syzbot has bisected this issue to:
commit e5598d6ae62626d261b046a2f19347c38681ff51
Author: Pavel Begunkov <asml.silence@xxxxxxxxx>
Date: Thu Aug 24 22:53:31 2023 +0000
io_uring: compact SQ/CQ heads/tails
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=179f26bd980000
start commit: 910bfc26d16d Merge tag 'rust-6.11' of https://github.com/R..
git tree: upstream
final oops: https://syzkaller.appspot.com/x/report.txt?x=145f26bd980000
console output: https://syzkaller.appspot.com/x/log.txt?x=105f26bd980000
kernel config: https://syzkaller.appspot.com/x/.config?x=b698a1b2fcd7ef5f
dashboard link: https://syzkaller.appspot.com/bug?extid=ee5f6a9c86b42ed64fec
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=16ddcb03980000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11cb739d980000
Reported-by: syzbot+ee5f6a9c86b42ed64fec@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: e5598d6ae626 ("io_uring: compact SQ/CQ heads/tails")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
