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| author |   Jan Kara <jack@suse.cz> | 2013-05-31 19:37:56 -0400 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2013-05-31 19:37:56 -0400 |
| commit | e7293fd146846e2a44d29e0477e0860c60fb856b (patch) | |
| tree | 7216115993c95f6648bd58fdbae91527ffedbb18 /fs/jbd2/commit.c | |
| parent | ext4: fix data offset overflow on 32-bit archs in ext4_inline_data_fiemap() (diff) | |
| download | linux-rng-e7293fd146846e2a44d29e0477e0860c60fb856b.tar.xz linux-rng-e7293fd146846e2a44d29e0477e0860c60fb856b.zip | |
ext4: fix overflows in SEEK_HOLE, SEEK_DATA implementations
ext4_lblk_t is just u32 so multiplying it by blocksize can easily
overflow for files larger than 4 GB. Fix that by properly typing the
block offsets before shifting.
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Diffstat (limited to 'fs/jbd2/commit.c')
0 files changed, 0 insertions, 0 deletions