syzbot


KASAN: use-after-free Read in percpu_ref_switch_to_atomic_rcu
Status: fixed on 2020/04/15 17:19
Reported-by: syzbot+e017e49c39ab484ac87a@syzkaller.appspotmail.com
Fix commit: c1e2148f io_uring: free fixed_file_data after RCU grace period
First crash: 225d, last: 202d

Sample crash report:

Crashes (5):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Maintainers
ci-upstream-kasan-gce-root 2020/02/29 18:11 upstream f8788d86 59b57593 .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org
ci-upstream-kasan-gce 2020/02/09 10:42 upstream fdfa3a67 6ece2ea5 .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, tony.luck@intel.com, x86@kernel.org
ci-upstream-kasan-gce-smack-root 2020/02/06 06:29 upstream 4c7d00cc 662cf49a .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, tony.luck@intel.com, x86@kernel.org
ci-upstream-kasan-gce 2020/02/06 04:10 upstream 4c7d00cc 662cf49a .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, tony.luck@intel.com, x86@kernel.org
ci-upstream-linux-next-kasan-gce-root 2020/02/17 17:26 linux-next c25a951c 2b411596 .config log report bp@alien8.de, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, peterz@infradead.org, tglx@linutronix.de, x86@kernel.org