[ 39.801545][ T26] audit: type=1800 audit(1574831782.006:27): pid=7695 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 39.825155][ T26] audit: type=1800 audit(1574831782.006:28): pid=7695 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 40.559340][ T26] audit: type=1800 audit(1574831782.836:29): pid=7695 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 40.578760][ T26] audit: type=1800 audit(1574831782.836:30): pid=7695 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.19' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 49.757456][ T7848] tipc: Started in network mode [ 49.762466][ T7848] tipc: Own node identity ff000000000000000000000000000001, cluster identity 4711 [ 49.771934][ T7848] tipc: New replicast peer: fe80:0000:0000:0000:dd00:0000:0000:00bb [ 49.780231][ T7848] BUG: using smp_processor_id() in preemptible [00000000] code: syz-executor426/7848 [ 49.790057][ T7848] caller is debug_smp_processor_id+0x1c/0x20 [ 49.796114][ T7848] CPU: 1 PID: 7848 Comm: syz-executor426 Not tainted 5.4.0-syzkaller #0 [ 49.804451][ T7848] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.814484][ T7848] Call Trace: [ 49.817753][ T7848] dump_stack+0x1fb/0x318 [ 49.822061][ T7848] check_preemption_disabled+0x257/0x2a0 [ 49.827669][ T7848] debug_smp_processor_id+0x1c/0x20 [ 49.832841][ T7848] dst_cache_get+0x57/0x490 [ 49.837314][ T7848] ? memcpy+0x49/0x60 [ 49.841277][ T7848] tipc_udp_xmit+0x5d/0xb20 [ 49.845770][ T7848] tipc_udp_send_msg+0x2b1/0x3d0 [ 49.850684][ T7848] tipc_bearer_xmit_skb+0x2f3/0x440 [ 49.855868][ T7848] __tipc_nl_bearer_enable+0xaa9/0xda0 [ 49.861322][ T7848] tipc_nl_bearer_enable+0x22/0x30 [ 49.866414][ T7848] genl_rcv_msg+0xf17/0x13e0 [ 49.870994][ T7848] netlink_rcv_skb+0x19e/0x3d0 [ 49.875730][ T7848] ? genl_unbind+0x250/0x250 [ 49.880295][ T7848] genl_rcv+0x28/0x40 [ 49.884266][ T7848] netlink_unicast+0x787/0x8f0 [ 49.889025][ T7848] netlink_sendmsg+0x994/0xc50 [ 49.893772][ T7848] ? netlink_getsockopt+0x9f0/0x9f0 [ 49.898962][ T7848] ___sys_sendmsg+0x60d/0x910 [ 49.903745][ T7848] ? _raw_spin_unlock_irq+0x27/0x80 [ 49.909055][ T7848] ? check_preemption_disabled+0xb7/0x2a0 [ 49.914795][ T7848] ? __kasan_check_write+0x14/0x20 [ 49.919886][ T7848] ? __fdget+0x156/0x200 [ 49.924108][ T7848] __x64_sys_sendmsg+0x17c/0x200 [ 49.929028][ T7848] do_syscall_64+0xf7/0x1c0 [ 49.933506][ T7848] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.939368][ T7848] RIP: 0033:0x4441f9 [ 49.943290][ T7848] 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 [ 49.962878][ T7848] RSP: 002b:00007ffe1b648518 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 49.971274][ T7848] RAX: ffffffffffffffda RBX: 00000000004002e0 RCX: 00000000004441f9 [ 49.979229][ T7848] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 49.987180][ T7848] RBP: 00000000006ce018 R08: 0000000000000000 R09: 00000000004002e0 [ 49.995128][ T7848] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401ea0 [ 50.003083][ T7848] R13: 0000000000401f30 R14: 0000000000000