subiquity subcommand crash on apt hash mismatch

[Bernard Stafford]

QA Testing daily build 20230302 install failed.

Mar 02 06:24:14 ubuntu subiquity_log.3098[12985]: Running command ['mount', '--make-private', '/target/dev'] with allowed return codes [0] (capture=False)
Mar 02 06:24:14 ubuntu subiquity_log.3098[12985]: Running command ['umount', '/target/dev'] with allowed return codes [0] (capture=False)
Mar 02 06:24:14 ubuntu subiquity_log.3098[12985]: finish: cmd-in-target: FAIL: curtin command in-target

ProblemType: Crash
DistroRelease: Ubuntu 23.04
Package: openssh-client 1:9.0p1-1ubuntu8
Uname: Linux 5.19.0-21-generic x86_64
Architecture: amd64
Date: Thu Mar 2 12:13:28 2023
ExecutablePath: /usr/bin/ssh-keygen
ExecutableTimestamp: 1666713463
ProcCmdline: ssh-keygen -t rsa -b 4096 -N -f /tmp/snapd3272526883/rsa.key -m PEM
ProcCwd: /
ProcEnviron:
 LANG=C.UTF-8
 PATH=(custom, no user)
Signal: 7
SourcePackage: openssh
UserGroups: N/A

[Apport retracing service (apport)]

StacktraceTop:
 bn_sqr8x_internal () at crypto/bn/x86_64-mont5.s:1762
 bn_power5 () at crypto/bn/x86_64-mont5.s:1175
 BN_mod_exp_mont_consttime (rr=<optimized out>, a=<optimized out>, p=<optimized out>, m=<optimized out>, ctx=<optimized out>, in_mont=<optimized out>) at ../crypto/bn/bn_exp.c:1009
 ossl_bn_miller_rabin_is_prime (w=w@entry=0x55ccb8bd1190, iterations=<optimized out>, iterations@entry=64, ctx=ctx@entry=0x55ccb8bd19a0, cb=cb@entry=0x0, enhanced=enhanced@entry=0, status=status@entry=0x7fff9284bdc4) at ../crypto/bn/bn_prime.c:406
 ossl_bn_miller_rabin_is_prime (status=0x7fff9284bdc4, enhanced=0, cb=0x0, ctx=0x55ccb8bd19a0, iterations=64, w=0x55ccb8bd1190) at ../crypto/bn/bn_prime.c:286

[Ubuntu QA Website (ubuntuqa)]

This bug has been reported on the Ubuntu ISO testing tracker.

A list of all reports related to this bug can be found here:
https://iso.qa.ubuntu.com/qatracker/reports/bugs/2009034

[Apport retracing service (apport)]

StacktraceTop:
 mulx4x_internal () at crypto/bn/x86_64-mont5.s:2273
 bn_sqr8x_internal () at crypto/bn/x86_64-mont5.s:1760
 ?? ()
 ?? ()
 ?? ()