diff options
| author | Ocean Chen <oceanchen@google.com> | 2019-07-08 12:34:56 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-07-31 07:28:55 +0200 |
| commit | 6d94cefc3dc2775848feee2027868d0039865bb7 (patch) | |
| tree | 2e69480e63dccce5a3f296d60af6b976083177d3 /block | |
| parent | 29df800668ae2e0d7d0c8fb30b269c426a3887fd (diff) | |
f2fs: avoid out-of-range memory access
[ Upstream commit 56f3ce675103e3fb9e631cfb4131fc768bc23e9a ]
blkoff_off might over 512 due to fs corrupt or security
vulnerability. That should be checked before being using.
Use ENTRIES_IN_SUM to protect invalid value in cur_data_blkoff.
Signed-off-by: Ocean Chen <oceanchen@google.com>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions