diff options
| author | Johannes Weiner <hannes@cmpxchg.org> | 2024-01-29 20:34:38 -0500 |
|---|---|---|
| committer | Andrew Morton <akpm@linux-foundation.org> | 2024-02-07 21:20:35 -0800 |
| commit | 2e601e1e8e4b330020a346c55ba111d49e0b188e (patch) | |
| tree | 7516700287f584302bb93ce534f3b67df5405b7d /.mailmap | |
| parent | 4c2da3188b848d33c26d7f0f8b14f3150331c923 (diff) | |
mm: zswap: fix objcg use-after-free in entry destruction
In the per-memcg LRU universe, LRU removal uses entry->objcg to determine
which list count needs to be decreased. Drop the objcg reference after
updating the LRU, to fix a possible use-after-free.
Link: https://lkml.kernel.org/r/20240130013438.565167-1-hannes@cmpxchg.org
Fixes: a65b0e7607cc ("zswap: make shrinking memcg-aware")
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to '.mailmap')
0 files changed, 0 insertions, 0 deletions