View Issue Details
| ID | Project | Category | View Status | Date Submitted | Last Update |
|---|---|---|---|---|---|
| 0017606 | CentOS-7 | openssh | public | 2020-07-20 12:38 | 2020-07-20 12:38 |
| Reporter | animav2175 | Assigned To | |||
| Priority | normal | Severity | crash | Reproducibility | always |
| Status | new | Resolution | open | ||
| Product Version | 7.7-1908 | ||||
| Summary | 0017606: On password expiry if we type in the wrong current password sshd segfaults | ||||
| Description | On password expiry if we type in the wrong current password sshd segfaults backtrace shows the following. There is already a bug reported for Fedora. It looks to be the same issue Please refer to https://bugzilla.redhat.com/show_bug.cgi?id=1842281 #0 0x00005631add23100 in cipher_free (cc=0x5631afb31980) at cipher.c:524 #1 0x00005631add2a615 in packet_destroy_state (state=0x5631afb19a90) at packet.c:2481 #2 packet_destroy_all (audit_it=0, audit_it@entry=1, privsep=privsep@entry=0) at packet.c:2511 #3 0x00005631adce3da2 in cleanup_exit (i=i@entry=255) at sshd.c:2460 #4 0x00005631add2402b in fatal (fmt=fmt@entry=0x5631add5e578 "PAM: pam_chauthtok(): %s") at fatal.c:44 #5 0x00005631add06c4e in do_pam_chauthtok () at auth-pam.c:1060 #6 0x00005631adcf4435 in do_login (s=s@entry=0x5631afb32990, command=command@entry=0x0) at session.c:799 #7 0x00005631adcf46c3 in do_exec_pty (s=s@entry=0x5631afb32990, command=command@entry=0x0) at session.c:562 #8 0x00005631adcf49e5 in do_exec (s=s@entry=0x5631afb32990, command=<optimized out>, command@entry=0x0) at session.c:731 #9 0x00005631adcf500d in session_shell_req (s=0x5631afb32990) at session.c:2116 #10 session_input_channel_req (c=c@entry=0x5631afb2c700, rtype=<optimized out>, rtype@entry=0x5631afb2bc00 "shell") at session.c:2214 #11 0x00005631adcebd8b in server_input_channel_req (type=<optimized out>, seq=<optimized out>, ctxt=<optimized out>) at serverloop.c:827 #12 0x00005631add317e9 in ssh_dispatch_run (ssh=ssh@entry=0x5631afb19230, mode=mode@entry=1, done=done@entry=0x0, ctxt=0x5631afb19230) at dispatch.c:119 #13 0x00005631add31839 in ssh_dispatch_run_fatal (ssh=0x5631afb19230, mode=mode@entry=1, done=done@entry=0x0, ctxt=<optimized out>) at dispatch.c:140 #14 0x00005631adced0f2 in process_buffered_input_packets () at serverloop.c:327 #15 server_loop2 (authctxt=authctxt@entry=0x5631afb16200) at serverloop.c:381 #16 0x00005631adcf42e2 in do_authenticated2 (authctxt=0x5631afb16200) at session.c:2668 #17 do_authenticated (authctxt=authctxt@entry=0x5631afb16200) at session.c:273 #18 0x00005631adce108f in main (ac=<optimized out>, av=<optimized out>) at sshd.c:2253 | ||||
| Steps To Reproduce | 1. expire root password --> passwd --expire root 2. ssh to the host 3. type in current password, it now prompts to type in current password. Type in a wrong password 4. sshd segfaults with these messages in dmesg [328646.058801] traps: sshd[3159] general protection ip:55583442f100 sp:7ffe076c1d80 error:0 in sshd[5558343df000+c8000] [328822.537362] traps: sshd[3189] general protection ip:55d4b25f5100 sp:7ffd660d5520 error:0 in sshd[55d4b25a5000+c8000] | ||||
| Tags | No tags attached. | ||||
| abrt_hash | |||||
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| Date Modified | Username | Field | Change |
|---|---|---|---|
| 2020-07-20 12:38 | animav2175 | New Issue |
