diff options
| author | Chandan Rajendra <[email protected]> | 2016-11-14 21:26:26 -0500 |
|---|---|---|
| committer | Theodore Ts'o <[email protected]> | 2016-11-14 21:26:26 -0500 |
| commit | 30a9d7afe70ed6bd9191d3000e2ef1a34fb58493 (patch) | |
| tree | 9c8c589c6c34e4846d06b2967a5392f32a479831 /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | 69e43e8cc971a79dd1ee5d4343d8e63f82725123 (diff) | |
ext4: fix stack memory corruption with 64k block size
The number of 'counters' elements needed in 'struct sg' is
super_block->s_blocksize_bits + 2. Presently we have 16 'counters'
elements in the array. This is insufficient for block sizes >= 32k. In
such cases the memcpy operation performed in ext4_mb_seq_groups_show()
would cause stack memory corruption.
Fixes: c9de560ded61f
Signed-off-by: Chandan Rajendra <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Cc: [email protected]
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions