[ 97.401653][ T27] audit: type=1400 audit(1581236358.676:37): avc: denied { watch } for pid=10934 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 97.446515][ T27] audit: type=1400 audit(1581236358.706:38): avc: denied { watch } for pid=10934 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon:[ 97.713728][ T27] audit: type=1800 audit(1581236358.986:39): pid=10847 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 restorecond[?2[ 97.737568][ T27] audit: type=1800 audit(1581236358.996:40): pid=10847 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 5l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 100.862490][ T27] audit: type=1400 audit(1581236362.136:41): avc: denied { map } for pid=11024 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.175' (ECDSA) to the list of known hosts. executing program [ 107.771558][ T27] audit: type=1400 audit(1581236369.046:42): avc: denied { map } for pid=11036 comm="syz-executor381" path="/root/syz-executor381605509" 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 [ 107.787526][T11037] IPVS: ftp: loaded support on port[0] = 21 [ 107.866012][ C1] [ 107.868392][ C1] ================================ [ 107.873480][ C1] WARNING: inconsistent lock state [ 107.878570][ C1] 5.5.0-syzkaller #0 Not tainted [ 107.883534][ C1] -------------------------------- [ 107.888655][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 107.895491][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 107.901453][ C1] ffff8880a83001c8 (&(&local->client_conns_lock)->rlock){+.?.}, at: rxrpc_put_client_conn+0x6ed/0xc90 [ 107.912468][ C1] {SOFTIRQ-ON-W} state was registered at: [ 107.918176][ C1] lock_acquire+0x190/0x410 [ 107.922771][ C1] _raw_spin_lock+0x2f/0x40 [ 107.927352][ C1] rxrpc_connect_call+0x358/0x4e30 [ 107.932539][ C1] rxrpc_new_client_call+0x9c0/0x1ad0 [ 107.937985][ C1] rxrpc_do_sendmsg+0xffa/0x1d5f [ 107.943004][ C1] rxrpc_sendmsg+0x4d6/0x5f0 [ 107.947668][ C1] sock_sendmsg+0xd7/0x130 [ 107.952214][ C1] ____sys_sendmsg+0x358/0x880 [ 107.957045][ C1] ___sys_sendmsg+0x100/0x170 [ 107.961784][ C1] __sys_sendmmsg+0x1bf/0x4d0 [ 107.966535][ C1] __x64_sys_sendmmsg+0x9d/0x100 [ 107.971552][ C1] do_syscall_64+0xfa/0x790 [ 107.976127][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 107.982076][ C1] irq event stamp: 192014 [ 107.986398][ C1] hardirqs last enabled at (192014): [] _raw_spin_unlock_irqrestore+0x66/0xe0 [ 107.996899][ C1] hardirqs last disabled at (192013): [] _raw_spin_lock_irqsave+0x6f/0xcd [ 108.006990][ C1] softirqs last enabled at (191930): [] _local_bh_enable+0x1c/0x30 [ 108.016531][ C1] softirqs last disabled at (191931): [] irq_exit+0x19b/0x1e0 [ 108.025533][ C1] [ 108.025533][ C1] other info that might help us debug this: [ 108.033582][ C1] Possible unsafe locking scenario: [ 108.033582][ C1] [ 108.041021][ C1] CPU0 [ 108.044369][ C1] ---- [ 108.047632][ C1] lock(&(&local->client_conns_lock)->rlock); [ 108.053778][ C1] [ 108.057213][ C1] lock(&(&local->client_conns_lock)->rlock); [ 108.063573][ C1] [ 108.063573][ C1] *** DEADLOCK *** [ 108.063573][ C1] [ 108.071756][ C1] 1 lock held by swapper/1/0: [ 108.076408][ C1] #0: ffffffff89bac140 (rcu_callback){....}, at: rcu_core+0x562/0x1390 [ 108.084729][ C1] [ 108.084729][ C1] stack backtrace: [ 108.090618][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.5.0-syzkaller #0 [ 108.098144][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 108.108195][ C1] Call Trace: [ 108.111495][ C1] [ 108.114362][ C1] dump_stack+0x197/0x210 [ 108.118673][ C1] print_usage_bug.cold+0x327/0x378 [ 108.123862][ C1] mark_lock+0xbb4/0x1220 [ 108.128184][ C1] ? kfree+0x10a/0x2c0 [ 108.132343][ C1] ? check_usage_backwards+0x330/0x330 [ 108.137790][ C1] ? __nf_hook_entries_free+0x31/0x40 [ 108.143320][ C1] __lock_acquire+0x1e8e/0x4a00 [ 108.148163][ C1] ? find_held_lock+0x35/0x130 [ 108.152931][ C1] ? __kasan_check_read+0x11/0x20 [ 108.157936][ C1] ? mark_lock+0xc2/0x1220 [ 108.162339][ C1] ? mark_held_locks+0xf0/0xf0 [ 108.167196][ C1] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 108.173188][ C1] lock_acquire+0x190/0x410 [ 108.177743][ C1] ? rxrpc_put_client_conn+0x6ed/0xc90 [ 108.183322][ C1] _raw_spin_lock+0x2f/0x40 [ 108.187814][ C1] ? rxrpc_put_client_conn+0x6ed/0xc90 [ 108.193419][ C1] rxrpc_put_client_conn+0x6ed/0xc90 [ 108.198687][ C1] ? rxrpc_rcu_destroy_call+0xbd/0x200 [ 108.204123][ C1] rxrpc_rcu_destroy_call+0xbd/0x200 [ 108.209399][ C1] rcu_core+0x5e1/0x1390 [ 108.213624][ C1] ? __rcu_read_unlock+0x700/0x700 [ 108.218725][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 108.224372][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 108.230342][ C1] ? run_rebalance_domains+0x227/0x2d0 [ 108.235780][ C1] rcu_core_si+0x9/0x10 [ 108.239929][ C1] __do_softirq+0x262/0x98c [ 108.244424][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 108.249265][ C1] irq_exit+0x19b/0x1e0 [ 108.253413][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 108.258949][ C1] apic_timer_interrupt+0xf/0x20 [ 108.263880][ C1] [ 108.266809][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 108.272206][ C1] Code: 38 3e c6 f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 14 99 5a 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 04 99 5a 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 4e f5 74 f9 e8 89 [ 108.291819][ C1] RSP: 0018:ffffc90000d3fd68 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 [ 108.300221][ C1] RAX: 1ffffffff1367612 RBX: ffff8880a9a0a340 RCX: 0000000000000000 [ 108.308271][ C1] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffff8880a9a0abd4 [ 108.316229][ C1] RBP: ffffc90000d3fd98 R08: ffff8880a9a0a340 R09: 0000000000000000 [ 108.324200][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 108.332412][ C1] R13: ffffffff8aa587c0 R14: 0000000000000000 R15: 0000000000000001 [ 108.340395][ C1] ? default_idle+0x4e/0x360 [ 108.344993][ C1] arch_cpu_idle+0xa/0x10 [ 108.349323][ C1] default_idle_call+0x84/0xb0 [ 108.354072][ C1] do_idle+0x3c8/0x6e0 [ 108.358136][ C1] ? __this_cpu_preempt_check+0x35/0x190 [ 108.363912][ C1] ? arch_cpu_idle_exit+0x80/0