syzbot


WARNING: refcount bug in ip6gre_exit_batch_net
Status: internal: reported on 2021/11/15 21:51
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 34ac17ecbf57 ethtool: use ethnl_parse_header_dev_put()
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: 72d, last: 71d

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-root 2021/11/17 18:20 upstream ee1703cda8dc cafff8b6 .config log report info WARNING: refcount bug in ip6gre_exit_batch_net
ci-upstream-net-kasan-gce 2021/11/15 21:50 net-next cb3ef7b00042 83f5c9b5 .config log report info WARNING: refcount bug in ip6gre_exit_batch_net