Em 18/11/2025 13:26, Ankit Khushwaha escreveu:

In `child_circular_list()` address of local variable ‘struct lock_struct a’ is assigned to `head.list.next` raising the following warning.

robust_list.c: In function ‘child_circular_list’: robust_list.c:522:24: warning: storing the address of local variable ‘a’ in ‘head.list.next’ [-Wdangling-pointer=]

522 | head.list.next = &a.list; | ~~~~~~~~~~~~~~~^~~~~~~~~ robust_list.c:513:28: note: ‘a’ declared here 513 | struct lock_struct a, b, c; | ^ robust_list.c:512:40: note: ‘head’ declared here 512 | static struct robust_list_head head; | ^~~~

Defining the value with static keyword to fix this.

Signed-off-by: Ankit Khushwaha ankitkhushwaha.linux@gmail.com

tools/testing/selftests/futex/functional/robust_list.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/futex/functional/robust_list.c b/tools/testing/selftests/futex/functional/robust_list.c index e7d1254e18ca..d1aab1cc5a37 100644 --- a/tools/testing/selftests/futex/functional/robust_list.c +++ b/tools/testing/selftests/futex/functional/robust_list.c @@ -510,7 +510,7 @@ TEST(test_robust_list_multiple_elements) static int child_circular_list(void *arg) { static struct robust_list_head head;

• struct lock_struct a, b, c;

• static struct lock_struct a, b, c;

I believe that the right fix here would be to drop the static from `head` declaration, WDYT?