[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 19.462141] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 20.399355] random: sshd: uninitialized urandom read (32 bytes read) [ 20.624583] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.497831] random: sshd: uninitialized urandom read (32 bytes read) [ 118.049353] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.16' (ECDSA) to the list of known hosts. [ 123.628124] random: sshd: uninitialized urandom read (32 bytes read) [ 123.725713] IPVS: ftp: loaded support on port[0] = 21 [ 123.847013] bridge0: port 1(bridge_slave_0) entered blocking state [ 123.853509] bridge0: port 1(bridge_slave_0) entered disabled state [ 123.860799] device bridge_slave_0 entered promiscuous mode [ 123.878334] bridge0: port 2(bridge_slave_1) entered blocking state [ 123.884774] bridge0: port 2(bridge_slave_1) entered disabled state [ 123.891831] device bridge_slave_1 entered promiscuous mode [ 123.906820] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 123.922174] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 123.962144] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 123.980081] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 124.040539] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 124.048204] team0: Port device team_slave_0 added [ 124.065433] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 124.072819] team0: Port device team_slave_1 added [ 124.089976] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 124.106476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 124.125147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 124.143948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 124.263399] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.269924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.276772] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.283134] bridge0: port 1(bridge_slave_0) entered forwarding state RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 124.705352] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 124.711497] 8021q: adding VLAN 0 to HW filter on device bond0 [ 124.755226] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 124.798390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 124.806007] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 124.844742] 8021q: adding VLAN 0 to HW filter on device team0 [ 194.845018] ================================================================== [ 194.854096] BUG: KASAN: stack-out-of-bounds in debug_object_active_state+0x471/0x4d0 [ 194.861975] Read of size 8 at addr ffff8801ab88d558 by task ksoftirqd/0/9 [ 194.868892] [ 194.870525] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.18.0-rc4+ #147 [ 194.877355] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 194.886702] Call Trace: [ 194.889297] dump_stack+0x1c9/0x2b4 [ 194.892936] ? dump_stack_print_info.cold.2+0x52/0x52 [ 194.898136] ? printk+0xa7/0xcf [ 194.901420] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 194.906181] ? debug_object_active_state+0x471/0x4d0 [ 194.911289] print_address_description+0x6c/0x20b [ 194.916136] ? debug_object_active_state+0x471/0x4d0 [ 194.921328] kasan_report.cold.7+0x242/0x2fe [ 194.925745] __asan_report_load8_noabort+0x14/0x20 [ 194.930680] debug_object_active_state+0x471/0x4d0 [ 194.935620] ? debug_object_deactivate+0x450/0x450 [ 194.940557] ? kfree+0x111/0x260 [ 194.943934] ? rcu_process_callbacks+0x1004/0x1850 [ 194.948874] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 194.953910] rcu_process_callbacks+0xfa5/0x1850 [ 194.958598] ? call_rcu_sched+0x20/0x20 [ 194.962760] ? lock_downgrade+0x8f0/0x8f0 [ 194.966911] ? finish_task_switch+0x18a/0x870 [ 194.971418] ? kasan_check_read+0x11/0x20 [ 194.975588] ? do_raw_spin_unlock+0xa7/0x2f0 [ 194.980002] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 194.984601] ? compat_start_thread+0x80/0x80 [ 194.989021] ? _raw_spin_unlock_irq+0x27/0x70 [ 194.993522] ? finish_task_switch+0x2ca/0x870 [ 194.998030] ? kasan_check_read+0x11/0x20 [ 195.002181] ? rcu_is_watching+0x8c/0x150 [ 195.006328] ? rcu_pm_notify+0xc0/0xc0 [ 195.010222] __do_softirq+0x2e8/0xb17 [ 195.014031] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 195.019137] ? __schedule+0x920/0x1ed0 [ 195.023027] ? schedule+0xfb/0x450 [ 195.026573] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.031611] ? rcu_note_context_switch+0x730/0x730 [ 195.036548] ? check_same_owner+0x340/0x340 [ 195.040881] ? run_ksoftirqd+0x8b/0x100 [ 195.044880] ? takeover_tasklets+0xa60/0xa60 [ 195.049295] run_ksoftirqd+0x86/0x100 [ 195.053101] smpboot_thread_fn+0x417/0x870 [ 195.057338] ? sort_range+0x30/0x30 [ 195.060970] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.066509] ? __kthread_parkme+0x106/0x1b0 [ 195.070837] kthread+0x345/0x410 [ 195.074214] ? sort_range+0x30/0x30 [ 195.077843] ? kthread_bind+0x40/0x40 [ 195.081656] ret_from_fork+0x3a/0x50 [ 195.085368] [ 195.086993] Allocated by task 1102416563: [ 195.091133] (stack is not available) [ 195.094839] [ 195.096464] Freed by task 2294223768: [ 195.100270] BUG: unable to handle kernel paging request at ffffffff8c431978 [ 195.107365] PGD 8e6d067 P4D 8e6d067 PUD 8e6e063 PMD 0 [ 195.112656] Oops: 0000 [#1] SMP KASAN [ 195.116452] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.18.0-rc4+ #147 [ 195.123284] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.132652] RIP: 0010:depot_fetch_stack+0x10/0x30 [ 195.137493] Code: e8 45 1b 47 fe e9 b3 fd ff ff e8 3b 1b 47 fe e9 55 fd ff ff 90 90 90 90 90 90 89 f8 c1 ef 11 25 ff ff 1f 00 81 e7 f0 3f 00 00 <48> 03 3c c5 80 19 43 8b 8b 47 0c 48 83 c7 18 c7 46 10 00 00 00 00 [ 195.156724] RSP: 0018:ffff8801d9ab77a0 EFLAGS: 00010006 [ 195.162096] RAX: 00000000001fffff RBX: ffff8801ab88d574 RCX: 0000000000000000 [ 195.169372] RDX: 0000000000000000 RSI: ffff8801d9ab77a8 RDI: 0000000000003ff0 [ 195.176650] RBP: ffff8801d9ab77d0 R08: ffff8801d9aa2240 R09: ffffed003b5c3ec2 [ 195.183929] R10: ffffed003b5c3ec2 R11: ffff8801dae1f617 R12: ffff8801ab88d540 [ 195.191210] R13: ffff8801ab88d558 R14: ffff8801da810dc0 R15: ffff8801ab88d568 [ 195.198489] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 195.206720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 195.212606] CR2: ffffffff8c431978 CR3: 00000001ad7af000 CR4: 00000000001406f0 [ 195.219882] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 195.227152] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 195.234417] Call Trace: [ 195.237009] ? print_track.isra.4+0x3b/0x6f [ 195.241338] print_address_description+0x11b/0x20b [ 195.246274] ? debug_object_active_state+0x471/0x4d0 [ 195.251380] kasan_report.cold.7+0x242/0x2fe [ 195.255790] __asan_report_load8_noabort+0x14/0x20 [ 195.260727] debug_object_active_state+0x471/0x4d0 [ 195.265656] ? debug_object_deactivate+0x450/0x450 [ 195.270590] ? kfree+0x111/0x260 [ 195.273959] ? rcu_process_callbacks+0x1004/0x1850 [ 195.278911] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 195.283927] rcu_process_callbacks+0xfa5/0x1850 [ 195.288601] ? call_rcu_sched+0x20/0x20 [ 195.292589] ? lock_downgrade+0x8f0/0x8f0 [ 195.296734] ? finish_task_switch+0x18a/0x870 [ 195.301230] ? kasan_check_read+0x11/0x20 [ 195.305379] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.309793] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 195.314376] ? compat_start_thread+0x80/0x80 [ 195.318787] ? _raw_spin_unlock_irq+0x27/0x70 [ 195.323283] ? finish_task_switch+0x2ca/0x870 [ 195.327781] ? kasan_check_read+0x11/0x20 [ 195.331927] ? rcu_is_watching+0x8c/0x150 [ 195.336075] ? rcu_pm_notify+0xc0/0xc0 [ 195.339964] __do_softirq+0x2e8/0xb17 [ 195.343771] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 195.348874] ? __schedule+0x920/0x1ed0 [ 195.352761] ? schedule+0xfb/0x450 [ 195.356299] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.361321] ? rcu_note_context_switch+0x730/0x730 [ 195.366251] ? check_same_owner+0x340/0x340 [ 195.370587] ? run_ksoftirqd+0x8b/0x100 [ 195.374571] ? takeover_tasklets+0xa60/0xa60 [ 195.378982] run_ksoftirqd+0x86/0x100 [ 195.382789] smpboot_thread_fn+0x417/0x870 [ 195.387031] ? sort_range+0x30/0x30 [ 195.390669] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.396210] ? __kthread_parkme+0x106/0x1b0 [ 195.400539] kthread+0x345/0x410 [ 195.403919] ? sort_range+0x30/0x30 [ 195.407556] ? kthread_bind+0x40/0x40 [ 195.411367] ret_from_fork+0x3a/0x50 [ 195.415075] Modules linked in: [ 195.418266] Dumping ftrace buffer: [ 195.421795] (ftrace buffer empty) [ 195.425502] CR2: ffffffff8c431978 [ 195.428942] [ 195.428947] ====================================================== [ 195.428952] WARNING: possible circular locking dependency detected [ 195.428956] 4.18.0-rc4+ #147 Not tainted [ 195.428960] ------------------------------------------------------ [ 195.428965] ksoftirqd/0/9 is trying to acquire lock: [ 195.428968] (____ptrval____) ((console_sem).lock){-.-.}, at: down_trylock+0x13/0x70 [ 195.428982] [ 195.428986] but task is already holding lock: [ 195.428989] (____ptrval____) (report_lock){..-.}, at: kasan_report+0x8e/0x110 [ 195.429002] [ 195.429006] which lock already depends on the new lock. [ 195.429007] [ 195.429010] [ 195.429014] the existing dependency chain (in reverse order) is: [ 195.429016] [ 195.429018] -> #4 (report_lock){..-.}: [ 195.429030] _raw_spin_lock_irqsave+0x96/0xc0 [ 195.429034] kasan_report+0x8e/0x110 [ 195.429038] __asan_report_load8_noabort+0x14/0x20 [ 195.429042] debug_object_active_state+0x471/0x4d0 [ 195.429046] rcu_process_callbacks+0xfa5/0x1850 [ 195.429049] __do_softirq+0x2e8/0xb17 [ 195.429053] run_ksoftirqd+0x86/0x100 [ 195.429056] smpboot_thread_fn+0x417/0x870 [ 195.429060] kthread+0x345/0x410 [ 195.429063] ret_from_fork+0x3a/0x50 [ 195.429065] [ 195.429067] -> #3 (&obj_hash[i].lock){-.-.}: [ 195.429081] _raw_spin_lock_irqsave+0x96/0xc0 [ 195.429085] __debug_object_init+0x127/0x12e0 [ 195.429089] debug_object_init+0x16/0x20 [ 195.429092] hrtimer_init+0x97/0x480 [ 195.429096] init_dl_task_timer+0x1b/0x50 [ 195.429100] __sched_fork+0x2ae/0x590 [ 195.429103] init_idle+0x75/0x7a0 [ 195.429106] sched_init+0xbf3/0xd2c [ 195.429110] start_kernel+0x47d/0x949 [ 195.429114] x86_64_start_reservations+0x29/0x2b [ 195.429118] x86_64_start_kernel+0x76/0x79 [ 195.429122] secondary_startup_64+0xa5/0xb0 [ 195.429123] [ 195.429126] -> #2 (&rq->lock){-.-.}: [ 195.429139] _raw_spin_lock+0x2a/0x40 [ 195.429143] task_fork_fair+0x93/0x680 [ 195.429146] sched_fork+0x446/0xb40 [ 195.429150] copy_process.part.39+0x1c09/0x7220 [ 195.429154] _do_fork+0x291/0x12a0 [ 195.429157] kernel_thread+0x34/0x40 [ 195.429161] rest_init+0x22/0xe4 [ 195.429164] start_kernel+0x90e/0x949 [ 195.429168] x86_64_start_reservations+0x29/0x2b [ 195.429172] x86_64_start_kernel+0x76/0x79 [ 195.429176] secondary_startup_64+0xa5/0xb0 [ 195.429178] [ 195.429180] -> #1 (&p->pi_lock){-.-.}: [ 195.429194] _raw_spin_lock_irqsave+0x96/0xc0 [ 195.429197] try_to_wake_up+0xd2/0x12b0 [ 195.429201] wake_up_process+0x10/0x20 [ 195.429205] __up.isra.1+0x1c0/0x2a0 [ 195.429208] up+0x13c/0x1c0 [ 195.429212] __up_console_sem+0xbe/0x1b0 [ 195.429216] console_unlock+0x7a2/0x10b0 [ 195.429219] vprintk_emit+0x6c6/0xdf0 [ 195.429223] vprintk_default+0x28/0x30 [ 195.429227] vprintk_func+0x7a/0xe7 [ 195.429230] printk+0xa7/0xcf [ 195.429233] load_umh+0x51/0xbd [ 195.429237] do_one_initcall+0x127/0x913 [ 195.429241] kernel_init_freeable+0x49b/0x58e [ 195.429245] kernel_init+0x11/0x1b3 [ 195.429248] ret_from_fork+0x3a/0x50 [ 195.429250] [ 195.429252] -> #0 ((console_sem).lock){-.-.}: [ 195.429266] lock_acquire+0x1e4/0x540 [ 195.429270] _raw_spin_lock_irqsave+0x96/0xc0 [ 195.429273] down_trylock+0x13/0x70 [ 195.429278] __down_trylock_console_sem+0xae/0x200 [ 195.429281] console_trylock+0x15/0xa0 [ 195.429285] vprintk_emit+0x6ad/0xdf0 [ 195.429289] vprintk_default+0x28/0x30 [ 195.429292] vprintk_func+0x7a/0xe7 [ 195.429296] printk+0xa7/0xcf [ 195.429299] kasan_report+0x9e/0x110 [ 195.429303] __asan_report_load8_noabort+0x14/0x20 [ 195.429308] debug_object_active_state+0x471/0x4d0 [ 195.429312] rcu_process_callbacks+0xfa5/0x1850 [ 195.429315] __do_softirq+0x2e8/0xb17 [ 195.429319] run_ksoftirqd+0x86/0x100 [ 195.429323] smpboot_thread_fn+0x417/0x870 [ 195.429326] kthread+0x345/0x410 [ 195.429330] ret_from_fork+0x3a/0x50 [ 195.429332] [ 195.429336] other info that might help us debug this: [ 195.429338] [ 195.429341] Chain exists of: [ 195.429343] (console_sem).lock --> &obj_hash[i].lock --> report_lock [ 195.429360] [ 195.429364] Possible unsafe locking scenario: [ 195.429366] [ 195.429370] CPU0 CPU1 [ 195.429374] ---- ---- [ 195.429376] lock(report_lock); [ 195.429384] lock(&obj_hash[i].lock); [ 195.429394] lock(report_lock); [ 195.429401] lock((console_sem).lock); [ 195.429409] [ 195.429412] *** DEADLOCK *** [ 195.429414] [ 195.429417] 2 locks held by ksoftirqd/0/9: [ 195.429419] #0: (____ptrval____) (&obj_hash[i].lock){-.-.}, at: debug_object_active_state+0xff/0x4d0 [ 195.429436] #1: (____ptrval____) (report_lock){..-.}, at: kasan_report+0x8e/0x110 [ 195.429451] [ 195.429454] stack backtrace: [ 195.429460] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.18.0-rc4+ #147 [ 195.429466] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 195.429469] Call Trace: [ 195.429472] dump_stack+0x1c9/0x2b4 [ 195.429477] ? dump_stack_print_info.cold.2+0x52/0x52 [ 195.429480] ? vprintk_func+0xd0/0xe7 [ 195.429485] print_circular_bug.isra.36.cold.57+0x1bd/0x27d [ 195.429488] ? save_trace+0xe0/0x290 [ 195.429492] __lock_acquire+0x3449/0x5020 [ 195.429496] ? trace_hardirqs_on+0x10/0x10 [ 195.429500] ? trace_hardirqs_on+0x10/0x10 [ 195.429504] ? unwind_next_frame+0x3e/0x50 [ 195.429508] ? __save_stack_trace+0x7d/0xf0 [ 195.429512] ? add_lock_to_list.isra.29+0x1ec/0x4b0 [ 195.429516] ? trace_hardirqs_off+0x10/0x10 [ 195.429520] ? save_stack_trace+0x1a/0x20 [ 195.429523] ? save_trace+0xe0/0x290 [ 195.429527] ? graph_lock+0x170/0x170 [ 195.429531] ? __lock_acquire+0x28d9/0x5020 [ 195.429534] ? __lock_acquire+0x7fc/0x5020 [ 195.429538] ? attach_entity_load_avg+0x860/0x860 [ 195.429548] lock_acquire+0x1e4/0x540 [ 195.429552] ? down_trylock+0x13/0x70 [ 195.429556] ? lock_release+0xa30/0xa30 [ 195.429560] ? lock_downgrade+0x8f0/0x8f0 [ 195.429563] ? kvm_sched_clock_read+0x9/0x20 [ 195.429566] ? sched_clock+0x31/0x40 [ 195.429569] ? vprintk_emit+0x6ad/0xdf0 [ 195.429572] _raw_spin_lock_irqsave+0x96/0xc0 [ 195.429575] ? down_trylock+0x13/0x70 [ 195.429578] down_trylock+0x13/0x70 [ 195.429581] __down_trylock_console_sem+0xae/0x200 [ 195.429585] console_trylock+0x15/0xa0 [ 195.429588] vprintk_emit+0x6ad/0xdf0 [ 195.429590] ? wake_up_klogd+0x110/0x110 [ 195.429594] ? unwind_next_frame+0x3e/0x50 [ 195.429597] ? __save_stack_trace+0x7d/0xf0 [ 195.429600] ? ret_from_fork+0x3a/0x50 [ 195.429603] ? lock_acquire+0x1e4/0x540 [ 195.429606] ? kasan_report+0x8e/0x110 [ 195.429609] ? debug_object_active_state+0x471/0x4d0 [ 195.429613] vprintk_default+0x28/0x30 [ 195.429616] vprintk_func+0x7a/0xe7 [ 195.429619] printk+0xa7/0xcf [ 195.429622] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 195.429625] ? kasan_check_write+0x14/0x20 [ 195.429629] ? do_raw_spin_lock+0xc1/0x200 [ 195.429631] ? do_raw_spin_lock+0xc1/0x200 [ 195.429634] kasan_report+0x9e/0x110 [ 195.429638] __asan_report_load8_noabort+0x14/0x20 [ 195.429641] debug_object_active_state+0x471/0x4d0 [ 195.429645] ? debug_object_deactivate+0x450/0x450 [ 195.429647] ? kfree+0x111/0x260 [ 195.429651] ? rcu_process_callbacks+0x1004/0x1850 [ 195.429655] ? trace_hardirqs_on_caller+0x19e/0x5c0 [ 195.429658] rcu_process_callbacks+0xfa5/0x1850 [ 195.429661] ? call_rcu_sched+0x20/0x20 [ 195.429664] ? lock_downgrade+0x8f0/0x8f0 [ 195.429668] ? finish_task_switch+0x18a/0x870 [ 195.429671] ? kasan_check_read+0x11/0x20 [ 195.429674] ? do_raw_spin_unlock+0xa7/0x2f0 [ 195.429677] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 195.429680] ? compat_start_thread+0x80/0x80 [ 195.429684] ? _raw_spin_unlock_irq+0x27/0x70 [ 195.429687] ? finish_task_switch+0x2ca/0x870 [ 195.429690] ? kasan_check_read+0x11/0x20 [ 195.429693] ? rcu_is_watching+0x8c/0x150 [ 195.429696] ? rcu_pm_notify+0xc0/0xc0 [ 195.429699] __do_softirq+0x2e8/0xb17 [ 195.429702] ? __irqentry_text_end+0x1f97a8/0x1f97a8 [ 195.429705] ? __schedule+0x920/0x1ed0 [ 195.429708] ? schedule+0xfb/0x450 [ 195.429712] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 195.429715] ? rcu_note_context_switch+0x730/0x730 [ 195.429718] ? check_same_owner+0x340/0x340 [ 195.429721] ? run_ksoftirqd+0x8b/0x100 [ 195.429724] ? takeover_tasklets+0xa60/0xa60 [ 195.429727] run_ksoftirqd+0x86/0x100 [ 195.429731] smpboot_thread_fn+0x417/0x870 [ 195.429734] ? sort_range+0x30/0x30 [ 195.429738] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 195.429741] ? __kthread_parkme+0x106/0x1b0 [ 195.429743] kthread+0x345/0x410 [ 195.429746] ? sort_range+0x30/0x30 [ 195.429749] ? kthread_bind+0x40/0x40 [ 195.429752] ret_from_fork+0x3a/0x50 [ 196.281754] ---[ end trace 9d5d7b7db15a4262 ]--- [ 196.286516] RIP: 0010:depot_fetch_stack+0x10/0x30 [ 196.291348] Code: e8 45 1b 47 fe e9 b3 fd ff ff e8 3b 1b 47 fe e9 55 fd ff ff 90 90 90 90 90 90 89 f8 c1 ef 11 25 ff ff 1f 00 81 e7 f0 3f 00 00 <48> 03 3c c5 80 19 43 8b 8b 47 0c 48 83 c7 18 c7 46 10 00 00 00 00 [ 196.310593] RSP: 0018:ffff8801d9ab77a0 EFLAGS: 00010006 [ 196.315967] RAX: 00000000001fffff RBX: ffff8801ab88d574 RCX: 0000000000000000 [ 196.323248] RDX: 0000000000000000 RSI: ffff8801d9ab77a8 RDI: 0000000000003ff0 [ 196.330520] RBP: ffff8801d9ab77d0 R08: ffff8801d9aa2240 R09: ffffed003b5c3ec2 [ 196.337790] R10: ffffed003b5c3ec2 R11: ffff8801dae1f617 R12: ffff8801ab88d540 [ 196.345065] R13: ffff8801ab88d558 R14: ffff8801da810dc0 R15: ffff8801ab88d568 [ 196.352337] FS: 0000000000000000(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 [ 196.360564] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 196.366453] CR2: ffffffff8c431978 CR3: 00000001ad7af000 CR4: 00000000001406f0 [ 196.373736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 196.381032] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 196.388328] Kernel panic - not syncing: Fatal exception in interrupt [ 196.395268] Dumping ftrace buffer: [ 196.398807] (ftrace buffer empty) [ 196.402500] Kernel Offset: disabled [ 196.406104] Rebooting in 86400 seconds..