Created attachment 844783 [details]
sshd coredump file

sshd frequently coredumps, ie: several times a day
and has for several months
current tw version 20210101

12:13 crash: ~ # coredumpctl info 24778 -o sshd.coredump.txt
PID: 24778 (sshd)
UID: 1000 (paka)
GID: 100 (users)
Signal: 11 (SEGV)
Timestamp: Sun 2021-01-03 10:49:57 EST (1h 23min ago)
Command Line: sshd: paka@notty
Executable: /usr/sbin/sshd
Control Group: /user.slice/user-1000.slice/session-27.scope
Unit: session-27.scope
Slice: user-1000.slice
Session: 27
Owner UID: 1000 (paka)
Boot ID: 6daaababe19d42638b365590e4f26aee
Machine ID: 3384cbc37a574dcc99445aa25cd2db04
Hostname: crash
Storage:
/var/lib/systemd/coredump/core.sshd.1000.6daaababe19d42638b365590e4f26aee.24778.16096
88997000000.zst
Message: Process 24778 (sshd) of user 1000 dumped core.

Stack trace of thread 24778:
#0  0x000055d628693563 cipher_free (sshd + 0x4e563)
#1  0x000055d628695b67 ssh_packet_close_internal (sshd + 0x50b67)
#2  0x000055d628655cbf main (sshd + 0x10cbf)
#3  0x00007f2cae063152 __libc_start_main (libc.so.6 + 0x28152)
#4  0x000055d62865624e _start (sshd + 0x1124e)

coredump attached
core.sshd.1000.6daaababe19d42638b365590e4f26aee.24778.1609688997000000.zst