[LU-16457] sanity-pcc test_101a: Error: 'could not map uid 500 to root in namespace'

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Affects Version/s: Lustre 2.15.1
• Severity: 3
• Assignee: Sebastien Buisson
• Reporter: Maloo

Description

This issue was created by maloo for Minh Diep <[e-mail]>

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/b93b43b5-a8f2-4ae5-895a-e04966fbb5dd

test_101a failed with the following error:

could not map uid 500 to root in namespace

== sanity-pcc test 101a: Test auto attach in mount namespace (simulated container) ========================================================== 17:56:00 (1672854960)
CMD: trevis-48vm4 cat /proc/sys/user/max_user_namespaces
CMD: trevis-48vm4 echo 10 > /proc/sys/user/max_user_namespaces
creating user namespace for 500
CMD: trevis-48vm4 runas -u 500 -g 500 unshare -Um sleep 600
trevis-48vm4: running as uid/gid/euid/egid 500/500/500/500, groups:
trevis-48vm4: [unshare] [-Um] [sleep] [600]
CMD: trevis-48vm4 pgrep sleep
pdsh@trevis-48vm3: trevis-48vm4: ssh exited with exit code 1
Created NS: child (sleep) pid
CMD: trevis-48vm4 runas -u 500 -g 500 newuidmap 0 500 1
trevis-48vm4: running as uid/gid/euid/egid 500/500/500/500, groups:
trevis-48vm4: [newuidmap] [0] [500] [1]
trevis-48vm4: newuidmap: Could not open proc directory for target 0
pdsh@trevis-48vm3: trevis-48vm4: ssh exited with exit code 1
sanity-pcc test_101a: @@@@@@ FAIL: could not map uid 500 to root in namespace
Trace dump:
= /usr/lib64/lustre/tests/test-framework.sh:6406:error()
= /usr/lib64/lustre/tests/sanity-pcc.sh:1523:test_101a()
= /usr/lib64/lustre/tests/test-framework.sh:6723:run_one()
= /usr/lib64/lustre/tests/test-framework.sh:6770:run_one_logged()
= /usr/lib64/lustre/tests/test-framework.sh:6611:run_test()
= /usr/lib64/lustre/tests/sanity-pcc.sh:1611:main()
Dumping lctl log to /autotest/autotest-1/2023-01-04/lustre-b2_15_full-part-2_47_38_91d6a73b-aa04-4158-9b08-8e31c70d3c23//sanity-pcc.test_101a.*.1672854968.log
CMD: trevis-48vm3.trevis.whamcloud.com,trevis-48vm4,trevis-48vm5,trevis-48vm6 /usr/sbin/lctl dk > /autotest/autotest-1/2023-01-04/lustre-b2_15_full-part-2_47_38_91d6a73b-aa04-4158-9b08-8e31c70d3c23//sanity-pcc.test_101a.debug_log.\$(hostname -s).1672854968.log;
dmesg > /autotest/autotest-1/2023-01-04/lustre-b2_15_full-part-2_47_38_91d6a73b-aa04-4158-9b08-8e31c70d3c23//sanity-pcc.test_101a.dmesg.\$(hostname -s).1672854968.log
CMD: trevis-48vm4 kill -9
trevis-48vm4: kill: usage: kill [-s sigspec | -n signum | -sigspec] pid | jobspec ... or kill -l [sigspec]
pdsh@trevis-48vm3: trevis-48vm4: ssh exited with exit code 2

Notice same test passed on 2.15.2.RC1 failed in RC2

VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV
sanity-pcc test_101a - could not map uid 500 to root in namespace