[  110.432566][   T27] audit: type=1800 audit(1581197979.992:36): pid=10999 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 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 mcstransd: 
[  111.224725][   T27] audit: type=1400 audit(1581197980.892:37): avc:  denied  { watch } for  pid=11086 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1
[....] Starting file context maintaining daemon: restorecond[?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 '10.128.0.227' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [  121.135726][   T27] kauditd_printk_skb: 4 callbacks suppressed
[  121.135741][   T27] audit: type=1400 audit(1581197990.802:42): avc:  denied  { map } for  pid=11188 comm="syz-executor505" path="/root/syz-executor505484127" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[  121.154753][T11189] IPVS: ftp: loaded support on port[0] = 21
[  121.232918][    C0] 
[  121.235277][    C0] ================================
[  121.240420][    C0] WARNING: inconsistent lock state
[  121.245550][    C0] 5.5.0-syzkaller #0 Not tainted
[  121.250561][    C0] --------------------------------
[  121.255686][    C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[  121.262539][    C0] ksoftirqd/0/9 [HC0[0]:SC1[1]:HE1:SE0] takes:
[  121.268684][    C0] ffff8880a00ad1c8 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x6ed/0xc90
[  121.280211][    C0] {SOFTIRQ-ON-W} state was registered at:
[  121.285936][    C0]   lock_acquire+0x190/0x410
[  121.290518][    C0]   _raw_spin_lock+0x2f/0x40
[  121.295101][    C0]   rxrpc_connect_call+0x358/0x4e30
[  121.300284][    C0]   rxrpc_new_client_call+0x9c0/0x1ad0
[  121.305811][    C0]   rxrpc_do_sendmsg+0xffa/0x1d5f
[  121.310823][    C0]   rxrpc_sendmsg+0x4d6/0x5f0
[  121.315491][    C0]   sock_sendmsg+0xd7/0x130
[  121.320033][    C0]   ____sys_sendmsg+0x358/0x880
[  121.324873][    C0]   ___sys_sendmsg+0x100/0x170
[  121.329736][    C0]   __sys_sendmmsg+0x1bf/0x4d0
[  121.334552][    C0]   __x64_sys_sendmmsg+0x9d/0x100
[  121.339566][    C0]   do_syscall_64+0xfa/0x790
[  121.344164][    C0]   entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  121.350603][    C0] irq event stamp: 615314
[  121.354924][    C0] hardirqs last  enabled at (615314): [<ffffffff87edca96>] _raw_spin_unlock_irqrestore+0x66/0xe0
[  121.365409][    C0] hardirqs last disabled at (615313): [<ffffffff87edce0f>] _raw_spin_lock_irqsave+0x6f/0xcd
[  121.375467][    C0] softirqs last  enabled at (615194): [<ffffffff882006cd>] __do_softirq+0x6cd/0x98c
[  121.384832][    C0] softirqs last disabled at (615199): [<ffffffff81477d6e>] run_ksoftirqd+0x8e/0x110
[  121.394288][    C0] 
[  121.394288][    C0] other info that might help us debug this:
[  121.402543][    C0]  Possible unsafe locking scenario:
[  121.402543][    C0] 
[  121.410158][    C0]        CPU0
[  121.413428][    C0]        ----
[  121.416818][    C0]   lock(&(&local->client_conns_lock)->rlock);
[  121.423020][    C0]   <Interrupt>
[  121.426455][    C0]     lock(&(&local->client_conns_lock)->rlock);
[  121.432770][    C0] 
[  121.432770][    C0]  *** DEADLOCK ***
[  121.432770][    C0] 
[  121.440995][    C0] 1 lock held by ksoftirqd/0/9:
[  121.445988][    C0]  #0: ffffffff89bac140 (rcu_callback){....}, at: rcu_core+0x562/0x1390
[  121.454450][    C0] 
[  121.454450][    C0] stack backtrace:
[  121.460955][    C0] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 5.5.0-syzkaller #0
[  121.468801][    C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  121.478887][    C0] Call Trace:
[  121.482190][    C0]  dump_stack+0x197/0x210
[  121.486521][    C0]  print_usage_bug.cold+0x327/0x378
[  121.492423][    C0]  mark_lock+0xbb4/0x1220
[  121.496754][    C0]  ? kfree+0x10a/0x2c0
[  121.500894][    C0]  ? check_usage_backwards+0x330/0x330
[  121.506355][    C0]  ? __nf_hook_entries_free+0x31/0x40
[  121.511741][    C0]  __lock_acquire+0x1e8e/0x4a00
[  121.516601][    C0]  ? find_held_lock+0x35/0x130
[  121.521465][    C0]  ? __kasan_check_read+0x11/0x20
[  121.526517][    C0]  ? mark_lock+0xc2/0x1220
[  121.530961][    C0]  ? mark_held_locks+0xf0/0xf0
[  121.535718][    C0]  ? _raw_spin_unlock_irqrestore+0x66/0xe0
[  121.541527][    C0]  lock_acquire+0x190/0x410
[  121.546075][    C0]  ? rxrpc_put_client_conn+0x6ed/0xc90
[  121.551533][    C0]  _raw_spin_lock+0x2f/0x40
[  121.556151][    C0]  ? rxrpc_put_client_conn+0x6ed/0xc90
[  121.561601][    C0]  rxrpc_put_client_conn+0x6ed/0xc90
[  121.566892][    C0]  ? rxrpc_rcu_destroy_call+0xbd/0x200
[  121.572350][    C0]  rxrpc_rcu_destroy_call+0xbd/0x200
[  121.577807][    C0]  rcu_core+0x5e1/0x1390
[  121.582033][    C0]  ? __rcu_read_unlock+0x700/0x700
[  121.587262][    C0]  ? rcu_read_lock_sched_held+0x9c/0xd0
[  121.593100][    C0]  ? rcu_read_lock_any_held.part.0+0x50/0x50
[  121.599077][    C0]  rcu_core_si+0x9/0x10
[  121.603235][    C0]  __do_softirq+0x262/0x98c
[  121.607842][    C0]  ? takeover_tasklets+0x820/0x820
[  121.613060][    C0]  run_ksoftirqd+0x8e/0x110
[  121.617559][    C0]  smpboot_thread_fn+0x6a3/0xa40
[  121.622507][    C0]  ? __smpboot_create_thread.part.0+0x340/0x340
[  121.628834][    C0]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x2