diff options
| author | Konstantin Khlebnikov <[email protected]> | 2019-02-27 11:10:20 +0300 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2019-04-19 13:42:10 +0200 |
| commit | 1a8b4540db732ca16c9e43ac7c08b1b8f0b252d8 (patch) | |
| tree | 872de05aa4f62392f99ff31a4ac5c28bbdd0a9d6 /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 5b61d50ab4ef590f5e1d4df15cd2cea5f5715308 (diff) | |
sched/core: Check quota and period overflow at usec to nsec conversion
Large values could overflow u64 and pass following sanity checks.
# echo 18446744073750000 > cpu.cfs_period_us
# cat cpu.cfs_period_us
40448
# echo 18446744073750000 > cpu.cfs_quota_us
# cat cpu.cfs_quota_us
40448
After this patch they will fail with -EINVAL.
Signed-off-by: Konstantin Khlebnikov <[email protected]>
Acked-by: Peter Zijlstra <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Link: http://lkml.kernel.org/r/155125502079.293431.3947497929372138600.stgit@buzz
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions