From nobody Mon Aug 3 00:26:05 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hCyC20X1Pz6mjP8 for ; Mon, 03 Aug 2026 00:26:06 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hCyC15Sgbz4PrS for ; Mon, 03 Aug 2026 00:26:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785716765; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; 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Mon, 3 Aug 2026 00:26:05 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297062] geom_zero: panics on read Date: Mon, 03 Aug 2026 00:26:05 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.1-STABLE X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297062 --- Comment #6 from commit-hook@FreeBSD.org --- A commit in branch stable/15 references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D0aa72376d73bef2612f308a6de8b33e95= 84894de commit 0aa72376d73bef2612f308a6de8b33e9584894de Author: Konstantin Belousov AuthorDate: 2026-07-26 21:45:07 +0000 Commit: Konstantin Belousov CommitDate: 2026-08-03 00:23:17 +0000 geom_zero(4): reset the uio vector on each uiomove() PR: 297062 (cherry picked from commit 34ca5a9e7362b0c820fe339daa2b8d06c58b6fea) sys/geom/zero/g_zero.c | 11 ++++++----- 1 file changed, 6 insertions(+), 5 deletions(-) --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 09:44:53 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDBbn4tLCz6n02g for ; 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Mon, 03 Aug 2026 09:44:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 6739ird5070246 for ; Mon, 3 Aug 2026 09:44:53 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 6739irL0070245 for fs@FreeBSD.org; Mon, 3 Aug 2026 09:44:53 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 09:44:53 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #2 from Hans Rosenfeld --- I disabled nfscbd and rebooted, then tried again. The results look a bit similar to bug #296224: Memory modified after free 0xfffff80b37ec8180 (384, malloc-384, 0xffffffff81aaef30) + 72 =3D deadc0dedeadc0dd panic: Memory modified after free 0xfffff80b37ec8180 (384, malloc-384, NFSCL deleg) + 72 =3D deadc0dedeadc0dd cpuid =3D 2 time =3D 1785750276 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x36/frame 0xfffffe01f7668= f90 vpanic() at vpanic+0x149/frame 0xfffffe01f76690c0 panic() at panic+0x43/frame 0xfffffe01f7669120 mtrash_ctor() at mtrash_ctor+0x147/frame 0xfffffe01f7669160 item_ctor() at item_ctor+0x12c/frame 0xfffffe01f76691b0 malloc() at malloc+0x8f/frame 0xfffffe01f7669200 nfsrpc_openrpc() at nfsrpc_openrpc+0x4db/frame 0xfffffe01f76694b0 nfsrpc_openrpc() at nfsrpc_openrpc+0x979/frame 0xfffffe01f76697c0 nfsrpc_open() at nfsrpc_open+0x29c/frame 0xfffffe01f76698d0 nfs_open() at nfs_open+0x75/frame 0xfffffe01f76699e0 vop_sigdefer() at vop_sigdefer+0x30/frame 0xfffffe01f7669a10 VOP_OPEN_APV() at VOP_OPEN_APV+0x52/frame 0xfffffe01f7669a40 vn_open_vnode() at vn_open_vnode+0x1ae/frame 0xfffffe01f7669ac0 vn_open_cred() at vn_open_cred+0x6e3/frame 0xfffffe01f7669c50 openatfp() at openatfp+0x2ed/frame 0xfffffe01f7669dc0 sys_openat() at sys_openat+0x3d/frame 0xfffffe01f7669df0 amd64_syscall() at amd64_syscall+0x17c/frame 0xfffffe01f7669f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe01f7669f30 --- syscall (499, FreeBSD ELF64, openat), rip =3D 0x1e268cc9a42a, rsp =3D 0x1e268006ea98, rbp =3D 0x1e268006ead0 --- --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 13:14:34 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDHFk1XyMz6nMrc for ; 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Mon, 03 Aug 2026 13:14:34 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673DEXOh000574 for ; Mon, 3 Aug 2026 13:14:33 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673DEXkM000573 for fs@FreeBSD.org; Mon, 3 Aug 2026 13:14:33 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 13:14:34 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #3 from Rick Macklem --- Hmm. This Illumos server appears to be broken. When there is no working callback path, the server is not supposed to issue delegations, but it appears to have done so. Does your kernel have commit 71ac1ec5c9? (It was committed to main on Apr. 30, 2026, so if your kernel is built from sources after that date, it does.) --> This patch was meant to ensure that NFSv4.0 servers did not issue delegations, by specifying a callback path address of 0.0.0.0. If you have this patch, then the NFSv4.0 server definitely will not be able to do callbacks. If the Illumos 4.0 (not 4.1 or 4.2) server is issuing delegations in this case, I can't think of a way to fix things. (Maybe Illumos has some "turn off delegations" switch for their server?) If you cannot figure out how to disable issuance of delegations for the Illumos server, you could try reverting 71ac1ec5c9 (or using a different server that supports NFSv4.1). --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 13:19:51 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDHMq6KYWz6nN78 for ; Mon, 03 Aug 2026 13:19:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDHMq5k5cz3jr6 for ; Mon, 03 Aug 2026 13:19:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Mon, 03 Aug 2026 13:19:51 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673DJpSD003337 for ; Mon, 3 Aug 2026 13:19:51 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673DJpsq003336 for fs@FreeBSD.org; Mon, 3 Aug 2026 13:19:51 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 13:19:51 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #4 from Rick Macklem --- Or drop back to NFSv3 mounts. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 13:41:49 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDHs96FHCz6nPyF for ; Mon, 03 Aug 2026 13:41:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDHs92SLjz3lry for ; 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Mon, 03 Aug 2026 13:41:49 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673DfnRJ042310 for ; Mon, 3 Aug 2026 13:41:49 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673DfnLC042309 for fs@FreeBSD.org; Mon, 3 Aug 2026 13:41:49 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 13:41:49 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #5 from Rick Macklem --- Oh, and if you choose to revert 71ac1ec5c9, re-enable nfscbd as well. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 14:36:08 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDK3s1DVkz6nVkn for ; Mon, 03 Aug 2026 14:36:09 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDK3s0My6z3xhV for ; 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Mon, 03 Aug 2026 14:36:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673Ea8mG032402 for ; Mon, 3 Aug 2026 14:36:08 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673Ea8w0032401 for fs@FreeBSD.org; Mon, 3 Aug 2026 14:36:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 14:36:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: linimon@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.mimetype Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 Mark Linimon changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #273400|application/x-troff-man |text/plain mime type| | --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 15:14:28 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDKw411KFz6mL90 for ; Mon, 03 Aug 2026 15:14:28 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDKw40Qs0z3Bms for ; 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Mon, 03 Aug 2026 15:14:27 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673FERVg094486 for ; Mon, 3 Aug 2026 15:14:27 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673FERY9094485 for fs@FreeBSD.org; Mon, 3 Aug 2026 15:14:27 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 15:14:28 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 Konstantin Belousov changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |kib@FreeBSD.org --- Comment #6 from Konstantin Belousov --- Regardless of the protocol violations or unsupported features, crashing the kernel, esp. with page fault or general protection fault, should not happen. Do I = miss something? --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 15:23:00 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDL5x2492z6mMFh for ; Mon, 03 Aug 2026 15:23:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDL5x0WGQz3GCS for ; Mon, 03 Aug 2026 15:23:01 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785770581; 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Mon, 03 Aug 2026 15:23:00 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673FN0QM008903 for ; Mon, 3 Aug 2026 15:23:00 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673FN0hi008902 for fs@FreeBSD.org; Mon, 3 Aug 2026 15:23:00 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 15:23:00 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #7 from Rick Macklem --- (In reply to Konstantin Belousov from comment #6) I will take a look someday, but the honest answer is that a broken server will always be able to find ways to break the client and not mounting that server is the only fix, although it would be nice if a server cannot crash the client system. (This case is an extremely rare "should never happen" one, where the client loses its lease and tries to recover the opens. It cannot recover the locks. This recovery isn't even covered in the RFCs, because there is no good solution. Maybe the code should have just forced a dismount for this case?) But I will look at it and try and figure out where the delegation gets free'd prematurely, but my "to do" list is pretty long these days. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 16:25:08 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDMTc6zmdz6mTwX for ; Mon, 03 Aug 2026 16:25:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDMTc6Bv9z3YfH for ; Mon, 03 Aug 2026 16:25:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Mon, 03 Aug 2026 16:25:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673GP8Ed006872 for ; Mon, 3 Aug 2026 16:25:08 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673GP8Wc006871 for fs@FreeBSD.org; Mon, 3 Aug 2026 16:25:08 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 16:25:08 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #8 from Hans Rosenfeld --- My FreeBSD test system has commit 71ac1ec5c9, I'll try reverting it to see whether this changes things. That being said, if you have more information on how exactly you believe the illumos NFS server to be broken, I'd be happy to help you file an illumos b= ug or file one for you myself. But since my expertise on NFS is quite limited = I'll need a pretty good explanation of the issue. :-) Regarding the FreeBSD panic I'm firmly with Konstantin Belousov here: FreeB= SD should not crash in the NFS client code regardless what any random broken N= FS server does or does not. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 16:59:43 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNFX0TFYz6mXhW for ; Mon, 03 Aug 2026 16:59:44 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDNFW6rwhz3fTt for ; 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Mon, 03 Aug 2026 16:59:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673Gxh3r053185 for ; Mon, 3 Aug 2026 16:59:43 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673GxhSA053184 for fs@FreeBSD.org; Mon, 3 Aug 2026 16:59:43 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 16:59:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #2 from Hans Rosenfeld --- Created attachment 273415 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D273415&action= =3Dedit crashinfo output It happened again and I was able to get a vmcore. Have attached crashinfo output, can provide a 3.5GB core file for debugging if necessary. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:02:29 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNJk2nNLz6mYD9 for ; Mon, 03 Aug 2026 17:02:30 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDNJj6rrqz3gDV for ; Mon, 03 Aug 2026 17:02:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; 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Mon, 03 Aug 2026 17:02:29 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673H2TnM066932 for ; Mon, 3 Aug 2026 17:02:29 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673H2TbF066931 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:02:29 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:02:29 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #3 from Konstantin Belousov --- (In reply to Hans Rosenfeld from comment #2) This crash has nothing to do with autofs. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:03:05 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNKP5bGcz6mYGC for ; Mon, 03 Aug 2026 17:03:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDNKP3v7Lz3gtV for ; 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Mon, 03 Aug 2026 17:03:05 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673H35cJ067216 for ; Mon, 3 Aug 2026 17:03:05 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673H35Ku067215 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:03:05 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 17:03:05 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #9 from Hans Rosenfeld --- With 71ac1ec5c9 reverted, it happened again with a different stack: Memory modified after free 0xfffff801066bf900 (384, malloc-384, 0xffffffff81aaefa0) + 72 =3D deadc0dedeadc0dd panic: Memory modified after free 0xfffff801066bf900 (384, malloc-384, NFSCL deleg) + 72 =3D deadc0dedeadc0dd cpuid =3D 5 time =3D 1785776804 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x36/frame 0xfffffe0197a33= f90 vpanic() at vpanic+0x149/frame 0xfffffe0197a340c0 panic() at panic+0x43/frame 0xfffffe0197a34120 mtrash_ctor() at mtrash_ctor+0x147/frame 0xfffffe0197a34160 item_ctor() at item_ctor+0x12c/frame 0xfffffe0197a341b0 malloc() at malloc+0x8f/frame 0xfffffe0197a34200 nfsrpc_openrpc() at nfsrpc_openrpc+0x4db/frame 0xfffffe0197a344b0 nfsrpc_openrpc() at nfsrpc_openrpc+0x979/frame 0xfffffe0197a347c0 nfsrpc_open() at nfsrpc_open+0x29c/frame 0xfffffe0197a348d0 nfs_open() at nfs_open+0x75/frame 0xfffffe0197a349e0 vop_sigdefer() at vop_sigdefer+0x30/frame 0xfffffe0197a34a10 VOP_OPEN_APV() at VOP_OPEN_APV+0x52/frame 0xfffffe0197a34a40 vn_open_vnode() at vn_open_vnode+0x1ae/frame 0xfffffe0197a34ac0 vn_open_cred() at vn_open_cred+0x6e3/frame 0xfffffe0197a34c50 openatfp() at openatfp+0x2ed/frame 0xfffffe0197a34dc0 sys_openat() at sys_openat+0x3d/frame 0xfffffe0197a34df0 amd64_syscall() at amd64_syscall+0x17c/frame 0xfffffe0197a34f30 fast_syscall_common() at fast_syscall_common+0xf8/frame 0xfffffe0197a34f30 --- syscall (499, FreeBSD ELF64, openat), rip =3D 0x61f6ac7f42a, rsp =3D 0x61f55c92c48, rbp =3D 0x61f55c92c80 --- --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:05:40 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNNN5ktQz6mYr1 for ; 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Mon, 03 Aug 2026 17:05:40 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673H5el8068570 for ; Mon, 3 Aug 2026 17:05:40 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673H5eu3068569 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:05:40 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:05:40 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #4 from Hans Rosenfeld --- Created attachment 273416 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D273416&action= =3Dedit crashinfo output Uploaded the wrong file. Sorry, I've added the correct one now. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:14:43 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNZq3dGbz6mZX5 for ; Mon, 03 Aug 2026 17:14:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDNZq2z3Fz3k1f for ; Mon, 03 Aug 2026 17:14:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; 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Mon, 03 Aug 2026 17:14:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673HEhBA082123 for ; Mon, 3 Aug 2026 17:14:43 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673HEhLV082120 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:14:43 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:14:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #5 from Konstantin Belousov --- Load the core file into kgdb, then please do the following: frame 7 p *anp list The line numbers in your core dump do not match the kernel sources. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:23:45 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDNnF5V4gz6mZwD for ; Mon, 03 Aug 2026 17:23:45 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDNnF4GcMz3lCw for ; 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Mon, 03 Aug 2026 17:23:45 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673HNjSR094372 for ; Mon, 3 Aug 2026 17:23:45 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673HNjIE094371 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:23:45 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:23:45 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #6 from Hans Rosenfeld --- (kgdb) frame 7=20=20=20=20=20 #7 0xffffffff839f4d46 in autofs_trigger_one (anp=3D0xfffff8019022b000,=20 component=3D0xfffff80a7c390c06 "woodstoc/.screen/7085.pts-1.tequila", componentlen=3D) at /usr/src/sys/fs/autofs/autofs.c:399 399 for (firstanp =3D anp; firstanp->an_parent->an_pare= nt !=3D NULL; (kgdb) p *anp $1 =3D {an_link =3D {rbe_link =3D {0xdeadc0dedeadc0de, 0xdeadc0dedeadc0de, 0xdeadc0dedeadc0de}},=20 an_name =3D 0xdeadc0dedeadc0de , an_fileno =3D -559038242,=20 an_parent =3D 0xdeadc0dedeadc0de, an_children =3D {rbh_root =3D 0xdeadc0dedeadc0de}, an_mount =3D 0xdeadc0dedeadc0de,=20 an_vnode =3D 0xdeadc0dedeadc0de, an_vnode_lock =3D {lock_object =3D { lo_name =3D 0xdeadc0dedeadc0de , lo_flags =3D 3735929054,=20 lo_data =3D 3735929054, lo_witness =3D 0xdeadc0dedeadc0de}, sx_lock = =3D 16045693110842147038}, an_cached =3D 222,=20 an_wildcards =3D 192, an_callout =3D {c_links =3D {le =3D {le_next =3D 0xdeadc0dedeadc0de, le_prev =3D 0xdeadc0dedeadc0de}, sle =3D { sle_next =3D 0xdeadc0dedeadc0de}, tqe =3D {tqe_next =3D 0xdeadc0ded= eadc0de, tqe_prev =3D 0xdeadc0dedeadc0de}},=20 c_time =3D -2401050962867404578, c_precision =3D -2401050962867404578, = c_arg =3D 0xdeadc0dedeadc0de, c_func =3D 0xdeadc0dedeadc0de,=20 c_lock =3D 0xdeadc0dedeadc0de, c_flags =3D -16162, c_iflags =3D -8531, = c_cpu =3D -559038242}, an_retries =3D -559038242, an_ctime =3D { tv_sec =3D -2401050962867404578, tv_nsec =3D -2401050962867404578}} (kgdb) list 394 sx_assert(&autofs_softc->sc_lock, SA_XLOCKED); 395 396 if (anp->an_parent =3D=3D NULL) { 397 key =3D strndup(component, componentlen, M_AUTOFS); 398 } else { 399 for (firstanp =3D anp; firstanp->an_parent->an_pare= nt !=3D NULL; 400 firstanp =3D firstanp->an_parent) 401 continue; 402 key =3D strdup(firstanp->an_name, M_AUTOFS); 403 } --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:49:07 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDPLW5KpLz6mdf6 for ; Mon, 03 Aug 2026 17:49:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDPLW4nkxz3rRR for ; 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Mon, 03 Aug 2026 17:49:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673Hn79P028374 for ; Mon, 3 Aug 2026 17:49:07 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673Hn7C8028373 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:49:07 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:49:07 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #7 from Konstantin Belousov --- When this happens, did you tried something like restarting the automounter daemons, or manually unmounting autofs mounts? Anyway, try https://reviews.freebsd.org/D58626 --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 17:57:04 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDPWh6PgJz6mfZ5 for ; Mon, 03 Aug 2026 17:57:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDPWh5sTbz3sTR for ; Mon, 03 Aug 2026 17:57:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; 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Mon, 03 Aug 2026 17:57:04 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673Hv4t9041358 for ; Mon, 3 Aug 2026 17:57:04 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673Hv4rU041357 for fs@FreeBSD.org; Mon, 3 Aug 2026 17:57:04 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 17:57:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rosenfeld@grumpf.hope-2000.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #8 from Hans Rosenfeld --- When this happened I was rebooting the system with reboot(8) while logged i= n as user with $HOME on an automounted NFS share. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 18:08:52 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDPnK2W25z6mgLg for ; Mon, 03 Aug 2026 18:08:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDPnK1GH8z3vJm for ; 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Mon, 03 Aug 2026 18:08:52 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673I8qZQ058749 for ; Mon, 3 Aug 2026 18:08:52 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673I8qmT058748 for fs@FreeBSD.org; Mon, 3 Aug 2026 18:08:52 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 18:08:52 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #9 from Konstantin Belousov --- (In reply to Hans Rosenfeld from comment #8) Yeah, the automounter is being stopped by rc, but your session tried to acc= ess the home perhaps. This fits into what I theoretised there. Try the patch. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 18:52:18 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDQlQ5pz3z6mlwR for ; Mon, 03 Aug 2026 18:52:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDQlQ4bMXz45r6 for ; Mon, 03 Aug 2026 18:52:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785783138; 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Mon, 03 Aug 2026 18:52:18 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673IqIdl033277 for ; Mon, 3 Aug 2026 18:52:18 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673IqI4S033276 for fs@FreeBSD.org; Mon, 3 Aug 2026 18:52:18 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 294361] autofs: general protection fault while in kernel mode Date: Mon, 03 Aug 2026 18:52:18 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: rew@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D294361 --- Comment #10 from Robert Wing --- I was able to reproduce a panic with similar backtrace by triggering a look= up and performing a forced unmount before the lookup could finish. after applying kib's patch, the panic didn't occur it took a couple minutes for the long running autofs requests to timeout be= fore the unmount finished successfully - not unexpected since the default timeout for requests is 30 seconds --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 19:33:58 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDRgW3sbXz6mqvY for ; 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Mon, 03 Aug 2026 19:33:59 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673JXxX6098742 for ; Mon, 3 Aug 2026 19:33:59 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673JXxhq098741 for fs@FreeBSD.org; Mon, 3 Aug 2026 19:33:59 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 19:33:58 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: rmacklem@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 --- Comment #10 from Rick Macklem --- (In reply to Hans Rosenfeld from comment #8) > That being said, if you have more information on how exactly you believe = the > illumos NFS server to be broken, I'd be happy to help you file an illumos > bug or file one for you myself. But since my expertise on NFS is quite li= mited > I'll need a pretty good explanation of the issue. :-) It appears that the Illumos server is issuing delegations when the callback path is not established. This should never happen. (You can check to be sure by capturing packets for one of these mounts and looking at the Open replies in wireshark. If any of them have a delegation, the server is broken.) Now, having said the above, I don't see much point in your doing so. NFSv4.0 is deprecated (the Linux folk are discussing disabling it and may have already done so). For example, here's what Netapp says on their web site: BEST PRACTICE: NFSv4.1 or NFSv4.2 should be used instead of NFSv4.0. NFSv4.= 0 is an older version of the NFS protocol and is no longer actively developed by= the NFS community. (You can google "NFSv4.0 is deprecated" and get lots more like this.) > Regarding the FreeBSD panic I'm firmly with Konstantin Belousov here:=20 > FreeBSD should not crash in the NFS client code regardless what any random > broken NFS server does or does not. Don't bet on it. It there was an engineering team working on the FreeBSD NFS client, maybe. But, basically all you've got is one old retired guy who doesn't get paid any $$$ for doing NFS/FreeBSD work. (The code the first crash is in was written over 20years ago and this is the first time I've seen a report of a crash in it. I doubt I'll spot where the prematuure free() is, but I will take a look one of these days.) I'll also note that I think "Affects many people" is an exaggeration, given that I've never seen a crash report from anyone else. If you really want to track this down, you can comment out "free()" calls until the crashes go away and then bisect down to the "free()" that causes the crash, but that is going to be time consuming. --=20 You are receiving this mail because: You are the assignee for the bug.= From nobody Mon Aug 3 19:42:07 2026 X-Original-To: fs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4hDRrw5yHlz6ms79 for ; Mon, 03 Aug 2026 19:42:08 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR1" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hDRrw0X67z4Fng for ; 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Mon, 03 Aug 2026 19:42:07 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 673Jg74q010281 for ; Mon, 3 Aug 2026 19:42:07 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 673Jg7X4010279 for fs@FreeBSD.org; Mon, 3 Aug 2026 19:42:07 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: fs@FreeBSD.org Subject: [Bug 297233] nfs: panic: general protection fault Date: Mon, 03 Aug 2026 19:42:07 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: crash X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: markj@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: fs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Filesystems List-Archive: https://lists.freebsd.org/archives/freebsd-fs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-fs@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D297233 Mark Johnston changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |markj@FreeBSD.org --- Comment #11 from Mark Johnston --- A faster way to figure out where the use-after-free is happening would be to try reproducing the crash with a GENERIC-KASAN kernel. kasan(9) will trigg= er a panic when the use-after-free actually occurs, rather than when the affected object is recycled by the kernel memory allocator. --=20 You are receiving this mail because: You are the assignee for the bug.=