6.6-stable review patch. If anyone has any objections, please let me know.
------------------
From: Jesse Zhang <jesse.zhang@xxxxxxx>
[ Upstream commit ea686fef5489ef7a2450a9fdbcc732b837fb46a8 ]
Converting size from size_t to int may overflow.
v2: keep reverse xmas tree order (Christian)
Signed-off-by: Jesse Zhang <jesse.zhang@xxxxxxx>
Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 418ff7cd662da..1c2c9ff9d39df 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2052,12 +2052,13 @@ static ssize_t amdgpu_reset_dump_register_list_write(struct file *f,
struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private;
char reg_offset[11];
uint32_t *new = NULL, *tmp = NULL;
- int ret, i = 0, len = 0;
+ unsigned int len = 0;
+ int ret, i = 0;
do {
memset(reg_offset, 0, 11);
if (copy_from_user(reg_offset, buf + len,
- min(10, ((int)size-len)))) {
+ min(10, (size-len)))) {
ret = -EFAULT;
goto error_free;
}
--
2.43.0
