[info] Using makefile-style concurrent boot in runlevel 2. [ 51.619484][ T26] audit: type=1800 audit(1567363570.333:21): pid=9079 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 51.665987][ T26] audit: type=1800 audit(1567363570.333:22): pid=9079 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 61.309710][ T9229] Started in network mode [ 61.314071][ T9229] Own node identity ff030000000000000000000000000001, cluster identity 4711 [ 61.322942][ T9229] check_preemption_disabled: 8 callbacks suppressed [ 61.322950][ T9229] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor176/9229 [ 61.339125][ T9229] caller is debug_smp_processor_id+0x1c/0x20 [ 61.345081][ T9229] CPU: 0 PID: 9229 Comm: syz-executor176 Not tainted 5.3.0-rc6+ #95 [ 61.353025][ T9229] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.363056][ T9229] Call Trace: [ 61.366322][ T9229] dump_stack+0x1d8/0x2f8 [ 61.370627][ T9229] check_preemption_disabled+0x257/0x2a0 [ 61.376235][ T9229] debug_smp_processor_id+0x1c/0x20 [ 61.381407][ T9229] dst_cache_get+0x57/0x490 [ 61.385885][ T9229] ? __copy_skb_header+0x41f/0x540 [ 61.390985][ T9229] tipc_udp_xmit+0x5d/0xb20 [ 61.395467][ T9229] ? trace_lock_release+0x135/0x1a0 [ 61.400638][ T9229] ? rcu_lock_release+0x9/0x30 [ 61.405370][ T9229] tipc_udp_send_msg+0x32d/0x3d0 [ 61.410282][ T9229] tipc_bearer_xmit_skb+0x29f/0x3b0 [ 61.415455][ T9229] __tipc_nl_bearer_enable+0xa77/0xd50 [ 61.420890][ T9229] tipc_nl_bearer_enable+0x22/0x30 [ 61.425972][ T9229] genl_rcv_msg+0xb52/0x12b0 [ 61.430539][ T9229] netlink_rcv_skb+0x19e/0x3d0 [ 61.435271][ T9229] ? genl_unbind+0x250/0x250 [ 61.439838][ T9229] genl_rcv+0x28/0x40 [ 61.443793][ T9229] netlink_unicast+0x787/0x900 [ 61.448530][ T9229] netlink_sendmsg+0x993/0xc50 [ 61.453265][ T9229] ? netlink_getsockopt+0x9f0/0x9f0 [ 61.458441][ T9229] ___sys_sendmsg+0x60d/0x910 [ 61.463099][ T9229] ? trace_lock_release+0x135/0x1a0 [ 61.468267][ T9229] ? task_work_run+0x139/0x1b0 [ 61.473019][ T9229] ? _raw_spin_unlock_irq+0x27/0x80 [ 61.478187][ T9229] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 61.483790][ T9229] ? check_preemption_disabled+0xb7/0x2a0 [ 61.489494][ T9229] ? __kasan_check_write+0x14/0x20 [ 61.494577][ T9229] ? __fdget+0x156/0x200 [ 61.498810][ T9229] __x64_sys_sendmsg+0x17c/0x200 [ 61.503722][ T9229] do_syscall_64+0xfe/0x140 [ 61.508198][ T9229] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 61.514063][ T9229] RIP: 0033:0x444359 [ 61.517941][ T9229] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 1b d8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 61.537535][ T9229] RSP: 002b:00007ffea372ae38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 61.545932][ T9229] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 0000000000444359 [ 61.553874][ T9229] RDX: 0000000000000000 RSI: 0000000020000000 RDI: 000000000