syzbot


general protection fault in ref_tracker_free
Status: internal: reported on 2021/12/15 07:15
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: 40d, last: 16d

Sample crash report:

Crashes (21):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-linux-next-kasan-gce-root 2021/12/15 07:14 linux-next ea922272cbe5 f752fb53 .config log report info general protection fault in ref_tracker_free
ci-upstream-net-kasan-gce 2022/01/06 03:12 net-next c5bcdd8228d8 6acc789a .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2022/01/04 11:41 net-next 7590fc6f80ac 7f723fbe .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2022/01/03 04:20 net-next 0d6f01ff4147 e1768e9c .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/30 17:45 net-next cfcad56b2089 2e49f10d .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/29 18:46 net-next 271d3be1c3b6 6cc879d4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/28 19:48 net-next 0f1eae8e565e 76c8cf06 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/28 05:42 net-next b4aadd207322 6b3c5e64 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/27 20:36 net-next 32f52e8e78d3 5140bd58 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/26 04:11 net-next 7c63f26cb518 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/25 10:34 net-next 7467d716583e 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/25 02:25 net-next 7467d716583e 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/24 16:42 net-next 8b3f91332291 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/24 11:27 net-next 8b3f91332291 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/22 20:41 net-next f4f2970dfd87 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/22 12:19 net-next 294e70c952b4 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/22 09:21 net-next 294e70c952b4 6caa12e4 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/20 05:05 net-next 434ed2138994 44068e19 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/16 17:15 net-next bd1d97d861e4 8dd6a5e3 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-net-kasan-gce 2021/12/15 21:31 net-next 3bc14ea0d12a 572bcb40 .config log report info KASAN: use-after-free Read in ref_tracker_free
ci-upstream-linux-next-kasan-gce-root 2022/01/08 13:29 linux-next b8170452cd51 2ca0d385 .config log report info KASAN: use-after-free Read in ref_tracker_free