Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [ 751.781287][ T26] audit: type=1400 audit(1638925804.405:8): avc: denied { execmem } for pid=6534 comm="syz-executor748" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 751.811706][ C0] hrtimer: interrupt took 58479 ns
[ 754.109253][ T26] audit: type=1804 audit(1638925804.545:9): pid=6537 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
executing program
executing program
executing program
[ 801.368124][ T26] audit: type=1804 audit(1638925804.565:10): pid=6539 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 801.391724][ T26] audit: type=1804 audit(1638925816.706:11): pid=6543 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
executing program
executing program
executing program
[ 801.565936][ T26] audit: type=1804 audit(1638925819.336:12): pid=6543 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 810.055434][ T26] audit: type=1804 audit(1638925819.426:13): pid=6543 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 810.078556][ T26] audit: type=1804 audit(1638925845.118:14): pid=6545 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
[ 810.179910][ T26] audit: type=1804 audit(1638925854.048:15): pid=6546 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
[ 811.581536][ T26] audit: type=1804 audit(1638925854.098:16): pid=6547 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
executing program
executing program
executing program
[ 816.845930][ T26] audit: type=1804 audit(1638925854.158:17): pid=6548 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846024][ T26] audit: type=1804 audit(1638925854.178:18): pid=6548 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
[ 816.846109][ T26] audit: type=1804 audit(1638925854.198:19): pid=6548 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846194][ T26] audit: type=1804 audit(1638925854.258:20): pid=6549 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846284][ T26] audit: type=1804 audit(1638925854.358:21): pid=6549 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846368][ T26] audit: type=1804 audit(1638925854.458:22): pid=6549 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846451][ T26] audit: type=1804 audit(1638925862.749:23): pid=6551 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846534][ T26] audit: type=1804 audit(1638925864.549:24): pid=6552 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
[ 816.846617][ T26] audit: type=1804 audit(1638925864.579:25): pid=6552 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
[ 816.846699][ T26] audit: type=1804 audit(1638925864.579:26): pid=6553 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor748" name="/root/bus" dev="sda1" ino=13840 res=1 errno=0
executing program
executing program
executing program
[ 963.554574][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[ 963.561612][ C0] (detected by 0, t=10502 jiffies, g=11717, q=28)
[ 963.568120][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295033515-4295023013), jiffies_till_next_fqs=1, root ->qsmask 0x0
[ 963.581520][ C0] rcu: rcu_preempt kthread starved for 10502 jiffies! g11717 f0x0 RCU_GP_ONOFF(3) ->state=0x0 ->cpu=0
[ 963.592474][ C0] rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
[ 963.602447][ C0] rcu: RCU grace-period kthread stack dump:
[ 963.608332][ C0] task:rcu_preempt state:R running task stack:28944 pid: 14 ppid: 2 flags:0x00004000
[ 963.619174][ C0] Call Trace:
[ 963.622459][ C0]
[ 963.625399][ C0] __schedule+0xa9a/0x4940
[ 963.629982][ C0] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 963.636029][ C0] ? find_held_lock+0x2d/0x110
[ 963.640902][ C0] ? io_schedule_timeout+0x180/0x180
[ 963.646760][ C0] preempt_schedule_irq+0x4e/0x90
[ 963.651798][ C0] irqentry_exit+0x31/0x80
[ 963.656257][ C0] asm_sysvec_reschedule_ipi+0x12/0x20
[ 963.661732][ C0] RIP: 0010:rcu_gp_init+0x1df/0x12a0
[ 963.667118][ C0] Code: 01 0f 87 ea 0f 00 00 48 8d 3c dd 00 a3 b8 8b 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 db 0f 00 00 <48> 63 2d b2 c0 2d 0c 48 8b 1c dd 00 a3 b8 8b 48 83 fd 01 49 89 ee
[ 963.686822][ C0] RSP: 0000:ffffc90000f4fdf0 EFLAGS: 00000246
[ 963.692988][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
[ 963.700967][ C0] RDX: 1ffffffff1771460 RSI: 0000000000000001 RDI: ffffffff8bb8a300
[ 963.708943][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 963.717011][ C0] R10: 0000000000000003 R11: 0000000000000001 R12: ffffed1002391410
[ 963.724993][ C0] R13: ffffffff8b80f180 R14: ffffc90000f4fe88 R15: ffff888011c8a080
[ 963.733064][ C0] rcu_gp_kthread+0xab/0x320
[ 963.737675][ C0] ? rcu_gp_init+0x12a0/0x12a0
[ 963.742452][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 963.748803][ C0] ? __kthread_parkme+0x15f/0x220
[ 963.753905][ C0] ? rcu_gp_init+0x12a0/0x12a0
[ 963.758722][ C0] kthread+0x405/0x4f0
[ 963.762809][ C0] ? set_kthread_struct+0x130/0x130
[ 963.768024][ C0] ret_from_fork+0x1f/0x30
[ 963.772482][ C0]
[ 963.775510][ C0] rcu: Stack dump where RCU GP kthread last ran:
[ 963.781836][ C0] NMI backtrace for cpu 0
[ 963.786158][ C0] CPU: 0 PID: 6559 Comm: syz-executor748 Not tainted 5.16.0-rc4-syzkaller #0
[ 963.794938][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 963.804998][ C0] Call Trace:
[ 963.808284][ C0]
[ 963.811157][ C0] dump_stack_lvl+0xcd/0x134
[ 963.815860][ C0] nmi_cpu_backtrace.cold+0x47/0x144
[ 963.821156][ C0] ? lapic_can_unplug_cpu+0x80/0x80
[ 963.826408][ C0] nmi_trigger_cpumask_backtrace+0x1b3/0x230
[ 963.832442][ C0] rcu_check_gp_kthread_starvation.cold+0x1fb/0x200
[ 963.839172][ C0] rcu_sched_clock_irq+0x2125/0x2200
[ 963.844476][ C0] ? rcutree_dead_cpu+0x30/0x30
[ 963.849429][ C0] ? do_raw_spin_unlock+0x171/0x230
[ 963.854811][ C0] ? _raw_spin_unlock_irqrestore+0x3d/0x70
[ 963.860633][ C0] ? timekeeping_advance+0x978/0xe30
[ 963.865984][ C0] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 963.872245][ C0] ? hrtimer_run_queues+0x93/0x400
[ 963.877487][ C0] update_process_times+0x16d/0x200
[ 963.882693][ C0] tick_sched_handle+0x9b/0x180
[ 963.887628][ C0] tick_sched_timer+0x1b0/0x2d0
[ 963.892498][ C0] ? get_cpu_iowait_time_us+0x3f0/0x3f0
[ 963.898073][ C0] __hrtimer_run_queues+0x1c0/0xe50
[ 963.903284][ C0] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 963.909277][ C0] ? ktime_get_update_offsets_now+0x3eb/0x5c0
[ 963.915356][ C0] hrtimer_interrupt+0x31c/0x790
[ 963.920390][ C0] __sysvec_apic_timer_interrupt+0x146/0x530
[ 963.926411][ C0] sysvec_apic_timer_interrupt+0x8e/0xc0
[ 963.932058][ C0]
[ 963.935003][ C0]
[ 963.937953][ C0] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 963.943967][ C0] RIP: 0010:__kasan_check_write+0x0/0x10
[ 963.949689][ C0] Code: 83 c4 60 5b 5d 41 5c 41 5d c3 c3 e9 f0 70 45 07 cc cc cc cc cc cc cc cc cc cc 48 8b 0c 24 89 f6 31 d2 e9 f3 f9 ff ff 0f 1f 00 <48> 8b 0c 24 89 f6 ba 01 00 00 00 e9 e0 f9 ff ff 55 53 48 8b 07 48
[ 963.969307][ C0] RSP: 0018:ffffc90001f37718 EFLAGS: 00000293
[ 963.975647][ C0] RAX: 0000000000000000 RBX: 0000000000001000 RCX: 0000000000000000
[ 963.983627][ C0] RDX: ffff888072868040 RSI: 0000000000000004 RDI: ffffea0001866f34
[ 963.991694][ C0] RBP: ffffea0001866f34 R08: 000000000000007f R09: ffffea0001866f37
[ 963.999673][ C0] R10: ffffffff83d92a65 R11: 0000000000000000 R12: ffff88806f6801e0
[ 964.007653][ C0] R13: dffffc0000000000 R14: ffff88801c599800 R15: ffffc90001f37a60
[ 964.015637][ C0] ? copy_page_to_iter+0xa15/0xe20
[ 964.020850][ C0] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70
[ 964.027104][ C0] copy_page_to_iter+0xa34/0xe20
[ 964.032059][ C0] ? folio_mark_accessed+0x510/0xd40
[ 964.037410][ C0] filemap_read+0x654/0xeb0
[ 964.041958][ C0] ? filemap_get_pages+0x1be0/0x1be0
[ 964.047262][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 964.053436][ C0] generic_file_read_iter+0x3b6/0x5a0
[ 964.058848][ C0] ext4_file_read_iter+0x1d4/0x5d0
[ 964.064018][ C0] generic_file_splice_read+0x453/0x6d0
[ 964.069615][ C0] ? folio_flags.constprop.0+0x70/0x70
[ 964.075175][ C0] ? security_file_permission+0xab/0xd0
[ 964.080871][ C0] ? folio_flags.constprop.0+0x70/0x70
[ 964.086341][ C0] do_splice_to+0x1bf/0x250
[ 964.090853][ C0] ? direct_splice_actor+0x118/0x180
[ 964.096146][ C0] splice_direct_to_actor+0x2c2/0x8c0
[ 964.101922][ C0] ? generic_file_splice_read+0x6d0/0x6d0
[ 964.107849][ C0] ? do_splice_to+0x250/0x250
[ 964.112578][ C0] ? do_splice_direct+0x193/0x280
[ 964.117617][ C0] do_splice_direct+0x1b3/0x280
[ 964.122481][ C0] ? splice_direct_to_actor+0x8c0/0x8c0
[ 964.128042][ C0] ? do_sendfile+0xdf6/0x1250
[ 964.132809][ C0] do_sendfile+0xaf2/0x1250
[ 964.137346][ C0] ? do_pwritev+0x270/0x270
[ 964.141856][ C0] ? irqentry_enter+0x28/0x50
[ 964.146560][ C0] ? asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 964.152749][ C0] ? lockdep_hardirqs_on+0x79/0x100
[ 964.157963][ C0] __x64_sys_sendfile64+0x1cc/0x210
[ 964.163178][ C0] ? __ia32_sys_sendfile+0x220/0x220
[ 964.168477][ C0] ? syscall_enter_from_user_mode+0x2b/0x70
[ 964.174386][ C0] do_syscall_64+0x35/0xb0
[ 964.178818][ C0] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 964.184728][ C0] RIP: 0033:0x7fb66fb19169
[ 964.189255][ C0] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48
[ 964.208873][ C0] RSP: 002b:00007ffd990510a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
[ 964.217597][ C0] RAX: ffffffffffffffda RBX: 00000000000f4240 RCX: 00007fb66fb19169
[ 964.225583][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000004
[ 964.233570][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
[ 964.242504][ C0] R10: 00008400fffffffb R11: 0000000000000246 R12: 00000000000c626a
[ 964.250490][ C0] R13: 00007ffd990510bc R14: 00007ffd990510d0 R15: 00007ffd990510c0
[ 964.258478][ C0]