syzbot


KASAN: slab-out-of-bounds Write in xt_compat_target_from_user
Status: upstream: reported C repro on 2020/08/17 17:51
Reported-by: syzbot+cfc0247ac173f597aaaa@syzkaller.appspotmail.com
Fix commit: b29c457a netfilter: x_tables: fix compat match/target pad out-of-bound write
Patched on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm64 ci-qemu2-arm64-compat ci-qemu2-arm64-mte ci-upstream-bpf-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], missing on: [ci-qemu2-arm32 ci-qemu2-riscv64 ci-upstream-bpf-next-kasan-gce ci-upstream-kmsan-gce ci-upstream-kmsan-gce-386 ci2-upstream-usb]
First crash: 248d, last: 248d

Cause bisection: failed (bisect log)

Fix 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-386 2020/08/16 12:16 upstream 4b6c093e 424dd8e7 .config log report syz C