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| author | Levi Yun <[email protected]> | 2024-05-06 04:10:59 +0000 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2024-05-08 09:19:43 +0000 |
| commit | d7ad05c86e2191bd66e5b62fca8da53c4a53484f (patch) | |
| tree | 059c0c94610cd072eaf552d1b3f845f8e4238abe /fs/btrfs/tree-mod-log.c | |
| parent | Linux 6.9-rc7 (diff) | |
| download | kernel-d7ad05c86e2191bd66e5b62fca8da53c4a53484f.tar.gz kernel-d7ad05c86e2191bd66e5b62fca8da53c4a53484f.zip | |
timers/migration: Prevent out of bounds access on failure
When tmigr_setup_groups() fails the level 0 group allocation, then the
cleanup derefences index -1 of the local stack array.
Prevent this by checking the loop condition first.
Fixes: 7ee988770326 ("timers: Implement the hierarchical pull model")
Signed-off-by: Levi Yun <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Reviewed-by: Anna-Maria Behnsen <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'fs/btrfs/tree-mod-log.c')
0 files changed, 0 insertions, 0 deletions