| Message ID | alpine.LRH.2.02.2207241431590.26078@file01.intranet.prod.int.rdu2.redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Song Liu |
| Headers | show |
| Series | dm-raid: fix address sanitizer warning in raid_resume | expand |
Index: linux-2.6/drivers/md/dm-raid.c =================================================================== --- linux-2.6.orig/drivers/md/dm-raid.c 2022-07-23 15:22:37.000000000 +0200 +++ linux-2.6/drivers/md/dm-raid.c 2022-07-23 15:23:09.000000000 +0200 @@ -3819,7 +3819,7 @@ static void attempt_restore_of_faulty_de memset(cleared_failed_devices, 0, sizeof(cleared_failed_devices)); - for (i = 0; i < mddev->raid_disks; i++) { + for (i = 0; i < rs->raid_disks; i++) { r = &rs->dev[i].rdev; /* HM FIXME: enhance journal device recovery processing */ if (test_bit(Journal, &r->flags))
There is a KASAN warning in raid_resume when running the lvm test lvconvert-raid.sh. The reason for the warning is that mddev->raid_disks is greater than rs->raid_disks, so the loop touches one entry beyond the allocated length. Signed-off-by: Mikulas Patocka <mpatocka@redhat.com> Cc: stable@vger.kernel.org --- drivers/md/dm-raid.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)