The patch titled Subject: selftests/mm: gup_longterm: fix a resource leak has been added to the -mm mm-unstable branch. Its filename is selftests-mm-gup_longterm-fix-a-resource-leak.patch This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-gup_longterm-fix-a-resource-leak.patch This patch will later appear in the mm-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/process/submit-checklist.rst when testing your code *** The -mm tree is included into linux-next via the mm-everything branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm and is updated there every 2-3 working days ------------------------------------------------------ From: Ding Xiang <dingxiang@xxxxxxxxxxxxxxxxxxxx> Subject: selftests/mm: gup_longterm: fix a resource leak Date: Thu, 31 Aug 2023 17:31:44 +0800 The opened file should be closed in run_with_tmpfile(), otherwise resource leak will occur Link: https://lkml.kernel.org/r/20230831093144.7520-1-dingxiang@xxxxxxxxxxxxxxxxxxxx Signed-off-by: Ding Xiang <dingxiang@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- tools/testing/selftests/mm/gup_longterm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/tools/testing/selftests/mm/gup_longterm.c~selftests-mm-gup_longterm-fix-a-resource-leak +++ a/tools/testing/selftests/mm/gup_longterm.c @@ -265,10 +265,11 @@ static void run_with_tmpfile(test_fn fn, fd = fileno(file); if (fd < 0) { ksft_test_result_fail("fileno() failed\n"); - return; + goto close; } fn(fd, pagesize); +close: fclose(file); } _ Patches currently in -mm which might be from dingxiang@xxxxxxxxxxxxxxxxxxxx are selftests-mm-gup_longterm-fix-a-resource-leak.patch