This is a note to let you know that I've just added the patch titled selftests/x86/fsgsbase: Reap a forgotten child to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: selftests-x86-fsgsbase-reap-a-forgotten-child.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 05c8a72c1f479365c98080f1d199ebaa8c61a075 Author: Andy Lutomirski <luto@xxxxxxxxxx> Date: Wed Aug 26 10:00:45 2020 -0700 selftests/x86/fsgsbase: Reap a forgotten child [ Upstream commit ab2dd173330a3f07142e68cd65682205036cd00f ] The ptrace() test forgot to reap its child. Reap it. Signed-off-by: Andy Lutomirski <luto@xxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Link: https://lore.kernel.org/r/e7700a503f30e79ab35a63103938a19893dbeff2.1598461151.git.luto@xxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/tools/testing/selftests/x86/fsgsbase.c b/tools/testing/selftests/x86/fsgsbase.c index 9983195535237..0056e2597f53a 100644 --- a/tools/testing/selftests/x86/fsgsbase.c +++ b/tools/testing/selftests/x86/fsgsbase.c @@ -517,6 +517,9 @@ static void test_ptrace_write_gsbase(void) END: ptrace(PTRACE_CONT, child, NULL, NULL); + wait(&status); + if (!WIFEXITED(status)) + printf("[WARN]\tChild didn't exit cleanly.\n"); } int main()