syzbot


WARNING: refcount bug in linkwatch_do_dev
Status: internal: reported on 2021/11/08 12:55
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 123e495ecc25 net: linkwatch: be more careful about dev->linkwatch_dev_tracker
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-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 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 77d, last: 51d

Sample crash report:

Crashes (74):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-qemu-upstream 2021/11/26 08:23 upstream b501b85957de 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-qemu-upstream 2021/11/25 08:08 upstream 5f53fa508db0 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-selinux-root 2021/11/24 17:00 upstream 5d9f4cf36721 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-selinux-root 2021/11/23 04:56 upstream 136057256686 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-selinux-root 2021/11/22 10:50 upstream 136057256686 4eb20a4e .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-selinux-root 2021/11/19 16:21 upstream 4c388a8e740d 3a9d0024 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-root 2021/11/18 12:38 upstream ee1703cda8dc cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-root 2021/11/18 10:06 upstream ee1703cda8dc cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-root 2021/11/17 07:30 upstream 8ab774587903 cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-qemu-upstream 2021/11/14 15:40 upstream c8c109546a19 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-qemu-upstream 2021/11/14 10:15 upstream ccfff0a2bd2a 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-qemu-upstream-386 2021/11/24 13:45 upstream 5d9f4cf36721 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-kasan-gce-386 2021/11/23 16:54 upstream 136057256686 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-this-kasan-gce 2021/11/24 02:24 net 7b1b62bc1e6a 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-this-kasan-gce 2021/11/22 03:06 net f9390b249c90 4eb20a4e .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-this-kasan-gce 2021/11/20 03:46 net 0f296e782f21 3a9d0024 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-this-kasan-gce 2021/11/18 23:45 net c7521d3aa2fa 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-this-kasan-gce 2021/11/08 15:49 net c45231a7668d d29682f1 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/27 06:33 net-next 35bf8c86eeb8 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/23 06:15 net-next 3b0e04140bc3 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/22 23:32 net-next 6d872df3e3b9 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/22 16:31 net-next 6d872df3e3b9 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/20 08:27 net-next 812ad3d270cb 3a9d0024 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/19 02:24 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/18 23:45 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/18 23:39 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/18 20:32 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/18 19:38 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/18 16:54 net-next bb8cecf8ba12 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/17 19:44 net-next b9241f54138c cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/17 16:17 net-next b9241f54138c cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/16 21:41 net-next 62803fec52f8 600426bd .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/16 19:24 net-next 62803fec52f8 600426bd .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 20:48 net-next cb3ef7b00042 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 17:18 net-next cb3ef7b00042 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 16:46 net-next cb3ef7b00042 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 12:44 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 11:14 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 10:14 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 05:01 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 02:25 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 01:40 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 01:39 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/15 01:06 net-next 1274a4eb318d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/14 10:41 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/14 09:23 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/14 09:19 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/14 03:17 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/14 02:39 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/13 21:53 net-next 66f4beaa6c1d 83f5c9b5 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/12 09:13 net-next 5833291ab6de 75b04091 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/12 06:37 net-next 5833291ab6de 75b04091 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-net-kasan-gce 2021/11/12 03:49 net-next 5833291ab6de 75b04091 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/12/05 00:35 linux-next f81e94e91878 a617004c .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/12/04 03:05 linux-next f81e94e91878 a617004c .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/12/01 02:41 linux-next f81e94e91878 80270552 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/29 13:16 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/29 07:09 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/28 23:34 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/27 19:36 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/27 15:22 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/26 23:18 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/25 18:53 linux-next f81e94e91878 63eeac02 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/25 06:40 linux-next f81e94e91878 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/24 18:46 linux-next 4b74e088fef6 545ab074 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/18 20:30 linux-next 5191249f8803 31a30fc0 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/18 08:12 linux-next 5191249f8803 cafff8b6 .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/16 12:04 linux-next a2f3bb245883 600426bd .config log report info WARNING: refcount bug in linkwatch_do_dev
ci-upstream-linux-next-kasan-gce-root 2021/11/08 12:54 linux-next e844ee04dee0 d29682f1 .config log report info WARNING: refcount bug in linkwatch_do_dev