* + selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch added to mm-unstable branch
@ 2026-07-06 23:29 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2026-07-06 23:29 UTC (permalink / raw)
To: mm-commits, lihongfu, akpm
The patch titled
Subject: selftests/mm: add missing pthread_create() return checks in pkey tests
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.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
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next via various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Hongfu Li <lihongfu@kylinos.cn>
Subject: selftests/mm: add missing pthread_create() return checks in pkey tests
Date: Mon, 6 Jul 2026 16:15:59 +0800
Add missing pthread_create() return checks in pkey sighandler tests to
avoid hanging in pthread_cond_wait() when thread creation fails.
Link: https://lore.kernel.org/20260706081600.3570203-6-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/pkey_sighandler_tests.c | 12 +++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
--- a/tools/testing/selftests/mm/pkey_sighandler_tests.c~selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests
+++ a/tools/testing/selftests/mm/pkey_sighandler_tests.c
@@ -220,7 +220,11 @@ static void test_sigsegv_handler_with_pk
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&thr, &attr, thread_segv_with_pkey0_disabled, NULL);
+ ret = pthread_create(&thr, &attr, thread_segv_with_pkey0_disabled, NULL);
+ if (ret) {
+ errno = ret;
+ pkey_assert(0);
+ }
pthread_mutex_lock(&mutex);
while (siginfo.si_signo == 0)
@@ -259,7 +263,11 @@ static void test_sigsegv_handler_cannot_
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&thr, &attr, thread_segv_pkuerr_stack, NULL);
+ ret = pthread_create(&thr, &attr, thread_segv_pkuerr_stack, NULL);
+ if (ret) {
+ errno = ret;
+ pkey_assert(0);
+ }
pthread_mutex_lock(&mutex);
while (siginfo.si_signo == 0)
_
Patches currently in -mm which might be from lihongfu@kylinos.cn are
selftests-mm-move-pkey-selftest-helpers-to-pkey_utilc.patch
selftests-mm-unify-pkey-sighandler-selftest-assertions-and-tracing.patch
selftests-mm-use-pkey_assert-on-clone_raw-failure-in-pkey-test.patch
selftests-mm-add-missing-mmap-return-checks-in-pkey-tests.patch
selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch
selftests-mm-fix-clone-cleartid-race-in-pkey-sighandler-tests.patch
^ permalink raw reply [flat|nested] 2+ messages in thread* + selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch added to mm-unstable branch
@ 2026-07-05 20:49 Andrew Morton
0 siblings, 0 replies; 2+ messages in thread
From: Andrew Morton @ 2026-07-05 20:49 UTC (permalink / raw)
To: mm-commits, lihongfu, akpm
The patch titled
Subject: selftests/mm: add missing pthread_create() return checks in pkey tests
has been added to the -mm mm-unstable branch. Its filename is
selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.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 various
branches at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
and is updated there most days
------------------------------------------------------
From: Hongfu Li <lihongfu@kylinos.cn>
Subject: selftests/mm: add missing pthread_create() return checks in pkey tests
Date: Thu, 2 Jul 2026 14:23:32 +0800
Add missing pthread_create() return checks in pkey sighandler tests to
avoid hanging in pthread_cond_wait() when thread creation fails.
Link: https://lore.kernel.org/20260702062332.911786-6-lihongfu@kylinos.cn
Signed-off-by: Hongfu Li <lihongfu@kylinos.cn>
Acked-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Acked-by: Liam R. Howlett (Oracle) <liam@infradead.org>
Reviewed-by: Kevin Brodsky <kevin.brodsky@arm.com>
Tested-by: Kevin Brodsky <kevin.brodsky@arm.com>
Cc: David Hildenbrand <david@kernel.org>
Cc: Joey Gouly <joey.gouly@arm.com>
Cc: John Hubbard <jhubbard@nvidia.com>
Cc: Keith Lucas <keith.lucas@oracle.com>
Cc: Lorenzo Stoakes <ljs@kernel.org>
Cc: Michal Hocko <mhocko@suse.com>
Cc: Muhammad Usama Anjum <usama.anjum@collabora.com>
Cc: Ross Zwisler <zwisler@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Suren Baghdasaryan <surenb@google.com>
Cc: Vlastimil Babka <vbabka@kernel.org>
Cc: Yury Khrustalev <yury.khrustalev@arm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/mm/pkey_sighandler_tests.c | 12 +++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
--- a/tools/testing/selftests/mm/pkey_sighandler_tests.c~selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests
+++ a/tools/testing/selftests/mm/pkey_sighandler_tests.c
@@ -220,7 +220,11 @@ static void test_sigsegv_handler_with_pk
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&thr, &attr, thread_segv_with_pkey0_disabled, NULL);
+ ret = pthread_create(&thr, &attr, thread_segv_with_pkey0_disabled, NULL);
+ if (ret) {
+ errno = ret;
+ pkey_assert(0);
+ }
pthread_mutex_lock(&mutex);
while (siginfo.si_signo == 0)
@@ -259,7 +263,11 @@ static void test_sigsegv_handler_cannot_
pthread_attr_init(&attr);
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
- pthread_create(&thr, &attr, thread_segv_pkuerr_stack, NULL);
+ ret = pthread_create(&thr, &attr, thread_segv_pkuerr_stack, NULL);
+ if (ret) {
+ errno = ret;
+ pkey_assert(0);
+ }
pthread_mutex_lock(&mutex);
while (siginfo.si_signo == 0)
_
Patches currently in -mm which might be from lihongfu@kylinos.cn are
selftests-mm-move-pkey-selftest-helpers-to-pkey_utilc.patch
selftests-mm-unify-pkey-sighandler-selftest-assertions-and-tracing.patch
selftests-mm-use-pkey_assert-on-clone_raw-failure-in-pkey-test.patch
selftests-mm-add-missing-mmap-return-checks-in-pkey-tests.patch
selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch
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2026-07-06 23:29 + selftests-mm-add-missing-pthread_create-return-checks-in-pkey-tests.patch added to mm-unstable branch Andrew Morton
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2026-07-05 20:49 Andrew Morton
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