linux-kernel - [syzbot] Monthly io-uring report

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Message-ID: <000000000000bb028805f7dfab35@google.com>
Date:   Mon, 27 Mar 2023 04:01:54 -0700
From:   syzbot <syzbot+lista29bb0eabb2ddbae6f4a@...kaller.appspotmail.com>
To:     axboe@...nel.dk, io-uring@...r.kernel.org,
        linux-kernel@...r.kernel.org, syzkaller-bugs@...glegroups.com
Subject: [syzbot] Monthly io-uring report

Hello io-uring maintainers/developers,

This is a 30-day syzbot report for the io-uring subsystem.
All related reports/information can be found at:
https://syzkaller.appspot.com/upstream/s/io-uring

During the period, 5 new issues were detected and 0 were fixed.
In total, 49 issues are still open and 105 have been fixed so far.

Some of the still happening issues:

Crashes Repro Title
3393    Yes   WARNING in io_ring_exit_work
              https://syzkaller.appspot.com/bug?extid=00e15cda746c5bc70e24
3241    Yes   general protection fault in try_to_wake_up (2)
              https://syzkaller.appspot.com/bug?extid=b4a81dc8727e513f364d
1873    Yes   WARNING in split_huge_page_to_list (2)
              https://syzkaller.appspot.com/bug?extid=07a218429c8d19b1fb25
772     Yes   INFO: task hung in io_ring_exit_work
              https://syzkaller.appspot.com/bug?extid=93f72b3885406bb09e0d
718     Yes   KASAN: use-after-free Read in io_poll_remove_entries
              https://syzkaller.appspot.com/bug?extid=cd301bb6523ea8cc8ca2
443     Yes   KMSAN: uninit-value in io_req_cqe_overflow
              https://syzkaller.appspot.com/bug?extid=12dde80bf174ac8ae285
73      Yes   INFO: task hung in io_wq_put_and_exit (3)
              https://syzkaller.appspot.com/bug?extid=adb05ed2853417be49ce
38      Yes   KASAN: use-after-free Read in nfc_llcp_find_local
              https://syzkaller.appspot.com/bug?extid=e7ac69e6a5d806180b40

---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@...glegroups.com.