Warning: Permanently added '10.128.0.157' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 52.359672] kauditd_printk_skb: 5 callbacks suppressed
[ 52.359687] audit: type=1400 audit(1582246026.710:36): avc: denied { map } for pid=8106 comm="syz-executor278" path="/root/syz-executor278014016" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 52.372733] IPVS: ftp: loaded support on port[0] = 21
[ 52.464146]
[ 52.465798] ================================
[ 52.470191] WARNING: inconsistent lock state
[ 52.474584] 4.19.105-syzkaller #0 Not tainted
[ 52.479062] --------------------------------
[ 52.483503] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 52.489651] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
[ 52.494954] 0000000026cb2d87 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x683/0xc20
[ 52.505228] {SOFTIRQ-ON-W} state was registered at:
[ 52.510242] lock_acquire+0x16f/0x3f0
[ 52.514124] _raw_spin_lock+0x2f/0x40
[ 52.518137] rxrpc_connect_call+0x351/0x4920
[ 52.522804] rxrpc_new_client_call+0x8e7/0x1880
[ 52.527555] rxrpc_do_sendmsg+0xfc3/0x1ca3
[ 52.531930] rxrpc_sendmsg+0x4a0/0x5b0
[ 52.535898] sock_sendmsg+0xd7/0x130
[ 52.539785] ___sys_sendmsg+0x3e2/0x920
[ 52.543863] __sys_sendmmsg+0x1bf/0x4e0
[ 52.547948] __x64_sys_sendmmsg+0x9d/0x100
[ 52.552266] do_syscall_64+0xfd/0x620
[ 52.556142] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 52.561403] irq event stamp: 187964
[ 52.566976] hardirqs last enabled at (187964): [<ffffffff87549a3b>] _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 52.576768] hardirqs last disabled at (187963): [<ffffffff87549ccf>] _raw_spin_lock_irqsave+0x6f/0xcd
[ 52.586126] softirqs last enabled at (187832): [<ffffffff813fdc3c>] _local_bh_enable+0x1c/0x30
[ 52.594962] softirqs last disabled at (187833): [<ffffffff814007c0>] irq_exit+0x180/0x1d0
[ 52.603363]
[ 52.603363] other info that might help us debug this:
[ 52.610148] Possible unsafe locking scenario:
[ 52.610148]
[ 52.616187] CPU0
[ 52.618761] ----
[ 52.621333] lock(&(&local->client_conns_lock)->rlock);
[ 52.626773] <Interrupt>
[ 52.629510] lock(&(&local->client_conns_lock)->rlock);
[ 52.635127]
[ 52.635127] *** DEADLOCK ***
[ 52.635127]
[ 52.641219] 1 lock held by swapper/0/0:
[ 52.645178] #0: 0000000098dc4e67 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30
[ 52.653976]
[ 52.653976] stack backtrace:
[ 52.658475] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.105-syzkaller #0
[ 52.665562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 52.674903] Call Trace:
[ 52.677489] <IRQ>
[ 52.679684] dump_stack+0x197/0x210
[ 52.683401] print_usage_bug.cold+0x330/0x42a
[ 52.687884] ? save_stack_trace+0x1a/0x20
[ 52.692034] mark_lock+0xd1b/0x1370
[ 52.695659] ? check_usage_backwards+0x340/0x340
[ 52.700407] __lock_acquire+0xc62/0x49c0
[ 52.704468] ? mark_held_locks+0x100/0x100
[ 52.708688] ? save_stack+0x45/0xd0
[ 52.712312] ? __kasan_slab_free+0x102/0x150
[ 52.716705] ? kasan_slab_free+0xe/0x10
[ 52.720673] ? kfree+0xcf/0x220
[ 52.723950] ? mark_held_locks+0x100/0x100
[ 52.728182] ? find_held_lock+0x35/0x130
[ 52.732231] ? debug_object_deactivate+0x1e4/0x360
[ 52.737160] ? mark_held_locks+0x100/0x100
[ 52.741380] ? debug_object_deactivate+0x1e4/0x360
[ 52.746305] ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 52.751415] ? lockdep_hardirqs_on+0x19b/0x5d0
[ 52.755996] lock_acquire+0x16f/0x3f0
[ 52.759805] ? rxrpc_put_client_conn+0x683/0xc20
[ 52.764562] _raw_spin_lock+0x2f/0x40
[ 52.768347] ? rxrpc_put_client_conn+0x683/0xc20
[ 52.773104] rxrpc_put_client_conn+0x683/0xc20
[ 52.777683] ? rxrpc_rcu_destroy_call+0xbd/0x200
[ 52.782485] ? rxrpc_process_call.cold+0x20/0x20
[ 52.787244] rxrpc_rcu_destroy_call+0xbd/0x200
[ 52.791827] rcu_process_callbacks+0xba0/0x1a30
[ 52.796511] ? __rcu_read_unlock+0x170/0x170
[ 52.800910] __do_softirq+0x25c/0x921
[ 52.804785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 52.810415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 52.816047] irq_exit+0x180/0x1d0
[ 52.819510] smp_apic_timer_interrupt+0x13b/0x550
[ 52.824402] apic_timer_interrupt+0xf/0x20
[ 52.828652] </IRQ>
[ 52.830888] RIP: 0010:native_safe_halt+0xe/0x10
[ 52.835548] 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
[ 52.854487] RSP: 0018:ffffffff88e07cb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 52.862389] RAX: 1ffffffff11e4ad4 RBX: ffffffff88e79ec0 RCX: 0000000000000000
[ 52.869789] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff88e7a73c
[ 52.877060] RBP: ffffffff88e07ce0 R08: ffffffff88e79ec0 R09: 0000000000000000
[ 52.884424] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 52.891704] R13: ffffffff88f25690 R14: 0000000000000000 R15: ffffffff88e79ec0
[ 52.899053] ? default_idle+0x4e/0x320
[ 52.902947] arch_cpu_idle+0xa/0x10
[ 52.906564] default_idle_call+0x36/0x90
[ 52.910615] do_idle+0x30c/0x4d0
[ 52.913988] ? arch_cpu_idle_exit+0x80/0x80
[ 52.918294] ? check_preemption_disabled+0x48/0x290
[ 52.923295] cpu_startup_entry+0xc8/0xe0
[ 52.927366] ? cpu_in_idle+0x20/0x20
[ 52.931066] rest_init+0x219/0x222
[ 52.934592] ? trace_event_define_fields_vector_free_moved+0xb4/0xb4
[ 52.941238] start_kernel+0x7ec/0x825
[ 52.945022] ? mem_encrypt_init+0xb/0xb
[ 52.948980] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 52.954500] ? x86_family+0x41/0x50
[ 52.958108] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 52.963633] x86_64_start_res