Warning: Permanently added '10.128.0.70' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 45.337315][ T8372] general protection fault, probably for non-canonical address 0xdffffc0000000004: 0000 [#1] PREEMPT SMP KASAN [ 45.349062][ T8372] KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] [ 45.357450][ T8372] CPU: 0 PID: 8372 Comm: syz-executor295 Not tainted 5.14.0-syzkaller #0 [ 45.365832][ T8372] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 45.375859][ T8372] RIP: 0010:__io_file_supports_nowait+0x28/0x3e0 [ 45.382164][ T8372] Code: 00 90 55 41 57 41 56 41 54 53 41 89 f6 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 73 02 92 ff 49 8d 5f 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 29 55 db ff 48 8b 2b 48 89 e8 48 [ 45.401783][ T8372] RSP: 0018:ffffc9000a127430 EFLAGS: 00010202 [ 45.407828][ T8372] RAX: 0000000000000004 RBX: 0000000000000020 RCX: ffff8880315b54c0 [ 45.415770][ T8372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 45.423712][ T8372] RBP: ffffc9000a127c70 R08: ffffffff81ee1b1b R09: fffff52001424f79 [ 45.431657][ T8372] R10: fffff52001424f79 R11: 0000000000000000 R12: dffffc0000000000 [ 45.439602][ T8372] R13: 1ffff92001424f7a R14: 0000000000000000 R15: 0000000000000000 [ 45.447565][ T8372] FS: 000000000214f300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 45.456470][ T8372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.463032][ T8372] CR2: 0000000020000084 CR3: 0000000037b7b000 CR4: 00000000001506f0 [ 45.470986][ T8372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 45.478937][ T8372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 45.486887][ T8372] Call Trace: [ 45.490152][ T8372] io_issue_sqe+0xed3/0x9280 [ 45.494730][ T8372] ? trace_lock_release+0x4f/0x150 [ 45.499822][ T8372] ? stack_trace_save+0x1e0/0x1e0 [ 45.504826][ T8372] ? __io_queue_sqe+0x1000/0x1000 [ 45.509827][ T8372] ? do_raw_spin_lock+0x151/0x8e0 [ 45.514830][ T8372] ? __lock_acquire+0x6100/0x6100 [ 45.519832][ T8372] ? print_irqtrace_events+0x220/0x220 [ 45.525267][ T8372] ? do_raw_spin_unlock+0x134/0x8a0 [ 45.530455][ T8372] ? _raw_spin_unlock_irqrestore+0x8b/0x120 [ 45.536346][ T8372] ? _raw_spin_unlock_irqrestore+0xc1/0x120 [ 45.542240][ T8372] ? _raw_spin_unlock+0x40/0x40 [ 45.547089][ T8372] ? stack_trace_save+0x104/0x1e0 [ 45.552200][ T8372] ? stack_trace_snprint+0xe0/0xe0 [ 45.557301][ T8372] ? stack_depot_save+0x421/0x490 [ 45.562309][ T8372] ? kasan_save_stack+0x3e/0x50 [ 45.567139][ T8372] ? kasan_save_stack+0x27/0x50 [ 45.571971][ T8372] ? kasan_record_aux_stack+0xf1/0x130 [ 45.577410][ T8372] ? task_work_add+0x2f/0x1b0 [ 45.582065][ T8372] ? io_req_task_work_add+0x211/0x410 [ 45.587415][ T8372] ? io_req_complete_post+0x194/0x5d0 [ 45.592768][ T8372] ? io_submit_sqes+0x97ce/0x9e00 [ 45.597775][ T8372] ? __se_sys_io_uring_enter+0x21e/0x1ca0 [ 45.603473][ T8372] ? do_syscall_64+0x3d/0xb0 [ 45.608043][ T8372] ? entry_SYSCALL_64_after_hwframe+0x44/0xae [ 45.614110][ T8372] ? trace_lock_release+0x4f/0x150 [ 45.619200][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.624808][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.630780][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.636387][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.642345][ T8372] ? try_to_wake_up+0x915/0xe90 [ 45.647175][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.652784][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.658753][ T8372] ? rcu_lock_acquire+0x5/0x30 [ 45.663503][ T8372] ? trace_lock_release+0x4f/0x150 [ 45.668593][ T8372] ? lock_release+0x81/0x7b0 [ 45.673158][ T8372] ? __lock_acquire+0x6100/0x6100 [ 45.678157][ T8372] ? kick_process+0xd6/0x140 [ 45.682724][ T8372] ? try_invoke_on_locked_down_task+0x310/0x310 [ 45.688946][ T8372] ? __rcu_read_lock+0xb0/0xb0 [ 45.693697][ T8372] ? __lock_acquire+0x6100/0x6100 [ 45.698709][ T8372] ? do_raw_spin_unlock+0x134/0x8a0 [ 45.703888][ T8372] ? io_req_task_work_add+0x363/0x410 [ 45.709239][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.714855][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.720821][ T8372] ? percpu_ref_put_many+0x134/0x1e0 [ 45.726097][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.731718][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.737687][ T8372] ? lock_release+0x81/0x7b0 [ 45.742261][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.747875][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.753840][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.759456][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.765418][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.771032][ T8372] ? __bpf_trace_rcu_stall_warning+0x10/0x10 [ 45.776998][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.782611][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.788227][ T8372] ? rcu_lock_acquire+0x5/0x30 [ 45.792972][ T8372] __io_queue_sqe+0xe3/0x1000 [ 45.797646][ T8372] ? read_lock_is_recursive+0x10/0x10 [ 45.802996][ T8372] ? __lock_acquire+0x6100/0x6100 [ 45.808011][ T8372] ? __lock_acquire+0x6100/0x6100 [ 45.813012][ T8372] ? io_req_task_submit+0x190/0x190 [ 45.818188][ T8372] ? _raw_spin_lock_irq+0xba/0xf0 [ 45.823198][ T8372] tctx_task_work+0x2ad/0x560 [ 45.827856][ T8372] ? io_uring_alloc_task_context+0x620/0x620 [ 45.833817][ T8372] ? do_raw_spin_unlock+0x134/0x8a0 [ 45.839004][ T8372] ? rcu_read_lock_sched_held+0x5d/0x110 [ 45.844611][ T8372] ? _raw_spin_unlock_irq+0x1f/0x40 [ 45.849788][ T8372] task_work_run+0x146/0x1c0 [ 45.854364][ T8372] exit_to_user_mode_prepare+0x180/0x220 [ 45.859972][ T8372] ? trace_irq_disable_rcuidle+0x11/0x170 [ 45.865671][ T8372] syscall_exit_to_user_mode+0x26/0x60 [ 45.871108][ T8372] do_syscall_64+0x4c/0xb0 [ 45.875503][ T8372] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 45.881385][ T8372] RIP: 0033:0x43f029 [ 45.885266][ T8372] Code: 28 c3 e8 2a 14 00 00 66 2e 0f 1f 84 00 00 00 00 00 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 c0 ff ff ff f7 d8 64 89 01 48 [ 45.904867][ T8372] RSP: 002b:00007fff43096f28 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa [ 45.913275][ T8372] RAX: 0000000000000200 RBX: 0000000000000003 RCX: 000000000043f029 [ 45.921225][ T8372] RDX: 0000000000000000 RSI: 00000000000045f5 RDI: 0000000000000003 [ 45.929197][ T8372] RBP: 0000000000403010 R08: 0000000000000000 R09: 0000000000000000 [ 45.937148][ T8372] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004030a0 [ 45.945102][ T8372] R13: 0000000000000000 R14: 00000000004ac018 R15: 0000000000400488 [ 45.953057][ T8372] Modules linked in: [ 45.958950][ T8372] ---[ end trace ab6ebfa74a5558de ]--- [ 45.964409][ T8372] RIP: 0010:__io_file_supports_nowait+0x28/0x3e0 [ 45.970999][ T8372] Code: 00 90 55 41 57 41 56 41 54 53 41 89 f6 49 89 ff 49 bc 00 00 00 00 00 fc ff df e8 73 02 92 ff 49 8d 5f 20 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 29 55 db ff 48 8b 2b 48 89 e8 48 [ 45.990760][ T8372] RSP: 0018:ffffc9000a127430 EFLAGS: 00010202 [ 45.997044][ T8372] RAX: 0000000000000004 RBX: 0000000000000020 RCX: ffff8880315b54c0 [ 46.005072][ T8372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 46.013042][ T8372] RBP: ffffc9000a127c70 R08: ffffffff81ee1b1b R09: fffff52001424f79 [ 46.021067][ T8372] R10: fffff52001424f79 R11: 0000000000000000 R12: dffffc0000000000 [ 46.029075][ T8372] R13: 1ffff92001424f7a R14: 0000000000000000 R15: 0000000000000000 [ 46.037107][ T8372] FS: 000000000214f300(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 46.046069][ T8372] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.052637][ T8372] CR2: 00007f057803e088 CR3: 0000000037b7b000 CR4: 00000000001506f0 [ 46.060614][ T8372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 46.068611][ T8372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 46.076597][ T8372] Kernel panic - not syncing: Fatal exception [ 46.083790][ T8372] Kernel Offset: disabled [ 46.088097][ T8372] Rebooting in 86400 seconds..