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| author | Alexei Safin <a.safin@rosa.ru> | 2025-04-24 23:26:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 15:40:18 +0200 |
| commit | 7eeb3df6f07a886bdfd52757ede127a59a8784dc (patch) | |
| tree | 6633277343b26f2974cfe0387a2c0a347b8515c7 /tools/perf/scripts/python | |
| parent | 49482f4a39620f6afedcd3f6aa9e0d558b6a460b (diff) | |
hwmon: (asus-ec-sensors) check sensor index in read_string()
[ Upstream commit 25be318324563c63cbd9cb53186203a08d2f83a1 ]
Prevent a potential invalid memory access when the requested sensor
is not found.
find_ec_sensor_index() may return a negative value (e.g. -ENOENT),
but its result was used without checking, which could lead to
undefined behavior when passed to get_sensor_info().
Add a proper check to return -EINVAL if sensor_index is negative.
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Fixes: d0ddfd241e57 ("hwmon: (asus-ec-sensors) add driver for ASUS EC")
Signed-off-by: Alexei Safin <a.safin@rosa.ru>
Link: https://lore.kernel.org/r/20250424202654.5902-1-a.safin@rosa.ru
[groeck: Return error code returned from find_ec_sensor_index]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python')
0 files changed, 0 insertions, 0 deletions