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: 99d, last: 99d
duplicates:
Title Repro Count Last Reported Patched Status
INFO: rcu detected stall in proc_reg_read 6 29d 109d closed as dup on 2019/01/02 16:24
INFO: rcu detected stall in br_multicast_port_group_expired (2) 5 80d 120d closed as dup on 2019/01/02 16:28
INFO: rcu detected stall in addrconf_rs_timer 38 30d 126d closed as dup on 2019/01/02 16:33
INFO: rcu detected stall in shmem_fault 3 22h08m 101d closed as dup on 2019/01/02 16:58
INFO: rcu detected stall in discover_timer 18 65d 124d closed as dup on 2019/01/02 16:30
INFO: rcu detected stall in __run_timers (2) 58 4d14h 128d closed as dup on 2019/01/02 16:40
INFO: rcu detected stall in kthread (2) 11 37d 126d closed as dup on 2019/01/02 16:35
INFO: rcu detected stall in ext4_filemap_fault 107 29d 127d closed as dup on 2019/01/02 16:36
INFO: rcu detected stall in call_timer_fn 2 98d 111d closed as dup on 2019/01/02 16:26
INFO: rcu detected stall in filemap_fault 1 104d 102d closed as dup on 2019/01/02 16:20
INFO: rcu detected stall in show_free_areas 1 102d 102d closed as dup on 2019/01/02 16:21
INFO: rcu detected stall in ret_from_fork (2) 12 92d 125d closed as dup on 2019/01/02 16:31
INFO: rcu detected stall in run_timer_softirq (2) 27 47d 127d closed as dup on 2019/01/02 16:38
INFO: rcu detected stall in bpf_prog_ADDR 1 130d 128d 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