Starting mcstransd: 
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c.
[....] Starting O[   52.996499] kauditd_printk_skb: 7 callbacks suppressed
penBSD Secure Sh[   52.996510] audit: type=1800 audit(1582094478.410:33): pid=8784 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0
ell server: sshd[   53.028001] audit: type=1800 audit(1582094478.410:34): pid=8784 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0
[?25l[?1c7[ ok 8[?25h[?0c.

Debian GNU/Linux 7 syzkaller ttyS0

syzkaller login: [   57.862096] audit: type=1400 audit(1582094483.270:35): avc:  denied  { map } for  pid=8960 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1
Warning: Permanently added '10.128.0.233' (ECDSA) to the list of known hosts.
executing program
[   67.733995] audit: type=1400 audit(1582094493.140:36): avc:  denied  { map } for  pid=8972 comm="syz-executor659" path="/root/syz-executor659813543" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[   67.756329] IPVS: ftp: loaded support on port[0] = 21
[   67.825904] 
[   67.827725] ================================
[   67.832175] WARNING: inconsistent lock state
[   67.836577] 4.19.104-syzkaller #0 Not tainted
[   67.841052] --------------------------------
[   67.845499] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[   67.851772] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
[   67.857158] 000000009a7d24ec (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x683/0xc20
[   67.867494] {SOFTIRQ-ON-W} state was registered at:
[   67.872766]   lock_acquire+0x16f/0x3f0
[   67.876676]   _raw_spin_lock+0x2f/0x40
[   67.880555]   rxrpc_connect_call+0x351/0x4920
[   67.885054]   rxrpc_new_client_call+0x8e7/0x1880
[   67.889811]   rxrpc_do_sendmsg+0xfc3/0x1ca3
[   67.894746]   rxrpc_sendmsg+0x4a0/0x5b0
[   67.898746]   sock_sendmsg+0xd7/0x130
[   67.902538]   ___sys_sendmsg+0x3e2/0x920
[   67.906588]   __sys_sendmmsg+0x1bf/0x4e0
[   67.910654]   __x64_sys_sendmmsg+0x9d/0x100
[   67.915150]   do_syscall_64+0xfd/0x620
[   67.920027]   entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   67.925297] irq event stamp: 177520
[   67.928915] hardirqs last  enabled at (177520): [<ffffffff87549a3b>] _raw_spin_unlock_irqrestore+0x6b/0xe0
[   67.938721] hardirqs last disabled at (177519): [<ffffffff87549ccf>] _raw_spin_lock_irqsave+0x6f/0xcd
[   67.948088] softirqs last  enabled at (177392): [<ffffffff813fdc3c>] _local_bh_enable+0x1c/0x30
[   67.956925] softirqs last disabled at (177393): [<ffffffff814007c0>] irq_exit+0x180/0x1d0
[   67.965420] 
[   67.965420] other info that might help us debug this:
[   67.972077]  Possible unsafe locking scenario:
[   67.972077] 
[   67.978335]        CPU0
[   67.980945]        ----
[   67.983518]   lock(&(&local->client_conns_lock)->rlock);
[   67.989067]   <Interrupt>
[   67.991813]     lock(&(&local->client_conns_lock)->rlock);
[   67.997558] 
[   67.997558]  *** DEADLOCK ***
[   67.997558] 
[   68.003620] 1 lock held by swapper/0/0:
[   68.007582]  #0: 000000006953dfb0 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30
[   68.016500] 
[   68.016500] stack backtrace:
[   68.021020] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.104-syzkaller #0
[   68.028118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   68.038006] Call Trace:
[   68.040626]  <IRQ>
[   68.042802]  dump_stack+0x197/0x210
[   68.046433]  print_usage_bug.cold+0x330/0x42a
[   68.051028]  ? save_stack_trace+0x1a/0x20
[   68.055169]  mark_lock+0xd1b/0x1370
[   68.058785]  ? check_usage_backwards+0x340/0x340
[   68.063542]  __lock_acquire+0xc62/0x49c0
[   68.067596]  ? mark_held_locks+0x100/0x100
[   68.071870]  ? save_stack+0x45/0xd0
[   68.075491]  ? __kasan_slab_free+0x102/0x150
[   68.079885]  ? kasan_slab_free+0xe/0x10
[   68.083914]  ? kfree+0xcf/0x220
[   68.087196]  ? mark_held_locks+0x100/0x100
[   68.091518]  ? find_held_lock+0x35/0x130
[   68.095617]  ? debug_object_deactivate+0x1e4/0x360
[   68.100595]  ? mark_held_locks+0x100/0x100
[   68.104867]  ? debug_object_deactivate+0x1e4/0x360
[   68.109947]  ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[   68.115057]  ? lockdep_hardirqs_on+0x19b/0x5d0
[   68.119645]  lock_acquire+0x16f/0x3f0
[   68.123442]  ? rxrpc_put_client_conn+0x683/0xc20
[   68.128320]  _raw_spin_lock+0x2f/0x40
[   68.132133]  ? rxrpc_put_client_conn+0x683/0xc20
[   68.136946]  rxrpc_put_client_conn+0x683/0xc20
[   68.141529]  ? rxrpc_rcu_destroy_call+0xbd/0x200
[   68.146275]  ? rxrpc_process_call.cold+0x20/0x20
[   68.151023]  rxrpc_rcu_destroy_call+0xbd/0x200
[   68.155675]  rcu_process_callbacks+0xba0/0x1a30
[   68.160358]  ? __rcu_read_unlock+0x170/0x170
[   68.164763]  __do_softirq+0x25c/0x921
[   68.168562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   68.174317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   68.179917]  irq_exit+0x180/0x1d0
[   68.183384]  smp_apic_timer_interrupt+0x13b/0x550
[   68.188227]  apic_timer_interrupt+0xf/0x20
[   68.192478]  </IRQ>
[   68.194751] RIP: 0010:native_safe_halt+0xe/0x10
[   68.199458] Code: ff ff 48 89 df e8 92 f8 4d fa eb 82 e9 07 00 00 00 0f 00 2d 74 61 53 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 64 61 53 00 fb f4 <c3> 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 be cc 04 fa e8 d9
[   68.218359] RSP: 0018:ffffffff88e07cb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[   68.226146] RAX: 1ffffffff11e4ad4 RBX: ffffffff88e79ec0 RCX: 0000000000000000
[   68.233518] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff88e7a73c
[   68.240921] RBP: ffffffff88e07ce0 R08: ffffffff88e79ec0 R09: 0000000000000000
[   68.248187] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   68.255457] R13: ffffffff88f25690 R14: 0000000000000000 R15: ffffffff88e79ec0
[   68.263090]  ? default_idle+0x4e/0x320
[   68.267005]  arch_cpu_idle+0xa/0x10
[   68.270714]  default_idle_call+0x36/0x90
[   68.274774]  do_idle+0x30c/0x4d0
[   68.278146]  ? arch_cpu_idle_exit+0x80/0x80
[   68.282479]  ? check_preemption_disabled+0x48/0x290
[   68.287515]  cpu_startup_entry+0xc8/0xe0
[   68.291611]  ? cpu_in_idle+0x20/0x20
[   68.295320]  rest_init+0x219/0x222
[   68.298919]  ? trace_event_define_fields_vector_free_moved+0xb4/0xb4
[   68.305423]  start_kernel+0x7ec/0x825
[   68.309344]  ? mem_encrypt_init+0xb/0xb
[   68.313325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[   68.318959]  ? x86_family+0x41/0x50
[   68.322573]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20