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| author | Varun Gupta <varun.gupta@intel.com> | 2026-03-18 23:48:15 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2026-03-25 13:10:32 +0300 |
| commit | c3aa7b837920c844d5ae0dd3dbaeb465a461de40 (patch) | |
| tree | 748101b0f292ad81108c59e63aa193ed19a503f4 /drivers/gpu | |
| parent | f655467a9973f964b267871e5fef533ad5014494 (diff) | |
| download | linux-c3aa7b837920c844d5ae0dd3dbaeb465a461de40.tar.xz | |
drm/xe: Fix memory leak in xe_vm_madvise_ioctl
[ Upstream commit 0cfe9c4838f1147713f6b5c02094cd4dc0c598fa ]
When check_bo_args_are_sane() validation fails, jump to the new
free_vmas cleanup label to properly free the allocated resources.
This ensures proper cleanup in this error path.
Fixes: 293032eec4ba ("drm/xe/bo: Update atomic_access attribute on madvise")
Cc: stable@vger.kernel.org # v6.18+
Reviewed-by: Shuicheng Lin <shuicheng.lin@intel.com>
Signed-off-by: Varun Gupta <varun.gupta@intel.com>
Reviewed-by: Matthew Brost <matthew.brost@intel.com>
Link: https://patch.msgid.link/20260223175145.1532801-1-varun.gupta@intel.com
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
(cherry picked from commit 29bd06faf727a4b76663e4be0f7d770e2d2a7965)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
[ changed old goto target from `madv_fini` to `unlock_vm` ]
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_vm_madvise.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_vm_madvise.c b/drivers/gpu/drm/xe/xe_vm_madvise.c index fe7e1b45f5c0..9dc801f65712 100644 --- a/drivers/gpu/drm/xe/xe_vm_madvise.c +++ b/drivers/gpu/drm/xe/xe_vm_madvise.c @@ -390,7 +390,7 @@ int xe_vm_madvise_ioctl(struct drm_device *dev, void *data, struct drm_file *fil madvise_range.num_vmas, args->atomic.val)) { err = -EINVAL; - goto unlock_vm; + goto free_vmas; } } @@ -426,6 +426,7 @@ int xe_vm_madvise_ioctl(struct drm_device *dev, void *data, struct drm_file *fil err_fini: if (madvise_range.has_bo_vmas) drm_exec_fini(&exec); +free_vmas: kfree(madvise_range.vmas); madvise_range.vmas = NULL; unlock_vm: |