From e72b793ae440f6900fb17a4b8518c707b5cd3e17 Mon Sep 17 00:00:00 2001 From: Mikulas Patocka Date: Thu, 9 Jul 2026 21:35:06 +0200 Subject: [PATCH] dm-verity: fix a possible NULL pointer dereference Fix a possible NULL pointer dereference dm_verity_loadpin_is_bdev_trusted if the device has no table. Signed-off-by: Mikulas Patocka Assisted-by: Claude:claude-opus-4-6 Fixes: b6c1c5745ccc ("dm: Add verity helpers for LoadPin") Cc: stable@vger.kernel.org --- drivers/md/dm-verity-loadpin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/md/dm-verity-loadpin.c b/drivers/md/dm-verity-loadpin.c index 0666699b6858..9a64f575ae5f 100644 --- a/drivers/md/dm-verity-loadpin.c +++ b/drivers/md/dm-verity-loadpin.c @@ -70,7 +70,7 @@ bool dm_verity_loadpin_is_bdev_trusted(struct block_device *bdev) table = dm_get_live_table(md, &srcu_idx); - if (table->num_targets != 1) + if (!table || table->num_targets != 1) goto out; ti = dm_table_get_target(table, 0); -- 2.47.3