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| author | Guixin Liu <kanie@linux.alibaba.com> | 2024-12-18 04:42:14 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2025-01-11 02:03:35 +0300 |
| commit | 1e95c798d8a7f70965f0f88d4657b682ff0ec75f (patch) | |
| tree | 0ac6289b73782aad2484e85366a176a9d6c7f67d | |
| parent | fcf247deb3c3e1c6be5774e3fa03bbd018eff1a9 (diff) | |
| download | linux-1e95c798d8a7f70965f0f88d4657b682ff0ec75f.tar.xz | |
scsi: ufs: bsg: Set bsg_queue to NULL after removal
Currently, this does not cause any issues, but I believe it is necessary to
set bsg_queue to NULL after removing it to prevent potential use-after-free
(UAF) access.
Signed-off-by: Guixin Liu <kanie@linux.alibaba.com>
Link: https://lore.kernel.org/r/20241218014214.64533-3-kanie@linux.alibaba.com
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/ufs/core/ufs_bsg.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/ufs/core/ufs_bsg.c b/drivers/ufs/core/ufs_bsg.c index 58023f735c19..8d4ad0a3f2cf 100644 --- a/drivers/ufs/core/ufs_bsg.c +++ b/drivers/ufs/core/ufs_bsg.c @@ -216,6 +216,7 @@ void ufs_bsg_remove(struct ufs_hba *hba) return; bsg_remove_queue(hba->bsg_queue); + hba->bsg_queue = NULL; device_del(bsg_dev); put_device(bsg_dev); |