Attachment 3483 Details for Bug 3286 – gdb backtrace of sshd compiled with debugging info

gdb backtrace of sshd compiled with debugging info

gdb-backtrace.txt (text/plain), 3.17 KB, created by Dan Harnett on 2021-03-23 02:23:44 AEDT

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Creator: Dan Harnett

Created: 2021-03-23 02:23:44 AEDT

Size: 3.17 KB

patch

obsolete

>Using host libthread_db library "/usr/lib/libthread_db.so.1".
>Core was generated by `sshd: unknown [net]'.
>Program terminated with signal SIGSYS, Bad system call.
>#0  0x00007fb7ee8e28fb in socket () from /usr/lib/libc.so.6
>(gdb) bt
>#0  0x00007fb7ee8e28fb in socket () from /usr/lib/libc.so.6
>#1  0x00007fb7ee8db013 in openlog_internal () from /usr/lib/libc.so.6
>#2  0x00007fb7ee8db4f7 in __vsyslog_internal () from /usr/lib/libc.so.6
>#3  0x00007fb7ee8db803 in __syslog_chk () from /usr/lib/libc.so.6
>#4  0x000055d42c649d4c in syslog (__fmt=0x55d42c6922f0 "%.500s", __pri=2) at /usr/include/bits/syslog.h:31
>#5  do_log (args=0x7ffe1d1895e0, fmt=0x7ffe1d189100 "mm_log_handler: write: %s", suffix=0x0, force=, level=SYSLOG_LEVEL_FATAL, line=111, func=0x55d42c68a0a0 <__func__.27> "mm_log_handler", file=0x55d42c689940 "monitor_wrap.c") at log.c:416
>#6  sshlogv (file=0x55d42c689940 "monitor_wrap.c", func=0x55d42c68a0a0 <__func__.27> "mm_log_handler", line=111, showfunc=, level=SYSLOG_LEVEL_FATAL, suffix=0x0, fmt=0x55d42c686cc2 "write: %s", args=0x7ffe1d1895e0) at log.c:485
>#7  0x000055d42c6471ec in sshfatal (file=file@entry=0x55d42c689940 "monitor_wrap.c", func=func@entry=0x55d42c68a0a0 <__func__.27> "mm_log_handler", line=line@entry=111, showfunc=showfunc@entry=1, level=level@entry=SYSLOG_LEVEL_FATAL, suffix=suffix@entry=0x0, fmt=0x55d42c686cc2 "write: %s") at fatal.c:43
>#8  0x000055d42c617da9 in mm_log_handler (file=0x55d42c680004 "sshd.c", func=, line=, level=SYSLOG_LEVEL_FATAL, msg=0x7ffe1d189bd0 "Timeout before authentication for 208.105.190.83 port 30569", ctx=0x55d42e235e40) at monitor_wrap.c:111
>#9  0x000055d42c649cc5 in do_log (args=0x7ffe1d18a4b0, fmt=0x7ffe1d189fd0 "Timeout before authentication for %s port %d", suffix=0x0, force=, level=SYSLOG_LEVEL_FATAL, line=370, func=0x55d42c6818f0 <__func__.26> "grace_alarm_handler", file=0x55d42c680004 "sshd.c") at log.c:403
>#10 sshlogv (file=0x55d42c680004 "sshd.c", func=0x55d42c6818f0 <__func__.26> "grace_alarm_handler", line=370, showfunc=, level=level@entry=SYSLOG_LEVEL_FATAL, suffix=0x0, fmt=0x55d42c680700 "Timeout before authentication for %s port %d", args=0x7ffe1d18a4b0) at log.c:485
>#11 0x000055d42c64a0b1 in sshsigdie (file=file@entry=0x55d42c680004 "sshd.c", func=func@entry=0x55d42c6818f0 <__func__.26> "grace_alarm_handler", line=line@entry=370, showfunc=showfunc@entry=0, level=level@entry=SYSLOG_LEVEL_ERROR, suffix=suffix@entry=0x0, fmt=0x55d42c680700 "Timeout before authentication for %s port %d") at log.c:454
>#12 0x000055d42c5f3376 in grace_alarm_handler (sig=) at sshd.c:370
>#13 
>#14 0x00007fb7ee8d8a67 in select () from /usr/lib/libc.so.6
>#15 0x000055d42c650745 in ssh_packet_read_seqnr (ssh=ssh@entry=0x55d42e2442e0, typep=typep@entry=0x7ffe1d18cc73 "", seqnr_p=seqnr_p@entry=0x7ffe1d18cc74) at packet.c:1364
>#16 0x000055d42c6566b3 in ssh_dispatch_run (ssh=ssh@entry=0x55d42e2442e0, mode=mode@entry=0, done=done@entry=0x55d42e245fc0) at dispatch.c:96
>#17 0x000055d42c6567b9 in ssh_dispatch_run_fatal (ssh=ssh@entry=0x55d42e2442e0, mode=mode@entry=0, done=done@entry=0x55d42e245fc0) at dispatch.c:133
>#18 0x000055d42c603411 in do_authentication2 (ssh=ssh@entry=0x55d42e2442e0) at auth2.c:176
>#19 0x000055d42c5f0903 in main (ac=, av=) at sshd.c:2218

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