syzbot


BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit
Status: internal: reported C repro on 2021/09/30 10:26
Reported-by: syzbot+@syzkaller.appspotmail.com
Fix commit: 560ee196fe9e net_sched: fix NULL deref in fifo_set_limit()
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-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-riscv64]
First crash: 67d, last: 67d

Cause bisection: failed (bisect log)

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/09/30 10:25 upstream 02d5e016800d be530f6c .config log report syz C BUG: unable to handle kernel NULL pointer dereference in fifo_set_limit