runtime: change PID existence check #12126
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commit 6b3b0a1 introduced a check for the PID file before attempting to move the PID to a new scope. This is still vulnerable to TOCTOU race condition though, since the PID file or the PID can be removed/killed after the check was successful but before it was used. Closes: containers#12065 [NO NEW TESTS NEEDED] it fixes a CI flake Signed-off-by: Giuseppe Scrivano <[email protected]>
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[APPROVALNOTIFIER] This PR is APPROVED This pull-request has been approved by: giuseppe The full list of commands accepted by this bot can be found here. The pull request process is described here
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Nice catch |
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locked - please file new issue/PR
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What this PR does / why we need it:
commit 6b3b0a1 introduced a check for
the PID file before attempting to move the PID to a new scope.
This is still vulnerable to TOCTOU race condition though, since the
PID file or the PID can be removed/killed after the check was
successful but before it was used.
How to verify it
Which issue(s) this PR fixes:
Fixes #12065
Special notes for your reviewer:
[NO NEW TESTS NEEDED] it fixes a CI flake
Signed-off-by: Giuseppe Scrivano [email protected]