INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes [ 449.685756] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. [ 455.237607] random: sshd: uninitialized urandom read (32 bytes read) [ 455.333042] audit: type=1400 audit(1554904135.917:7): avc: denied { map } for pid=1849 comm="syz-executor389" path="/root/syz-executor389667250" dev="sda1" ino=16461 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 455.735338] hrtimer: interrupt took 27820 ns INIT: Id "1" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "2" respawning too fast: disabled for 5 minutes [ 622.400049] INFO: rcu_preempt self-detected stall on CPU [ 622.405578] 0-...: (10499 ticks this GP) idle=84a/140000000000001/0 softirq=6165/6166 fqs=5232 [ 622.414490] (t=10500 jiffies g=2677 c=2676 q=174) [ 622.419572] NMI backtrace for cpu 0 [ 622.423311] CPU: 0 PID: 3358 Comm: syz-executor389 Not tainted 4.14.111+ #51 [ 622.430505] Call Trace: [ 622.433075] [ 622.435379] dump_stack+0xb9/0x10e [ 622.438941] ? irq_force_complete_move+0x2d1/0x2e5 [ 622.451293] nmi_cpu_backtrace.cold+0x47/0x86 [ 622.455810] ? irq_force_complete_move.cold+0x7b/0x7b [ 622.461014] ? nmi_trigger_cpumask_backtrace+0x119/0x147 [ 622.466502] ? rcu_dump_cpu_stacks+0x16d/0x1b8 [ 622.471086] ? rcu_check_callbacks.cold+0x489/0xdb2 [ 622.476101] ? rcu_lockdep_current_cpu_online+0x57/0x140 [ 622.481566] ? __raise_softirq_irqoff+0x63/0x1b0 [ 622.486336] ? update_process_times+0x24/0x60 [ 622.490861] ? tick_sched_handle.isra.0+0x73/0x150 [ 622.495788] ? tick_sched_timer+0x7e/0x170 [ 622.500036] ? tick_sched_handle.isra.0+0x150/0x150 [ 622.505061] ? __hrtimer_run_queues+0x269/0xc10 [ 622.509726] ? hrtimer_start_range_ns+0x1080/0x1080 [ 622.514739] ? ktime_get_update_offsets_now+0x207/0x2f0 [ 622.520277] ? hrtimer_interrupt+0x1bd/0x490 [ 622.528066] ? smp_apic_timer_interrupt+0x136/0x620 [ 622.533089] ? apic_timer_interrupt+0x84/0x90 [ 622.537574] [ 622.539821] ? memcpy_erms+0x8/0x10 [ 622.543554] ? perf_output_read+0x685/0xfc0 [ 622.547887] ? perf_event_exit_cpu_context+0x170/0x170 [ 622.553167] ? mark_held_locks+0xa6/0xf0 [ 622.557224] ? retint_kernel+0x2d/0x2d [ 622.561105] ? perf_output_copy+0x149/0x1d0 [ 622.565508] ? retint_kernel+0x2d/0x2d [ 622.569381] ? perf_output_sample+0xcea/0x1700 [ 622.573950] ? __perf_event_header__init_id.isra.0+0x276/0x430 [ 622.579908] ? perf_prepare_sample+0x656/0x1330 [ 622.584566] ? perf_event__output_id_sample+0x70/0x70 [ 622.589755] ? perf_output_sample+0x1700/0x1700 [ 622.594422] ? lock_acquire+0x10f/0x380 [ 622.598390] ? perf_prepare_sample+0x1330/0x1330 [ 622.603290] ? perf_event_output_forward+0x10b/0x220 [ 622.608402] ? perf_prepare_sample+0x1330/0x1330 [ 622.613186] ? mark_held_locks+0xa6/0xf0 [ 622.617293] ? check_preemption_disabled+0x35/0x1f0 [ 622.622356] ? __perf_event_overflow+0x116/0x320 [ 622.629067] ? perf_swevent_overflow+0x17b/0x210 [ 622.633813] ? ___perf_sw_event+0x11b/0x4a0 [ 622.638138] ? perf_swevent_event+0x19c/0x270 [ 622.642624] ? ___perf_sw_event+0x2a4/0x4a0 [ 622.646933] ? perf_pending_event+0xd0/0xd0 [ 622.651943] ? lock_downgrade+0x5d0/0x5d0 [ 622.656084] ? lock_acquire+0x10f/0x380 [ 622.660070] ? __handle_mm_fault+0xcc0/0x2640 [ 622.664643] ? _raw_spin_unlock+0x29/0x40 [ 622.668786] ? __handle_mm_fault+0x6c5/0x2640 [ 622.674611] ? trace_hardirqs_on+0x10/0x10 [ 622.678857] ? vm_insert_page+0x780/0x780 [ 622.683019] ? mark_held_locks+0xa6/0xf0 [ 622.687068] ? __do_page_fault+0x48e/0xb80 [ 622.691286] ? check_preemption_disabled+0x35/0x1f0 [ 622.696301] ? __perf_sw_event+0x42/0x80 [ 622.700351] ? __perf_sw_event+0x42/0x80 [ 622.704394] ? __do_page_fault+0x785/0xb80 [ 622.708633] ? bad_area_access_error+0x340/0x340 [ 622.713383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 622.718327] ? page_fault+0x22/0x50 [ 622.721949] ? copy_user_enhanced_fast_string+0x7/0x10 [ 622.727298] ? copyin+0x99/0xc0 [ 622.730565] ? copy_page_from_iter+0x32e/0x7f0 [ 622.735142] ? pipe_write+0x250/0xe20 [ 622.738933] ? __vfs_write+0x401/0x5a0 [ 622.743148] ? kernel_read+0x110/0x110 [ 622.747041] ? security_file_permission+0x88/0x1e0 [ 622.751976] ? vfs_write+0x17f/0x4d0 [ 622.755672] ? SyS_write+0xc0/0x1a0 [ 622.759278] ? SyS_read+0x1a0/0x1a0 [ 622.762911] ? do_syscall_64+0x43/0x4b0 [ 622.766864] ? SyS_read+0x1a0/0x1a0 [ 622.770472] ? do_syscall_64+0x19b/0x4b0 [ 622.774518] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 622.930037] INFO: rcu_sched self-detected stall on CPU [ 622.935396] 0-...: (10463 ticks this GP) idle=84a/140000000000001/0 softirq=6166/6166 fqs=5215 [ 622.944298] (t=10500 jiffies g=1273 c=1272 q=6) [ 622.949133] NMI backtrace for cpu 0 [ 622.952739] CPU: 0 PID: 3358 Comm: syz-executor389 Not tainted 4.14.111+ #51 [ 622.959903] Call Trace: [ 622.962483] [ 622.964621] dump_stack+0xb9/0x10e [ 622.968147] ? irq_force_complete_move+0x2d1/0x2e5 [ 622.973060] nmi_cpu_backtrace.cold+0x47/0x86 [ 622.977556] ? irq_force_complete_move.cold+0x7b/0x7b [ 622.982732] ? nmi_trigger_cpumask_backtrace+0x119/0x147 [ 622.988166] ? rcu_dump_cpu_stacks+0x16d/0x1b8 [ 622.992731] ? rcu_check_callbacks.cold+0x489/0xdb2 [ 622.997726] ? rcu_lockdep_current_cpu_online+0x57/0x140 [ 623.003160] ? __raise_softirq_irqoff+0x63/0x1b0 [ 623.007898] ? update_process_times+0x24/0x60 [ 623.012383] ? tick_sched_handle.isra.0+0x73/0x150 [ 623.017289] ? tick_sched_timer+0x7e/0x170 [ 623.021501] ? tick_sched_handle.isra.0+0x150/0x150 [ 623.026494] ? __hrtimer_run_queues+0x269/0xc10 [ 623.031154] ? hrtimer_start_range_ns+0x1080/0x1080 [ 623.036151] ? ktime_get_update_offsets_now+0x207/0x2f0 [ 623.041498] ? hrtimer_interrupt+0x1bd/0x490 [ 623.045891] ? smp_apic_timer_interrupt+0x136/0x620 [ 623.050910] ? apic_timer_interrupt+0x84/0x90 [ 623.055399] [ 623.057646] ? memcpy_erms+0x8/0x10 [ 623.061259] ? perf_output_read+0x685/0xfc0 [ 623.065565] ? perf_event_exit_cpu_context+0x170/0x170 [ 623.070907] ? mark_held_locks+0xa6/0xf0 [ 623.074965] ? retint_kernel+0x2d/0x2d [ 623.078845] ? perf_output_copy+0x149/0x1d0 [ 623.083149] ? retint_kernel+0x2d/0x2d [ 623.087015] ? perf_output_sample+0xcea/0x1700 [ 623.091589] ? __perf_event_header__init_id.isra.0+0x276/0x430 [ 623.097640] ? perf_prepare_sample+0x656/0x1330 [ 623.102334] ? perf_event__output_id_sample+0x70/0x70 [ 623.107520] ? perf_output_sample+0x1700/0x1700 [ 623.112182] ? lock_acquire+0x10f/0x380 [ 623.116307] ? perf_prepare_sample+0x1330/0x1330 [ 623.121054] ? perf_event_output_forward+0x10b/0x220 [ 623.126147] ? perf_prepare_sample+0x1330/0x1330 [ 623.130910] ? mark_held_locks+0xa6/0xf0 [ 623.134960] ? check_preemption_disabled+0x35/0x1f0 [ 623.139961] ? __perf_event_overflow+0x116/0x320 [ 623.144696] ? perf_swevent_overflow+0x17b/0x210 [ 623.149426] ? ___perf_sw_event+0x11b/0x4a0 [ 623.153742] ? perf_swevent_event+0x19c/0x270 [ 623.158221] ? ___perf_sw_event+0x2a4/0x4a0 [ 623.162523] ? perf_pending_event+0xd0/0xd0 [ 623.166839] ? lock_downgrade+0x5d0/0x5d0 [ 623.170968] ? lock_acquire+0x10f/0x380 [ 623.174943] ? __handle_mm_fault+0xcc0/0x2640 [ 623.179455] ? _raw_spin_unlock+0x29/0x40 [ 623.183606] ? __handle_mm_fault+0x6c5/0x2640 [ 623.188083] ? trace_hardirqs_on+0x10/0x10 [ 623.192311] ? vm_insert_page+0x780/0x780 [ 623.196465] ? mark_held_locks+0xa6/0xf0 [ 623.200511] ? __do_page_fault+0x48e/0xb80 [ 623.204725] ? check_preemption_disabled+0x35/0x1f0 [ 623.209737] ? __perf_sw_event+0x42/0x80 [ 623.213775] ? __perf_sw_event+0x42/0x80 [ 623.217821] ? __do_page_fault+0x785/0xb80 [ 623.222046] ? bad_area_access_error+0x340/0x340 [ 623.226780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 623.231610] ? page_fault+0x22/0x50 [ 623.235223] ? copy_user_enhanced_fast_string+0x7/0x10 [ 623.240479] ? copyin+0x99/0xc0 [ 623.243735] ? copy_page_from_iter+0x32e/0x7f0 [ 623.248301] ? pipe_write+0x250/0xe20 [ 623.252092] ? __vfs_write+0x401/0x5a0 [ 623.255958] ? kernel_read+0x110/0x110 [ 623.259834] ? security_file_permission+0x88/0x1e0 [ 623.264749] ? vfs_write+0x17f/0x4d0 [ 623.268458] ? SyS_write+0xc0/0x1a0 [ 623.272062] ? SyS_read+0x1a0/0x1a0 [ 623.275669] ? do_syscall_64+0x43/0x4b0 [ 623.279688] ? SyS_read+0x1a0/0x1a0 [ 623.283299] ? do_syscall_64+0x19b/0x4b0 [ 623.287354] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7