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selftests/futex: Give circular-list nodes static storage

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The registered robust-list head has static storage but points at three
automatic lock nodes. GCC warns about storing the address of a local
variable in the static head when building the selftest with -Wall.

Give the nodes static storage as well. This keeps every object in the
circular list alive through child exit without changing the list topology.

Signed-off-by: Miles Krause <mileskrause5200@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: André Almeida <andrealmeid@igalia.com>
Link: https://patch.msgid.link/20260711-futex-robust-list-static-nodes-v1-1-723754d75cf5@gmail.com
This commit is contained in:
Miles Krause
2026-07-20 21:03:19 +02:00
committed by Thomas Gleixner
parent 23dd3f8849
commit d1c656df36
1 changed files with 1 additions and 1 deletions
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tools/testing/selftests/futex/functional/robust_list.c
+1 -1
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@@ -536,8 +536,8 @@ static int child_circular_list(void *arg)
{
struct child_args *cargs = arg;
struct __test_metadata *_metadata = cargs->_metadata;
static struct lock_struct a, b, c;
struct robust_list_head head;
struct lock_struct a, b, c;
int ret;
free(cargs);