Warning: Permanently added '10.128.0.235' (ECDSA) to the list of known hosts. [ 43.246371] random: sshd: uninitialized urandom read (32 bytes read) [ 43.364375] audit: type=1400 audit(1582948646.707:36): avc: denied { map } for pid=7366 comm="syz-executor814" path="/root/syz-executor814883844" 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 [ 43.641084] IPVS: ftp: loaded support on port[0] = 21 executing program [ 44.470136] [ 44.471793] ================================ [ 44.476218] WARNING: inconsistent lock state [ 44.480602] 4.14.172-syzkaller #0 Not tainted [ 44.485079] -------------------------------- [ 44.489467] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 44.495620] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 44.500872] (&(&local->client_conns_lock)->rlock){+.?.}, at: [] rxrpc_put_client_conn+0x524/0xa80 [ 44.511569] {SOFTIRQ-ON-W} state was registered at: [ 44.516565] lock_acquire+0x170/0x3f0 [ 44.520427] _raw_spin_lock+0x2a/0x40 [ 44.524292] rxrpc_connect_call+0x2ac/0x3e50 [ 44.528775] rxrpc_new_client_call+0x8d2/0x1410 [ 44.533505] rxrpc_do_sendmsg+0x8a1/0x1019 [ 44.537803] rxrpc_sendmsg+0x47d/0x5a0 [ 44.541752] sock_sendmsg+0xc5/0x100 [ 44.545536] ___sys_sendmsg+0x349/0x840 [ 44.549568] __sys_sendmmsg+0x129/0x330 [ 44.553605] SyS_sendmmsg+0x2f/0x50 [ 44.557312] do_syscall_64+0x1d5/0x640 [ 44.561283] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 44.566545] irq event stamp: 222862 [ 44.570149] hardirqs last enabled at (222862): [] _raw_spin_unlock_irqrestore+0x67/0xe0 [ 44.579932] hardirqs last disabled at (222861): [] _raw_spin_lock_irqsave+0x66/0xbf [ 44.589278] softirqs last enabled at (222830): [] irq_enter+0xbd/0xd0 [ 44.597525] softirqs last disabled at (222831): [] irq_exit+0x15b/0x1a0 [ 44.605813] [ 44.605813] other info that might help us debug this: [ 44.612456] Possible unsafe locking scenario: [ 44.612456] [ 44.618486] CPU0 [ 44.621050] ---- [ 44.623610] lock(&(&local->client_conns_lock)->rlock); [ 44.629037] [ 44.631771] lock(&(&local->client_conns_lock)->rlock); [ 44.637377] [ 44.637377] *** DEADLOCK *** [ 44.637377] [ 44.643419] 1 lock held by swapper/0/0: [ 44.647368] #0: (rcu_callback){....}, at: [] rcu_process_callbacks+0x866/0x1190 [ 44.656541] [ 44.656541] stack backtrace: [ 44.661063] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.14.172-syzkaller #0 [ 44.668137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.677598] Call Trace: [ 44.680163] [ 44.682302] dump_stack+0x13e/0x194 [ 44.685909] print_usage_bug.cold+0x327/0x425 [ 44.690379] mark_lock+0xd21/0x10b0 [ 44.694001] ? check_usage_backwards+0x2f0/0x2f0 [ 44.698732] __lock_acquire+0xb57/0x4620 [ 44.702772] ? trace_hardirqs_on+0x10/0x10 [ 44.706988] ? trace_hardirqs_on+0x10/0x10 [ 44.711201] ? trace_hardirqs_on+0x10/0x10 [ 44.715410] ? lock_acquire+0x170/0x3f0 [ 44.719360] ? save_trace+0x290/0x290 [ 44.723138] ? _raw_spin_unlock_irqrestore+0x67/0xe0 [ 44.728216] lock_acquire+0x170/0x3f0 [ 44.731995] ? rxrpc_put_client_conn+0x524/0xa80 [ 44.736726] _raw_spin_lock+0x2a/0x40 [ 44.740504] ? rxrpc_put_client_conn+0x524/0xa80 [ 44.745234] rxrpc_put_client_conn+0x524/0xa80 [ 44.749804] ? rxrpc_rcu_destroy_call+0x83/0x190 [ 44.754540] ? rxrpc_start_call_timer+0x1f0/0x1f0 [ 44.759359] rxrpc_rcu_destroy_call+0x83/0x190 [ 44.763921] rcu_process_callbacks+0x792/0x1190 [ 44.768579] ? call_rcu_sched+0x10/0x10 [ 44.772531] __do_softirq+0x254/0x9bf [ 44.776343] ? check_preemption_disabled+0x35/0x240 [ 44.781338] irq_exit+0x15b/0x1a0 [ 44.784768] smp_apic_timer_interrupt+0x141/0x5e0 [ 44.789589] apic_timer_interrupt+0x8f/0xa0 [ 44.793886] [ 44.796099] RIP: 0010:native_safe_halt+0xe/0x10 [ 44.800743] RSP: 0018:ffffffff87c07e78 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 [ 44.808438] RAX: 1ffffffff0fa2ce4 RBX: dffffc0000000000 RCX: 0000000000000000 [ 44.815698] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff87c76abc [ 44.822946] RBP: ffffffff87d16710 R08: 1ffffffff1124101 R09: 0000000000000000 [ 44.830194] R10: 0000000000000000 R11: 0000000000000000 R12: fffffbfff0f8ec48 [ 44.837440] R13: ffffffff87c76240 R14: 0000000000000000 R15: 0000000000000000 [ 44.844694] default_idle+0x47/0x370 [ 44.848383] do_idle+0x250/0x3c0 [ 44.851734] ? trace_event_define_fields_x86_irq_vector+0x28/0x28 [ 44.857943] cpu_startup_entry+0x14/0x20 [ 44.861982] start_kernel+0x659/0x676 [ 44.865776] ? mem_encrypt_init+0x5/0x5 [ 44.869735] ? load_ucod