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| author | Al Viro <[email protected]> | 2025-08-15 03:32:26 +0000 |
|---|---|---|
| committer | Al Viro <[email protected]> | 2025-08-19 16:00:07 +0000 |
| commit | da025cdb97a23c1916d8491925b878f3e1de0bca (patch) | |
| tree | 63cec32b7b9a1211bc67df47e6837f556fc87828 /drivers/net/ethernet/intel/igc/igc_main.c | |
| parent | fix the softlockups in attach_recursive_mnt() (diff) | |
| download | kernel-da025cdb97a23c1916d8491925b878f3e1de0bca.tar.gz kernel-da025cdb97a23c1916d8491925b878f3e1de0bca.zip | |
propagate_umount(): only surviving overmounts should be reparented
... as the comments in reparent() clearly say. As it is, we reparent
*all* overmounts of the mounts being taken out, including those that
are taken out themselves. It's not only a potentially massive slowdown
(on a pathological setup we might end up with O(N^2) time for N mounts
being kicked out), it can end up with incorrect ->overmount in the
surviving mounts.
Fixes: f0d0ba19985d "Rewrite of propagate_umount()"
Reviewed-by: Christian Brauner <[email protected]>
Signed-off-by: Al Viro <[email protected]>
Diffstat (limited to 'drivers/net/ethernet/intel/igc/igc_main.c')
0 files changed, 0 insertions, 0 deletions