INIT: Entering runlevel: 2 [info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. 2018/03/27 12:46:16 parsed 1 programs 2018/03/27 12:46:16 executed programs: 0 syzkaller login: [ 25.104797] IPVS: ftp: loaded support on port[0] = 21 [ 25.164960] kasan: CONFIG_KASAN_INLINE enabled [ 25.170677] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 25.178038] general protection fault: 0000 [#1] SMP KASAN [ 25.183572] Dumping ftrace buffer: [ 25.187106] (ftrace buffer empty) [ 25.190808] Modules linked in: [ 25.194003] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.16.0-rc7+ #278 [ 25.200658] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.210025] RIP: 0010:timerqueue_add+0xb8/0x280 [ 25.214682] RSP: 0018:ffff8801d9b1fae8 EFLAGS: 00010002 [ 25.220039] RAX: ffffed003b664cc7 RBX: ffff8801db326620 RCX: ffffffff866a78ec [ 25.227304] RDX: 0000502020005023 RSI: ffff8801db326620 RDI: 0002810100028119 [ 25.234570] RBP: ffff8801d9b1fb28 R08: 0000000000000000 R09: 1ffff1003b363f27 [ 25.241834] R10: ffff8801d9b1fb38 R11: 0000000000000001 R12: dffffc0000000000 [ 25.249108] R13: 0002810100028101 R14: 00000005dbf36d40 R15: ffff8801b79efcc8 [ 25.256379] FS: 0000000000000000(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 25.264612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.270492] CR2: 000000009bc20000 CR3: 0000000007a22003 CR4: 00000000001606e0 [ 25.277765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.285036] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.292296] Call Trace: [ 25.294897] enqueue_hrtimer+0x177/0x4b0 [ 25.298965] ? retrigger_next_event+0x1e0/0x1e0 [ 25.303634] ? clockevents_program_event+0x108/0x2e0 [ 25.308745] ? lock_hrtimer_base.isra.16+0x75/0x130 [ 25.313853] ? lock_hrtimer_base.isra.16+0x97/0x130 [ 25.318869] hrtimer_start_range_ns+0x4f7/0xb80 [ 25.323543] ? hrtimer_run_softirq+0x220/0x220 [ 25.328129] ? cpu_load_update_nohz_start+0x70/0x70 [ 25.333141] ? trace_hardirqs_on+0xd/0x10 [ 25.337293] ? rcu_irq_exit_irqson+0x130/0x130 [ 25.341873] ? tsc_verify_tsc_adjust+0xf6/0x3e0 [ 25.346541] ? hrtimer_forward+0x19b/0x2d0 [ 25.350783] tick_nohz_idle_exit+0x53d/0x690 [ 25.355196] do_idle+0x10a/0x3b0 [ 25.358558] ? complete+0x62/0x80 [ 25.362014] cpu_startup_entry+0x104/0x120 [ 25.366245] ? cpu_in_idle+0x20/0x20 [ 25.369956] start_secondary+0x40a/0x590 [ 25.373997] ? set_cpu_sibling_map+0x1660/0x1660 [ 25.378734] secondary_startup_64+0xa5/0xb0 [ 25.383036] Code: 00 00 4d 8b 2f 4d 85 ed 74 3d e8 34 50 07 fb 48 8b 45 d0 80 38 00 0f 85 be 01 00 00 49 8d 7d 18 4c 8b 73 18 48 89 fa 48 c1 ea 03 <42> 80 3c 22 00 0f 85 9a 01 00 00 4d 3b 75 18 7c a3 e8 02 50 07 [ 25.402148] RIP: timerqueue_add+0xb8/0x280 RSP: ffff8801d9b1fae8 [ 25.408352] [ 25.408354] ====================================================== [ 25.408357] WARNING: possible circular locking dependency detected [ 25.408358] 4.16.0-rc7+ #278 Not tainted [ 25.408361] ------------------------------------------------------ [ 25.408363] swapper/1/0 is trying to acquire lock: [ 25.408364] ((console_sem).lock){..-.}, at: [<0000000000d83b48>] down_trylock+0x13/0x70 [ 25.408369] [ 25.408372] but task is already holding lock: [ 25.408372] (hrtimer_bases.lock){-.-.}, at: [<000000004848e4cd>] lock_hrtimer_base.isra.16+0x75/0x130 [ 25.408378] [ 25.408380] which lock already depends on the new lock. [ 25.408381] [ 25.408382] [ 25.408384] the existing dependency chain (in reverse order) is: [ 25.408385] [ 25.408386] -> #4 (hrtimer_bases.lock){-.-.}: [ 25.408391] _raw_spin_lock_irqsave+0x96/0xc0 [ 25.408393] lock_hrtimer_base.isra.16+0x75/0x130 [ 25.408395] hrtimer_start_range_ns+0x106/0xb80 [ 25.408397] enqueue_task_rt+0x94f/0xfb0 [ 25.408399] __sched_setscheduler+0xfef/0x2300 [ 25.408400] _sched_setscheduler+0x20d/0x350 [ 25.408402] sched_setscheduler+0xe/0x10 [ 25.408404] watchdog_enable+0x122/0x170 [ 25.408406] smpboot_thread_fn+0x359/0x7c0 [ 25.408407] kthread+0x33c/0x400 [ 25.408409] ret_from_fork+0x3a/0x50 [ 25.408410] [ 25.408410] -> #3 (&rt_b->rt_runtime_lock){-.-.}: [ 25.408416] _raw_spin_lock+0x2a/0x40 [ 25.408418] enqueue_task_rt+0x62a/0xfb0 [ 25.408420] __sched_setscheduler+0xfef/0x2300 [ 25.408421] _sched_setscheduler+0x20d/0x350 [ 25.408423] sched_setscheduler+0xe/0x10 [ 25.408425] watchdog_enable+0x122/0x170 [ 25.408426] smpboot_thread_fn+0x359/0x7c0 [ 25.408428] kthread+0x33c/0x400 [ 25.408433] ret_from_fork+0x3a/0x50 [ 25.408434] [ 25.408435] -> #2 (&rq->lock){-.-.}: [ 25.408440] _raw_spin_lock+0x2a/0x40 [ 25.408442] task_fork_fair+0x7a/0x690 [ 25.408443] sched_fork+0x450/0xc10 [ 25.408445] copy_process.part.38+0x17c9/0x4bd0 [ 25.408447] _do_fork+0x1f7/0xf70 [ 25.408448] kernel_thread+0x34/0x40 [ 25.408450] rest_init+0x22/0xf0 [ 25.408451] start_kernel+0x7f1/0x819 [ 25.408453] x86_64_start_reservations+0x2a/0x2c [ 25.408455] x86_64_start_kernel+0x77/0x7a [ 25.408457] secondary_startup_64+0xa5/0xb0 [ 25.408458] [ 25.408459] -> #1 (&p->pi_lock){-.-.}: [ 25.408464] _raw_spin_lock_irqsave+0x96/0xc0 [ 25.408466] try_to_wake_up+0xbc/0x15f0 [ 25.408467] wake_up_process+0x10/0x20 [ 25.408469] __up.isra.0+0x1cc/0x2c0 [ 25.408470] up+0x13b/0x1d0 [ 25.408472] __up_console_sem+0xb2/0x1a0 [ 25.408474] console_unlock+0x5af/0xfb0 [ 25.408475] do_con_write+0x106e/0x1f70 [ 25.408477] con_write+0x25/0xb0 [ 25.408478] n_tty_write+0x5ef/0xec0 [ 25.408480] tty_write+0x3fa/0x840 [ 25.408481] __vfs_write+0xef/0x970 [ 25.408483] vfs_write+0x189/0x510 [ 25.408484] SyS_write+0xef/0x220 [ 25.408486] do_syscall_64+0x281/0x940 [ 25.408488] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.408489] [ 25.408490] -> #0 ((console_sem).lock){..-.}: [ 25.408495] lock_acquire+0x1d5/0x580 [ 25.408497] _raw_spin_lock_irqsave+0x96/0xc0 [ 25.408499] down_trylock+0x13/0x70 [ 25.408501] __down_trylock_console_sem+0xa2/0x1e0 [ 25.408502] console_trylock+0x15/0x70 [ 25.408504] vprintk_emit+0x5b5/0xb90 [ 25.408506] vprintk_default+0x28/0x30 [ 25.408507] vprintk_func+0x57/0xc0 [ 25.408509] printk+0xaa/0xca [ 25.408510] kasan_die_handler+0x31/0x3f [ 25.408512] notifier_call_chain+0x136/0x2c0 [ 25.408514] atomic_notifier_call_chain+0x77/0x140 [ 25.408516] notify_die+0x18c/0x280 [ 25.408517] do_general_protection+0x331/0x3e0 [ 25.408519] general_protection+0x25/0x50 [ 25.408521] timerqueue_add+0xb8/0x280 [ 25.408522] enqueue_hrtimer+0x177/0x4b0 [ 25.408524] hrtimer_start_range_ns+0x4f7/0xb80 [ 25.408526] tick_nohz_idle_exit+0x53d/0x690 [ 25.408528] do_idle+0x10a/0x3b0 [ 25.408530] cpu_startup_entry+0x104/0x120 [ 25.408531] start_secondary+0x40a/0x590 [ 25.408533] secondary_startup_64+0xa5/0xb0 [ 25.408534] [ 25.408536] other info that might help us debug this: [ 25.408537] [ 25.408538] Chain exists of: [ 25.408539] (console_sem).lock --> &rt_b->rt_runtime_lock --> hrtimer_bases.lock [ 25.408546] [ 25.408548] Possible unsafe locking scenario: [ 25.408549] [ 25.408550] CPU0 CPU1 [ 25.408552] ---- ---- [ 25.408553] lock(hrtimer_bases.lock); [ 25.408557] lock(&rt_b->rt_runtime_lock); [ 25.408561] lock(hrtimer_bases.lock); [ 25.408564] lock((console_sem).lock); [ 25.408567] [ 25.408568] *** DEADLOCK *** [ 25.408569] [ 25.408570] 2 locks held by swapper/1/0: [ 25.408571] #0: (hrtimer_bases.lock){-.-.}, at: [<000000004848e4cd>] lock_hrtimer_base.isra.16+0x75/0x130 [ 25.408578] #1: (rcu_read_lock){....}, at: [<0000000040c9a5be>] atomic_notifier_call_chain+0x0/0x140 [ 25.408584] [ 25.408585] stack backtrace: [ 25.408587] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.16.0-rc7+ #278 [ 25.408590] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.408592] Call Trace: [ 25.408593] dump_stack+0x194/0x24d [ 25.408595] ? arch_local_irq_restore+0x53/0x53 [ 25.408597] print_circular_bug.isra.38+0x2cd/0x2dc [ 25.408598] ? save_trace+0xe0/0x2b0 [ 25.408600] __lock_acquire+0x30a8/0x3e00 [ 25.408602] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408604] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408606] ? trace_hardirqs_off+0x10/0x10 [ 25.408607] ? do_raw_spin_trylock+0x190/0x190 [ 25.408609] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.408611] ? __free_pages_ok+0x12cb/0x31e0 [ 25.408613] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.408614] ? __rb_erase_color+0x27b0/0x27b0 [ 25.408616] ? print_irqtrace_events+0x270/0x270 [ 25.408618] ? __lock_is_held+0xb6/0x140 [ 25.408620] ? print_irqtrace_events+0x270/0x270 [ 25.408621] ? trace_hardirqs_off+0x10/0x10 [ 25.408623] lock_acquire+0x1d5/0x580 [ 25.408625] ? lock_acquire+0x1d5/0x580 [ 25.408626] ? down_trylock+0x13/0x70 [ 25.408628] ? lock_release+0xa40/0xa40 [ 25.408629] ? vprintk_emit+0x43b/0xb90 [ 25.408631] ? lock_downgrade+0x980/0x980 [ 25.408633] ? kvm_sched_clock_read+0x25/0x40 [ 25.408634] ? sched_clock+0x31/0x40 [ 25.408636] ? sched_clock_cpu+0x1b/0x180 [ 25.408637] ? vprintk_emit+0x5b5/0xb90 [ 25.408639] _raw_spin_lock_irqsave+0x96/0xc0 [ 25.408640] ? down_trylock+0x13/0x70 [ 25.408642] down_trylock+0x13/0x70 [ 25.408644] ? vprintk_emit+0x5b5/0xb90 [ 25.408645] __down_trylock_console_sem+0xa2/0x1e0 [ 25.408647] console_trylock+0x15/0x70 [ 25.408648] vprintk_emit+0x5b5/0xb90 [ 25.408650] ? console_unlock+0xfb0/0xfb0 [ 25.408652] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408654] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408656] ? trace_hardirqs_off+0x10/0x10 [ 25.408657] ? print_irqtrace_events+0x270/0x270 [ 25.408659] vprintk_default+0x28/0x30 [ 25.408661] vprintk_func+0x57/0xc0 [ 25.408662] printk+0xaa/0xca [ 25.408664] ? show_regs_print_info+0x18/0x18 [ 25.408666] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408667] ? kasan_die_handler+0x25/0x3f [ 25.408669] kasan_die_handler+0x31/0x3f [ 25.408671] notifier_call_chain+0x136/0x2c0 [ 25.408673] ? raw_notifier_chain_unregister+0x1b0/0x1b0 [ 25.408674] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.408676] ? rcutorture_record_progress+0x10/0x10 [ 25.408678] atomic_notifier_call_chain+0x77/0x140 [ 25.408680] notify_die+0x18c/0x280 [ 25.408682] ? atomic_notifier_call_chain+0x140/0x140 [ 25.408683] ? search_exception_tables+0x47/0x50 [ 25.408685] do_general_protection+0x331/0x3e0 [ 25.408687] general_protection+0x25/0x50 [ 25.408689] RIP: 0010:timerqueue_add+0xb8/0x280 [ 25.408691] RSP: 0018:ffff8801d9b1fae8 EFLAGS: 00010002 [ 25.408694] RAX: ffffed003b664cc7 RBX: ffff8801db326620 RCX: ffffffff866a78ec [ 25.408697] RDX: 0000502020005023 RSI: ffff8801db326620 RDI: 0002810100028119 [ 25.408699] RBP: ffff8801d9b1fb28 R08: 0000000000000000 R09: 1ffff1003b363f27 [ 25.408702] R10: ffff8801d9b1fb38 R11: 0000000000000001 R12: dffffc0000000000 [ 25.408704] R13: 0002810100028101 R14: 00000005dbf36d40 R15: ffff8801b79efcc8 [ 25.408706] ? timerqueue_add+0x9c/0x280 [ 25.408708] ? timerqueue_add+0x9c/0x280 [ 25.408709] enqueue_hrtimer+0x177/0x4b0 [ 25.408711] ? retrigger_next_event+0x1e0/0x1e0 [ 25.408713] ? clockevents_program_event+0x108/0x2e0 [ 25.408715] ? lock_hrtimer_base.isra.16+0x75/0x130 [ 25.408717] ? lock_hrtimer_base.isra.16+0x97/0x130 [ 25.408718] hrtimer_start_range_ns+0x4f7/0xb80 [ 25.408720] ? hrtimer_run_softirq+0x220/0x220 [ 25.408722] ? cpu_load_update_nohz_start+0x70/0x70 [ 25.408724] ? trace_hardirqs_on+0xd/0x10 [ 25.408725] ? rcu_irq_exit_irqson+0x130/0x130 [ 25.408727] ? tsc_verify_tsc_adjust+0xf6/0x3e0 [ 25.408729] ? hrtimer_forward+0x19b/0x2d0 [ 25.408731] tick_nohz_idle_exit+0x53d/0x690 [ 25.408732] do_idle+0x10a/0x3b0 [ 25.408733] ? complete+0x62/0x80 [ 25.408735] cpu_startup_entry+0x104/0x120 [ 25.408737] ? cpu_in_idle+0x20/0x20 [ 25.408738] start_secondary+0x40a/0x590 [ 25.408740] ? set_cpu_sibling_map+0x1660/0x1660 [ 25.408742] secondary_startup_64+0xa5/0xb0 [ 26.318498] ---[ end trace 7b9cfa2b27286c06 ]--- [ 26.318500] BUG: unable to handle kernel paging request at ffff8801c91f6000 [ 26.323229] Kernel panic - not syncing: Fatal exception [ 26.335659] IP: __memmove+0x24/0x1a0 [ 26.339344] PGD 9cee067 P4D 9cee067 PUD 1d941b063 PMD 1cf506063 PTE 80000001c91f6161 [ 26.347213] Oops: 0003 [#2] SMP KASAN [ 26.350993] Dumping ftrace buffer: [ 26.354505] (ftrace buffer empty) [ 26.358191] Modules linked in: [ 26.361362] CPU: 0 PID: 4418 Comm: syz-executor0 Tainted: G D 4.16.0-rc7+ #278 [ 26.369911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.379244] RIP: 0010:__memmove+0x24/0x1a0 [ 26.383452] RSP: 0018:ffff8801b54eedd8 EFLAGS: 00010287 [ 26.388791] RAX: ffff8801b62a42c4 RBX: fffffffffffffffe RCX: ffffffffed0ae2c2 [ 26.396035] RDX: fffffffffffffffe RSI: ffff8801c91f5ffc RDI: ffff8801c91f6000 [ 26.403281] RBP: ffff8801b54eedf8 R08: ffff8801b62a42be R09: ffffed0036c54859 [ 26.410524] R10: 0000000000000001 R11: ffffed0036c54858 R12: ffff8801b62a42c4 [ 26.417766] R13: ffff8801b62a42c0 R14: ffff8801b73a40c6 R15: ffff8801b73a4000 [ 26.425014] FS: 0000000000000000(0000) GS:ffff8801db200000(0063) knlGS:0000000009ace900 [ 26.433214] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 26.439069] CR2: ffff8801c91f6000 CR3: 00000001b4c7a001 CR4: 00000000001606f0 [ 26.446315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.453560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.460803] Call Trace: [ 26.463367] ? memmove+0x45/0x50 [ 26.466712] skb_vlan_untag+0x470/0xc40 [ 26.470662] ? skb_vlan_pop+0x2a0/0x2a0 [ 26.474612] ? __lock_is_held+0xb6/0x140 [ 26.478656] __netif_receive_skb_core+0x119c/0x3460 [ 26.483652] ? nf_ingress+0x9f0/0x9f0 [ 26.487431] ? __skb_flow_dissect+0x4ce/0x3f00 [ 26.492089] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 26.497262] ? __skb_flow_get_ports+0x420/0x420 [ 26.501906] ? trace_hardirqs_off+0x10/0x10 [ 26.506206] ? __lock_is_held+0xb6/0x140 [ 26.510242] ? trace_hardirqs_off+0x10/0x10 [ 26.514542] ? find_held_lock+0x35/0x1d0 [ 26.518605] ? find_held_lock+0x35/0x1d0 [ 26.522645] ? netif_receive_skb_internal+0x1d7/0x670 [ 26.527809] ? lock_downgrade+0x980/0x980 [ 26.531940] ? pvclock_read_flags+0x160/0x160 [ 26.536416] ? lock_acquire+0x1d5/0x580 [ 26.540363] ? lock_acquire+0x1d5/0x580 [ 26.544312] ? netif_receive_skb_internal+0xa2/0x670 [ 26.549392] ? ktime_get_with_offset+0x2c1/0x420 [ 26.554125] ? lock_release+0xa40/0xa40 [ 26.558075] ? ktime_get+0x3a0/0x3a0 [ 26.561766] ? debug_object_fixup+0x30/0x30 [ 26.566059] ? lock_downgrade+0x980/0x980 [ 26.570185] __netif_receive_skb+0x2c/0x1b0 [ 26.574479] ? __netif_receive_skb+0x2c/0x1b0 [ 26.578949] netif_receive_skb_internal+0x10b/0x670 [ 26.583940] ? dev_cpu_dead+0xb00/0xb00 [ 26.587892] ? __do_once_done+0xf2/0x300 [ 26.591932] ? rcu_pm_notify+0xc0/0xc0 [ 26.596063] netif_receive_skb+0xae/0x390 [ 26.600222] ? netif_receive_skb_internal+0x670/0x670 [ 26.605391] ? find_held_lock+0x35/0x1d0 [ 26.609431] ? tun_rx_batched.isra.50+0x5c4/0x870 [ 26.614251] tun_rx_batched.isra.50+0x5ee/0x870 [ 26.618897] ? tun_sock_write_space+0x370/0x370 [ 26.623553] tun_get_user+0x299e/0x3c20 [ 26.627504] ? find_held_lock+0x35/0x1d0 [ 26.631548] ? lock_downgrade+0x900/0x980 [ 26.635674] ? tun_build_skb.isra.48+0x1840/0x1840 [ 26.640599] ? rcu_read_lock_sched_held+0x108/0x120 [ 26.645593] ? do_futex+0x86f/0x22a0 [ 26.649282] ? _raw_spin_unlock_irq+0x27/0x70 [ 26.653751] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.658751] ? tun_get+0x1ab/0x2e0 [ 26.662270] ? lock_release+0xa40/0xa40 [ 26.666223] ? __lock_is_held+0xb6/0x140 [ 26.670266] ? tun_get+0x1d4/0x2e0 [ 26.673778] ? tun_do_read+0x27c0/0x27c0 [ 26.677813] ? __lock_is_held+0xb6/0x140 [ 26.681872] ? sock_unregister+0x140/0x140 [ 26.686176] tun_chr_write_iter+0xb9/0x160 [ 26.690390] __vfs_write+0x684/0x970 [ 26.694083] ? kernel_read+0x120/0x120 [ 26.697956] ? __schedule+0x1ec0/0x1ec0 [ 26.701913] ? rw_verify_area+0xe5/0x2b0 [ 26.705948] ? __fdget_raw+0x20/0x20 [ 26.709640] vfs_write+0x189/0x510 [ 26.713157] SyS_write+0xef/0x220 [ 26.716588] ? exit_to_usermode_loop+0x198/0x2f0 [ 26.721322] ? SyS_read+0x220/0x220 [ 26.724927] ? do_fast_syscall_32+0x156/0xf9f [ 26.729402] ? SyS_read+0x220/0x220 [ 26.733002] do_fast_syscall_32+0x3ec/0xf9f [ 26.737302] ? do_int80_syscall_32+0x9c0/0x9c0 [ 26.741875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.746613] ? syscall_return_slowpath+0x2ac/0x550 [ 26.751516] ? prepare_exit_to_usermode+0x350/0x350 [ 26.756510] ? sysret32_from_system_call+0x5/0x3c [ 26.761329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.766151] entry_SYSENTER_compat+0x70/0x7f [ 26.770553] RIP: 0023:0xf7f5bc99 [ 26.773900] RSP: 002b:00000000ffee1a1c EFLAGS: 00000282 ORIG_RAX: 0000000000000004 [ 26.781581] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020000180 [ 26.788827] RDX: 000000000000007a RSI: 0000000000000000 RDI: 0000000000000000 [ 26.796764] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.804006] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.811248] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.818502] Code: 90 90 90 90 90 90 90 48 89 f8 48 83 fa 20 0f 82 03 01 00 00 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f 9f 00 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 3b 48 83 ea 20 [ 26.837966] RIP: __memmove+0x24/0x1a0 RSP: ffff8801b54eedd8 [ 26.844003] CR2: ffff8801c91f6000 [ 26.847429] ---[ end trace 7b9cfa2b27286c07 ]--- [ 27.382950] Shutting down cpus with NMI [ 27.387539] Dumping ftrace buffer: [ 27.391052] (ftrace buffer empty) [ 27.394734] Kernel Offset: disabled [ 27.398333] Rebooting in 86400 seconds..