diff options
| author | Nirmoy Das <[email protected]> | 2024-08-06 13:07:22 +0200 |
|---|---|---|
| committer | Rodrigo Vivi <[email protected]> | 2024-09-12 10:06:30 -0400 |
| commit | 062d59eb96b24990429c13706cb74ef09cec7e99 (patch) | |
| tree | 044942a97dc537c95b1868b276f2ab6a39f19f0b | |
| parent | 5e2d1d4dc1c15da3e1e3dc09dc3c1276274439b2 (diff) | |
drm/xe: Fix access_ok check in user_fence_create
Check size of the data not size of the pointer.
Reported-by: kernel test robot <[email protected]>
Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
Fixes: ddeb7989a98f ("drm/xe: Validate user fence during creation")
Cc: Matthew Auld <[email protected]>
Cc: Matthew Brost <[email protected]>
Reviewed-by: Matthew Auld <[email protected]>
Reviewed-by: Tejas Upadhyay <[email protected]>
Reviewed-by: Apoorva Singh <[email protected]>
Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
Signed-off-by: Nirmoy Das <[email protected]>
(cherry picked from commit e102b5ed6e283a144793cab8fcd95f61d0ddbadb)
Signed-off-by: Rodrigo Vivi <[email protected]>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sync.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index e8d31e010860..80499681bd58 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -55,7 +55,7 @@ static struct xe_user_fence *user_fence_create(struct xe_device *xe, u64 addr, struct xe_user_fence *ufence; u64 __user *ptr = u64_to_user_ptr(addr); - if (!access_ok(ptr, sizeof(ptr))) + if (!access_ok(ptr, sizeof(*ptr))) return ERR_PTR(-EFAULT); ufence = kmalloc(sizeof(*ufence), GFP_KERNEL); |