[Bugs] [Bug 1315465] New: glusterfs brick process crashed

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1315465

            Bug ID: 1315465
           Summary: glusterfs brick process crashed
           Product: GlusterFS
           Version: mainline
         Component: bitrot
          Assignee: bugs at gluster.org
          Reporter: rabhat at redhat.com
                CC: bugs at gluster.org
      Docs Contact: bugs at gluster.org



Description of problem:

While running regression tests glusterfsd process crashed due to a bit-rot bug.

This is the backtrace of the core generated.

#0  0x00007f8d79409829 in br_stub_cleanup_local (local=0x0) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/stub/bit-rot-stub.c:411
411   
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/stub/bit-rot-stub.c:
No such file or directory.
[Current thread is 1 (LWP 3513)]
(gdb) bt
#0  0x00007f8d79409829 in br_stub_cleanup_local (local=0x0) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/stub/bit-rot-stub.c:411
#1  0x00007f8d79414751 in br_stub_unlink_cbk (frame=0x7f8d4004403c,
cookie=0x7f8d400466bc, this=0x7f8d74011500, op_ret=-1, op_errno=2,
preparent=0x7f8d703fb2e0, postparent=0x7f8d703fb270, xdata=0x0)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/stub/bit-rot-stub.c:2901
#2  0x00007f8d7961f05c in changelog_unlink_cbk (frame=0x7f8d400466bc,
cookie=0x7f8d4000f89c, this=0x7f8d7400f8d0, op_ret=-1, op_errno=2,
preparent=0x7f8d703fb2e0, postparent=0x7f8d703fb270, xdata=0x0)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/changelog/src/changelog.c:190
#3  0x00007f8d79ceb8aa in ctr_unlink_cbk (frame=0x7f8d4000f89c,
cookie=0x7f8d4001fbdc, this=0x7f8d7400bc30, op_ret=-1, op_errno=2,
preparent=0x7f8d703fb2e0, postparent=0x7f8d703fb270, xdata=0x0)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/changetimerecorder/src/changetimerecorder.c:1051
#4  0x00007f8d79f07544 in trash_common_unwind_cbk (frame=0x7f8d4001fbdc,
cookie=0x7f8d4002471c, this=0x7f8d7400a220, op_ret=-1, op_errno=2,
preparent=0x7f8d703fb2e0, postparent=0x7f8d703fb270, xdata=0x0)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/trash/src/trash.c:565
#5  0x00007f8d7a737650 in posix_unlink (frame=0x7f8d4002471c,
this=0x7f8d74007a80, loc=0x7f8d740bbecc, xflag=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/storage/posix/src/posix.c:1915
#6  0x00007f8d79f0a489 in trash_unlink (frame=0x7f8d4001fbdc,
this=0x7f8d7400a220, loc=0x7f8d740bbecc, xflags=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/trash/src/trash.c:1004
#7  0x00007f8d79cec179 in ctr_unlink (frame=0x7f8d4000f89c,
this=0x7f8d7400bc30, loc=0x7f8d740bbecc, xflag=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/changetimerecorder/src/changetimerecorder.c:1140
#8  0x00007f8d7961fd1c in changelog_unlink (frame=0x7f8d400466bc,
this=0x7f8d7400f8d0, loc=0x7f8d740bbecc, xflags=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/changelog/src/changelog.c:319
#9  0x00007f8d79414a72 in br_stub_unlink (frame=0x7f8d4004403c,
this=0x7f8d74011500, loc=0x7f8d740bbecc, flag=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/bit-rot/src/stub/bit-rot-stub.c:2930
#10 0x00007f8d791f9d3f in posix_acl_unlink (frame=0x7f8d400343ac,
this=0x7f8d74012ad0, loc=0x7f8d740bbecc, xflag=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/system/posix-acl/src/posix-acl.c:1403
#11 0x00007f8d8746d114 in default_unlink (frame=0x7f8d400343ac,
this=0x7f8d74014050, loc=0x7f8d740bbecc, flags=0, xdata=0x7f8d7408b28c) at
defaults.c:2665
#12 0x00007f8d78dc4eab in up_unlink (frame=0x7f8d400428fc, this=0x7f8d74015460,
loc=0x7f8d740bbecc, xflag=0, xdata=0x7f8d7408b28c)
    at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/features/upcall/src/upcall.c:481
#13 0x00007f8d87469ef7 in default_unlink_resume (frame=0x7f8d7409bc2c,
this=0x7f8d74016a50, loc=0x7f8d740bbecc, flags=0, xdata=0x7f8d7408b28c) at
defaults.c:1958
#14 0x00007f8d873f6c4c in call_resume_wind (stub=0x7f8d740bbe7c) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/call-stub.c:2131
#15 0x00007f8d873ffa1a in call_resume (stub=0x7f8d740bbe7c) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/libglusterfs/src/call-stub.c:2628
#16 0x00007f8d78bb9727 in iot_worker (data=0x7f8d74044ec0) at
/home/jenkins/root/workspace/rackspace-regression-2GB-triggered/xlators/performance/io-threads/src/io-threads.c:210
#17 0x00007f8d866b8aa1 in start_thread () from ./lib64/libpthread.so.0
#18 0x00007f8d8602193d in clone () from ./lib64/libc.so.6


In br_stub_unlink_cbk, if the unlink operation failed (i.e. op_ret = -1), then
it was unwinding directly without getting frame->local value.

After unwinding it tries to cleanup the NULL local and crashes.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

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