On Tue, 3 May 2022 01:09:55 -0700, Sargun Dhillon wrote:
> This patchset addresses a race condition we've dealt with recently with
> seccomp. Specifically programs interrupting syscalls while they're in
> progress. This was exacerbated by Golang's[1] recent adoption of
> "Non-cooperative goroutine preemption", in which they try to interrupt any
> syscall that's been running for more than 10ms. During certain syscalls,
> it's non-trivial to write them in a reetrant manner in userspace (mount).
>
> [...]
Applied to for-next/seccomp, thanks!
[1/3] seccomp: Add wait_killable semantic to seccomp user notifier
https://git.kernel.org/kees/c/c2aa2dfef243
[2/3] selftests/seccomp: Refactor get_proc_stat to split out file reading code
https://git.kernel.org/kees/c/922a1b520c5f
[3/3] selftests/seccomp: Add test for wait killable notifier
https://git.kernel.org/kees/c/3b96a9c522b2
--
Kees Cook
