syzbot


WARNING in io_rsrc_node_switch
Status: upstream: reported C repro on 2021/04/29 10:22
Reported-by: syzbot+a4715dd4b7c866136f79@syzkaller.appspotmail.com
Fix commit: 47b228ce6f66 io_uring: fix unchecked error in switch_start()
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-qemu2-riscv64 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-arm32]
First crash: 94d, last: 84d

Cause bisection: introduced by (bisect log) :
commit eae071c9b4cefbcc3f985c5abf9a6e32c1608ca9
Author: Pavel Begunkov <asml.silence@gmail.com>
Date: Sun Apr 25 13:32:24 2021 +0000

  io_uring: prepare fixed rw for dynanic buffers

Crash: WARNING in io_rsrc_node_switch (log)
Repro: C syz .config
Patch testing requests:
Created Duration User Patch Repo Result
2021/04/29 11:49 16m asml.silence@gmail.com https://github.com/isilence/linux.git syz_test4 OK

Sample crash report:

Crashes (174):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/04/29 10:31 upstream d72cd4ad4174 77e2b668 .config log report syz C WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/08 18:06 upstream d2b6f8a17919 bc5434be .config log report syz WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 08:29 upstream d2b6f8a17919 06585184 .config log report syz WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/06 05:46 upstream d2b6f8a17919 06c27ff5 .config log report syz WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/02 05:15 upstream d2b6f8a17919 77e2b668 .config log report syz WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/04/30 17:47 upstream d2b6f8a17919 77e2b668 .config log report syz WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/08 16:25 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/08 12:40 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/08 11:35 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/08 06:15 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/08 03:38 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/08 02:32 upstream d2b6f8a17919 bc5434be .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 19:48 upstream d2b6f8a17919 f6da8120 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 17:38 upstream d2b6f8a17919 f6da8120 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 15:23 upstream d2b6f8a17919 f6da8120 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/07 11:43 upstream d2b6f8a17919 f6da8120 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 08:17 upstream d2b6f8a17919 06585184 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/07 07:10 upstream d2b6f8a17919 06585184 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/07 05:41 upstream d2b6f8a17919 06585184 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/06 22:12 upstream d2b6f8a17919 06585184 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/06 13:31 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/06 12:19 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/06 11:18 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/06 09:44 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/06 09:13 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/06 08:05 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/06 05:44 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/06 03:25 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/05 22:59 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/05 20:02 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/05 18:15 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/05 16:57 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/05 15:25 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/05 13:56 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/05 12:25 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/05 04:42 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/05 00:56 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/04 20:33 upstream d2b6f8a17919 09efdd63 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/04 08:13 upstream d2b6f8a17919 09efdd63 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/04 07:12 upstream d2b6f8a17919 09efdd63 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/04 03:10 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/04 01:34 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/05/04 00:32 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/03 23:03 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/03 20:47 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-selinux-root 2021/05/03 19:18 upstream d2b6f8a17919 ad61f371 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/03 13:40 upstream d2b6f8a17919 77e2b668 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/03 12:00 upstream d2b6f8a17919 77e2b668 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce 2021/05/03 10:53 upstream d2b6f8a17919 77e2b668 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-root 2021/04/29 08:16 upstream d72cd4ad4174 77e2b668 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-386 2021/05/05 08:50 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-386 2021/05/05 06:13 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-upstream-kasan-gce-386 2021/05/04 23:04 upstream d2b6f8a17919 06c27ff5 .config log report info WARNING in io_rsrc_node_switch
ci-qemu2-arm64-mte 2021/05/02 15:06 upstream d72cd4ad4174 77e2b668 .config log report info WARNING in io_rsrc_node_switch