Samba smbd [4.3.11-Ubuntu] segfault? 'panic action' backtrace

[d65]

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007fdfb2c16a0c in __libc_waitpid (pid=1277, stat_loc=stat_loc@entry=0x7ffd84cb5010, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:31
#0 0x00007fdfb2c16a0c in __libc_waitpid (pid=1277, stat_loc=stat_loc@entry=0x7ffd84cb5010, options=options@entry=0) at ../sysdeps/unix/sysv/linux/waitpid.c:31
#1 0x00007fdfb2b9c232 in do_system (line=line@entry=0x55d1604fffa0 "/usr/share/samba/panic-action 991") at ../sysdeps/posix/system.c:148
#2 0x00007fdfb2b9c59a in __libc_system (line=line@entry=0x55d1604fffa0 "/usr/share/samba/panic-action 991") at ../sysdeps/posix/system.c:184
#3 0x00007fdfb6606225 in system (line=line@entry=0x55d1604fffa0 "/usr/share/samba/panic-action 991") at pt-system.c:28
#4 0x00007fdfb5631271 in smb_panic_s3 (why=<optimized out>) at ../source3/lib/util.c:802
#5 0x00007fdfb63a88df in smb_panic (why=why@entry=0x55d15eedc2b4 "open_sockets_smbd() failed") at ../lib/util/fault.c:166
#6 0x00007fdfb5faba55 in exit_server_common (how=how@entry=SERVER_EXIT_ABNORMAL, reason=0x55d15eedc2b4 "open_sockets_smbd() failed") at ../source3/smbd/server_exit.c:246
#7 0x00007fdfb5fabd31 in smbd_exit_server (explanation=<optimized out>) at ../source3/smbd/server_exit.c:264
#8 0x00007fdfb3e89c82 in exit_server (reason=<optimized out>) at ../source3/lib/smbd_shim.c:123
#9 0x000055d15eed6243 in main (argc=<optimized out>, argv=<optimized out>) at ../source3/smbd/server.c:1630
A debugging session is active.

[Nish Aravamudan (nacc)]

Hello,

Thank you for filing this bug report. Unfortunately, just given a backtrace, it's rather difficult to determine what is happening. Is this a reproducible issue? What are the steps to reproduce it? Ubuntu 14.04 or 16.04?

[Launchpad Janitor (janitor)]

[Expired for samba (Ubuntu) because there has been no activity for 60 days.]