syzbot


WARNING: suspicious RCU usage in get_timespec64
Status: upstream: reported on 2021/04/04 19:05
Reported-by: syzbot+88e4f02896967fe1ab0d@syzkaller.appspotmail.com
Fix commit: rcu: Reject RCU_LOCKDEP_WARN() false positives
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: 22d, last: 22d
duplicates (1):
Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
WARNING: suspicious RCU usage in __ext4_handle_dirty_metadata 1 22d 18d 0/22 closed as dup on 2021/04/05 00:08

Sample crash report:

Crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci-upstream-kasan-gce-selinux-root 2021/03/31 18:56 upstream 5e46d1b7 6a81331a .config log report info WARNING: suspicious RCU usage in get_timespec64