On 29.07.24 12:51, Bert Karwatzki wrote:
> Am Mittwoch, dem 24.07.2024 um 11:36 +0200 schrieb Linux regression tracking
> (Thorsten Leemhuis):
>>
>> On 19.07.24 01:46, sean.wang@xxxxxxxxxx wrote:
>>> From: Sean Wang <sean.wang@xxxxxxxxxxxx>
>>>
>>> Fix null pointer access in mt792x_mac_link_bss_remove.
>>>
>>> To prevent null pointer access, we should assign the vif to bss_conf in
>>> mt7921_add_interface. This ensures that subsequent operations on the BSS
>>> can properly reference the correct vif.
>>>
>>> [...]
>>>> Fixes: 1541d63c5fe2 ("wifi: mt76: mt7925: add
>> mt7925_mac_link_bss_remove to remove per-link BSS")
>>> Reported-by: Bert Karwatzki <spasswolf@xxxxxx>
>>> Closes: https://lore.kernel.org/linux-wireless/2fee61f8c903d02a900ca3188c3742c7effd102e.camel@xxxxxx/#b
>>> Signed-off-by: Sean Wang <sean.wang@xxxxxxxxxxxx>
>>
>> TWIMC, Mike (now CCed) ran into the problem and on bugzilla confirmed
>> that this fixes the problem:
>>
>> https://bugzilla.kernel.org/show_bug.cgi?id=219084
>> https://lore.kernel.org/all/CAHbf0-HOS-jdRGvJOBmEgaaox3PDbDSTgnnZkZF9pz37Bmh2iw@xxxxxxxxxxxxxx/
>
> Unfortunately this NULL pointer dereference made it into linux-6.11-rc1.
Thx for letting us known. Seems this happened due to unlucky timing. But
the fix afaics will be part of this weeks -net pull , so it should be
fixed by -rc2 unless something odd happens. Ciao, Thorsten
