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| author | Brian Foster <[email protected]> | 2017-07-24 15:33:25 +0000 |
|---|---|---|
| committer | Darrick J. Wong <[email protected]> | 2017-07-24 15:33:25 +0000 |
| commit | cfaf2d034360166e569a4929dd83ae9698bed856 (patch) | |
| tree | cc5ce3e05fd30ba3737fe59c03fc061876c08300 /tools/perf/scripts/python/compaction-times.py | |
| parent | xfs: check _alloc_read_agf buffer pointer before using (diff) | |
| download | kernel-cfaf2d034360166e569a4929dd83ae9698bed856.tar.gz kernel-cfaf2d034360166e569a4929dd83ae9698bed856.zip | |
xfs: fix quotacheck dquot id overflow infinite loop
If a dquot has an id of U32_MAX, the next lookup index increment
overflows the uint32_t back to 0. This starts the lookup sequence
over from the beginning, repeats indefinitely and results in a
livelock.
Update xfs_qm_dquot_walk() to explicitly check for the lookup
overflow and exit the loop.
Signed-off-by: Brian Foster <[email protected]>
Reviewed-by: Darrick J. Wong <[email protected]>
Signed-off-by: Darrick J. Wong <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/compaction-times.py')
0 files changed, 0 insertions, 0 deletions