syzbot


INFO: task hung in io_uring_try_cancel_requests
Status: internal: reported C repro on 2021/10/28 12:19
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: f75d118349be io_uring: harder fdinfo sq/cq ring iterating
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-kasan-gce ci-upstream-bpf-next-kasan-gce ci-upstream-gce-leak ci-upstream-kasan-gce ci-upstream-kasan-gce-386 ci-upstream-kasan-gce-root ci-upstream-kasan-gce-selinux-root ci-upstream-kasan-gce-smack-root ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci-upstream-linux-next-kasan-gce-root ci-upstream-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb], missing on: [ci-qemu2-riscv64]
First crash: 81d, last: 2d12h

Cause bisection: failed (bisect log)

Sample crash report:

Crashes (39):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/10/28 12:11 upstream 1fc596a56b33 be531bb4 .config log report syz C INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/12/04 10:10 upstream 12119cfa1052 a617004c .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/30 18:00 upstream d58071a8a76d 80270552 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/11/28 04:59 upstream 741392771338 63eeac02 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/11/26 03:45 upstream b501b85957de 63eeac02 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/11/25 03:53 upstream 5f53fa508db0 545ab074 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/20 07:03 upstream 4c388a8e740d 3a9d0024 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/18 17:34 upstream 42eb8fdac2fc 31a30fc0 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/16 21:36 upstream 8ab774587903 600426bd .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/11/16 16:05 upstream 8ab774587903 600426bd .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-selinux-root 2021/11/16 13:13 upstream 8ab774587903 600426bd .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/11/08 19:57 upstream e851dfae4371 d29682f1 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/07 10:58 upstream 512b7931ad05 4c1be0be .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/06 10:26 upstream fe91c4725aee 4c1be0be .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/11/04 02:38 upstream dcd68326d29b 4c1be0be .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/31 08:55 upstream 119c85055d86 098b5d53 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/10/28 08:51 upstream 1fc596a56b33 be531bb4 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/26 11:02 upstream c2b43854aad9 c1132b49 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-smack-root 2021/10/26 03:55 upstream c2b43854aad9 c1132b49 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/10/19 06:14 upstream 519d81956ee2 24dc29db .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/19 02:17 upstream 519d81956ee2 24dc29db .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/19 02:09 upstream 519d81956ee2 24dc29db .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/10/17 17:36 upstream d999ade1cc86 0c5d9412 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/17 07:16 upstream 304040fb4909 0c5d9412 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/14 04:05 upstream 348949d9a444 5462d470 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/10 13:50 upstream 7fd2bf83d59a 838e7e2c .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/10/06 10:38 upstream f6274b06e326 0a63fd36 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/10/03 16:31 upstream 7b66f4393ad4 db0f5787 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-selinux-root 2021/10/03 07:12 upstream ab2a7a35c4e7 db0f5787 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-root 2021/09/27 16:17 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/09/27 06:41 upstream 996148ee05d0 78494d16 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-smack-root 2021/09/25 17:31 upstream 7d42e9818258 8cac236e .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-selinux-root 2021/09/24 12:46 upstream f9e36107ec70 8cac236e .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-selinux-root 2021/09/23 01:51 upstream cf1d2c3e7e2f 8cac236e .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce 2021/09/19 11:00 upstream 93ff9f13be91 70b76c1d .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-386 2021/12/04 15:35 upstream 12119cfa1052 a617004c .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-386 2021/10/31 21:44 upstream 180eca540ae0 098b5d53 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-kasan-gce-386 2021/09/16 16:57 upstream ff1ffd71d5f0 aae492f2 .config log report info INFO: task hung in io_uring_try_cancel_requests
ci-upstream-linux-next-kasan-gce-root 2021/11/09 09:37 linux-next c8109c2ba35e 8ab17e57 .config log report info INFO: task hung in io_uring_try_cancel_requests