Ceph » rgw

We get the following crash randomly:

 ceph version 0.56.3-25-g6483275 (6483275c5678db10d055371227be795cdc63db38)
 1: /usr/bin/radosgw() [0x481dda]
 2: (()+0xfcb0) [0x7fef04c6fcb0]
 3: (gsignal()+0x35) [0x7fef031a6425]
 4: (abort()+0x17b) [0x7fef031a9b8b]
 5: (()+0x7439e) [0x7fef031e439e]
 6: (__fortify_fail()+0x37) [0x7fef0327a807]
 7: (()+0x10a77d) [0x7fef0327a77d]
 8: (__longjmp_chk()+0x33) [0x7fef0327a6e3]
 9: (()+0xca45) [0x7fef050b3a45]
 10: (()+0xfcb0) [0x7fef04c6fcb0]
 11: (accept()+0x2d) [0x7fef04c6f04d]
 12: (OS_Accept()+0x158) [0x7fef03f642c8]
 13: (FCGX_Accept_r()+0x9e) [0x7fef03f6223e]
 14: (RGWProcess::run()+0x11c) [0x47c37c]
 15: (main()+0xa5a) [0x45229a]
 16: (__libc_start_main()+0xed) [0x7fef0319176d]
 17: /usr/bin/radosgw() [0x453961]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

(gdb) bt
#0  0x00007fef04c6fb7b in raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/pt-raise.c:42
#1  0x0000000000481f2e in reraise_fatal (signum=6) at global/signal_handler.cc:58
#2  handle_fatal_signal (signum=6) at global/signal_handler.cc:104
#3  <signal handler called>
#4  0x00007fef031a6425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#5  0x00007fef031a9b8b in __GI_abort () at abort.c:91
#6  0x00007fef031e439e in __libc_message (do_abort=2, fmt=0x7fef032ebe3f "*** %s ***: %s terminated\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
#7  0x00007fef0327a807 in __GI___fortify_fail (msg=0x7fef032ebdfe "longjmp causes uninitialized stack frame") at fortify_fail.c:32
#8  0x00007fef0327a77d in ____longjmp_chk () at ../sysdeps/unix/sysv/linux/x86_64/____longjmp_chk.S:90
#9  0x00007fef0327a6e3 in __longjmp_chk (env=0x7fef052fea00, val=<optimized out>) at ../setjmp/longjmp.c:40
#10 0x00007fef050b3a45 in ?? () from /usr/lib/x86_64-linux-gnu/libcurl-gnutls.so.4
#11 <signal handler called>
#12 0x00007fef04c6f04d in accept () at ../sysdeps/unix/syscall-template.S:82
#13 0x00007fef03f642c8 in OS_Accept () from /usr/lib/libfcgi.so.0
#14 0x00007fef03f6223e in FCGX_Accept_r () from /usr/lib/libfcgi.so.0
#15 0x000000000047c37c in RGWProcess::run (this=0x121fae0) at rgw/rgw_main.cc:236
#16 0x000000000045229a in main (argc=<optimized out>, argv=<optimized out>) at rgw/rgw_main.cc:492