crash in netmgr.c
running BIND 9.15.8 (Development Release) id:a3c2b7a5f6 on Debian Stretch, which is various random patches on top of
commit 9c5547b1185a7b780554145ce28368d53ebe621f (origin/master, origin/HEAD, master)
Date: 2020-01-16 08:49:13 +0000
2020-01-16.15:18:12.217 general: critical: netmgr.c:1165: INSIST(__v > 0) failed, back trace
built-in backtrace lacks symbols but gdb gets the following from the core file:
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007f3ed63e342a in __GI_abort () at abort.c:89
#2 0x00005577e0e0f777 in assertion_failed (file=<optimized out>,
line=<optimized out>, type=<optimized out>, cond=<optimized out>) at ./main.c:262
#3 0x00007f3ed84a901a in isc_assertion_failed (
file=file@entry=0x7f3ed84eecc7 "netmgr.c", line=line@entry=1165,
type=type@entry=isc_assertiontype_insist, cond=cond@entry=0x7f3ed84ea9e2 "__v > 0")
at assertions.c:48
#4 0x00007f3ed84c0c4d in isc_nmhandle_unref (handle=0x7f3eb81098b0) at netmgr.c:1165
#5 0x00007f3ed84c5a0c in tcpdnssend_cb (handle=<optimized out>,
result=<optimized out>, cbarg=0x7f3ed9596eb8) at tcpdns.c:452
#6 0x00007f3ed84c319a in tcp_send_cb (req=<optimized out>, status=<optimized out>)
at tcp.c:853
#7 0x00007f3ed6fa2c38 in uv__write_callbacks (stream=stream@entry=0x7f3ed949e530)
at src/unix/stream.c:940
#8 0x00007f3ed6fa2df5 in uv__stream_io (loop=<optimized out>, w=0x7f3ed949e5b8,
events=<optimized out>) at src/unix/stream.c:1283
#9 0x00007f3ed6fa7ee8 in uv__io_poll (loop=loop@entry=0x5577e2c2ca50, timeout=29999)
at src/unix/linux-core.c:381
#10 0x00007f3ed6f99924 in uv_run (loop=loop@entry=0x5577e2c2ca50,
mode=mode@entry=UV_RUN_DEFAULT) at src/unix/core.c:354
#11 0x00007f3ed84c25b9 in nm_thread (worker0=0x5577e2c2ca40) at netmgr.c:487
#12 0x00007f3ed6b714a4 in start_thread (arg=0x7f3ed3025700) at pthread_create.c:456
#13 0x00007f3ed6497d0f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97