syzbot


WARNING: suspicious RCU usage in nf_ct_iterate_cleanup (2)
Status: upstream: reported on 2021/05/05 07:51
Reported-by: syzbot+86efe6206c1373c8a7cc@syzkaller.appspotmail.com
Fix commit: 3066820034b5 rcu: Reject RCU_LOCKDEP_WARN() false positives
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: 90d, last: 28d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
upstream WARNING: suspicious RCU usage in nf_ct_iterate_cleanup 2 216d 228d 0/22 auto-closed as invalid on 2021/04/26 16:35

Sample crash report:

Crashes (4):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce 2021/07/03 04:11 upstream 3dbdb38e2869 55aa55c2 .config log report info WARNING: suspicious RCU usage in nf_ct_iterate_cleanup
ci-upstream-kasan-gce-root 2021/06/21 13:32 upstream cba5e97280f5 aba2b2fb .config log report info WARNING: suspicious RCU usage in nf_ct_iterate_cleanup
ci-upstream-kasan-gce-root 2021/06/05 06:01 upstream 9d32fa5d74b1 500c2339 .config log report info WARNING: suspicious RCU usage in nf_ct_iterate_cleanup
ci-upstream-kasan-gce 2021/05/02 03:34 upstream d2b6f8a17919 77e2b668 .config log report info WARNING: suspicious RCU usage in nf_ct_iterate_cleanup