Date: Sat, 27 Aug 2016 19:17:36 +0000 From: bugzilla-noreply@freebsd.org To: freebsd-fs@FreeBSD.org Subject: [Bug 212168] [panic] [UFS] use-after-free panic (0xdeadc0dedeadc0de) Message-ID: <bug-212168-3630-vTvtwHQqHv@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-212168-3630@https.bugs.freebsd.org/bugzilla/> References: <bug-212168-3630@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D212168 Peter Wemm <peter@FreeBSD.org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |peter@FreeBSD.org --- Comment #4 from Peter Wemm <peter@FreeBSD.org> --- >From an earlier console log that Glen has been capturing: Stopped at softdep_disk_io_initiation+0x50: ldr x21, [x8, #= 664] db> set $lines 0 db> bt Tracing pid 44795 tid 101060 td 0xfffffd0027a859c0 db_trace_self() at db_stack_trace+0xf0 db_stack_trace() at db_command+0x254 db_command() at db_command_loop+0x60 db_command_loop() at db_trap+0xf0 db_trap() at kdb_trap+0x180 kdb_trap() at data_abort+0x19c data_abort() at handle_el1h_sync+0x68 handle_el1h_sync() at ffs_geom_strategy+0x108 ffs_geom_strategy() at ffs_geom_strategy+0x108 ffs_geom_strategy() at bufwrite+0x210 bufwrite() at softdep_freefile+0x66c softdep_freefile() at ffs_vfree+0x28 ffs_vfree() at ufs_inactive+0x2a4 ufs_inactive() at VOP_INACTIVE_APV+0xcc VOP_INACTIVE_APV() at vinactive+0xb8 vinactive() at vputx+0x30c vputx() at vn_close+0xf0 vn_close() at vn_closefile+0x58 vn_closefile() at closef+0x1f8 closef() at fdescfree_fds+0x8c fdescfree_fds() at fdescfree+0x468 fdescfree() at exit1+0x48c exit1() at sys_sys_exit+0x10 sys_sys_exit() at do_el0_sync+0x4c0 do_el0_sync() at handle_el0_sync+0x64 handle_el0_sync() at 0x41b670 db> Every one of these I've seen has been in the exit->close->inactive->freefile->ffs_geom_strategy->softdep_disk_io_initiat= ion path, and always at that precise location. It's always a [0xdeadc0dedeadc0= de + offset] memory read. Unfortunately I can't see any ps output in the console for any of these. --=20 You are receiving this mail because: You are the assignee for the bug.=
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