On Fri, 28 Aug 2020 21:56:13 -0400, Rich Felker wrote:
> Asynchronous termination of a thread outside of the userspace thread
> library's knowledge is an unsafe operation that leaves the process in
> an inconsistent, corrupt, and possibly unrecoverable state. In order
> to make new actions that may be added in the future safe on kernels
> not aware of them, change the default action from
> SECCOMP_RET_KILL_THREAD to SECCOMP_RET_KILL_PROCESS.
Applied, thanks!
[1/1] seccomp: kill process instead of thread for unknown actions
https://git.kernel.org/kees/c/4d671d922d51
I tweaked the coredump logic and added a selftest (and CCed you) for
the behavior (since it wasn't included in the existing tests).
--
Kees Cook
