syzbot


INFO: task hung in io_uring_del_tctx_node
Status: upstream: reported C repro on 2021/09/24 01:57
Reported-by: syzbot+111d2a03f51f5ae73775@syzkaller.appspotmail.com
Fix commit: 8bab4c09f24e io_uring: allow conditional reschedule for intensive iterators
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: 147d, last: 1d08h

Cause bisection: introduced by (bisect log) [no-op commit]:
commit 24146a7d67ce0a37d044902e5fafc1aa5a6d98c8
Author: Cristian Ciocaltea <cristian.ciocaltea@gmail.com>
Date: Fri Feb 5 05:07:22 2021 +0000

  MAINTAINERS: Add linux-actions ML for Actions Semi Arch

Crash: no output from test machine (log)
Repro: C syz .config

Sample crash report:

Crashes (24):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/10/21 07:02 upstream 8e37395c3a5d f111d03b .config log report syz C INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-root 2021/10/19 10:36 upstream 519d81956ee2 24dc29db .config log report syz C INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-root 2021/10/17 23:05 upstream d999ade1cc86 0c5d9412 .config log report syz C INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/09/22 15:45 upstream 92477dd1faa6 169724fe .config log report syz C INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-smack-root 2021/11/30 08:24 upstream d58071a8a76d d0830353 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/11/25 04:30 upstream 5f53fa508db0 545ab074 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/11/25 03:55 upstream 5f53fa508db0 545ab074 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-root 2021/11/22 19:32 upstream 136057256686 545ab074 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-smack-root 2021/11/22 08:36 upstream 40c93d7fff6f 4eb20a4e .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-smack-root 2021/11/12 18:06 upstream 5833291ab6de 83f5c9b5 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-selinux-root 2021/11/01 11:48 upstream 8bb7eca972ad 098b5d53 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-selinux-root 2021/10/30 23:33 upstream 119c85055d86 098b5d53 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/10/29 16:54 upstream 411a44c24a56 2353a3ec .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-selinux-root 2021/10/25 20:40 upstream 87066fdd2e30 4f0000ee .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/10/22 23:54 upstream 64222515138e 282f03fb .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/09/28 04:44 upstream 0513e464f900 78494d16 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-root 2021/09/27 19:42 upstream 5816b3e6577e 78494d16 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-smack-root 2021/08/29 12:24 upstream 3f5ad13cb012 be2c130d .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/08/14 01:17 upstream f8e6dfc64f61 3fd2ea69 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce 2021/08/13 07:39 upstream f8fbb47c6e86 3fd2ea69 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-selinux-root 2021/07/07 06:05 upstream 3dbdb38e2869 cca78469 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-386 2021/11/28 01:32 upstream 741392771338 63eeac02 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-kasan-gce-386 2021/11/20 03:55 upstream 4c388a8e740d 3a9d0024 .config log report info INFO: task hung in io_uring_del_tctx_node
ci-upstream-linux-next-kasan-gce-root 2021/11/15 15:40 linux-next 09bd48c4acfa 83f5c9b5 .config log report info INFO: task hung in io_uring_del_tctx_node