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,