The crash happens in 5.4.0-51-generic and a Hirsute LXD container therein.
But also in a Hirsute VM under 5.8.0-25-generic
On the latter the crash looks like (similar):
[520179.980824] report_user_fault: 5 callbacks suppressed
[520179.980827] User process fault: interruption code 003b ilc:3 in
clustalo[2aa05900000+aa000]
[520179.980842] Failing address: 00000000ddf7c000 TEID: 00000000ddf7c800
[520179.980843] Fault in primary space mode while using user ASCE.
[520179.980845] AS:0000000028f281c7 R3:0000000000000024
[520179.980852] CPU: 1 PID: 83822 Comm: clustalo Not tainted 5.8.0-25-generic
#26-Ubuntu
[520179.980853] Hardware name: IBM 2964 N63 400 (KVM/Linux)
[520179.980855] User PSW : 0705200180000000 000002aa059176e2
[520179.980857] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:1 AS:0 CC:2 PM:0
RI:0 EA:3
[520179.980858] User GPRS: 0000000000000004 0000000000000000 000003ffddf7c838
00000000ddf7c7d0
[520179.980859] 000002aa05e2b1d8 0000000000000001 0000000000000000
000002aa05e29f00
[520179.980860] 000003ffddf7c7e0 000003ffddf7c840 0000000000000000
0000000000000001
[520179.980860] 000003ffbe7abf98 000003ffddf7c998 000002aa05917682
000003ffddf7c568
[520179.980872] User Code: 000002aa059176d0: e330f0c80004 lg
%r3,200(%r15)
000002aa059176d6: e32090280004 lg
%r2,40(%r9)
#000002aa059176dc: eb1a0002000d sllg
%r1,%r10,2
>000002aa059176e2: e35130000014 lgf
%r5,0(%r1,%r3)
000002aa059176e8: e34180000014 lgf
%r4,0(%r1,%r8)
000002aa059176ee: 6080f0c0 std
%f8,192(%r15)
000002aa059176f2: b9040037 lgr %r3,%r7
000002aa059176f6: a7ab0001 aghi %r10,1
[520179.980883] Last Breaking-Event-Address:
[520179.980893] [<000003ffbe28d144>] 0x3ffbe28d144
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https://bugs.launchpad.net/bugs/1903817
Title:
Clustalo 1.2.4-6 segfaults on s390x
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