syzbot


possible deadlock in cfg80211_netdev_notifier_call (2)
Status: upstream: reported on 2021/05/10 12:20
Reported-by: syzbot+452ea4fbbef700ff0a56@syzkaller.appspotmail.com
Fix commit: d5befb224edb mac80211: fix deadlock in AP/VLAN handling
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: 80d, last: 68d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream possible deadlock in cfg80211_netdev_notifier_call syz done 13 111d 177d 22/22 fixed on 2021/04/09 19:46

Sample crash report:

Crashes (2):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/05/09 11:07 upstream b741596468b0 bc5434be .config log report info possible deadlock in cfg80211_netdev_notifier_call
ci-upstream-net-this-kasan-gce 2021/05/21 17:24 net 5cb4a593821f 3c7fef33 .config log report info possible deadlock in cfg80211_netdev_notifier_call