https://github.com/torvalds/linux
Revision dd4d747ef05addab887dc8ff0d6ab9860bbcd783 authored by Nadezda Lutovinova on 21 September 2021, 15:51:53 UTC, committed by Guenter Roeck on 02 October 2021, 12:14:11 UTC
If driver read tmp value sufficient for (tmp & 0x08) && (!(tmp & 0x80)) && ((tmp & 0x7) == ((tmp >> 4) & 0x7)) from device then Null pointer dereference occurs. (It is possible if tmp = 0b0xyz1xyz, where same literals mean same numbers) Also lm75[] does not serve a purpose anymore after switching to devm_i2c_new_dummy_device() in w83791d_detect_subclients(). The patch fixes possible NULL pointer dereference by removing lm75[]. Found by Linux Driver Verification project (linuxtesting.org). Cc: stable@vger.kernel.org Signed-off-by: Nadezda Lutovinova <lutovinova@ispras.ru> Link: https://lore.kernel.org/r/20210921155153.28098-3-lutovinova@ispras.ru [groeck: Dropped unnecessary continuation lines, fixed multi-line alignments] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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Tip revision: dd4d747ef05addab887dc8ff0d6ab9860bbcd783 authored by Nadezda Lutovinova on 21 September 2021, 15:51:53 UTC
hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field
hwmon: (w83793) Fix NULL pointer dereference by removing unnecessary structure field
Tip revision: dd4d747
| File | Mode | Size |
|---|---|---|
| genheaders | ||
| mdp | ||
| Makefile | -rw-r--r-- | 67 bytes |
| README | -rw-r--r-- | 107 bytes |
| install_policy.sh | -rwxr-xr-x | 2.3 KB |
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