[[0;32m OK [0m] Started Getty on tty4.
[[0;32m OK [0m] Started Getty on tty3.
[[0;32m OK [0m] Started Getty on tty1.
[[0;32m OK [0m] Started Serial Getty on ttyS0.
[[0;32m OK [0m] Started Getty on tty2.
[[0;32m OK [0m] Reached target Login Prompts.
[[0;32m OK [0m] Reached target Multi-User System.
[[0;32m OK [0m] Reached target Graphical Interface.
Starting Update UTMP about System Runlevel Changes...
[[0;32m OK [0m] Started Update UTMP about System Runlevel Changes.
Starting Load/Save RF Kill Switch Status...
[[0;32m OK [0m] Started Load/Save RF Kill Switch Status.
Debian GNU/Linux 9 syzkaller ttyS0
Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts.
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syzkaller login: [ 75.778372][ T4820] Bluetooth: hci0: command 0x0409 tx timeout
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[ 77.867312][ T7] Bluetooth: hci0: command 0x041b tx timeout
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[ 78.965748][ C1] ------------[ cut here ]------------
[ 78.971307][ C1] WARNING: CPU: 1 PID: 8784 at fs/io_uring.c:1499 io_link_timeout_fn+0x96c/0xb20
[ 78.980517][ C1] Modules linked in:
[ 78.984458][ C1] CPU: 1 PID: 8784 Comm: systemd-cgroups Not tainted 5.13.0-rc1-syzkaller #0
[ 78.987642][ T8785] ------------[ cut here ]------------
[ 78.993335][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 78.993356][ C1] RIP: 0010:io_link_timeout_fn+0x96c/0xb20
[ 78.993391][ C1] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 f9 fd ff ff e8 ae ff da ff e9 ef fd ff ff e8 f4 03 96 ff <0f> 0b e9 6a fc ff ff e8 e8 03 96 ff 4c 89 ef e8 10 96 ff ff 48 8d
[ 78.993413][ C1] RSP: 0018:ffffc90000dc0d70 EFLAGS: 00010046
[ 78.999362][ T8785] WARNING: CPU: 0 PID: 8785 at fs/io_uring.c:1505 io_req_complete_failed+0x2ee/0x5a0
[ 79.009629][ C1] RAX: 0000000080010001 RBX: ffff88802c080c80 RCX: 0000000000000000
[ 79.009662][ C1] RDX: ffff8880373954c0 RSI: ffffffff81dece4c RDI: 0000000000000003
[ 79.009675][ C1] RBP: ffff88802c080cdc R08: 000000000000007f R09: ffff88802c080cdf
[ 79.009690][ C1] R10: ffffffff81decab3 R11: 0000000000000000 R12: 000000000000007f
[ 79.009705][ C1] R13: 0000000000000000 R14: ffff88802c15e000 R15: ffff88802c15e680
[ 79.009720][ C1] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
[ 79.009743][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.009759][ C1] CR2: 00007f6ba37daab4 CR3: 0000000015bdf000 CR4: 00000000001506e0
[ 79.009773][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.016104][ T8785] Modules linked in:
[ 79.035273][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.035298][ C1] Call Trace:
[ 79.035307][ C1]
[ 79.035321][ C1] ? io_req_complete_post+0x890/0x890
[ 79.035361][ C1] ? io_req_complete_post+0x890/0x890
[ 79.035384][ C1] __hrtimer_run_queues+0x609/0xe40
[ 79.041813][ T8785]
[ 79.050938][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 79.050980][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0
[ 79.051017][ C1] hrtimer_interrupt+0x330/0xa00
[ 79.051056][ C1] __sysvec_apic_timer_interrupt+0x146/0x540
[ 79.059373][ T8785] CPU: 0 PID: 8785 Comm: syz-executor258 Not tainted 5.13.0-rc1-syzkaller #0
[ 79.067035][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0
[ 79.067100][ C1]
[ 79.067110][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 79.067135][ C1] RIP: 0010:unwind_next_frame+0x308/0x1ce0
[ 79.075527][ T8785] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.083383][ C1] Code: 48 8d 3c 40 4c 8d 8c 3f cc 27 3d 8e 83 c2 01 49 81 f9 a4 0c dd 8e 0f 83 f3 10 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f cc 27 3d 8e <48> 81 ff a4 0c dd 8e 0f 87 d8 10 00 00 48 8d 3c 85 3c 8f d2 8d 29
[ 79.083420][ C1] RSP: 0018:ffffc9000918f6a8 EFLAGS: 00000293
[ 79.083441][ C1] RAX: 000000000002bff1 RBX: 1ffff92001231edd RCX: 000000000002bff1
[ 79.083456][ C1] RDX: 000000000002bffb RSI: 000000000000b9cd RDI: ffffffff8e4da7ae
[ 79.083472][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e4da772
[ 79.083485][ C1] R10: fffff52001231efb R11: 0000000000084087 R12: ffffc9000918f7c8
[ 79.083501][ C1] R13: ffffc9000918f7b5 R14: ffffc9000918f780 R15: ffffffff81b9cd7f
[ 79.091924][ T8785] RIP: 0010:io_req_complete_failed+0x2ee/0x5a0
[ 79.100472][ C1] ? kasan_set_free_info+0x1f/0x30
[ 79.100527][ C1] ? unwind_next_frame+0x120/0x1ce0
[ 79.100555][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.100581][ C1] ? deref_stack_reg+0x150/0x150
[ 79.107911][ T8785] Code: 78 ac da ff be 01 00 00 00 4c 89 f7 e8 1b 78 fe ff e9 09 fe ff ff e8 61 ff 95 ff 4c 89 ef e8 59 90 64 ff eb cb e8 52 ff 95 ff <0f> 0b e9 c8 fd ff ff 4c 89 f7 e8 e3 fa da ff e9 3c fd ff ff 4c 89
[ 79.115530][ C1] ? __unwind_start+0x51b/0x800
[ 79.115573][ C1] ? create_prof_cpu_mask+0x20/0x20
[ 79.124024][ T8785] RSP: 0018:ffffc9000933fd10 EFLAGS: 00010293
[ 79.131662][ C1] arch_stack_walk+0x7d/0xe0
[ 79.131707][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.131734][ C1] ? kmem_cache_free+0x8a/0x740
[ 79.131762][ C1] stack_trace_save+0x8c/0xc0
[ 79.140465][ T8785]
[ 79.143437][ C1] ? stack_trace_consume_entry+0x160/0x160
[ 79.143487][ C1] kasan_save_stack+0x1b/0x40
[ 79.146452][ T8785] RAX: 0000000000000000 RBX: 000000000000007f RCX: 0000000000000000
[ 79.151747][ C1] ? kasan_save_stack+0x1b/0x40
[ 79.151789][ C1] ? kasan_set_track+0x1c/0x30
[ 79.151813][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.151837][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 79.157829][ T8785] RDX: ffff88802bde1c40 RSI: ffffffff81ded2ee RDI: 0000000000000003
[ 79.162655][ C1] ? find_held_lock+0x2d/0x110
[ 79.162701][ C1] ? debug_check_no_obj_freed+0x20c/0x420
[ 79.165145][ T8785] RBP: ffff88802c080c80 R08: 000000000000007f R09: ffff88802c080cdf
[ 79.171139][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.171190][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 79.171223][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 79.171250][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70
[ 79.177715][ T8785] R10: ffffffff81ded0b4 R11: 000000000000000f R12: ffffffffffffffea
[ 79.182373][ C1] ? debug_check_no_obj_freed+0x20c/0x420
[ 79.182439][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 79.188780][ T8785] R13: ffff88802c080cdc R14: ffff88802c080cd8 R15: 00000000ffffffea
[ 79.197378][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 79.197423][ C1] kasan_set_track+0x1c/0x30
[ 79.197454][ C1] kasan_set_free_info+0x20/0x30
[ 79.197477][ C1] __kasan_slab_free+0xfb/0x130
[ 79.203525][ T8785] FS: 0000000001be5400(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[ 79.206262][ C1] slab_free_freelist_hook+0xdf/0x240
[ 79.206311][ C1] kmem_cache_free+0x8a/0x740
[ 79.212636][ T8785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.218114][ C1] ? unlink_anon_vmas+0x472/0x860
[ 79.218163][ C1] unlink_anon_vmas+0x472/0x860
[ 79.218196][ C1] free_pgtables+0xe2/0x2f0
[ 79.228735][ T8785] CR2: 0000561e66fae278 CR3: 0000000030890000 CR4: 00000000001506f0
[ 79.248094][ C1] exit_mmap+0x2b7/0x590
[ 79.248133][ C1] ? __ia32_sys_remap_file_pages+0x150/0x150
[ 79.248179][ C1] __mmput+0x122/0x470
[ 79.248206][ C1] mmput+0x58/0x60
[ 79.254602][ T8785] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 79.263059][ C1] do_exit+0xb0a/0x2a60
[ 79.263102][ C1] ? mm_update_next_owner+0x7a0/0x7a0
[ 79.263125][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.263152][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.263190][ C1] do_group_exit+0x125/0x310
[ 79.271868][ T8785] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 79.279499][ C1] __x64_sys_exit_group+0x3a/0x50
[ 79.279537][ C1] do_syscall_64+0x3a/0xb0
[ 79.279561][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.279586][ C1] RIP: 0033:0x7f6ba4eb3618
[ 79.279621][ C1] Code: Unable to access opcode bytes at RIP 0x7f6ba4eb35ee.
[ 79.287961][ T8785] Call Trace:
[ 79.295764][ C1] RSP: 002b:00007ffd8038caf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[ 79.295797][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ba4eb3618
[ 79.295811][ C1] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[ 79.295825][ C1] RBP: 00007f6ba51908e0 R08: 00000000000000e7 R09: fffffffffffffee8
[ 79.302384][ T8785] __io_queue_sqe+0x61e/0x10f0
[ 79.307123][ C1] R10: 00007f6ba336e158 R11: 0000000000000246 R12: 00007f6ba51908e0
[ 79.307148][ C1] R13: 00007f6ba5195c20 R14: 0000000000000000 R15: 0000000000000000
[ 79.307179][ C1] Kernel panic - not syncing: panic_on_warn set ...
[ 79.307191][ C1] CPU: 1 PID: 8784 Comm: systemd-cgroups Not tainted 5.13.0-rc1-syzkaller #0
[ 79.307215][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 79.307227][ C1] Call Trace:
[ 79.307237][ C1]
[ 79.313465][ T8785] ? io_issue_sqe+0x66b0/0x66b0
[ 79.318253][ C1] dump_stack+0x141/0x1d7
[ 79.318294][ C1] panic+0x306/0x73d
[ 79.318318][ C1] ? __warn_printk+0xf3/0xf3
[ 79.318350][ C1] ? __warn.cold+0x1a/0x44
[ 79.318376][ C1] ? io_link_timeout_fn+0x96c/0xb20
[ 79.324040][ T8785] ? tctx_task_work+0x20b/0x550
[ 79.343865][ C1] __warn.cold+0x35/0x44
[ 79.343906][ C1] ? io_link_timeout_fn+0x96c/0xb20
[ 79.343933][ C1] report_bug+0x1bd/0x210
[ 79.343963][ C1] handle_bug+0x3c/0x60
[ 79.349172][ T8785] ? lock_downgrade+0x6e0/0x6e0
[ 79.354027][ C1] exc_invalid_op+0x14/0x40
[ 79.354062][ C1] asm_exc_invalid_op+0x12/0x20
[ 79.354085][ C1] RIP: 0010:io_link_timeout_fn+0x96c/0xb20
[ 79.360490][ T8785] ? do_raw_spin_lock+0x120/0x2b0
[ 79.364754][ C1] Code: 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 84 f9 fd ff ff e8 ae ff da ff e9 ef fd ff ff e8 f4 03 96 ff <0f> 0b e9 6a fc ff ff e8 e8 03 96 ff 4c 89 ef e8 10 96 ff ff 48 8d
[ 79.364783][ C1] RSP: 0018:ffffc90000dc0d70 EFLAGS: 00010046
[ 79.364804][ C1] RAX: 0000000080010001 RBX: ffff88802c080c80 RCX: 0000000000000000
[ 79.364820][ C1] RDX: ffff8880373954c0 RSI: ffffffff81dece4c RDI: 0000000000000003
[ 79.371022][ T8785] ? rwlock_bug.part.0+0x90/0x90
[ 79.375515][ C1] RBP: ffff88802c080cdc R08: 000000000000007f R09: ffff88802c080cdf
[ 79.375540][ C1] R10: ffffffff81decab3 R11: 0000000000000000 R12: 000000000000007f
[ 79.375553][ C1] R13: 0000000000000000 R14: ffff88802c15e000 R15: ffff88802c15e680
[ 79.375574][ C1] ? io_link_timeout_fn+0x5d3/0xb20
[ 79.380700][ T8785] __io_req_task_submit+0x103/0x120
[ 79.382591][ C1] ? io_link_timeout_fn+0x96c/0xb20
[ 79.382640][ C1] ? io_req_complete_post+0x890/0x890
[ 79.388768][ T8785] tctx_task_work+0x24e/0x550
[ 79.393125][ C1] ? io_req_complete_post+0x890/0x890
[ 79.393163][ C1] __hrtimer_run_queues+0x609/0xe40
[ 79.402156][ T8785] task_work_run+0xdd/0x1a0
[ 79.406655][ C1] ? hrtimer_sleeper_start_expires+0x80/0x80
[ 79.406696][ C1] ? ktime_get_update_offsets_now+0x3eb/0x5c0
[ 79.412358][ T8785] exit_to_user_mode_prepare+0x24a/0x280
[ 79.417219][ C1] hrtimer_interrupt+0x330/0xa00
[ 79.417274][ C1] __sysvec_apic_timer_interrupt+0x146/0x540
[ 79.417302][ C1] sysvec_apic_timer_interrupt+0x8e/0xc0
[ 79.423661][ T8785] syscall_exit_to_user_mode+0x19/0x60
[ 79.431371][ C1]
[ 79.431387][ C1] asm_sysvec_apic_timer_interrupt+0x12/0x20
[ 79.431419][ C1] RIP: 0010:unwind_next_frame+0x308/0x1ce0
[ 79.431450][ C1] Code: 48 8d 3c 40 4c 8d 8c 3f cc 27 3d 8e 83 c2 01 49 81 f9 a4 0c dd 8e 0f 83 f3 10 00 00 89 d7 48 8d 3c 7f 48 8d bc 3f cc 27 3d 8e <48> 81 ff a4 0c dd 8e 0f 87 d8 10 00 00 48 8d 3c 85 3c 8f d2 8d 29
[ 79.431471][ C1] RSP: 0018:ffffc9000918f6a8 EFLAGS: 00000293
[ 79.436548][ T8785] do_syscall_64+0x47/0xb0
[ 79.442047][ C1] RAX: 000000000002bff1 RBX: 1ffff92001231edd RCX: 000000000002bff1
[ 79.442072][ C1] RDX: 000000000002bffb RSI: 000000000000b9cd RDI: ffffffff8e4da7ae
[ 79.442085][ C1] RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8e4da772
[ 79.442098][ C1] R10: fffff52001231efb R11: 0000000000084087 R12: ffffc9000918f7c8
[ 79.442113][ C1] R13: ffffc9000918f7b5 R14: ffffc9000918f780 R15: ffffffff81b9cd7f
[ 79.442129][ C1] ? kasan_set_free_info+0x1f/0x30
[ 79.442174][ C1] ? unwind_next_frame+0x120/0x1ce0
[ 79.450504][ T8785] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.455028][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.455068][ C1] ? deref_stack_reg+0x150/0x150
[ 79.455099][ C1] ? __unwind_start+0x51b/0x800
[ 79.461267][ T8785] RIP: 0033:0x4510e9
[ 79.466117][ C1] ? create_prof_cpu_mask+0x20/0x20
[ 79.466159][ C1] arch_stack_walk+0x7d/0xe0
[ 79.466188][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.472333][ T8785] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
[ 79.479979][ C1] ? kmem_cache_free+0x8a/0x740
[ 79.480022][ C1] stack_trace_save+0x8c/0xc0
[ 79.480053][ C1] ? stack_trace_consume_entry+0x160/0x160
[ 79.480089][ C1] kasan_save_stack+0x1b/0x40
[ 79.486124][ T8785] RSP: 002b:00000000005efcd8 EFLAGS: 00000216
[ 79.492082][ C1] ? kasan_save_stack+0x1b/0x40
[ 79.492124][ C1] ? kasan_set_track+0x1c/0x30
[ 79.492147][ C1] ? kasan_set_free_info+0x20/0x30
[ 79.492170][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400
[ 79.492210][ C1] ? find_held_lock+0x2d/0x110
[ 79.492240][ C1] ? debug_check_no_obj_freed+0x20c/0x420
[ 79.500764][ T8785] ORIG_RAX: 00000000000001aa
[ 79.506862][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.506912][ C1] ? _raw_spin_unlock_irqrestore+0x50/0x70
[ 79.506946][ C1] ? lockdep_hardirqs_on+0x79/0x100
[ 79.506973][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70
[ 79.511894][ T8785] RAX: 0000000000000100 RBX: 0000000000000003 RCX: 00000000004510e9
[ 79.516883][ C1] ? debug_check_no_obj_freed+0x20c/0x420
[ 79.516927][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80
[ 79.516956][ C1] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70
[ 79.516984][ C1] kasan_set_track+0x1c/0x30
[ 79.522162][ T8785] RDX: 0000000000000000 RSI: 000000000000450c RDI: 0000000000000003
[ 79.530836][ C1] kasan_set_free_info+0x20/0x30
[ 79.530875][ C1] __kasan_slab_free+0xfb/0x130
[ 79.530898][ C1] slab_free_freelist_hook+0xdf/0x240
[ 79.530930][ C1] kmem_cache_free+0x8a/0x740
[ 79.537440][ T8785] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 79.542390][ C1] ? unlink_anon_vmas+0x472/0x860
[ 79.542440][ C1] unlink_anon_vmas+0x472/0x860
[ 79.549465][ T8785] R10: 0000000000000000 R11: 0000000000000216 R12: 00000000005efd28
[ 79.554254][ C1] free_pgtables+0xe2/0x2f0
[ 79.554300][ C1] exit_mmap+0x2b7/0x590
[ 79.559592][ T8785] R13: 00000000005efd40 R14: 00000000005efd80 R15: 0000000000000128
[ 79.563866][ C1] ? __ia32_sys_remap_file_pages+0x150/0x150
[ 79.563926][ C1] __mmput+0x122/0x470
[ 79.572771][ T8785] irq event stamp: 2751
[ 79.576634][ C1] mmput+0x58/0x60
[ 79.576673][ C1] do_exit+0xb0a/0x2a60
[ 79.583136][ T8785] hardirqs last enabled at (2765): [] _raw_spin_unlock_irq+0x1f/0x40
[ 79.586920][ C1] ? mm_update_next_owner+0x7a0/0x7a0
[ 79.586957][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.586984][ C1] ? lock_downgrade+0x6e0/0x6e0
[ 79.587023][ C1] do_group_exit+0x125/0x310
[ 79.591412][ T8785] hardirqs last disabled at (2776): [] __schedule+0x12d2/0x23e0
[ 79.599303][ C1] __x64_sys_exit_group+0x3a/0x50
[ 79.599344][ C1] do_syscall_64+0x3a/0xb0
[ 79.599369][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae
[ 79.599394][ C1] RIP: 0033:0x7f6ba4eb3618
[ 79.599414][ C1] Code: Unable to access opcode bytes at RIP 0x7f6ba4eb35ee.
[ 79.599423][ C1] RSP: 002b:00007ffd8038caf8 EFLAGS: 00000246
[ 79.603922][ T8785] softirqs last enabled at (2036): [] __irq_exit_rcu+0x136/0x200
[ 79.609973][ C1] ORIG_RAX: 00000000000000e7
[ 79.609990][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f6ba4eb3618
[ 79.610005][ C1] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[ 79.610018][ C1] RBP: 00007f6ba51908e0 R08: 00000000000000e7 R09: fffffffffffffee8
[ 79.610032][ C1] R10: 00007f6ba336e158 R11: 0000000000000246 R12: 00007f6ba51908e0
[ 79.610048][ C1] R13: 00007f6ba5195c20 R14: 0000000000000000 R15: 0000000000000000
[ 79.615570][ C1] Kernel Offset: disabled
[ 80.489089][ C1] Rebooting in 86400 seconds..