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Tetsuo Handa authored
syzbot is reporting uninit-value at shrinker_alloc(), for commit
307becec ("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: default avatarsyzbot <syzbot+1e0ed05798af62917464@syzkaller.appspotmail.com>
Closes: https://syzkaller.appspot.com/bug?extid=1e0ed05798af62917464


Fixes: 307becec ("mm: shrinker: add a secondary array for shrinker_info::{map, nr_deferred}")
Signed-off-by: default avatarTetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Acked-by: default avatarQi Zheng <zhengqi.arch@bytedance.com>
Cc: Muchun Song <songmuchun@bytedance.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
7fba9420
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