Warning: Permanently added '10.128.0.239' (ECDSA) to the list of known hosts. executing program [ 54.928581] audit: type=1400 audit(1582084051.221:36): avc: denied { map } for pid=8112 comm="syz-executor049" path="/root/syz-executor049423750" 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 [ 54.941851] IPVS: ftp: loaded support on port[0] = 21 [ 55.022916] [ 55.024555] ================================ [ 55.028975] WARNING: inconsistent lock state [ 55.033416] 4.19.104-syzkaller #0 Not tainted [ 55.037897] -------------------------------- [ 55.042286] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 55.048574] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 55.053837] 0000000035ad361d (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x683/0xc20 [ 55.064066] {SOFTIRQ-ON-W} state was registered at: [ 55.069081] lock_acquire+0x16f/0x3f0 [ 55.072968] _raw_spin_lock+0x2f/0x40 [ 55.076857] rxrpc_connect_call+0x351/0x4920 [ 55.081413] rxrpc_new_client_call+0x8e7/0x1880 [ 55.086213] rxrpc_do_sendmsg+0xfc3/0x1ca3 [ 55.090534] rxrpc_sendmsg+0x4a0/0x5b0 [ 55.094511] sock_sendmsg+0xd7/0x130 [ 55.098313] ___sys_sendmsg+0x3e2/0x920 [ 55.102359] __sys_sendmmsg+0x1bf/0x4e0 [ 55.106417] __x64_sys_sendmmsg+0x9d/0x100 [ 55.110754] do_syscall_64+0xfd/0x620 [ 55.114635] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 55.119926] irq event stamp: 189848 [ 55.123543] hardirqs last enabled at (189848): [] _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 55.133328] hardirqs last disabled at (189847): [] _raw_spin_lock_irqsave+0x6f/0xcd [ 55.142688] softirqs last enabled at (189832): [] _local_bh_enable+0x1c/0x30 [ 55.151526] softirqs last disabled at (189833): [] irq_exit+0x180/0x1d0 [ 55.159826] [ 55.159826] other info that might help us debug this: [ 55.166480] Possible unsafe locking scenario: [ 55.166480] [ 55.172571] CPU0 [ 55.175140] ---- [ 55.177766] lock(&(&local->client_conns_lock)->rlock); [ 55.183202] [ 55.185997] lock(&(&local->client_conns_lock)->rlock); [ 55.191605] [ 55.191605] *** DEADLOCK *** [ 55.191605] [ 55.197653] 1 lock held by swapper/0/0: [ 55.201649] #0: 00000000059bee17 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30 [ 55.210399] [ 55.210399] stack backtrace: [ 55.214912] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.104-syzkaller #0 [ 55.222127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 55.231474] Call Trace: [ 55.234040] [ 55.236180] dump_stack+0x197/0x210 [ 55.239809] print_usage_bug.cold+0x330/0x42a [ 55.244295] ? save_stack_trace+0x1a/0x20 [ 55.248434] mark_lock+0xd1b/0x1370 [ 55.252056] ? check_usage_backwards+0x340/0x340 [ 55.256809] __lock_acquire+0xc62/0x49c0 [ 55.260855] ? mark_held_locks+0x100/0x100 [ 55.265117] ? __lock_acquire+0x6ee/0x49c0 [ 55.269359] ? mark_held_locks+0x100/0x100 [ 55.273584] ? find_held_lock+0x35/0x130 [ 55.277644] ? debug_object_deactivate+0x1e4/0x360 [ 55.282675] ? mark_held_locks+0x100/0x100 [ 55.286906] ? debug_object_deactivate+0x1e4/0x360 [ 55.291829] ? _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 55.296924] ? lockdep_hardirqs_on+0x19b/0x5d0 [ 55.301501] lock_acquire+0x16f/0x3f0 [ 55.305308] ? rxrpc_put_client_conn+0x683/0xc20 [ 55.310060] _raw_spin_lock+0x2f/0x40 [ 55.313864] ? rxrpc_put_client_conn+0x683/0xc20 [ 55.318687] rxrpc_put_client_conn+0x683/0xc20 [ 55.323270] ? rxrpc_rcu_destroy_call+0xbd/0x200 [ 55.328020] ? rxrpc_process_call.cold+0x20/0x20 [ 55.332939] rxrpc_rcu_destroy_call+0xbd/0x200 [ 55.337518] rcu_process_callbacks+0xba0/0x1a30 [ 55.342184] ? __rcu_read_unlock+0x170/0x170 [ 55.346655] __do_softirq+0x25c/0x921 [ 55.350445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.355976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 55.361517] irq_exit+0x180/0x1d0 [ 55.364975] smp_apic_timer_interrupt+0x13b/0x550 [ 55.369855] apic_timer_interrupt+0xf/0x20 [ 55.374089] [ 55.376433] RIP: 0010:native_safe_halt+0xe/0x10 [ 55.381138] 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 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 be cc 04 fa e8 d9 [ 55.400080] RSP: 0018:ffffffff88e07cb0 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 55.407781] RAX: 1ffffffff11e4ad4 RBX: ffffffff88e79ec0 RCX: 0000000000000000 [ 55.415044] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffffffff88e7a73c [ 55.422339] RBP: ffffffff88e07ce0 R08: ffffffff88e79ec0 R09: 0000000000000000 [ 55.429703] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 55.437004] R13: ffffffff88f25690 R14: 0000000000000000 R15: ffffffff88e79ec0 [ 55.444332] ? default_idle+0x4e/0x320 [ 55.448207] arch_cpu_idle+0xa/0x10 [ 55.451866] default_idle_call+0x36/0x90 [ 55.455923] do_idle+0x30c/0x4d0 [ 55.459313] ? arch_cpu_idle_exit+0x80/0x80 [ 55.463668] cpu_startup_entry+0xc8/0xe0 [ 55.467728] ? cpu_in_idle+0x20/0x20 [ 55.471643] rest_init+0x219/0x222 [