mbox series

[v2,0/2] Fix slab-out-of-bounds Write in dbgfs_rm_context_write

Message ID 20221107165001.5717-1-sj@kernel.org (mailing list archive)
Headers show
Series Fix slab-out-of-bounds Write in dbgfs_rm_context_write | expand

Message

SeongJae Park Nov. 7, 2022, 4:49 p.m. UTC 
Changes from v1
(https://lore.kernel.org/damon/20221031182554.7882-1-sj@kernel.org/)
- Rebase on latest mm-unstable

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This patchset is for fixing (patch 1) the syzbot-reported
slab-out-of-bounds write in dbgfs_rm_context_write[1], and adding a
selftest for the bug (patch 2).

[1] https://lore.kernel.org/damon/000000000000ede3ac05ec4abf8e@google.com/

SeongJae Park (2):
  mm/damon/dbgfs: check if rm_contexts input is for a real context
  selftests/damon: test non-context inputs to rm_contexts file

 mm/damon/dbgfs.c                              |  7 +++++++
 tools/testing/selftests/damon/Makefile        |  1 +
 .../damon/debugfs_rm_non_contexts.sh          | 19 +++++++++++++++++++
 3 files changed, 27 insertions(+)
 create mode 100755 tools/testing/selftests/damon/debugfs_rm_non_contexts.sh