diff options
| author | Brian Foster <bfoster@redhat.com> | 2017-07-24 08:33:25 -0700 |
|---|---|---|
| committer | Darrick J. Wong <darrick.wong@oracle.com> | 2017-07-24 08:33:25 -0700 |
| commit | cfaf2d034360166e569a4929dd83ae9698bed856 (patch) | |
| tree | cc5ce3e05fd30ba3737fe59c03fc061876c08300 /kernel/bounds.c | |
| parent | 10479e2dea83d4c421ad05dfc55d918aa8dfc0cd (diff) | |
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 <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'kernel/bounds.c')
0 files changed, 0 insertions, 0 deletions