Warning: Permanently added '10.128.0.218' (ECDSA) to the list of known hosts.
2023/03/27 07:00:50 fuzzer started
syzkaller login: [ 29.393676][ T2450] ------------[ cut here ]------------
[ 29.399271][ T2450] WARNING: CPU: 0 PID: 2450 at include/linux/cpumask.h:143 c_start+0x1da/0x250
[ 29.408423][ T2450] Modules linked in:
[ 29.412335][ T2450] CPU: 0 PID: 2450 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 29.422350][ T2450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 29.432536][ T2450] RIP: 0010:c_start+0x1da/0x250
[ 29.437445][ T2450] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff
[ 29.457103][ T2450] RSP: 0018:ffffc900014e7c68 EFLAGS: 00010293
[ 29.463180][ T2450] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 29.471194][ T2450] RDX: ffff888115c0b800 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 29.479212][ T2450] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 29.487226][ T2450] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810d349028
[ 29.495251][ T2450] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 29.503241][ T2450] FS: 0000000001ec6270(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
[ 29.512212][ T2450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.518857][ T2450] CR2: 00007fcea05d63d8 CR3: 000000010ee56000 CR4: 00000000003506f0
[ 29.526886][ T2450] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 29.534896][ T2450] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 29.542861][ T2450] Call Trace:
[ 29.546214][ T2450]
[ 29.549171][ T2450] seq_read_iter+0x2ca/0x12d0
[ 29.553889][ T2450] proc_reg_read_iter+0x115/0x2d0
[ 29.558960][ T2450] vfs_read+0x681/0x930
[ 29.563132][ T2450] ? kernel_read+0x1c0/0x1c0
[ 29.567762][ T2450] ? __fget_files+0x26a/0x480
[ 29.572457][ T2450] ksys_read+0x12b/0x250
[ 29.576740][ T2450] ? vfs_write+0xe10/0xe10
[ 29.581171][ T2450] ? syscall_enter_from_user_mode+0x26/0xb0
[ 29.587114][ T2450] do_syscall_64+0x39/0xb0
[ 29.591545][ T2450] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 29.597481][ T2450] RIP: 0033:0x403ace
[ 29.601386][ T2450] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48
[ 29.621064][ T2450] RSP: 002b:000000c000c37308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 29.629528][ T2450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 29.637535][ T2450] RDX: 0000000000001000 RSI: 000000c0003e2000 RDI: 0000000000000003
[ 29.645547][ T2450] RBP: 000000c000c37348 R08: 0000000000000000 R09: 0000000000000000
[ 29.653511][ T2450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c37488
[ 29.661576][ T2450] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000001000000
[ 29.669589][ T2450]
[ 29.672603][ T2450] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 29.679868][ T2450] CPU: 0 PID: 2450 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 29.689835][ T2450] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 29.699893][ T2450] Call Trace:
[ 29.703167][ T2450]
[ 29.706115][ T2450] dump_stack_lvl+0xd9/0x150
[ 29.710714][ T2450] panic+0x688/0x730
[ 29.714608][ T2450] ? panic_smp_self_stop+0x90/0x90
[ 29.719732][ T2450] ? show_trace_log_lvl+0x285/0x390
[ 29.724945][ T2450] ? c_start+0x1da/0x250
[ 29.729181][ T2450] check_panic_on_warn+0xb1/0xc0
[ 29.734131][ T2450] __warn+0xf2/0x4f0
[ 29.738036][ T2450] ? c_start+0x1da/0x250
[ 29.742272][ T2450] report_bug+0x2da/0x500
[ 29.746597][ T2450] handle_bug+0x3c/0x70
[ 29.750744][ T2450] exc_invalid_op+0x18/0x50
[ 29.755237][ T2450] asm_exc_invalid_op+0x1a/0x20
[ 29.760339][ T2450] RIP: 0010:c_start+0x1da/0x250
[ 29.765184][ T2450] Code: 58 55 87 e8 18 09 3e 00 4c 89 e0 5b 5d 41 5c 41 5d 41 5e c3 f3 48 0f bc db e8 02 09 3e 00 89 db e9 38 ff ff ff e8 f6 08 3e 00 <0f> 0b e9 c1 fe ff ff 48 c7 c7 c0 bc e1 88 e8 b3 9e 72 00 e9 67 ff
[ 29.784785][ T2450] RSP: 0018:ffffc900014e7c68 EFLAGS: 00010293
[ 29.790929][ T2450] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 29.798977][ T2450] RDX: ffff888115c0b800 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 29.806936][ T2450] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 29.814894][ T2450] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810d349028
[ 29.822855][ T2450] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 29.830823][ T2450] ? c_start+0x1da/0x250
[ 29.835066][ T2450] ? c_start+0x1da/0x250
[ 29.839302][ T2450] seq_read_iter+0x2ca/0x12d0
[ 29.843978][ T2450] proc_reg_read_iter+0x115/0x2d0
[ 29.849008][ T2450] vfs_read+0x681/0x930
[ 29.853154][ T2450] ? kernel_read+0x1c0/0x1c0
[ 29.857733][ T2450] ? __fget_files+0x26a/0x480
[ 29.862403][ T2450] ksys_read+0x12b/0x250
[ 29.866650][ T2450] ? vfs_write+0xe10/0xe10
[ 29.871058][ T2450] ? syscall_enter_from_user_mode+0x26/0xb0
[ 29.876945][ T2450] do_syscall_64+0x39/0xb0
[ 29.881355][ T2450] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 29.887281][ T2450] RIP: 0033:0x403ace
[ 29.891174][ T2450] Code: 48 89 6c 24 38 48 8d 6c 24 38 e8 0d 00 00 00 48 8b 6c 24 38 48 83 c4 40 c3 cc cc cc 49 89 f2 48 89 fa 48 89 ce 48 89 df 0f 05 <48> 3d 01 f0 ff ff 76 15 48 f7 d8 48 89 c1 48 c7 c0 ff ff ff ff 48
[ 29.910785][ T2450] RSP: 002b:000000c000c37308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 29.919193][ T2450] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 29.927163][ T2450] RDX: 0000000000001000 RSI: 000000c0003e2000 RDI: 0000000000000003
[ 29.935124][ T2450] RBP: 000000c000c37348 R08: 0000000000000000 R09: 0000000000000000
[ 29.943083][ T2450] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c37488
[ 29.951062][ T2450] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000001000000
[ 29.959027][ T2450]
[ 29.962210][ T2450] Kernel Offset: disabled
[ 29.966584][ T2450] Rebooting in 86400 seconds..