From nobody Thu Jul 27 11:18:37 2023 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 4RBSv20xdhz4ppcK for ; Thu, 27 Jul 2023 11:18:38 +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 "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4RBSv174Ggz4ksk for ; Thu, 27 Jul 2023 11:18:37 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1690456718; 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=+hz1d/1HqbLznyNUKIGTuDeW5G8xiHpWroZyICXFfqQ=; b=HS48hHxpgJs7f1PdqFEfThzRfyq45DeIRJYOhWsAKsid6QiAOslo3oCaPSerx0a1TrbHR3 PbZFlYoFgArYmlboI/2W0zc9/gPHbvsDCnYm9fRDhbsDuZAU1D4AWFh/0IF56/siLPVpSZ cH5G+PXvFcZssHzcohsv40zdLvo8k0iCZoVu/Q8TcK3T9ISPBqSb3sfehBK9qcN67j7XaF W5OZ1JWWLhCpTuAo3077bN+P5aIOQ3VdV/oL3eFrGtIYlnE1V2/k5cSextWICia4NRSU+I O80kP0zX9LHvgB689QF9WYVQ13auEu6B7FKXHuowVhuK7lkfJN2LCvHHqsMKKg== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1690456718; a=rsa-sha256; cv=none; b=Al+uvkpI8jattqWwtDSMNXO25ThXvh3tiX21MqHW/4rh1GMotOi+Id/TIS0MUsGnq+zInb BqdqSslshwkDqzBSVB3rlhkIizdVGMhiR0jETi935O2ToxopUtb6tJ3H8gIpf6Ywo+fS5m Npml/bo0WqNkQP5tklLHZcbB3ml5iuIVBSvfSECI5hQnOI7K8DYnedqwl5oM+voVVEjlcs d8tJk8w1Gz8o16s0+pqXt1EahAXIYFdCOqNWwYnLFGwUoKu7aplLgH969ApsrPKkJBKUUH lqfJOj6PTw7tNltVf5MGtk719CPZEsyt+BDvj0ddk/wvYcYZW5xRD3CGow4O+Q== 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 4RBSv169gYz1MDq for ; Thu, 27 Jul 2023 11:18:37 +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 36RBIbcA004908 for ; Thu, 27 Jul 2023 11:18:37 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 36RBIbiA004907 for fs@FreeBSD.org; Thu, 27 Jul 2023 11:18:37 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 252700] page fault in zfsctl_snapdir_lookup Date: Thu, 27 Jul 2023 11:18:37 +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: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Many People X-Bugzilla-Who: dgeo@centrale-marseille.fr X-Bugzilla-Status: Open 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-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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 MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D252700 geoffroy desvernay changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |dgeo@centrale-marseille.fr --- Comment #14 from geoffroy desvernay --- I do experience pseudo random crashes with find(8), may this be related ? Unread portion of the kernel message buffer: panic: page fault cpuid =3D 4 time =3D 1690247328 KDB: stack backtrace: #0 0xffffffff80c53d95 at kdb_backtrace+0x65 #1 0xffffffff80c06711 at vpanic+0x151 #2 0xffffffff80c065b3 at panic+0x43 #3 0xffffffff810b1fa7 at trap_fatal+0x387 #4 0xffffffff810b1fff at trap_pfault+0x4f #5 0xffffffff81088e48 at calltrap+0x8 #6 0xffffffff80ce4d96 at vgonel+0x186 #7 0xffffffff80ce5451 at vgone+0x31 #8 0xffffffff80cd3df9 at vfs_hash_insert+0x279 #9 0xffffffff82176e59 at sfs_vgetx+0x149 #10 0xffffffff82177a44 at zfsctl_snapdir_lookup+0x1e4 #11 0xffffffff80cd60ac at lookup+0x45c #12 0xffffffff80cd52cd at namei+0x24d #13 0xffffffff80cf2c16 at kern_statat+0xf6 #14 0xffffffff80cf331f at sys_fstatat+0x2f #15 0xffffffff810b289c at amd64_syscall+0x10c #16 0xffffffff8108975b at fast_syscall_common+0xf8 Uptime: 18h19m29s __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 55 __asm("movq %%gs:%P1,%0" : "=3Dr" (td) : "n" (offsetof(stru= ct pcpu, (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:55 #1 doadump (textdump=3D) at /usr/src/sys/kern/kern_shutdown= .c:396 #2 0xffffffff80c062da in kern_reboot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:484 #3 0xffffffff80c0677e in vpanic (fmt=3D, ap=3Dap@entry=3D0xfffffe01a84643d0) at /usr/src/sys/kern/kern_shutdown.c:923 #4 0xffffffff80c065b3 in panic (fmt=3D) at /usr/src/sys/kern/kern_shutdown.c:847 #5 0xffffffff810b1fa7 in trap_fatal (frame=3D0xfffffe01a84644c0, eva=3D0) = at /usr/src/sys/amd64/amd64/trap.c:942 #6 0xffffffff810b1fff in trap_pfault (frame=3D0xfffffe01a84644c0, usermode=3Dfalse, signo=3D,=20 ucode=3D) at /usr/src/sys/amd64/amd64/trap.c:761 #7 #8 0x0000000000000000 in ?? () #9 0xffffffff811813fc in VOP_CLOSE_APV (vop=3D0xffffffff8242aad0 , a=3Da@entry=3D0xfffffe01a84645b0) at vnode_if.c:498 #10 0xffffffff80ce4d96 in VOP_CLOSE (vp=3D0xfffff805ce07c3d0, fflag=3D4, cr= ed=3D0x0, td=3D0xfffffe01a3ecaac0) at ./vnode_if.h:249 #11 vgonel (vp=3Dvp@entry=3D0xfffff805ce07c3d0) at /usr/src/sys/kern/vfs_subr.c:4092 #12 0xffffffff80ce5451 in vgone (vp=3Dvp@entry=3D0xfffff805ce07c3d0) at /usr/src/sys/kern/vfs_subr.c:3967 #13 0xffffffff80cd3df9 in vfs_hash_insert (vp=3D0xfffff805ce07c3d0, hash=3D= 7373, hash@entry=3D2823179312,=20 flags=3Dflags@entry=3D2097152, td=3Dtd@entry=3D0xfffffe01a3ecaac0, vpp=3Dvpp@entry=3D0xfffffe01a8464c30, fn=3D,=20 arg=3D0xfffff808188efd80) at /usr/src/sys/kern/vfs_hash.c:181 #14 0xffffffff82176e59 in sfs_vnode_insert (vp=3D0xfffffe01a84645b0, flags=3D2097152, id=3D,=20 parent_id=3D, vpp=3D) at /usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c:152 #15 sfs_vgetx (mp=3D0xfffffe01637fab00, flags=3Dflags@entry=3D2097152, parent_id=3Dparent_id@entry=3D2, id=3D,=20 tag=3D, vops=3D0xffffffff8242aad0 ,= =20 setup=3D0xffffffff82178180 , arg=3D0xfffffe01a8464820, vpp=3D0xfffffe01a8464c30) at /usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c:200 #16 0xffffffff82177a44 in zfsctl_snapdir_lookup (ap=3D) at /usr/src/sys/contrib/openzfs/module/os/freebsd/zfs/zfs_ctldir.c:954 #17 0xffffffff80cd60ac in VOP_LOOKUP (dvp=3D0xfffff805e17b67a0, vpp=3D0xfffffe01a8464c30, cnp=3D0xfffffe01a8464c58) at ./vnode_if.h:65 #18 lookup (ndp=3Dndp@entry=3D0xfffffe01a8464bd8) at /usr/src/sys/kern/vfs_lookup.c:1086 #19 0xffffffff80cd52cd in namei (ndp=3Dndp@entry=3D0xfffffe01a8464bd8) at /usr/src/sys/kern/vfs_lookup.c:616 #20 0xffffffff80cf2c16 in kern_statat (td=3D0xfffffe01a3ecaac0, flag=3D, fd=3D-100, path=3D0x0,=20 pathseg=3D(unknown: 0xa3ecafd0), pathseg@entry=3DUIO_USERSPACE, sbp=3D0xfffffe01a8465000, sbp@entry=3D0xfffffe01a8464d18,=20 hook=3D0x0) at /usr/src/sys/kern/vfs_syscalls.c:2438 #21 0xffffffff80cf331f in sys_fstatat (td=3D0xfffffe01a84645b0, uap=3D0xfffffe01a3ecaea8) at /usr/src/sys/kern/vfs_syscalls.c:2415 #22 0xffffffff810b289c in syscallenter (td=3D0xfffffe01a3ecaac0) at /usr/src/sys/amd64/amd64/../../kern/subr_syscall.c:190 #23 amd64_syscall (td=3D0xfffffe01a3ecaac0, traced=3D0) at /usr/src/sys/amd64/amd64/trap.c:1183 #24 #25 0x0000107a36849cba in ?? () Backtrace stopped: Cannot access memory at address 0x107a342835e8 --=20 You are receiving this mail because: You are the assignee for the bug.=