mm/damon/{reclaim,lru_sort}: handle ctx allocation failures
Status from this message: [merged mm-hotfixes-stable] mm-damonn-lru_sort-handle-ctx-allocation-failure.patch removed from -mm tree
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Changes from RFC v1 from the cover letter
- RFC v1: https://lore.kernel.org/[email protected]
- Drop RFC tag.
Patches in v1 All 2 applied
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | mm/damon/reclaim: handle ctx allocation failuremm/ | +4 | 0 replies | Applied |
| 2/2 | mm/damonn/lru_sort: handle ctx allocation failuremm/ | +4 | 0 replies | Applied |
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Cover letter [PATCH 0/2] mm/damon/{reclaim,lru_sort}: handle ctx allocation failures
DAMON_RECLAIM and DAMON_LRU_SORT could dereference NULL pointers if their damon_ctx object allocations fail. The bug is expected to happen not frequently,, because the allocation is arguably too small to fail on common setup. But theoretically it is possible and the consequence is bad. Fix those.
The issue was discovered [1] by Sashiko.
[1] https://lore.kernel.org/[email protected]
Changes from RFC v1
- RFC v1: https://lore.kernel.org/[email protected]
- Drop RFC tag.
SeongJae Park (2):
mm/damon/reclaim: handle ctx allocation failure mm/damonn/lru_sort: handle ctx allocation failure
mm/damon/lru_sort.c | 4 ++++ mm/damon/reclaim.c | 4 ++++ 2 files changed, 8 insertions(+)
base-commit: 62a58b8764d8e485eee4c12d24ee107ef11c98f5
Signature · 1 line
2.47.3