dhcpcd-9.4.0 starting
dev: loaded udev
DUID 00:04:38:86:54:de:e3:84:6f:42:f0:0e:4e:a9:8b:37:24:d9
forked to background, child pid 2386
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts.
2023/03/27 05:13:22 fuzzer started
syzkaller login: [ 33.384426][ T2454] ------------[ cut here ]------------
[ 33.390072][ T2454] WARNING: CPU: 1 PID: 2454 at include/linux/cpumask.h:143 c_start+0x1da/0x250
[ 33.399104][ T2454] Modules linked in:
[ 33.403014][ T2454] CPU: 1 PID: 2454 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 33.413359][ T2454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 33.423475][ T2454] RIP: 0010:c_start+0x1da/0x250
[ 33.428370][ T2454] 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
[ 33.448028][ T2454] RSP: 0018:ffffc90000587c68 EFLAGS: 00010293
[ 33.454126][ T2454] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 33.462161][ T2454] RDX: ffff88811f1d9c00 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 33.470188][ T2454] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 33.478214][ T2454] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810dc454c8
[ 33.486209][ T2454] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 33.494237][ T2454] FS: 000000c000058490(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000
[ 33.503231][ T2454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 33.509875][ T2454] CR2: 0000000000d9de43 CR3: 000000010c3c1000 CR4: 00000000003506e0
[ 33.517875][ T2454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 33.525919][ T2454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 33.533949][ T2454] Call Trace:
[ 33.537223][ T2454]
[ 33.540219][ T2454] seq_read_iter+0x2ca/0x12d0
[ 33.544938][ T2454] proc_reg_read_iter+0x115/0x2d0
[ 33.550018][ T2454] vfs_read+0x681/0x930
[ 33.554198][ T2454] ? kernel_read+0x1c0/0x1c0
[ 33.558840][ T2454] ? __mutex_unlock_slowpath+0x157/0x5e0
[ 33.564509][ T2454] ? __fget_files+0x26a/0x480
[ 33.569236][ T2454] ksys_read+0x12b/0x250
[ 33.573503][ T2454] ? vfs_write+0xe10/0xe10
[ 33.577994][ T2454] ? syscall_enter_from_user_mode+0x26/0xb0
[ 33.583921][ T2454] do_syscall_64+0x39/0xb0
[ 33.588397][ T2454] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 33.594318][ T2454] RIP: 0033:0x403ace
[ 33.598256][ T2454] 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
[ 33.617951][ T2454] RSP: 002b:000000c000c6f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 33.626405][ T2454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 33.634437][ T2454] RDX: 0000000000001000 RSI: 000000c0003de000 RDI: 0000000000000003
[ 33.642512][ T2454] RBP: 000000c000c6f348 R08: 0000000000000000 R09: 0000000000000000
[ 33.650547][ T2454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c6f488
[ 33.658566][ T2454] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001
[ 33.666540][ T2454]
[ 33.669607][ T2454] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 33.676898][ T2454] CPU: 1 PID: 2454 Comm: syz-fuzzer Not tainted 6.3.0-rc1-syzkaller-00083-g2b947f8769be #0
[ 33.686876][ T2454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
[ 33.696964][ T2454] Call Trace:
[ 33.700239][ T2454]
[ 33.703162][ T2454] dump_stack_lvl+0xd9/0x150
[ 33.707755][ T2454] panic+0x688/0x730
[ 33.711641][ T2454] ? panic_smp_self_stop+0x90/0x90
[ 33.716744][ T2454] ? show_trace_log_lvl+0x285/0x390
[ 33.721944][ T2454] ? c_start+0x1da/0x250
[ 33.726184][ T2454] check_panic_on_warn+0xb1/0xc0
[ 33.731132][ T2454] __warn+0xf2/0x4f0
[ 33.735045][ T2454] ? c_start+0x1da/0x250
[ 33.739296][ T2454] report_bug+0x2da/0x500
[ 33.743628][ T2454] handle_bug+0x3c/0x70
[ 33.747783][ T2454] exc_invalid_op+0x18/0x50
[ 33.752283][ T2454] asm_exc_invalid_op+0x1a/0x20
[ 33.757131][ T2454] RIP: 0010:c_start+0x1da/0x250
[ 33.761986][ T2454] 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
[ 33.781596][ T2454] RSP: 0018:ffffc90000587c68 EFLAGS: 00010293
[ 33.787673][ T2454] RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000000000
[ 33.795639][ T2454] RDX: ffff88811f1d9c00 RSI: ffffffff810cf5aa RDI: 0000000000000004
[ 33.803619][ T2454] RBP: ffffffff88e1bcc0 R08: 0000000000000004 R09: 0000000000000007
[ 33.811584][ T2454] R10: 0000000000000002 R11: 0000000000000000 R12: ffff88810dc454c8
[ 33.819569][ T2454] R13: 0000000000000008 R14: 0000000000000002 R15: 0000000000000000
[ 33.827541][ T2454] ? c_start+0x1da/0x250
[ 33.831790][ T2454] ? c_start+0x1da/0x250
[ 33.836045][ T2454] seq_read_iter+0x2ca/0x12d0
[ 33.840729][ T2454] proc_reg_read_iter+0x115/0x2d0
[ 33.845754][ T2454] vfs_read+0x681/0x930
[ 33.849924][ T2454] ? kernel_read+0x1c0/0x1c0
[ 33.854514][ T2454] ? __mutex_unlock_slowpath+0x157/0x5e0
[ 33.860149][ T2454] ? __fget_files+0x26a/0x480
[ 33.864832][ T2454] ksys_read+0x12b/0x250
[ 33.869067][ T2454] ? vfs_write+0xe10/0xe10
[ 33.873484][ T2454] ? syscall_enter_from_user_mode+0x26/0xb0
[ 33.879394][ T2454] do_syscall_64+0x39/0xb0
[ 33.883848][ T2454] entry_SYSCALL_64_after_hwframe+0x63/0xcd
[ 33.889777][ T2454] RIP: 0033:0x403ace
[ 33.893675][ T2454] 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
[ 33.913281][ T2454] RSP: 002b:000000c000c6f308 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
[ 33.921692][ T2454] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000403ace
[ 33.929747][ T2454] RDX: 0000000000001000 RSI: 000000c0003de000 RDI: 0000000000000003
[ 33.937717][ T2454] RBP: 000000c000c6f348 R08: 0000000000000000 R09: 0000000000000000
[ 33.945686][ T2454] R10: 0000000000000000 R11: 0000000000000202 R12: 000000c000c6f488
[ 33.953651][ T2454] R13: 0000000000000000 R14: 000000c0000061a0 R15: 0000000000000001
[ 33.961620][ T2454]
[ 33.964794][ T2454] Kernel Offset: disabled
[ 33.969167][ T2454] Rebooting in 86400 seconds..