[Bugs] [Bug 1745965] glusterd fails to start dumping core via SIGABRT

bugzilla at redhat.com bugzilla at redhat.com
Tue Aug 27 10:51:37 UTC 2019


--- Comment #1 from Anoop C S <anoopcs at redhat.com> ---
$ sudo gdb /usr/sbin/glusterd core.12898 
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Reading symbols from /usr/sbin/glusterfsd...Reading symbols from

warning: core file may not match specified executable file.
[New LWP 12898]
[New LWP 12899]
[New LWP 12900]
[New LWP 12901]
[New LWP 12902]
[New LWP 12903]
[New LWP 12904]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `glusterd --debug'.
Program terminated with signal 6, Aborted.
#0  0x00007fbd7ad852c7 in __GI_raise (sig=sig at entry=6) at
55        return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
(gdb) bt
#0  0x00007fbd7ad852c7 in __GI_raise (sig=sig at entry=6) at
#1  0x00007fbd7ad869b8 in __GI_abort () at abort.c:90
#2  0x00007fbd7adc7e17 in __libc_message (do_abort=do_abort at entry=2,
fmt=fmt at entry=0x7fbd7aed8492 "*** %s ***: %s terminated\n") at
#3  0x00007fbd7ae66b67 in __GI___fortify_fail (msg=msg at entry=0x7fbd7aed8438
"buffer overflow detected") at fortify_fail.c:30
#4  0x00007fbd7ae64ce2 in __GI___chk_fail () at chk_fail.c:28
#5  0x00007fbd7ae643fb in ___vsnprintf_chk (s=<optimized out>,
maxlen=<optimized out>, flags=<optimized out>, slen=<optimized out>,
format=<optimized out>, args=args at entry=0x7ffefca6cdf8)
    at vsnprintf_chk.c:37
#6  0x00007fbd7ae64318 in ___snprintf_chk (s=s at entry=0x7ffefca6d130 "",
maxlen=maxlen at entry=4096, flags=flags at entry=1, slen=slen at entry=3776,
format=format at entry=0x7fbd709a8eab "%s")
    at snprintf_chk.c:35
#7  0x00007fbd70866029 in snprintf (__fmt=0x7fbd709a8eab "%s", __n=4096,
__s=0x7ffefca6d130 "") at /usr/include/bits/stdio2.h:64
#8  init (this=0x557ef9f3b510) at glusterd.c:1450
#9  0x00007fbd7c740ed1 in __xlator_init (xl=0x557ef9f3b510) at xlator.c:597
#10 xlator_init (xl=xl at entry=0x557ef9f3b510) at xlator.c:623
#11 0x00007fbd7c77dbd9 in glusterfs_graph_init
(graph=graph at entry=0x557ef9f37140) at graph.c:422
#12 0x00007fbd7c77e245 in glusterfs_graph_activate
(graph=graph at entry=0x557ef9f37140, ctx=ctx at entry=0x557ef9ef2010) at graph.c:776
#13 0x0000557ef8287182 in glusterfs_process_volfp
(ctx=ctx at entry=0x557ef9ef2010, fp=fp at entry=0x557ef9f36bb0) at glusterfsd.c:2728
#14 0x0000557ef828733d in glusterfs_volumes_init (ctx=ctx at entry=0x557ef9ef2010)
at glusterfsd.c:2800
#15 0x0000557ef8282a3a in main (argc=2, argv=<optimized out>) at
(gdb) f 8
#8  init (this=0x557ef9f3b510) at glusterd.c:1450
1450            len = snprintf(logdir, PATH_MAX, "%s",
(gdb) l 1396
1391            0,
1392        };
1393        char rundir[PATH_MAX] = {
1394            0,
1395        };
1396        char logdir[VALID_GLUSTERD_PATHMAX] = {
1397            0,
1398        };
1399        char cmd_log_filename[PATH_MAX] = {
1400            0,
(gdb) f 3
#3  0x00007fbd7ae66b67 in __GI___fortify_fail (msg=msg at entry=0x7fbd7aed8438
"buffer overflow detected") at fortify_fail.c:30
30          __libc_message (2, "*** %s ***: %s terminated\n",

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