Messages in this thread |  | | Date | Sun, 31 Oct 2021 15:59:06 -0700 | Subject | Re: [syzbot] KASAN: use-after-free Write in __io_free_req | From | syzbot <> |
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syzbot has bisected this issue to:
commit 34ced75ca1f63fac6148497971212583aa0f7a87 Author: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com> Date: Mon Oct 25 05:38:48 2021 +0000
io_uring: reduce frequent add_wait_queue() overhead for multi-shot poll request
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14f83bbab00000 start commit: bdcc9f6a5682 Add linux-next specific files for 20211029 git tree: linux-next final oops: https://syzkaller.appspot.com/x/report.txt?x=16f83bbab00000 console output: https://syzkaller.appspot.com/x/log.txt?x=12f83bbab00000 kernel config: https://syzkaller.appspot.com/x/.config?x=cea91ee10b0cd274 dashboard link: https://syzkaller.appspot.com/bug?extid=78b76ebc91042904f34e syz repro: https://syzkaller.appspot.com/x/repro.syz?x=10cf03e2b00000
Reported-by: syzbot+78b76ebc91042904f34e@syzkaller.appspotmail.com Fixes: 34ced75ca1f6 ("io_uring: reduce frequent add_wait_queue() overhead for multi-shot poll request")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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