Date: Thu, 20 Feb 2020 18:53:50 +0000 From: bugzilla-noreply@freebsd.org To: testing@freebsd.org Subject: [Bug 244250] sys.file.flock_test.main panics kernel after [r358153, r358170] Message-ID: <bug-244250-32464@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D244250 Bug ID: 244250 Summary: sys.file.flock_test.main panics kernel after [r358153, r358170] Product: Base System Version: CURRENT Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: tests Assignee: testing@freebsd.org Reporter: lwhsu@FreeBSD.org https://ci.freebsd.org/job/FreeBSD-head-amd64-test/14399/console sys/file/flock_test:main -> Kernel page fault with the following non-sleepable locks held: exclusive sleep mutex sigacts (sigacts) r =3D 0 (0xfffff80004e99ca8) locked= @ /usr/src/sys/kern/subr_trap.c:330 exclusive sleep mutex process lock (process lock) r =3D 0 (0xfffff8000491eb= 80) locked @ /usr/src/sys/kern/subr_trap.c:329 stack backtrace: #0 0xffffffff80c345a1 at witness_debugger+0x71 #1 0xffffffff80c355c0 at witness_warn+0x430 #2 0xffffffff8106cf70 at trap_pfault+0x80 #3 0xffffffff8106c587 at trap+0x2a7 #4 0xffffffff8104288c at calltrap+0x8 #5 0xffffffff80bd0bcb at sigfastblock_setpend+0x4b #6 0xffffffff80c29ca9 at ast+0x339 #7 0xffffffff81045da9 at doreti_ast+0x1f Fatal trap 12: page fault while in kernel mode cpuid =3D 0; apic id =3D 00 fault virtual address =3D 0x80069b038 fault code =3D supervisor write data, protection violation instruction pointer =3D 0x20:0xffffffff8106a06d stack pointer =3D 0x28:0xfffffe003adfbb80 frame pointer =3D 0x28:0xfffffe003adfbb80 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 16434 (flock_helper) trap number =3D 12 panic: page fault cpuid =3D 0 time =3D 1582222637 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe003adfb= 7e0 vpanic() at vpanic+0x185/frame 0xfffffe003adfb840 panic() at panic+0x43/frame 0xfffffe003adfb8a0 trap_fatal() at trap_fatal+0x386/frame 0xfffffe003adfb900 trap_pfault() at trap_pfault+0x99/frame 0xfffffe003adfb980 trap() at trap+0x2a7/frame 0xfffffe003adfbab0 calltrap() at calltrap+0x8/frame 0xfffffe003adfbab0 --- trap 0xc, rip =3D 0xffffffff8106a06d, rsp =3D 0xfffffe003adfbb80, rbp = =3D 0xfffffe003adfbb80 --- casueword32_nosmap() at casueword32_nosmap+0x2d/frame 0xfffffe003adfbb80 sigfastblock_setpend() at sigfastblock_setpend+0x4b/frame 0xfffffe003adfbbb0 ast() at ast+0x339/frame 0xfffffe003adfbbf0 doreti_ast() at doreti_ast+0x1f/frame 0x7fffffffe900 KDB: enter: panic [ thread pid 16434 tid 100129 ] Stopped at kdb_enter+0x37: movq $0,0x10872f6(%rip) db:0:kdb.enter.panic> show pcpu cpuid =3D 0 dynamic pcpu =3D 0x787d80 curthread =3D 0xfffffe0032df7c00: pid 16434 tid 100129 critnest 1 "flock_helper" curpcb =3D 0xfffffe0032df8100 fpcurthread =3D 0xfffffe0032df7c00: pid 16434 "flock_helper" idlethread =3D 0xfffffe000a1f6300: tid 100003 "idle: cpu0" self =3D 0xffffffff82210000 curpmap =3D 0xfffffe0032dfab08 tssp =3D 0xffffffff82210384 rsp0 =3D 0xfffffe003adfbcc0 kcr3 =3D 0x8000000073a9e6f9 ucr3 =3D 0x8000000073ac8ef9 scr3 =3D 0x73ac8ef9 gs32p =3D 0xffffffff82210404 ldt =3D 0xffffffff82210444 tss =3D 0xffffffff82210434 tlb gen =3D 104535 curvnet =3D 0 spin locks held: db:0:kdb.enter.panic> --=20 You are receiving this mail because: You are the assignee for the bug.=
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