futex: Allow to resize the private local hash
On 2025-06-01 15:39:47 [+0800], Lai, Yi wrote:
> Hi Sebastian Andrzej Siewior,
Hi Yi,
> Greetings!
>
> I used Syzkaller and found that there is KASAN: null-ptr-deref Read in __futex_pivot_hash in linux-next next-20250527.
>
> After bisection and the first bad commit is:
> "
> bd54df5ea7ca futex: Allow to resize the private local hash
> "
Thank you for the report. Next time please trim your report. There is no
need to put your report in the middle of the patch.
The following fixes it:
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20250602110027.wfqbHgzb@linutronix.de
1 file changed
