diff options
| author | Tetsuo Handa | 2024-01-03 10:52:22 +0900 |
|---|---|---|
| committer | Andrew Morton | 2024-01-05 09:58:32 -0800 |
| commit | 7fba9420b726561966e1671004df60a08b39beb3 (patch) | |
| tree | eca181f2b279f9b10c5aa5b9f698b551e9a1f1a1 /arch/s390 | |
| parent | 5b8fbf50a54b02e09eb64679defdebd4bc7dfe8a (diff) | |
mm: shrinker: use kvzalloc_node() from expand_one_shrinker_info()
syzbot is reporting uninit-value at shrinker_alloc(), for commit
307bececcd12 ("mm: shrinker: add a secondary array for
shrinker_info::{map, nr_deferred}") which assumed that the ->unit was
allocated with __GFP_ZERO forgot to replace kvmalloc_node() in
expand_one_shrinker_info() with kvzalloc_node().
Link: https://lkml.kernel.org/r/9226cc0a-10e0-4489-80c5-58c3b5b4359c@I-love.SAKURA.ne.jp
Reported-by: syzbot <syzbot+1e0ed05798af62917464@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=1e0ed05798af62917464
Fixes: 307bececcd12 ("mm: shrinker: add a secondary array for shrinker_info::{map, nr_deferred}")
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: Qi Zheng <zhengqi.arch@bytedance.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'arch/s390')
0 files changed, 0 insertions, 0 deletions