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Cisco Bug: CSCvv49893 - [BP=CUPS]: Assertion failure at : Function: free_acct() ,uplane_drv_deallocate_callline

Last Modified

Sep 09, 2020

Products (1)

  • Cisco ASR 5000 Series

Known Affected Releases

21.18.7

Description (partial)

Symptom:
The following sessmgr restart was observed in CUPS node in R21.18.7 (77000).

********************* CRASH #06 ***********************
SW Version : 21.18.7
Similar Crash Count : 1
Time of First Crash : 2020-Aug-18+10:16:24

Assertion failure at messenger/memacct.c:435
Function: free_acct()
Expression: ((struct mem_acct *)(((unsigned char*)((rec)->prev)) + ((psize) - sizeof(struct mem_acct))))->next == (ptr)
Proclet: sessmgr (f=87000,i=10)
Process: card=1 cpu=0 arch=X pid=30941 cpu=~5% argv0=sessmgr
Crash time: 2020-Aug-18+10:16:24 UTC
Recent errno: 11 Resource temporarily unavailable
Build_number: 77000
Stack (131071@0x0xff6cd000, probably truncated):
[ffffe430/X] __kernel_vsyscall() sp=0xff6cd5e8
[0cd057b7/X] sn_assert() sp=0xff6cd648
[0cdc1d21/X] free_acct() sp=0xff6cd6a8
[f677f85b/X] libc.so.6/free_efence() sp=0xff6cd6c8
[0ccf8293/X] sn_slist_free() sp=0xff6cd6f8
[05804596/X] uplane_drv_deallocate_callline() sp=0xff6cd748
Last Bounce:
Src: sessmgr (f=87000,i=10)
Dst: (f=181000,i=0,m=319321)
ID: 0x78dd010060200077
Input: demux_sess_audit_req_max
Output: demux_sess_audit_rsp_max
Callback: [03c774a0/X] sessmgr_demux_audit_callback()
Class: MEDIUM
Flavour: NONBLOCKING REMOTE UNICAST
TCP: connct=0 elapsed=0ms code=NS_MISSING (Peer is not present)
Nameservice: valid=0 age=0 card=0 cpu=0 pid=0 debug=0
Registers:
gs fs es ds
00000063 00000000 0000002b 0000002b
edi esi ebp esp
f6894000 00000000 ff6cd5e8 ff6cd5d0
ebx edx ecx eax
000078dd 00000006 000078dd 00000000
trap err eip cs
00000000 00000000 ffffe430 00000023
efl uesp ss
00200296 ff6cd5d0 0000002b
Recent inbound med header (40@0x0xed75e44e):
0: 400000b80001c025 0000000000000000 @......% ........
16: 0200000000020000 0000000000000000 ........ ........
32: 0000000000000000 ........
Recent inbound med packet (86@0x0xed75e476):
0: 4589009000000000 ff11f34e0ab0d922 E....... ...N..."
16: 0ab0d9022265c445 007cef5921370070 ...."e.E .|.Y!7.p
32: 008c00000000170a 5217170a78da6310 ........ R...x.c.
48: 66606464f0678866 0864606960606062 f`dd.g.f .d`i```b
64: c860606160605062 b007b23918bc1958 .``a``Pb ...9...X
80: e2ad57b032f8 ..W.2.

Conditions:
CUPS
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