On Fri, 25 Jul 2025 18:31:17 +0200, Johannes Nixdorf wrote:
> If WAIT_KILLABLE_RECV was specified, and an event is received, the
> tracee's syscall is not supposed to be interruptible. This was not properly
> ensured if the reply was sent too fast, and an interrupting signal was
> received before the reply was processed on the tracee side.
>
> This series fixes the bug and adds a test case for it to the selftests.
>
> [...]
With minor edits, applied to for-next/seccomp, thanks!
[1/2] seccomp: Fix a race with WAIT_KILLABLE_RECV if the tracer replies too fast
https://git.kernel.org/kees/c/cce436aafc2a
[2/2] selftests/seccomp: Add a test for the WAIT_KILLABLE_RECV fast reply race
https://git.kernel.org/kees/c/b0c9bfbab925
Take care,
--
Kees Cook
