dhcpcd-9.4.0 starting
dev: loaded udev
DUID 00:04:60:53:42:71:88:b7:f6:77:35:a2:41:23:0b:7b:f3:52
forked to background, child pid 2386
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.187' (ECDSA) to the list of known hosts.
2023/03/27 06:49:22 fuzzer started
syzkaller login: [ 30.695464][ T2455] ------------[ cut here ]------------
[ 30.701021][ T2455] WARNING: CPU: 0 PID: 2455 at include/linux/cpumask.h:143 c_start+0x1da/0x250
[ 30.710230][ T2455] Modules linked in:
[ 30.714166][ T2455] CPU: 0 PID: 2455 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 30.724205][ T2455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 30.734303][ T2455] RIP: 0010:c_start+0x1da/0x250
[ 30.739185][ T2455] 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
[ 30.758950][ T2455] RSP: 0018:ffffc90000597c68 EFLAGS: 00010293
[ 30.767041][ T2455] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 30.775107][ T2455] RDX: ffff888110e35400 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 30.783137][ T2455] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 30.791122][ T2455] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810fbffce0
[ 30.799148][ T2455] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 30.807183][ T2455] FS: 000000c0001d9c90(0000) GS:ffff8881f6800000(0000) knlGS:0000000000000000
[ 30.816202][ T2455] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 30.822858][ T2455] CR2: 000000c000cad000 CR3: 000000010f784000 CR4: 00000000003506f0
[ 30.830839][ T2455] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 30.838852][ T2455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 30.846894][ T2455] Call Trace:
[ 30.850187][ T2455]
[ 30.853206][ T2455] seq_read_iter+0x2ca/0x12d0
[ 30.857922][ T2455] proc_reg_read_iter+0x115/0x2d0
[ 30.863038][ T2455] vfs_read+0x681/0x930
[ 30.867251][ T2455] ? kernel_read+0x1c0/0x1c0
[ 30.871899][ T2455] ? __fget_files+0x26a/0x480
[ 30.876625][ T2455] ksys_read+0x12b/0x250
[ 30.880870][ T2455] ? vfs_write+0xe10/0xe10
[ 30.885358][ T2455] ? syscall_enter_from_user_mode+0x26/0xb0
[ 30.891281][ T2455] do_syscall_64+0x39/0xb0
[ 30.895753][ T2455] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 30.901715][ T2455] RIP: 0033:0x403ace
[ 30.905622][ T2455] 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
[ 30.925297][ T2455] RSP: 002b:000000c000b5f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 30.933789][ T2455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 30.941830][ T2455] RDX: 0000000000001000 RSI: 000000c000320000 RDI: 0000000000000003
[ 30.949818][ T2455] RBP: 000000c000b5f348 R08: 0000000000000000 R09: 0000000000000000
[ 30.957838][ T2455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b5f488
[ 30.965906][ T2455] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0100000000000000
[ 30.974025][ T2455]
[ 30.977059][ T2455] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 30.984335][ T2455] CPU: 0 PID: 2455 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 30.994331][ T2455] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 31.004376][ T2455] Call Trace:
[ 31.007673][ T2455]
[ 31.010598][ T2455] dump_stack_lvl+0xd9/0x150
[ 31.015190][ T2455] panic+0x688/0x730
[ 31.019088][ T2455] ? panic_smp_self_stop+0x90/0x90
[ 31.024193][ T2455] ? show_trace_log_lvl+0x285/0x390
[ 31.029394][ T2455] ? c_start+0x1da/0x250
[ 31.033639][ T2455] check_panic_on_warn+0xb1/0xc0
[ 31.038608][ T2455] __warn+0xf2/0x4f0
[ 31.042499][ T2455] ? c_start+0x1da/0x250
[ 31.046738][ T2455] report_bug+0x2da/0x500
[ 31.051077][ T2455] handle_bug+0x3c/0x70
[ 31.055228][ T2455] exc_invalid_op+0x18/0x50
[ 31.059727][ T2455] asm_exc_invalid_op+0x1a/0x20
[ 31.064574][ T2455] RIP: 0010:c_start+0x1da/0x250
[ 31.069423][ T2455] 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
[ 31.089027][ T2455] RSP: 0018:ffffc90000597c68 EFLAGS: 00010293
[ 31.095094][ T2455] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 31.103060][ T2455] RDX: ffff888110e35400 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 31.111030][ T2455] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 31.119043][ T2455] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810fbffce0
[ 31.127012][ T2455] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 31.135064][ T2455] ? c_start+0x1da/0x250
[ 31.139313][ T2455] ? c_start+0x1da/0x250
[ 31.143556][ T2455] seq_read_iter+0x2ca/0x12d0
[ 31.148235][ T2455] proc_reg_read_iter+0x115/0x2d0
[ 31.153253][ T2455] vfs_read+0x681/0x930
[ 31.157405][ T2455] ? kernel_read+0x1c0/0x1c0
[ 31.161992][ T2455] ? __fget_files+0x26a/0x480
[ 31.166663][ T2455] ksys_read+0x12b/0x250
[ 31.170902][ T2455] ? vfs_write+0xe10/0xe10
[ 31.175318][ T2455] ? syscall_enter_from_user_mode+0x26/0xb0
[ 31.181211][ T2455] do_syscall_64+0x39/0xb0
[ 31.185624][ T2455] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 31.191527][ T2455] RIP: 0033:0x403ace
[ 31.195416][ T2455] 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
[ 31.215109][ T2455] RSP: 002b:000000c000b5f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 31.223514][ T2455] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 31.231481][ T2455] RDX: 0000000000001000 RSI: 000000c000320000 RDI: 0000000000000003
[ 31.239468][ T2455] RBP: 000000c000b5f348 R08: 0000000000000000 R09: 0000000000000000
[ 31.247432][ T2455] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000b5f488
[ 31.255429][ T2455] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0100000000000000
[ 31.263417][ T2455]
[ 31.266657][ T2455] Kernel Offset: disabled
[ 31.271029][ T2455] Rebooting in 86400 seconds..