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| author |  Chao Yu <chao@kernel.org>
| 2021-12-06 22:44:21 +0800 |
|---|---|---|
| committer |  Jaegeuk Kim <jaegeuk@kernel.org>
| 2021-12-10 15:48:33 -0800 |
| commit | 77900c45ee5cd5da63bd4d818a41dbdf367e81cd (patch) | |
| tree | 48ea8d06618ffb54b87dd5b02407ccc258d04bbb /fs/f2fs/sysfs.c | |
| parent | f2fs: fix to avoid panic in is_alive() if metadata is inconsistent (diff) | |
| download | linux-77900c45ee5cd5da63bd4d818a41dbdf367e81cd.tar.gz linux-77900c45ee5cd5da63bd4d818a41dbdf367e81cd.tar.bz2 linux-77900c45ee5cd5da63bd4d818a41dbdf367e81cd.zip | |
f2fs: fix to do sanity check in is_alive()
In fuzzed image, SSA table may indicate that a data block belongs to
invalid node, which node ID is out-of-range (0, 1, 2 or max_nid), in
order to avoid migrating inconsistent data in such corrupted image,
let's do sanity check anyway before data block migration.
Cc: stable@vger.kernel.org
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/sysfs.c')
0 files changed, 0 insertions, 0 deletions