Re: [PATCH] bpf: don't call mmap_read_trylock() from IRQ context

[Tetsuo Handa]

On 2024/06/08 20:04, Tetsuo Handa wrote:
> On 2024/06/08 19:53, Tetsuo Handa wrote:
>> inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage.
> 
> Oops, "inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage." example was
> found at https://syzkaller.appspot.com/text?tag=CrashReport&x=14f0179a980000 .
> 
> Then, do we want to
> 
> -	if (in_hardirq()) {
> +	if (!in_task()) {
> 
> instead?
> 

"inconsistent {HARDIRQ-ON-W} -> {IN-HARDIRQ-W} usage." upon unlock from IRQ work
was reported at https://syzkaller.appspot.com/bug?extid=40905bca570ae6784745 .