. [ 33.473665] audit: type=1800 audit(1578638914.976:34): pid=7104 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=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 37.751698] random: sshd: uninitialized urandom read (32 bytes read) [ 37.980879] audit: type=1400 audit(1578638919.516:35): avc: denied { map } for pid=7277 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 [ 38.029562] random: sshd: uninitialized urandom read (32 bytes read) [ 38.680797] random: sshd: uninitialized urandom read (32 bytes read) [ 888.173744] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.85' (ECDSA) to the list of known hosts. [ 893.793392] random: sshd: uninitialized urandom read (32 bytes read) executing program executing program executing program executing program executing program executing program [ 893.913912] audit: type=1400 audit(1578639775.446:36): avc: denied { map } for pid=7289 comm="syz-executor580" path="/root/syz-executor580505589" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 1144.790223] INFO: task syz-executor580:7297 blocked for more than 140 seconds. [ 1144.790231] Not tainted 4.14.163-syzkaller #0 [ 1144.790234] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.790239] syz-executor580 D28528 7297 7293 0x00000004 [ 1144.790257] Call Trace: [ 1144.790356] __schedule+0x7b8/0x1cd0 [ 1144.790371] ? firmware_map_remove+0x196/0x196 [ 1144.790423] ? __lock_acquire+0x5f7/0x4620 [ 1144.790435] schedule+0x92/0x1c0 [ 1144.790445] schedule_timeout+0x93b/0xe10 [ 1144.790453] ? __down+0x158/0x290 [ 1144.790462] ? find_held_lock+0x35/0x130 [ 1144.790471] ? usleep_range+0x130/0x130 [ 1144.790478] ? __down+0x158/0x290 [ 1144.790488] ? save_trace+0x290/0x290 [ 1144.790499] ? _raw_spin_unlock_irq+0x28/0x90 [ 1144.790509] ? trace_hardirqs_on_caller+0x400/0x590 [ 1144.790521] __down+0x160/0x290 [ 1144.790532] ? ww_mutex_lock+0xc0/0xc0 [ 1144.790547] down+0x64/0x90 [ 1144.790574] console_lock+0x28/0x80 [ 1144.790619] do_fb_ioctl+0x36a/0x940 [ 1144.790628] ? lock_downgrade+0x740/0x740 [ 1144.790635] ? fb_read+0x520/0x520 [ 1144.790686] ? avc_has_extended_perms+0x8ec/0xe40 [ 1144.790694] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.790706] ? avc_ss_reset+0x110/0x110 [ 1144.790752] ? follow_pfn+0x220/0x220 [ 1144.790761] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.790771] ? do_wp_page+0x253/0x1250 [ 1144.790844] ? __might_sleep+0x93/0xb0 [ 1144.790852] ? save_trace+0x290/0x290 [ 1144.790863] fb_ioctl+0xe6/0x130 [ 1144.790872] ? do_fb_ioctl+0x940/0x940 [ 1144.790910] do_vfs_ioctl+0x7ae/0x1060 [ 1144.790919] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1144.790930] ? ioctl_preallocate+0x1c0/0x1c0 [ 1144.790939] ? lock_downgrade+0x740/0x740 [ 1144.790955] ? security_file_ioctl+0x7d/0xb0 [ 1144.790963] ? security_file_ioctl+0x89/0xb0 [ 1144.790974] SyS_ioctl+0x8f/0xc0 [ 1144.790983] ? do_vfs_ioctl+0x1060/0x1060 [ 1144.790995] do_syscall_64+0x1e8/0x640 [ 1144.791003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.791017] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.791024] RIP: 0033:0x441419 [ 1144.791028] RSP: 002b:00007ffe6a8e38b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1144.791038] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 1144.791043] RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 [ 1144.791048] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 1144.791053] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402190 [ 1144.791058] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 1144.791076] INFO: task syz-executor580:7299 blocked for more than 140 seconds. [ 1144.791081] Not tainted 4.14.163-syzkaller #0 [ 1144.791084] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.791088] syz-executor580 D28528 7299 7294 0x00000004 [ 1144.791105] Call Trace: [ 1144.791117] __schedule+0x7b8/0x1cd0 [ 1144.791130] ? firmware_map_remove+0x196/0x196 [ 1144.791138] ? __lock_acquire+0x5f7/0x4620 [ 1144.791150] schedule+0x92/0x1c0 [ 1144.791160] schedule_timeout+0x93b/0xe10 [ 1144.791169] ? __down+0x158/0x290 [ 1144.791178] ? find_held_lock+0x35/0x130 [ 1144.791187] ? usleep_range+0x130/0x130 [ 1144.791194] ? __down+0x158/0x290 [ 1144.791204] ? save_trace+0x290/0x290 [ 1144.791215] ? _raw_spin_unlock_irq+0x28/0x90 [ 1144.791225] ? trace_hardirqs_on_caller+0x400/0x590 [ 1144.791237] __down+0x160/0x290 [ 1144.791247] ? ww_mutex_lock+0xc0/0xc0 [ 1144.791263] down+0x64/0x90 [ 1144.791271] console_lock+0x28/0x80 [ 1144.791278] do_fb_ioctl+0x36a/0x940 [ 1144.791286] ? lock_downgrade+0x740/0x740 [ 1144.791294] ? fb_read+0x520/0x520 [ 1144.791304] ? avc_has_extended_perms+0x8ec/0xe40 [ 1144.791312] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.791324] ? avc_ss_reset+0x110/0x110 [ 1144.791335] ? follow_pfn+0x220/0x220 [ 1144.791344] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.791354] ? do_wp_page+0x253/0x1250 [ 1144.791373] ? __might_sleep+0x93/0xb0 [ 1144.791381] ? save_trace+0x290/0x290 [ 1144.791392] fb_ioctl+0xe6/0x130 [ 1144.791401] ? do_fb_ioctl+0x940/0x940 [ 1144.791409] do_vfs_ioctl+0x7ae/0x1060 [ 1144.791418] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1144.791428] ? ioctl_preallocate+0x1c0/0x1c0 [ 1144.791437] ? lock_downgrade+0x740/0x740 [ 1144.791453] ? security_file_ioctl+0x7d/0xb0 [ 1144.791461] ? security_file_ioctl+0x89/0xb0 [ 1144.791472] SyS_ioctl+0x8f/0xc0 [ 1144.791480] ? do_vfs_ioctl+0x1060/0x1060 [ 1144.791490] do_syscall_64+0x1e8/0x640 [ 1144.791498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.791510] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.791516] RIP: 0033:0x441419 [ 1144.791520] RSP: 002b:00007ffe6a8e38b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1144.791528] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 1144.791533] RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 [ 1144.791538] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 1144.791543] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402190 [ 1144.791548] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 1144.791565] INFO: task syz-executor580:7301 blocked for more than 140 seconds. [ 1144.791570] Not tainted 4.14.163-syzkaller #0 [ 1144.791573] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1144.791576] syz-executor580 D28528 7301 7290 0x00000004 [ 1144.791591] Call Trace: [ 1144.791602] __schedule+0x7b8/0x1cd0 [ 1144.791610] ? __mutex_lock+0x737/0x1470 [ 1144.791622] ? firmware_map_remove+0x196/0x196 [ 1144.791635] schedule+0x92/0x1c0 [ 1144.791645] schedule_preempt_disabled+0x13/0x20 [ 1144.791653] __mutex_lock+0x73c/0x1470 [ 1144.791663] ? fb_open+0xb7/0x420 [ 1144.791675] ? mutex_trylock+0x1c0/0x1c0 [ 1144.791686] ? __mutex_unlock_slowpath+0x71/0x800 [ 1144.791694] ? find_held_lock+0x35/0x130 [ 1144.791712] mutex_lock_nested+0x16/0x20 [ 1144.791720] ? mutex_lock_nested+0x16/0x20 [ 1144.791727] fb_open+0xb7/0x420 [ 1144.791737] ? get_fb_info.part.0+0x80/0x80 [ 1144.791765] chrdev_open+0x207/0x590 [ 1144.791776] ? cdev_put.part.0+0x50/0x50 [ 1144.791786] ? security_file_open+0x89/0x190 [ 1144.791797] do_dentry_open+0x73b/0xeb0 [ 1144.791811] ? cdev_put.part.0+0x50/0x50 [ 1144.791824] vfs_open+0x105/0x220 [ 1144.791835] path_openat+0x8bd/0x3f70 [ 1144.791843] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.791854] ? trace_hardirqs_on+0x10/0x10 [ 1144.791870] ? path_lookupat.isra.0+0x7b0/0x7b0 [ 1144.791877] ? __lock_is_held+0xb6/0x140 [ 1144.791886] ? save_trace+0x290/0x290 [ 1144.791898] ? __alloc_fd+0x1d4/0x4a0 [ 1144.791908] do_filp_open+0x18e/0x250 [ 1144.791916] ? __alloc_fd+0x1d4/0x4a0 [ 1144.791925] ? may_open_dev+0xe0/0xe0 [ 1144.791939] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.791948] ? _raw_spin_unlock+0x2d/0x50 [ 1144.791957] ? __alloc_fd+0x1d4/0x4a0 [ 1144.791975] do_sys_open+0x2c5/0x430 [ 1144.791985] ? filp_open+0x70/0x70 [ 1144.791992] ? up_read+0x1a/0x40 [ 1144.792007] SyS_openat+0x30/0x40 [ 1144.792015] ? SyS_open+0x40/0x40 [ 1144.792024] do_syscall_64+0x1e8/0x640 [ 1144.792032] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.792045] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.792050] RIP: 0033:0x441419 [ 1144.792054] RSP: 002b:00007ffe6a8e38b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 1144.792063] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 1144.792068] RDX: 0000000000000000 RSI: 0000000020000180 RDI: ffffffffffffff9c [ 1144.792073] RBP: 00000000006cb018 R08: 0000000000000004 R09: 00000000004002c8 [ 1144.792077] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402190 [ 1144.792082] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 1144.792097] [ 1144.792097] Showing all locks held in the system: [ 1144.792106] 1 lock held by khungtaskd/1059: [ 1144.792110] #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x7f/0x21f [ 1144.792142] 1 lock held by rsyslogd/7142: [ 1144.792145] #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xab/0xd0 [ 1144.792166] 2 locks held by getty/7264: [ 1144.792168] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792186] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792229] 2 locks held by getty/7265: [ 1144.792232] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792249] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792280] 2 locks held by getty/7266: [ 1144.792283] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792300] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792316] 2 locks held by getty/7267: [ 1144.792318] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792333] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792352] 2 locks held by getty/7268: [ 1144.792355] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792372] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792391] 2 locks held by getty/7269: [ 1144.792393] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792410] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792429] 2 locks held by getty/7270: [ 1144.792432] #0: (&tty->ldisc_sem){++++}, at: [] ldsem_down_read+0x33/0x40 [ 1144.792449] #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1e6/0x17d0 [ 1144.792469] 1 lock held by syz-executor580/7296: [ 1144.792472] #0: (&fb_info->lock){+.+.}, at: [] fb_release+0x55/0x150 [ 1144.792492] 1 lock held by syz-executor580/7300: [ 1144.792494] #0: (&fb_info->lock){+.+.}, at: [] fb_open+0xb7/0x420 [ 1144.792513] 1 lock held by syz-executor580/7301: [ 1144.792516] #0: (&fb_info->lock){+.+.}, at: [] fb_open+0xb7/0x420 [ 1144.792533] [ 1144.792537] ============================================= [ 1144.792537] [ 1144.792542] NMI backtrace for cpu 0 [ 1144.792549] CPU: 0 PID: 1059 Comm: khungtaskd Not tainted 4.14.163-syzkaller #0 [ 1144.792554] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.792557] Call Trace: [ 1144.792585] dump_stack+0x142/0x197 [ 1144.792597] nmi_cpu_backtrace.cold+0x57/0x94 [ 1144.792643] ? irq_force_complete_move.cold+0x7d/0x7d [ 1144.792651] nmi_trigger_cpumask_backtrace+0x141/0x189 [ 1144.792663] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1144.792703] watchdog+0x5e7/0xb90 [ 1144.792736] kthread+0x319/0x430 [ 1144.792743] ? hungtask_pm_notify+0x50/0x50 [ 1144.792750] ? kthread_create_on_node+0xd0/0xd0 [ 1144.792759] ret_from_fork+0x24/0x30 [ 1144.792775] Sending NMI from CPU 0 to CPUs 1: [ 1144.793291] NMI backtrace for cpu 1 [ 1144.793295] CPU: 1 PID: 7298 Comm: syz-executor580 Not tainted 4.14.163-syzkaller #0 [ 1144.793304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.793306] task: ffff8880892ca500 task.stack: ffff88807ef68000 [ 1144.793309] RIP: 0010:bitfill_aligned+0xba/0x190 [ 1144.793311] RSP: 0018:ffff88807ef6f210 EFLAGS: 00000246 [ 1144.793316] RAX: 0000000000000050 RBX: 0000000000001400 RCX: 0000000000000000 [ 1144.793318] RDX: 0000000000000000 RSI: ffff8880000a0000 RDI: 0000000000000040 [ 1144.793321] RBP: ffff88807ef6f248 R08: 0000000000001400 R09: 0000000000000040 [ 1144.793324] R10: ffffed1014bd7983 R11: ffff8880a5ebcc1f R12: 0000000000000000 [ 1144.793327] R13: 0000000000000000 R14: ffff8880000a0000 R15: 0000000000000000 [ 1144.793330] FS: 0000000001a5b880(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 [ 1144.793333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1144.793335] CR2: 00000000006cb090 CR3: 00000000930b9000 CR4: 00000000001406e0 [ 1144.793338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1144.793341] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1144.793343] Call Trace: [ 1144.793345] cfb_fillrect+0x3d0/0x720 [ 1144.793347] ? cfb_fillrect+0x720/0x720 [ 1144.793349] vga16fb_fillrect+0x618/0x1880 [ 1144.793351] ? memcpy+0x46/0x50 [ 1144.793353] bit_clear_margins+0x2d5/0x4f0 [ 1144.793354] ? bit_bmove+0x240/0x240 [ 1144.793357] ? efifb_probe.cold+0x1379/0x1379 [ 1144.793359] fbcon_clear_margins+0x292/0x320 [ 1144.793361] fbcon_switch+0xd38/0x1820 [ 1144.793363] ? fbcon_set_def_font+0x360/0x360 [ 1144.793365] ? fbcon_set_origin+0x21/0x50 [ 1144.793367] ? fbcon_scrolldelta+0x1100/0x1100 [ 1144.793369] ? set_origin+0x108/0x3c0 [ 1144.793371] redraw_screen+0x335/0x7c0 [ 1144.793373] ? con_flush_chars+0x90/0x90 [ 1144.793375] ? fbcon_set_palette+0x203/0x5b0 [ 1144.793377] fbcon_modechanged+0x59e/0x880 [ 1144.793379] fbcon_set_all_vcs+0x35f/0x420 [ 1144.793381] fbcon_event_notify+0x75/0x17af [ 1144.793383] ? lock_acquire+0x16f/0x430 [ 1144.793385] notifier_call_chain+0x111/0x1b0 [ 1144.793387] blocking_notifier_call_chain+0x80/0xa0 [ 1144.793389] fb_notifier_call_chain+0x25/0x30 [ 1144.793391] fb_set_var+0xb09/0xcf0 [ 1144.793393] ? fb_set_suspend+0x110/0x110 [ 1144.793395] ? lock_acquire+0x16f/0x430 [ 1144.793397] ? lock_fb_info+0x1f/0x80 [ 1144.793399] ? lock_fb_info+0x1f/0x80 [ 1144.793401] ? __mutex_lock+0x36a/0x1470 [ 1144.793403] ? trace_hardirqs_on+0x10/0x10 [ 1144.793405] ? lock_acquire+0x16f/0x430 [ 1144.793406] ? __down+0x16b/0x290 [ 1144.793408] ? mutex_trylock+0x1c0/0x1c0 [ 1144.793410] ? down+0x70/0x90 [ 1144.793412] ? mutex_lock_nested+0x16/0x20 [ 1144.793414] ? mutex_lock_nested+0x16/0x20 [ 1144.793416] do_fb_ioctl+0x3cc/0x940 [ 1144.793418] ? fb_read+0x520/0x520 [ 1144.793420] ? avc_has_extended_perms+0x8ec/0xe40 [ 1144.793422] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.793424] ? avc_ss_reset+0x110/0x110 [ 1144.793426] ? follow_pfn+0x220/0x220 [ 1144.793428] ? do_raw_spin_unlock+0x16b/0x260 [ 1144.793430] ? do_wp_page+0x253/0x1250 [ 1144.793432] ? __might_sleep+0x93/0xb0 [ 1144.793434] ? save_trace+0x290/0x290 [ 1144.793436] fb_ioctl+0xe6/0x130 [ 1144.793438] ? do_fb_ioctl+0x940/0x940 [ 1144.793440] do_vfs_ioctl+0x7ae/0x1060 [ 1144.793442] ? selinux_file_mprotect+0x5d0/0x5d0 [ 1144.793444] ? ioctl_preallocate+0x1c0/0x1c0 [ 1144.793446] ? lock_downgrade+0x740/0x740 [ 1144.793448] ? security_file_ioctl+0x7d/0xb0 [ 1144.793450] ? security_file_ioctl+0x89/0xb0 [ 1144.793452] SyS_ioctl+0x8f/0xc0 [ 1144.793454] ? do_vfs_ioctl+0x1060/0x1060 [ 1144.793456] do_syscall_64+0x1e8/0x640 [ 1144.793458] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 1144.793461] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 1144.793463] RIP: 0033:0x441419 [ 1144.793465] RSP: 002b:00007ffe6a8e38b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 1144.793470] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000441419 [ 1144.793473] RDX: 0000000020000000 RSI: 0000000000004601 RDI: 0000000000000003 [ 1144.793476] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 1144.793478] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000402190 [ 1144.793481] R13: 0000000000402220 R14: 0000000000000000 R15: 0000000000000000 [ 1144.793482] Code: 30 fe 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 4b ea 30 fe 45 85 e4 0f 85 b1 00 00 00 e8 3d ea 30 fe 89 d8 31 d2 f7 75 d4 <83> f8 07 89 c3 41 89 c4 76 49 44 8d 60 f8 41 c1 ec 03 49 83 c4 [ 1144.793790] Kernel panic - not syncing: hung_task: blocked tasks [ 1144.793803] CPU: 0 PID: 1059 Comm: khungtaskd Not tainted 4.14.163-syzkaller #0 [ 1144.793807] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1144.793810] Call Trace: [ 1144.793819] dump_stack+0x142/0x197 [ 1144.793866] panic+0x1f9/0x42d [ 1144.793873] ? add_taint.cold+0x16/0x16 [ 1144.793885] ? irq_force_complete_move.cold+0x7d/0x7d [ 1144.793898] watchdog+0x5f8/0xb90 [ 1144.793911] kthread+0x319/0x430 [ 1144.793919] ? hungtask_pm_notify+0x50/0x50 [ 1144.793926] ? kthread_create_on_node+0xd0/0xd0 [ 1144.793934] ret_from_fork+0x24/0x30 [ 1144.795525] Kernel Offset: disabled