From: Geliang Tang Date: Mon, 20 Apr 2026 09:45:28 +0000 (+0800) Subject: selftests: harness: fix pidfd leak in __wait_for_test X-Git-Tag: v7.1-rc7~10^2~7 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0eb307d61317b42b120ab02099b597226318358a;p=thirdparty%2Fkernel%2Flinux.git selftests: harness: fix pidfd leak in __wait_for_test Fix the pidfd leak in kselftest_harness.h's __wait_for_test() where childfd = syscall(__NR_pidfd_open, t->pid, 0) is never closed. Fixes: 73a3cde97677 ("selftests: harness: Implement test timeouts through pidfd") Signed-off-by: Geliang Tang Link: https://patch.msgid.link/a82e275ccfb2609a1984d90ab559fa3af78f1e81.1776678050.git.tanggeliang@kylinos.cn Reviewed-by: Thomas Weißschuh Signed-off-by: Christian Brauner (Amutable) --- diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index cfdce9cd252e7..261e4df94d9d5 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -996,6 +996,7 @@ static void __wait_for_test(struct __test_metadata *t) poll_child.fd = childfd; poll_child.events = POLLIN; ret = poll(&poll_child, 1, t->timeout * 1000); + close(childfd); if (ret == -1) { t->exit_code = KSFT_FAIL; fprintf(TH_LOG_STREAM,