[brauner-github:vfs-7.2.procfs] [proc] 0ec6945730: kernel-selftests.proc.read.fail

[brauner-github:vfs-7.2.procfs] [proc] 0ec6945730: kernel-selftests.proc.read.fail

[kernel test robot]

Hello,

kernel test robot noticed "kernel-selftests.proc.read.fail" on:

commit: 0ec6945730e17fb8a44283114493b1a54caabf09 ("proc: protect ptrace_may_access() with exec_update_lock (part 1)")
https://github.com/brauner/linux.git vfs-7.2.procfs

in testcase: kernel-selftests
version: kernel-selftests-x86_64-174914ea5513-1_20260531
with following parameters:

	group: proc


config: x86_64-rhel-9.4-kselftests
compiler: gcc-14
test machine: 16 threads Intel(R) Core(TM) i7-13620H (Raptor Lake) with 32G memory

(please refer to attached dmesg/kmsg for entire log/backtrace)


If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202606021924.b6d8a0c2-lkp@intel.com


# timeout set to 300
# selftests: proc: read
# read: proc.h:49: xreaddir: Assertion `de || errno == 0' failed.
# Aborted
not ok 19 selftests: proc: read # exit=134



The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20260602/202606021924.b6d8a0c2-lkp@intel.com



-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki

Re: [brauner-github:vfs-7.2.procfs] [proc] 0ec6945730: kernel-selftests.proc.read.fail

[Jann Horn]

On Thu, Jun 4, 2026 at 8:57 AM kernel test robot <oliver.sang@intel.com> wrote:
> kernel test robot noticed "kernel-selftests.proc.read.fail" on:
>
> commit: 0ec6945730e17fb8a44283114493b1a54caabf09 ("proc: protect ptrace_may_access() with exec_update_lock (part 1)")

Thanks, I have sent
https://lore.kernel.org/r/20260604155806.1402880-1-jannh@google.com to
fix this.