---
mm/madvise.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/mm/madvise.c b/mm/madvise.c
index 549b36d1463c..49d12f98b677 100644
--- a/mm/madvise.c
+++ b/mm/madvise.c
@@ -1535,20 +1535,20 @@ SYSCALL_DEFINE5(process_madvise, int, pidfd, const struct iovec __user *, vec,
goto free_iov;
}
+ /* Require PTRACE_MODE_READ to avoid leaking ASLR metadata. */
+ mm = mm_access(task, PTRACE_MODE_READ_FSCREDS);
+ if (IS_ERR_OR_NULL(mm)) {
+ ret = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
+ goto release_task;
+ }
+
/*
* We need only perform this check if we are attempting to manipulate a
* remote process's address space.
*/
if (mm != current->mm && !process_madvise_remote_valid(behavior)) {
ret = -EINVAL;
- goto release_task;
- }
-
- /* Require PTRACE_MODE_READ to avoid leaking ASLR metadata. */
- mm = mm_access(task, PTRACE_MODE_READ_FSCREDS);
- if (IS_ERR_OR_NULL(mm)) {
- ret = IS_ERR(mm) ? PTR_ERR(mm) : -ESRCH;
- goto release_task;
+ goto release_mm;
}
/*
--
2.46.0
