syzbot


[upstream] INFO: rcu detected stall in ndisc_alloc_skb
Status: upstream: reported on 2018/12/31 07:42
Reported-by: syzbot+ea7d9cb314b4ab49a18a@syzkaller.appspotmail.com
First crash: 165d, last: 165d
duplicates:
Title Repro Bisected Count Last Reported Patched Status
INFO: rcu detected stall in proc_reg_read 6 95d 174d 0/12 closed as dup on 2019/01/02 16:24
INFO: rcu detected stall in br_multicast_port_group_expired (2) 5 146d 185d 0/12 closed as dup on 2019/01/02 16:28
INFO: rcu detected stall in addrconf_rs_timer 38 96d 191d 0/12 closed as dup on 2019/01/02 16:33
INFO: rcu detected stall in shmem_fault 13 7d11h 167d 0/12 closed as dup on 2019/01/02 16:58
INFO: rcu detected stall in discover_timer 19 12d 189d 0/12 closed as dup on 2019/01/02 16:30
INFO: rcu detected stall in __run_timers (2) 58 70d 193d 0/12 closed as dup on 2019/01/02 16:40
INFO: rcu detected stall in kthread (2) 11 103d 191d 0/12 closed as dup on 2019/01/02 16:35
INFO: rcu detected stall in ext4_filemap_fault 109 22d 192d 0/12 closed as dup on 2019/01/02 16:36
INFO: rcu detected stall in call_timer_fn 2 164d 176d 0/12 closed as dup on 2019/01/02 16:26
INFO: rcu detected stall in filemap_fault 1 170d 167d 0/12 closed as dup on 2019/01/02 16:20
INFO: rcu detected stall in show_free_areas 1 168d 167d 0/12 closed as dup on 2019/01/02 16:21
INFO: rcu detected stall in ret_from_fork (2) 12 157d 191d 0/12 closed as dup on 2019/01/02 16:31
INFO: rcu detected stall in run_timer_softirq (2) 27 113d 192d 0/12 closed as dup on 2019/01/02 16:38
INFO: rcu detected stall in bpf_prog_ADDR 1 195d 193d 0/12 closed as dup on 2019/01/02 16:39

Sample crash report:

All crashes (1):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro Maintainers
ci-upstream-bpf-next-kasan-gce 2018/10/12 04:50 bpf-next ef4ab844 ba6ddb43 .config log report davem@davemloft.net, kuznet@ms2.inr.ac.ru, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, yoshfuji@linux-ipv6.org