Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 54.467371] kauditd_printk_skb: 2 callbacks suppressed
[ 54.467388] audit: type=1400 audit(1582503246.281:36): avc: denied { map } for pid=7974 comm="syz-executor172" path="/root/syz-executor172755747" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
[ 54.487296] IPVS: ftp: loaded support on port[0] = 21
[ 54.566634]
[ 54.568274] ================================
[ 54.572657] WARNING: inconsistent lock state
[ 54.577051] 4.19.105-syzkaller #0 Not tainted
[ 54.581530] --------------------------------
[ 54.585914] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 54.592047] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes:
[ 54.597915] 0000000002a8a514 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x683/0xc20
[ 54.608157] {SOFTIRQ-ON-W} state was registered at:
[ 54.613170] lock_acquire+0x16f/0x3f0
[ 54.617041] _raw_spin_lock+0x2f/0x40
[ 54.620934] rxrpc_connect_call+0x351/0x4920
[ 54.625455] rxrpc_new_client_call+0x8e7/0x1880
[ 54.630208] rxrpc_do_sendmsg+0xfc3/0x1ca3
[ 54.634525] rxrpc_sendmsg+0x4a0/0x5b0
[ 54.638492] sock_sendmsg+0xd7/0x130
[ 54.642278] ___sys_sendmsg+0x3e2/0x920
[ 54.646329] __sys_sendmmsg+0x1bf/0x4e0
[ 54.650370] __x64_sys_sendmmsg+0x9d/0x100
[ 54.654736] do_syscall_64+0xfd/0x620
[ 54.658638] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 54.663896] irq event stamp: 154640
[ 54.667532] hardirqs last enabled at (154640): [<ffffffff87549a3b>] _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 54.677316] hardirqs last disabled at (154639): [<ffffffff87549ccf>] _raw_spin_lock_irqsave+0x6f/0xcd
[ 54.686673] softirqs last enabled at (154540): [<ffffffff813fdc3c>] _local_bh_enable+0x1c/0x30
[ 54.695530] softirqs last disabled at (154541): [<ffffffff814007c0>] irq_exit+0x180/0x1d0
[ 54.703827]
[ 54.703827] other info that might help us debug this:
[ 54.710477] Possible unsafe locking scenario:
[ 54.710477]
[ 54.716520] CPU0
[ 54.719095] ----
[ 54.721665] lock(&(&local->client_conns_lock)->rlock);
[ 54.727136] <Interrupt>
[ 54.729873] lock(&(&local->client_conns_lock)->rlock);
[ 54.735480]
[ 54.735480] *** DEADLOCK ***
[ 54.735480]
[ 54.741531] 1 lock held by swapper/1/0:
[ 54.745485] #0: 00000000782e65e0 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30
[ 54.754239]
[ 54.754239] stack backtrace:
[ 54.758735] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.105-syzkaller #0
[ 54.765813] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 54.775155] Call Trace:
[ 54.777727] <IRQ>
[ 54.779867] dump_stack+0x197/0x210
[ 54.783518] print_usage_bug.cold+0x330/0x42a
[ 54.787997] ? save_stack_trace+0x1a/0x20
[ 54.792129] mark_lock+0xd1b/0x1370
[ 54.795744] ? check_usage_backwards+0x340/0x340
[ 54.800488] __lock_acquire+0xc62/0x49c0
[ 54.804540] ? mark_held_locks+0x100/0x100
[ 54.808781] ? save_stack+0x45/0xd0
[ 54.812388] ? __kasan_slab_free+0x102/0x150
[ 54.816798] ? kasan_slab_free+0xe/0x10
[ 54.820750] ? kfree+0xcf/0x220
[ 54.824012] ? mark_held_locks+0x100/0x100
[ 54.828275] ? find_held_lock+0x35/0x130
[ 54.832422] ? debug_object_deactivate+0x1e4/0x360
[ 54.837359] ? mark_held_locks+0x100/0x100
[ 54.841859] ? debug_object_deactivate+0x1e4/0x360
[ 54.846775] ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 54.851886] ? lockdep_hardirqs_on+0x19b/0x5d0
[ 54.856451] lock_acquire+0x16f/0x3f0
[ 54.861554] ? rxrpc_put_client_conn+0x683/0xc20
[ 54.866294] _raw_spin_lock+0x2f/0x40
[ 54.870075] ? rxrpc_put_client_conn+0x683/0xc20
[ 54.874816] rxrpc_put_client_conn+0x683/0xc20
[ 54.879387] ? rxrpc_rcu_destroy_call+0xbd/0x200
[ 54.884135] ? rxrpc_process_call.cold+0x20/0x20
[ 54.888878] rxrpc_rcu_destroy_call+0xbd/0x200
[ 54.893443] rcu_process_callbacks+0xba0/0x1a30
[ 54.898116] ? __rcu_read_unlock+0x170/0x170
[ 54.902512] __do_softirq+0x25c/0x921
[ 54.906295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.911838] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 54.917369] irq_exit+0x180/0x1d0
[ 54.920804] smp_apic_timer_interrupt+0x13b/0x550
[ 54.925637] apic_timer_interrupt+0xf/0x20
[ 54.929861] </IRQ>
[ 54.932082] RIP: 0010:native_safe_halt+0xe/0x10
[ 54.936734] 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
[ 54.955632] RSP: 0018:ffff8880aa3b7d08 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 54.963408] RAX: 1ffffffff11e4ad4 RBX: ffff8880aa3a43c0 RCX: 0000000000000000
[ 54.970666] RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff8880aa3a4c3c
[ 54.977915] RBP: ffff8880aa3b7d38 R08: ffff8880aa3a43c0 R09: 0000000000000000
[ 54.985167] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001
[ 54.992419] R13: ffffffff88f25690 R14: 0000000000000000 R15: ffff8880aa3a43c0
[ 54.999685] ? default_idle+0x4e/0x320
[ 55.003554] arch_cpu_idle+0xa/0x10
[ 55.007160] default_idle_call+0x36/0x90
[ 55.011215] do_idle+0x30c/0x4d0
[ 55.014560] ? trace_hardirqs_on+0x67/0x220