[Bug 236452] [ext2fs] panic: mutex EXT2FS not owned at ../../../kern/kern_mutex.c:281, vmcore.23

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Mar 10 13:59:42 UTC 2019


            Bug ID: 236452
           Summary: [ext2fs] panic: mutex EXT2FS not owned at
                    ../../../kern/kern_mutex.c:281, vmcore.23
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Keywords: panic, stress2
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: pho at FreeBSD.org
                CC: fsu at FreeBSD.org

20190306 15:27:47 all (309/617): crossmp10.sh
panic: mutex EXT2FS not owned at ../../../kern/kern_mutex.c:281
cpuid = 9
time = 1551882471
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe00bfb3f480
vpanic() at vpanic+0x1b4/frame 0xfffffe00bfb3f4e0
panic() at panic+0x43/frame 0xfffffe00bfb3f540
__mtx_unlock_flags() at __mtx_unlock_flags+0x13a/frame 0xfffffe00bfb3f570
ext2_valloc() at ext2_valloc+0x530/frame 0xfffffe00bfb3f620
ext2_makeinode() at ext2_makeinode+0x56/frame 0xfffffe00bfb3f680
ext2_create() at ext2_create+0x2d/frame 0xfffffe00bfb3f6a0
VOP_CREATE_APV() at VOP_CREATE_APV+0x86/frame 0xfffffe00bfb3f6d0
vn_open_cred() at vn_open_cred+0x2c3/frame 0xfffffe00bfb3f820
kern_openat() at kern_openat+0x1fd/frame 0xfffffe00bfb3f990
amd64_syscall() at amd64_syscall+0x291/frame 0xfffffe00bfb3fab0
fast_syscall_common() at fast_syscall_common+0x101/frame 0xfffffe00bfb3fab0

Details @ https://people.freebsd.org/~pho/stress/log/crossmp10-2.txt
Seems to be introduced by r344752.

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