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| author | Sebastian Andrzej Siewior <bigeasy@linutronix.de> | 2025-02-13 15:50:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-02-15 17:46:32 +0100 |
| commit | 400188ae361a9d9a72a47a6cedaf2d2efcc84aa8 (patch) | |
| tree | a1c6ee54247791f6b519b2f7e15a5d827bf99d74 /tools/perf/scripts/python/task-analyzer.py | |
| parent | a64dcfb451e254085a7daee5fe51bf22959d52d3 (diff) | |
kernfs: Acquire kernfs_rwsem in kernfs_notify_workfn().
kernfs_notify_workfn() dereferences kernfs_node::name and passes it
later to fsnotify(). If the node is renamed then the previously observed
name pointer becomes invalid.
Acquire kernfs_root::kernfs_rwsem to block renames of the node.
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Link: https://lore.kernel.org/r/20250213145023.2820193-2-bigeasy@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions