Re: [syzbot] general protection fault in __io_arm_poll_handler

From: Jens Axboe
Date: Fri Sep 03 2021 - 20:49:19 EST

On 9/3/21 5:47 PM, syzbot wrote:
> Hello,
> syzbot has tested the proposed patch and the reproducer did not trigger any issue:
> Reported-and-tested-by: syzbot+ba74b85fa15fd7a96437@xxxxxxxxxxxxxxxxxxxxxxxxx
> Tested on:
> commit: 31efe48e io_uring: fix possible poll event lost in mul..
> git tree: git:// for-5.15/io_uring
> kernel config:
> dashboard link:
> compiler: Debian clang version 11.0.1-2, GNU ld (GNU Binutils for Debian) 2.35.1
> Note: testing is done by a robot and is best-effort only.

Dmitry, I wonder if there's a way to have syzbot know about what it's
testing and be able to run the pending patches for that tree? I think
we're up to 4 reports now that are all just fallout from the same bug,
and where a patch has been queued up for a few days. Since they all look
different, I can't fault syzbot for thinking they are different, even if
they have the same root cause.

Any way we can make this situation better? I can't keep replying that we
should test the current branch, and it'd be a shame to have a ton of

Jens Axboe