diff options
| author | Fan Wu <fanwu01@zju.edu.cn> | 2026-08-02 03:54:42 +0000 |
|---|---|---|
| committer | Sebastian Reichel <sebastian.reichel@collabora.com> | 2026-08-04 00:56:57 +0200 |
| commit | 831c29a12d560f8a3225f43050b3fbb5dfd79c66 (patch) | |
| tree | f15ddd6ba04ecbb180130c69cd3854edd78374a4 /tools/perf/scripts/python/export-to-postgresql.py | |
| parent | 75b1e88d34254f4fb7753345e21bfee47abddd7f (diff) | |
power: supply: lp8788-charger: fix use-after-free on remove
lp8788_charger_remove() flushes charger_work before unregistering the
IRQs. An IRQ thread can queue charger_work after flush_work() has
returned. The work can then run after devres frees pchg and dereference
it in lp8788_charger_event().
Unregister the IRQs first. free_irq() waits for any running threaded
handler, so no handler can queue more work afterwards. Then use
cancel_work_sync() to cancel pending work or wait for running work to
finish.
This issue was found by an in-house static analysis tool.
Fixes: 98a276649358 ("power_supply: Add new lp8788 charger driver")
Cc: stable@vger.kernel.org
Assisted-by: Codex:gpt-5.6
Signed-off-by: Fan Wu <fanwu01@zju.edu.cn>
Link: https://patch.msgid.link/20260802035442.421697-1-fanwu01@zju.edu.cn
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions