syzbot


WARNING in smk_set_cipso (2)
Status: upstream: reported C repro on 2021/04/12 07:00
Reported-by: syzbot+77c53db50c9fff774e8e@syzkaller.appspotmail.com
Fix commit: smackfs: restrict bytes count in smk_set_cipso()
Patched on: [ci-upstream-linux-next-kasan-gce-root], missing on: [ci-qemu-upstream ci-qemu-upstream-386 ci-qemu2-arm32 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-net-kasan-gce ci-upstream-net-this-kasan-gce ci2-upstream-kcsan-gce ci2-upstream-usb]
First crash: 31d, last: 2d14h

Cause bisection: the issue happens on the oldest tested release (bisect log)
Crash: WARNING in smk_set_cipso (log)
Repro: C syz .config
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING in smk_set_cipso C inconclusive 19 34d 115d 0/22 closed as dup on 2021/01/20 02:53

Sample crash report:

Crashes (11):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-smack-root 2021/04/12 06:19 upstream 7d900724 bfeda1b1 .config log report syz C WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/05/11 08:13 upstream 0aa099a3 ca873091 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/05/09 04:05 upstream ab159ac5 bc5434be .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/05/02 22:27 upstream d2b6f8a1 77e2b668 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/05/01 16:09 upstream d2b6f8a1 77e2b668 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/05/01 12:08 upstream d2b6f8a1 77e2b668 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/04/24 11:41 upstream e77a830c 17f0b706 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/04/23 22:25 upstream 18a3c5f7 17f0b706 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/04/22 13:16 upstream 16fc44d6 33c28d03 .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/04/22 04:10 upstream 16fc44d6 2bc8999a .config log report info WARNING in smk_set_cipso
ci-upstream-kasan-gce-smack-root 2021/04/12 06:06 upstream 7d900724 bfeda1b1 .config log report info WARNING in smk_set_cipso