Re: [syzbot] INFO: task hung in io_uring_cancel_generic (2)

Jens Axboe
2021-12-09T03:45:33Z

On 12/8/21 7:51 PM, Josef Bacik wrote:
> On Wed, Dec 08, 2021 at 02:12:09PM -0800, syzbot wrote:
>> syzbot has bisected this issue to:
>>
>> commit 741ec653ab58f5f263f2b6df38157997661c7a50
>> Author: Qu Wenruo <wqu@suse.com>
>> Date: Mon Sep 27 07:22:01 2021 +0000
>>
>> btrfs: subpage: make end_compressed_bio_writeback() compatible
>>
>
> This isn't the right patch, this is x86 so sectorsize == pagesize, so this patch
> didn't change anything at all. Also unless the local fs is btrfs with
> compression enabled I'm not entirely sure how this would even matter, the
> reproducer seems to be purely io_uring related. Thanks,

Yeah, it's not btrfs, it's just one of those "bisect gone awry" cases. btrfs
guys can ignore this one.

--
Jens Axboe