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| author |   Dmitry Monakhov <dmonakhov@openvz.org> | 2014-04-13 15:41:13 -0400 |
|---|---|---|
| committer |   Theodore Ts'o <tytso@mit.edu> | 2014-04-13 15:41:13 -0400 |
| commit | a18ed359bdddcded4f97ff5e2f07793ff9336913 (patch) | |
| tree | e97441cbb56686a6d6b30cb562435f01ca6ddb8a /fs/ext4/balloc.c | |
| parent | ext4: fix error handling in ext4_ext_shift_extents (diff) | |
| download | linux-dev-a18ed359bdddcded4f97ff5e2f07793ff9336913.tar.xz linux-dev-a18ed359bdddcded4f97ff5e2f07793ff9336913.zip | |
ext4: always check ext4_ext_find_extent result
Where are some places where logic guaranties us that extent we are
searching exits, but this may not be true due to on-disk data
corruption. If such corruption happens we must prevent possible
null pointer dereferences.
Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/balloc.c')
0 files changed, 0 insertions, 0 deletions