syzbot


KMSAN: uninit-value in fib_get_nhs
Status: upstream: reported C repro on 2021/12/09 18:57
Reported-by: syzbot+d4b9a2851cc3ce998741@syzkaller.appspotmail.com
Fix commit: 7a3429bace0e ipv4: Check attribute length for RTA_GATEWAY in multipath route
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: 48d, last: 36d

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kmsan-gce 2021/12/08 16:46 https://github.com/google/kmsan.git master 8b936c96768e a4a2a501 .config log report syz C KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce 2021/12/19 12:57 https://github.com/google/kmsan.git master b0a8b5053e8b 44068e19 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce 2021/12/19 12:39 https://github.com/google/kmsan.git master b0a8b5053e8b 44068e19 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce 2021/12/10 04:11 https://github.com/google/kmsan.git master 8b936c96768e 4d4ce9bc .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce 2021/12/08 20:25 https://github.com/google/kmsan.git master 8b936c96768e a4a2a501 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce 2021/12/08 14:56 https://github.com/google/kmsan.git master 8b936c96768e a4a2a501 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce-386 2021/12/19 12:31 https://github.com/google/kmsan.git master b0a8b5053e8b 44068e19 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce-386 2021/12/19 12:24 https://github.com/google/kmsan.git master b0a8b5053e8b 44068e19 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce-386 2021/12/09 06:21 https://github.com/google/kmsan.git master 8b936c96768e a4a2a501 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce-386 2021/12/08 20:32 https://github.com/google/kmsan.git master 8b936c96768e a4a2a501 .config log report info KMSAN: uninit-value in fib_get_nhs
ci-upstream-kmsan-gce-386 2021/12/07 21:19 https://github.com/google/kmsan.git master 8b936c96768e 0230ba3e .config log report info KMSAN: uninit-value in fib_get_nhs