Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. executing program [ 107.106559][ T27] audit: type=1400 audit(1581130008.547:42): avc: denied { map } for pid=10595 comm="syz-executor644" path="/root/syz-executor644861533" 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 [ 107.123119][T10596] IPVS: ftp: loaded support on port[0] = 21 [ 107.195441][ C1] [ 107.198043][ C1] ================================ [ 107.203145][ C1] WARNING: inconsistent lock state [ 107.208560][ C1] 5.5.0-syzkaller #0 Not tainted [ 107.213768][ C1] -------------------------------- [ 107.219072][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 107.225994][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 107.231965][ C1] ffff8880a4b7d1c8 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x6ed/0xc90 [ 107.242984][ C1] {SOFTIRQ-ON-W} state was registered at: [ 107.248695][ C1] lock_acquire+0x190/0x410 [ 107.253280][ C1] _raw_spin_lock+0x2f/0x40 [ 107.257871][ C1] rxrpc_connect_call+0x358/0x4e30 [ 107.263076][ C1] rxrpc_new_client_call+0x9c0/0x1ad0 [ 107.268546][ C1] rxrpc_do_sendmsg+0xffa/0x1d5f [ 107.273560][ C1] rxrpc_sendmsg+0x4d6/0x5f0 [ 107.278215][ C1] sock_sendmsg+0xd7/0x130 [ 107.282909][ C1] ____sys_sendmsg+0x358/0x880 [ 107.287944][ C1] ___sys_sendmsg+0x100/0x170 [ 107.292898][ C1] __sys_sendmmsg+0x1bf/0x4d0 [ 107.297811][ C1] __x64_sys_sendmmsg+0x9d/0x100 [ 107.303147][ C1] do_syscall_64+0xfa/0x790 [ 107.307737][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.313712][ C1] irq event stamp: 173608 [ 107.318033][ C1] hardirqs last enabled at (173608): [] _raw_spin_unlock_irqrestore+0x66/0xe0 [ 107.328519][ C1] hardirqs last disabled at (173607): [] _raw_spin_lock_irqsave+0x6f/0xcd [ 107.338664][ C1] softirqs last enabled at (173396): [] _local_bh_enable+0x1c/0x30 [ 107.348294][ C1] softirqs last disabled at (173397): [] irq_exit+0x19b/0x1e0 [ 107.357355][ C1] [ 107.357355][ C1] other info that might help us debug this: [ 107.365412][ C1] Possible unsafe locking scenario: [ 107.365412][ C1] [ 107.372944][ C1] CPU0 [ 107.376221][ C1] ---- [ 107.379480][ C1] lock(&(&local->client_conns_lock)->rlock); [ 107.385885][ C1] [ 107.389344][ C1] lock(&(&local->client_conns_lock)->rlock); [ 107.395664][ C1] [ 107.395664][ C1] *** DEADLOCK *** [ 107.395664][ C1] [ 107.404142][ C1] 1 lock held by swapper/1/0: [ 107.408787][ C1] #0: ffffffff89bac140 (rcu_callback){....}, at: rcu_core+0x562/0x1390 [ 107.417098][ C1] [ 107.417098][ C1] stack backtrace: [ 107.422971][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-syzkaller #0 [ 107.430506][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 107.440556][ C1] Call Trace: [ 107.443820][ C1] [ 107.446654][ C1] dump_stack+0x197/0x210 [ 107.450963][ C1] print_usage_bug.cold+0x327/0x378 [ 107.456139][ C1] mark_lock+0xbb4/0x1220 [ 107.460457][ C1] ? rcu_core_si+0x9/0x10 [ 107.464770][ C1] ? check_usage_backwards+0x330/0x330 [ 107.470202][ C1] ? irq_exit+0x19b/0x1e0 [ 107.474507][ C1] __lock_acquire+0x1e8e/0x4a00 [ 107.479343][ C1] ? find_held_lock+0x35/0x130 [ 107.484094][ C1] ? __kasan_check_read+0x11/0x20 [ 107.489103][ C1] ? mark_lock+0xc2/0x1220 [ 107.493505][ C1] ? mark_held_locks+0xf0/0xf0 [ 107.498245][ C1] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 107.504023][ C1] lock_acquire+0x190/0x410 [ 107.508519][ C1] ? rxrpc_put_client_conn+0x6ed/0xc90 [ 107.513975][ C1] _raw_spin_lock+0x2f/0x40 [ 107.518477][ C1] ? rxrpc_put_client_conn+0x6ed/0xc90 [ 107.523917][ C1] rxrpc_put_client_conn+0x6ed/0xc90 [ 107.529208][ C1] ? rxrpc_rcu_destroy_call+0xbd/0x200 [ 107.534668][ C1] rxrpc_rcu_destroy_call+0xbd/0x200 [ 107.539949][ C1] rcu_core+0x5e1/0x1390 [ 107.544185][ C1] ? __rcu_read_unlock+0x700/0x700 [ 107.549274][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 107.554796][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 107.560772][ C1] ? run_rebalance_domains+0x227/0x2d0 [ 107.566207][ C1] rcu_core_si+0x9/0x10 [ 107.570354][ C1] __do_softirq+0x262/0x98c [ 107.574847][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 107.580050][ C1] irq_exit+0x19b/0x1e0 [ 107.584191][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 107.589816][ C1] apic_timer_interrupt+0xf/0x20 [ 107.594730][ C1] [ 107.597664][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 107.603193][ C1] Code: 48 70 c7 f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 44 d3 5b 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 34 d3 5b 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 7e 2f 76 f9 e8 19 [ 107.623057][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 107.631563][ C1] RAX: 1ffffffff1367612 RBX: ffff8880a9a0a340 RCX: 0000000000000000 [ 107.639525][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a9a0abd4 [ 107.647475][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a9a0a340 R09: 0000000000000000 [ 107.655424][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 107.663388][ C1] R13: ffffffff8aa52400 R14: 0000000000000000 R15: 0000000000000001 [ 107.671361][ C1] ? default_idle+0x4e/0x360 [ 107.675943][ C1] arch_cpu_idle+0xa/0x10 [ 107.680264][ C1] default_idle_call+0x84/0xb0 [ 107.685443][ C1] do_idle+0x3c8/0x6e0 [ 107.689493][ C1] ? arch_cpu_idle_exit+0x80/0x80 [ 107.694496][ C1] cpu_startup_en