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| author | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-07-21 13:58:19 +0800 |
| commit | 74b60e9f6f938d0cd4c7a71e583aee3cc6c5fbba (patch) | |
| tree | 15cbca70f3f6d7e10da7d82154a78e6ca35dca8c /fs/nilfs2/the_nilfs.c | |
| parent | f24f1475658431d60bcd4e6e5de951ba1663dd43 (diff) | |
| parent | 1d508e233d21a7848cf54d7d03b40dac2d9ea873 (diff) | |
Merge branch 'linux-linaro-lsk-v4.1' into linux-linaro-lsk-v4.1-rtlsk-v4.1-16.07-rt
Conflicts:
mm/swap.c
Diffstat (limited to 'fs/nilfs2/the_nilfs.c')
| -rw-r--r-- | fs/nilfs2/the_nilfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c index 69bd801afb53..37e49cb2ac4c 100644 --- a/fs/nilfs2/the_nilfs.c +++ b/fs/nilfs2/the_nilfs.c @@ -443,7 +443,7 @@ static int nilfs_valid_sb(struct nilfs_super_block *sbp) if (!sbp || le16_to_cpu(sbp->s_magic) != NILFS_SUPER_MAGIC) return 0; bytes = le16_to_cpu(sbp->s_bytes); - if (bytes > BLOCK_SIZE) + if (bytes < sumoff + 4 || bytes > BLOCK_SIZE) return 0; crc = crc32_le(le32_to_cpu(sbp->s_crc_seed), (unsigned char *)sbp, sumoff); |