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(parent: 7dd1f7f) | patch
mm: zswap: warn when referencing a dead entry
authorJohannes Weiner <hannes@cmpxchg.org>
Tue, 30 Jan 2024 01:36:40 +0000 (20:36 -0500)
committerAndrew Morton <akpm@linux-foundation.org>
Thu, 22 Feb 2024 18:24:42 +0000 (10:24 -0800)
commite477559ca602a033e3970ebdbbfb39773345d694
tree87b0e3253878c9841ed1ac427822be21240875e9tree | snapshot
parent7dd1f7f0fc1c98525cbadf954eb6b7672ad4aceacommit | diff
mm: zswap: warn when referencing a dead entry

Put a standard sanity check on zswap_entry_get() for UAF scenario.

Link: https://lkml.kernel.org/r/20240130014208.565554-5-hannes@cmpxchg.org
Signed-off-by: Johannes Weiner <hannes@cmpxchg.org>
Reviewed-by: Nhat Pham <nphamcs@gmail.com>
Acked-by: Yosry Ahmed <yosryahmed@google.com>
Reviewed-by: Chengming Zhou <zhouchengming@bytedance.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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