While testing LTP syscalls with Linux next 20220110 (and till date 20220112) on x86_64, i386, arm and arm64 the following tests failed. tst_test.c:1365: TINFO: Timeout per run is 0h 15m 00s getxattr05.c:87: TPASS: Got same data when acquiring the value of system.posix_acl_access twice getxattr05.c:97: TFAIL: unshare(CLONE_NEWUSER) failed: ENOSPC (28) tst_test.c:391: TBROK: Invalid child (13545) exit value 1 fanotify17.c:176: TINFO: Test #1: Global groups limit in privileged user ns fanotify17.c:155: TFAIL: unshare(CLONE_NEWUSER) failed: ENOSPC (28) tst_test.c:391: TBROK: Invalid child (14739) exit value 1 sendto03.c:48: TBROK: unshare(268435456) failed: ENOSPC (28) setsockopt05.c:45: TBROK: unshare(268435456) failed: ENOSPC (28) strace output: -------------- [pid 481] wait4(-1, 0x7fff52f5ae8c, 0, NULL) = -1 ECHILD (No child processes) [pid 481] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f3af0fa7a10) = 483 strace: Process 483 attached [pid 481] wait4(-1, <unfinished ...> [pid 483] unshare(CLONE_NEWUSER) = -1 ENOSPC (No space left on device) metadata: git branch: master git repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next git commit: 57c149e506d5bec1b845ad1a8a631063fcac1f6e git describe: next-20220110 arch: x86 toolchain: gcc-11 Reported-by: Linux Kernel Functional Testing <lkft@xxxxxxxxxx> GOOD: next-20220107 BAD: next-20220110 Test logs: https://lkft.validation.linaro.org/scheduler/job/4301888#L1474 https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220110/testrun/7253656/suite/ltp-syscalls-tests/test/getxattr05/log compare test history: https://qa-reports.linaro.org/lkft/linux-next-master/build/next-20220112/testrun/7277164/suite/ltp-syscalls-tests/test/getxattr05/history/ kernel-config: https://builds.tuxbuild.com/23V6AwGvHW7H3kr6WxZZwueajVS/config We are investigating this regression. Steps to reproduce: # cd /opt/ltp # ./runltp -s getxattr05 -- Linaro LKFT https://lkft.linaro.org
