* [merged mm-stable] cgroup-fix-an-error-handling-path-in-alloc_pagecache_max_30m.patch removed from -mm tree
@ 2022-05-26 21:03 Andrew Morton
0 siblings, 0 replies; only message in thread
From: Andrew Morton @ 2022-05-26 21:03 UTC (permalink / raw)
To: mm-commits, void, tj, songmuchun, shuah, shakeelb,
roman.gushchin, mhocko, lizefan.x, hannes, dan.carpenter, akpm,
christophe.jaillet, akpm
The quilt patch titled
Subject: cgroup: fix an error handling path in alloc_pagecache_max_30M()
has been removed from the -mm tree. Its filename was
cgroup-fix-an-error-handling-path-in-alloc_pagecache_max_30m.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Subject: cgroup: fix an error handling path in alloc_pagecache_max_30M()
Date: Sun, 22 May 2022 16:18:51 +0200
If the first goto is taken, 'fd' is not opened yet (and is un-initialized).
So a direct return is safer.
Link: https://lkml.kernel.org/r/628312312eb40e0e39463a2c06415fde5295c716.1653229120.git.christophe.jaillet@wanadoo.fr
Fixes: c1a31a2f7a9c ("cgroup: fix racy check in alloc_pagecache_max_30M() helper function")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: Michal Hocko <mhocko@kernel.org>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Cc: Tejun Heo <tj@kernel.org>
Cc: Zefan Li <lizefan.x@bytedance.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: David Vernet <void@manifault.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
tools/testing/selftests/cgroup/test_memcontrol.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/tools/testing/selftests/cgroup/test_memcontrol.c~cgroup-fix-an-error-handling-path-in-alloc_pagecache_max_30m
+++ a/tools/testing/selftests/cgroup/test_memcontrol.c
@@ -574,7 +574,7 @@ static int alloc_pagecache_max_30M(const
high = cg_read_long(cgroup, "memory.high");
max = cg_read_long(cgroup, "memory.max");
if (high != MB(30) && max != MB(30))
- goto cleanup;
+ return -1;
fd = get_temp_fd();
if (fd < 0)
_
Patches currently in -mm which might be from christophe.jaillet@wanadoo.fr are
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2022-05-26 21:03 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-05-26 21:03 [merged mm-stable] cgroup-fix-an-error-handling-path-in-alloc_pagecache_max_30m.patch removed from -mm tree Andrew Morton
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.