回复:KASAN: null-ptr-deref Write in tctx_task_work_run

2024-03-18 Thread Ubisectech Sirius
> I think you snipped the fault injection that came before this. It looks > like an allocation failure, so we don't get tsk->io_uring setup for the > SQPOLL thread. Not a great way to handle this, but can you try the > below? Would be nicer if we could just prune the task rather than wake > it and

Re: KASAN: null-ptr-deref Write in tctx_task_work_run

2024-03-17 Thread Jens Axboe
On 3/17/24 6:59 PM, Ubisectech Sirius wrote: > Hello. > We are Ubisectech Sirius Team, the vulnerability lab of China ValiantSec. > Recently, our team has discovered a issue in Linux kernel > 6.8.0-ge5e038b7ae9d. Attached to the email were a POC file of the issue. > > Stack dump: > >

KASAN: null-ptr-deref Write in tctx_task_work_run

2024-03-17 Thread Ubisectech Sirius
Hello. We are Ubisectech Sirius Team, the vulnerability lab of China ValiantSec. Recently, our team has discovered a issue in Linux kernel 6.8.0-ge5e038b7ae9d. Attached to the email were a POC file of the issue. Stack dump: ==