The patch titled
Subject: mm/madvise: fix memory leak from process_madvise
has been added to the -mm tree. Its filename is
mm-madvise-fix-memory-leak-from-process_madvise.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/mm-madvise-fix-memory-leak-from-process_madvise.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/mm-madvise-fix-memory-leak-from-process_madvise.patch
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------------------------------------------------------
From: Eric Dumazet <edumazet@xxxxxxxxxx>
Subject: mm/madvise: fix memory leak from process_madvise
The eary return in process_madvise will produce memory leak. Fix it.
Link: https://lkml.kernel.org/r/20201116155132.GA3805951@xxxxxxxxxx
Fixes: ecb8ac8b1f14 ("mm/madvise: introduce process_madvise() syscall: an external memory hinting API")
Signed-off-by: Eric Dumazet <edumazet@xxxxxxxxxx>
Signed-off-by: Minchan Kim <minchan@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/madvise.c | 2 --
1 file changed, 2 deletions(-)
--- a/mm/madvise.c~mm-madvise-fix-memory-leak-from-process_madvise
+++ a/mm/madvise.c
@@ -1231,8 +1231,6 @@ SYSCALL_DEFINE5(process_madvise, int, pi
ret = total_len - iov_iter_count(&iter);
mmput(mm);
- return ret;
-
release_task:
put_task_struct(task);
put_pid:
_
Patches currently in -mm which might be from edumazet@xxxxxxxxxx are
mm-madvise-fix-memory-leak-from-process_madvise.patch
