diff options
| author | Ming Lei <ming.lei@redhat.com> | 2021-10-25 10:54:23 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-11-02 14:43:12 -0600 |
| commit | 6f1637795f2827d36aec9e0246487f5852e8abf7 (patch) | |
| tree | a91d5e4e8ea97e1cc5a4f04ce9c313260ac38b79 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 494dbee341e7a02529ce776ee9a5e0b7733ca280 (diff) | |
zram: fix race between zram_reset_device() and disksize_store()
When the ->init_lock is released in zram_reset_device(), disksize_store()
can come in and try to allocate meta, but zram_reset_device() is freeing
free meta, so cause races.
Link: https://lore.kernel.org/linux-block/20210927163805.808907-1-mcgrof@kernel.org/T/#mc617f865a3fa2778e40f317ddf48f6447c20c073
Reported-by: Luis Chamberlain <mcgrof@kernel.org>
Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Link: https://lore.kernel.org/r/20211025025426.2815424-2-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions