Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts.
executing program
[ 60.793388] audit: type=1400 audit(1582552341.247:36): avc: denied { map } for pid=8266 comm="syz-executor226" path="/root/syz-executor226861348" 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
[ 60.811306] IPVS: ftp: loaded support on port[0] = 21
[ 60.881316]
[ 60.882988] ================================
[ 60.887375] WARNING: inconsistent lock state
[ 60.891761] 4.19.106-syzkaller #0 Not tainted
[ 60.896228] --------------------------------
[ 60.900645] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 60.906771] ksoftirqd/0/9 [HC0[0]:SC1[1]:HE1:SE0] takes:
[ 60.912198] 0000000021d2f422 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x683/0xc20
[ 60.922713] {SOFTIRQ-ON-W} state was registered at:
[ 60.927711] lock_acquire+0x16f/0x3f0
[ 60.931579] _raw_spin_lock+0x2f/0x40
[ 60.935448] rxrpc_connect_call+0x351/0x4920
[ 60.939930] rxrpc_new_client_call+0x8e7/0x1880
[ 60.944667] rxrpc_do_sendmsg+0xfc3/0x1ca3
[ 60.948969] rxrpc_sendmsg+0x4a0/0x5b0
[ 60.952958] sock_sendmsg+0xd7/0x130
[ 60.956756] ___sys_sendmsg+0x3e2/0x920
[ 60.960805] __sys_sendmmsg+0x1bf/0x4e0
[ 60.964855] __x64_sys_sendmmsg+0x9d/0x100
[ 60.969264] do_syscall_64+0xfd/0x620
[ 60.973133] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 60.978397] irq event stamp: 524026
[ 60.982004] hardirqs last enabled at (524026): [<ffffffff8754cb6b>] _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 60.991790] hardirqs last disabled at (524025): [<ffffffff8754cdff>] _raw_spin_lock_irqsave+0x6f/0xcd
[ 61.001174] softirqs last enabled at (523968): [<ffffffff87800633>] __do_softirq+0x633/0x921
[ 61.009819] softirqs last disabled at (523973): [<ffffffff8140049e>] run_ksoftirqd+0x8e/0x110
[ 61.018453]
[ 61.018453] other info that might help us debug this:
[ 61.025096] Possible unsafe locking scenario:
[ 61.025096]
[ 61.031130] CPU0
[ 61.033705] ----
[ 61.036263] lock(&(&local->client_conns_lock)->rlock);
[ 61.041702] <Interrupt>
[ 61.044432] lock(&(&local->client_conns_lock)->rlock);
[ 61.050033]
[ 61.050033] *** DEADLOCK ***
[ 61.050033]
[ 61.056072] 1 lock held by ksoftirqd/0/9:
[ 61.060197] #0: 000000006b9f5ab5 (rcu_callback){....}, at: rcu_process_callbacks+0xc79/0x1a30
[ 61.068951]
[ 61.068951] stack backtrace:
[ 61.073450] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.106-syzkaller #0
[ 61.080698] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 61.090042] Call Trace:
[ 61.092619] dump_stack+0x197/0x210
[ 61.096232] print_usage_bug.cold+0x330/0x42a
[ 61.100708] ? save_stack_trace+0x1a/0x20
[ 61.104837] mark_lock+0xd1b/0x1370
[ 61.108458] ? check_usage_backwards+0x340/0x340
[ 61.113208] __lock_acquire+0xc62/0x49c0
[ 61.117252] ? mark_held_locks+0x100/0x100
[ 61.121468] ? save_stack+0x45/0xd0
[ 61.125071] ? __kasan_slab_free+0x102/0x150
[ 61.129502] ? kasan_slab_free+0xe/0x10
[ 61.133453] ? kfree+0xcf/0x220
[ 61.136724] ? mark_held_locks+0x100/0x100
[ 61.140961] ? find_held_lock+0x35/0x130
[ 61.145023] ? debug_object_deactivate+0x1e4/0x360
[ 61.149934] ? mark_held_locks+0x100/0x100
[ 61.154163] ? debug_object_deactivate+0x1e4/0x360
[ 61.159073] ? _raw_spin_unlock_irqrestore+0x6b/0xe0
[ 61.164179] ? lockdep_hardirqs_on+0x19b/0x5d0
[ 61.168744] lock_acquire+0x16f/0x3f0
[ 61.172528] ? rxrpc_put_client_conn+0x683/0xc20
[ 61.177265] _raw_spin_lock+0x2f/0x40
[ 61.181057] ? rxrpc_put_client_conn+0x683/0xc20
[ 61.185828] rxrpc_put_client_conn+0x683/0xc20
[ 61.190391] ? rxrpc_rcu_destroy_call+0xbd/0x200
[ 61.195142] ? rxrpc_process_call.cold+0x20/0x20
[ 61.199875] rxrpc_rcu_destroy_call+0xbd/0x200
[ 61.204436] rcu_process_callbacks+0xba0/0x1a30
[ 61.209082] ? __rcu_read_unlock+0x170/0x170
[ 61.213479] ? sched_clock+0x2e/0x50
[ 61.217174] __do_softirq+0x25c/0x921
[ 61.220951] ? firmware_map_remove+0x1a6/0x1a6
[ 61.225520] ? takeover_tasklets+0x7b0/0x7b0
[ 61.229905] run_ksoftirqd+0x8e/