[LU-18099] sanity-pcc test_101a: FAIL: 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 2.16.0
• Environment: Ubuntu 24.04 client
• Severity: 3
• Assignee: Feng Lei
• Reporter: Maloo

Description

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

This issue relates to the following test suite run: https://testing.whamcloud.com/test_sets/fc29258e-8e5a-4b28-a13a-9d364a08d28c

test_101a failed with the following error:

== sanity-pcc test 101a: Test auto attach in mount namespace (simulated container) ========================================================== 08:30:05 (1721982605)
CMD: onyx-33vm2 cat /proc/sys/user/max_user_namespaces
CMD: onyx-33vm2 echo 10 > /proc/sys/user/max_user_namespaces
creating user namespace for 500
CMD: onyx-33vm2 runas -u 500 -g 500 unshare -Um sleep 600 &>/dev/null & echo \$!
CMD: onyx-33vm2 ps auxww
Created NS: child (sleep) pid=36544 in 0 seconds
CMD: onyx-33vm2 runas -u 500 -g 500 newuidmap 36544 0 500 1
onyx-33vm2: running as uid/gid/euid/egid 500/500/500/500, groups:
onyx-33vm2:  [newuidmap] [36544] [0] [500] [1]
onyx-33vm2: newuidmap: Could not open proc directory for target 36544
 sanity-pcc test_101a: @@@@@@ FAIL: could not map uid 500 to root in namespace 

Test session details:
clients: https://build.whamcloud.com/job/lustre-master/4558 - 6.8.0-35-generic
servers: https://build.whamcloud.com/job/lustre-master/4558 - 5.14.0-427.24.1_lustre.el9.x86_64

<<Please provide additional information about the failure here>>

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