syzbot


general protection fault in hwsim_del_edge_nl
Status: internal: reported C repro on 2021/06/17 20:01
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 0303b30375df ieee802154: hwsim: avoid possible crash in hwsim_del_edge_nl()
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-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 ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386]
First crash: 91d, last: 91d

Cause bisection: introduced by (bisect log) :
commit 997acaf6b4b59c6a9c259740312a69ea549cc684
Author: Mark Rutland <mark.rutland@arm.com>
Date: Mon Jan 11 15:37:07 2021 +0000

  lockdep: report broken irq restoration

Crash: WARNING in kvm_wait (log)
Repro: C syz .config

Sample crash report:

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-net-this-kasan-gce 2021/06/17 20:16 net da5ac772cfe2 aba2b2fb .config log report syz C general protection fault in hwsim_del_edge_nl
ci-upstream-net-kasan-gce 2021/06/17 22:02 net-next 01f1b6ed2b84 aba2b2fb .config log report syz C general protection fault in hwsim_del_edge_nl
ci-upstream-net-this-kasan-gce 2021/06/17 20:01 net da5ac772cfe2 aba2b2fb .config log report info general protection fault in hwsim_del_edge_nl