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 ; Mon, 03 Aug 2026 09:44:53 +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 4hDBbn4KdFz46BG for ; Mon, 03 Aug 2026 09:44:53 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785750293; 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; bh=1R//tDzbWTMMl8LNZ1hcGNooGOw8lyuAIq/3HeKtPLc=; b=d89geJCO5sfn7whc27X1d+t+MpSaME29/rmK7eRPECOSrIb1//0tIqWnNFFDt+oQKfrp5i Wz8NR/O6eQ1R3IyvLFOVSLOiv3SlFcMspnywQt9xy9Qc/cw84hjvNBYNO61RbWR+e8doHp pDIljuERlnk9mgY2Iy+NpD+JMT7F53WnIGU2RMuMHUcv/AjPp4+vitAbcgMhokjs1ePNWq tD/PXHkZp0Jsdb05ZdRkOx1LB9Kkfl+uSaxHCjTiRx+9agPZ26ol8O1b8D0XBiMKlOSGNq 5Po80GSHY8ROst85A5LVGxclLyC1sQAAlGxYUkZD77f+h+OtYE2XQL3x+SWtcw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1785750293; a=rsa-sha256; cv=none; b=Ps5O0CS+8aa/F2Hw6XN6aBO8f0M+TBOoFOZl/W7DyP4jCIIF08HWv1e075N2B3iCvRfTB5 93EbgZVRw53ZFWTWVzGl08qEKp07Ou8Pp9+COcq3NnYveyWW/kUxEFalI/Ji1fyv7GzBpK Dqh7UXCM/jVyg3rBXoB4uN48yD/OtRg2fqFSZZON6KvUBdw67xHdZa6g/n7x9dRZqWfrhF ilaXwKTFXtCk2Oi/TPrDxETRWsxZ4+9oBWq4GMIrTGC6JbB2M2rciEB2FOLyLKmSmXdw7o 86W/x+A8FZ+4PfQCzb5EZCg1cibTRIRpdw+N8PUj9DCh17Mn0z/3d27wUQ0udQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1785750293; 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; bh=1R//tDzbWTMMl8LNZ1hcGNooGOw8lyuAIq/3HeKtPLc=; b=HikFb8jUQNyFVx7FRDJWP2uYGRZjX0uayf7Ypmn/4f7/kfInB/yvMl9TN5u6IeKNjHcqw7 e/pNqV4BH1vKTrdInqq07B5YJiTIeM8RkgJHB1iEPNTZjQMeHvKsD8XnfMFdx1klRtyi9r Vwv04hT+pJGPBFTyYhPai7qP8nfJYyUhDFoFoY3z6eStV1l6TQPnC69NF3X8rpeFF5yy7X RrO7GYKkR9oefBndFmKOEv/51FiME2EYE9bqNBvnu97ojIcWazlWfgsD54xm5Fd23Yoxgw DTohpuV6mMs/X1wS024ojY04Gd2IdkSnhOcso7BCtJIBgu86Hu7fZqie9nIpZA== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (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 did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4hDBbn2gQ9ztmj for ; 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.=