[ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.57' (ECDSA) to the list of known hosts. syzkaller login: [ 65.708005][ T6880] IPVS: ftp: loaded support on port[0] = 21 [ 65.785698][ T21] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.804189][ T21] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 65.849577][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 65.871013][ T6834] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 65.884668][ T6834] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 executing program [ 65.894556][ T26] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 65.913157][ T6880] netlink: 12 bytes leftover after parsing attributes in process `syz-executor548'. [ 65.979230][ C1] divide_error: 0000 [#1] PREEMPT SMP KASAN [ 65.985311][ C1] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.9.0-rc8-syzkaller #0 [ 65.993577][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.003943][ C1] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 66.009773][ C1] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 8d bb df fa 48 85 db 0f 85 6d fe ff ff e8 7f bb df fa 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 64 bb df fa 48 81 eb 00 [ 66.029615][ C1] RSP: 0018:ffffc90000da86e0 EFLAGS: 00010246 [ 66.035930][ C1] RAX: 00000000a278348e RBX: 0000000000000000 RCX: 0000000000000000 [ 66.043978][ C1] RDX: 0000000000000000 RSI: ffffffff86968391 RDI: 0000000000000005 [ 66.052029][ C1] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8b59974f [ 66.060037][ C1] R10: 0000000000000000 R11: 1ffffffff1996ec5 R12: 0000000000000000 [ 66.067996][ C1] R13: ffff88809c07437c R14: 00000000a278348e R15: 0000000000000000 [ 66.076094][ C1] FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 66.085059][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.091737][ C1] CR2: 00000000004c7328 CR3: 0000000009e8d000 CR4: 00000000001506e0 [ 66.099773][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.108443][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.116747][ C1] Call Trace: [ 66.120059][ C1] [ 66.122903][ C1] netem_enqueue+0x45e/0x350f [ 66.127566][ C1] ? lock_release+0x8f0/0x8f0 [ 66.132363][ C1] ? do_raw_spin_lock+0x120/0x2b0 [ 66.137557][ C1] ? netem_dump+0x1120/0x1120 [ 66.142353][ C1] ? rwlock_bug.part.0+0x90/0x90 [ 66.147325][ C1] __dev_queue_xmit+0x1881/0x2d70 [ 66.152471][ C1] ? find_held_lock+0x2d/0x110 [ 66.157271][ C1] ? netdev_core_pick_tx+0x2e0/0x2e0 [ 66.162587][ C1] ? mark_held_locks+0x9f/0xe0 [ 66.167424][ C1] ? read_seqcount_t_begin+0x197/0x240 [ 66.172911][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 66.179008][ C1] ? memcpy+0x39/0x60 [ 66.183046][ C1] neigh_resolve_output+0x3fe/0x6a0 [ 66.188247][ C1] ip6_finish_output2+0x8ac/0x1780 [ 66.193470][ C1] __ip6_finish_output+0x447/0xab0 [ 66.199008][ C1] ip6_finish_output+0x34/0x1f0 [ 66.203861][ C1] ip6_output+0x1db/0x520 [ 66.208357][ C1] mld_sendpack+0x92a/0xdb0 [ 66.212870][ C1] ? mark_lock+0x82/0x1660 [ 66.217270][ C1] ? igmp6_group_queried+0x370/0x370 [ 66.222547][ C1] ? __local_bh_enable_ip+0x10f/0x1f0 [ 66.228091][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 66.234370][ C1] ? __local_bh_enable_ip+0x10f/0x1f0 [ 66.240030][ C1] ? mld_ifc_timer_expire+0x5f8/0xf10 [ 66.245550][ C1] mld_ifc_timer_expire+0x60a/0xf10 [ 66.251121][ C1] call_timer_fn+0x1ac/0x760 [ 66.255716][ C1] ? mld_send_initial_cr.part.0+0x150/0x150 [ 66.261684][ C1] ? msleep_interruptible+0x130/0x130 [ 66.267042][ C1] ? lock_downgrade+0x830/0x830 [ 66.271881][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 66.277110][ C1] ? lockdep_hardirqs_on_prepare+0x19c/0x530 [ 66.283458][ C1] ? _raw_spin_unlock_irq+0x1f/0x80 [ 66.288811][ C1] ? mld_send_initial_cr.part.0+0x150/0x150 [ 66.294877][ C1] __run_timers.part.0+0x67c/0xaa0 [ 66.300340][ C1] ? call_timer_fn+0x760/0x760 [ 66.305143][ C1] ? lapic_next_event+0x4d/0x80 [ 66.310192][ C1] ? kvm_sched_clock_read+0x14/0x40 [ 66.315677][ C1] ? sched_clock+0x2a/0x40 [ 66.320090][ C1] ? sched_clock_cpu+0x18/0x1f0 [ 66.325531][ C1] run_timer_softirq+0xb3/0x1d0 [ 66.330462][ C1] __do_softirq+0x1f8/0xb23 [ 66.335013][ C1] asm_call_irq_on_stack+0xf/0x20 [ 66.340478][ C1] [ 66.343678][ C1] do_softirq_own_stack+0x9b/0xd0 [ 66.348910][ C1] irq_exit_rcu+0x235/0x280 [ 66.353458][ C1] sysvec_apic_timer_interrupt+0x51/0xf0 [ 66.359092][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20 [ 66.365240][ C1] RIP: 0010:native_safe_halt+0xe/0x10 [ 66.370799][ C1] Code: 89 ef e8 95 cc 8d f9 e9 86 fe ff ff 48 89 df e8 88 cc 8d f9 e9 7b ff ff ff cc cc cc e9 07 00 00 00 0f 00 2d 94 8f 5f 00 fb f4 90 e9 07 00 00 00 0f 00 2d 84 8f 5f 00 f4 c3 cc cc 55 53 e8 69 [ 66.390501][ C1] RSP: 0018:ffffc90000d3fd80 EFLAGS: 00000293 [ 66.396659][ C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff16b2b61 [ 66.404790][ C1] RDX: ffff8880a9618340 RSI: ffffffff88295043 RDI: 0000000000000000 [ 66.413135][ C1] RBP: ffff8880a7537064 R08: 0000000000000001 R09: 0000000000000001 [ 66.421091][ C1] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 66.429395][ C1] R13: ffff8880a7537000 R14: ffff8880a7537064 R15: ffff8880a3316804 [ 66.437412][ C1] ? acpi_idle_do_entry+0x1e3/0x330 [ 66.442687][ C1] acpi_idle_do_entry+0x1e8/0x330 [ 66.447743][ C1] acpi_idle_enter+0x35a/0x550 [ 66.452625][ C1] cpuidle_enter_state+0x1ab/0xd20 [ 66.457722][ C1] cpuidle_enter+0x4a/0xa0 [ 66.462170][ C1] do_idle+0x48e/0x730 [ 66.466224][ C1] ? arch_cpu_idle_exit+0x70/0x70 [ 66.471276][ C1] ? _raw_write_unlock_irqrestore+0x10/0x90 [ 66.477300][ C1] ? lockdep_hardirqs_on+0x53/0x100 [ 66.483255][ C1] cpu_startup_entry+0x14/0x20 [ 66.488058][ C1] secondary_startup_64+0xa4/0xb0 [ 66.493158][ C1] Modules linked in: [ 66.497253][ C1] ---[ end trace 17d02967aab0bcda ]--- [ 66.502938][ C1] RIP: 0010:tabledist.part.0+0x22a/0x2a0 [ 66.508701][ C1] Code: 4c 01 f0 48 c1 e8 20 41 89 45 00 41 89 c6 e8 8d bb df fa 48 85 db 0f 85 6d fe ff ff e8 7f bb df fa 8d 4c 2d 00 44 89 f0 31 d2 f1 49 29 ec 49 01 d4 e9 2b ff ff ff e8 64 bb df fa 48 81 eb 00 [ 66.529003][ C1] RSP: 0018:ffffc90000da86e0 EFLAGS: 00010246 [ 66.535785][ C1] RAX: 00000000a278348e RBX: 0000000000000000 RCX: 0000000000000000 [ 66.544081][ C1] RDX: 0000000000000000 RSI: ffffffff86968391 RDI: 0000000000000005 [ 66.552571][ C1] RBP: ffffffff80000000 R08: 0000000000000000 R09: ffffffff8b59974f [ 66.560671][ C1] R10: 0000000000000000 R11: 1ffffffff1996ec5 R12: 0000000000000000 [ 66.568968][ C1] R13: ffff88809c07437c R14: 00000000a278348e R15: 0000000000000000 [ 66.576943][ C1] FS: 0000000000000000(0000) GS:ffff8880ae500000(0000) knlGS:0000000000000000 [ 66.586028][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.592833][ C1] CR2: 00000000004c7328 CR3: 0000000009e8d000 CR4: 00000000001506e0 [ 66.601198][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.609360][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.617380][ C1] Kernel panic - not syncing: Fatal exception in interrupt [ 66.626120][ C1] Kernel Offset: disabled [ 66.630448][ C1] Rebooting in 86400 seconds..