[[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 '10.128.0.15' (ECDSA) to the list of known hosts.
executing program
executing program
syzkaller login: [ 28.891889] FAULT_INJECTION: forcing a failure.
[ 28.891889] name failslab, interval 1, probability 0, space 0, times 1
[ 28.903242] CPU: 0 PID: 8006 Comm: syz-executor338 Not tainted 4.14.275-syzkaller #0
[ 28.911106] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 28.920440] Call Trace:
[ 28.923008] dump_stack+0x1b2/0x281
[ 28.926616] should_fail.cold+0x10a/0x149
[ 28.930740] should_failslab+0xd6/0x130
[ 28.934691] __kmalloc+0x2c1/0x400
[ 28.938221] ? kobject_get_path+0xb5/0x230
[ 28.942452] ? rcu_lockdep_current_cpu_online+0xed/0x140
[ 28.948029] kobject_get_path+0xb5/0x230
[ 28.952073] kobject_uevent_env+0x230/0xf30
[ 28.956375] ? wait_for_completion_io+0x10/0x10
[ 28.961025] device_add+0xa47/0x15c0
[ 28.964723] ? device_is_dependent+0x2a0/0x2a0
[ 28.969286] ? kfree+0x1f0/0x250
[ 28.972632] device_create_groups_vargs+0x1dc/0x250
[ 28.977632] device_create_vargs+0x3a/0x50
[ 28.981864] bdi_register_va.part.0+0x35/0x650
[ 28.986425] bdi_register+0x101/0x110
[ 28.990202] ? bdi_register_va+0x80/0x80
[ 28.994247] ? vsnprintf+0x260/0x1340
[ 28.998024] bdi_register_owner+0x59/0xf0
[ 29.002150] device_add_disk+0x5bb/0xdc0
[ 29.006221] ? sprintf+0xa7/0xd0
[ 29.009564] ? blk_alloc_devt+0x310/0x310
[ 29.013698] ? __lockdep_init_map+0x100/0x560
[ 29.018209] ? __lockdep_init_map+0x100/0x560
[ 29.022685] loop_add+0x615/0x830
[ 29.026118] ? loop_queue_rq+0x280/0x280
[ 29.030154] ? loop_queue_work+0x21e0/0x21e0
[ 29.034536] ? do_fault_around+0x35e/0x620
[ 29.038755] loop_control_ioctl+0x11a/0x3f0
[ 29.043061] ? loop_lookup+0x190/0x190
[ 29.046930] ? loop_lookup+0x190/0x190
[ 29.050793] do_vfs_ioctl+0x75a/0xff0
[ 29.054575] ? ioctl_preallocate+0x1a0/0x1a0
[ 29.058961] ? vfs_write+0x319/0x4d0
[ 29.062658] ? SyS_write+0x14d/0x210
[ 29.066353] ? security_file_ioctl+0x83/0xb0
[ 29.070740] SyS_ioctl+0x7f/0xb0
[ 29.074080] ? do_vfs_ioctl+0xff0/0xff0
[ 29.078033] do_syscall_64+0x1d5/0x640
[ 29.081913] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 29.087079] RIP: 0033:0x7fb76e4ae0c9
executing program
[ 29.090766] RSP: 002b:00007ffcf6448f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.098447] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb76e4ae0c9
[ 29.105697] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003
[ 29.112941] RBP: 00007ffcf6448f30 R08: 0000000000000002 R09: 0000000000000001
[ 29.120188] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 29.127432] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 29.180111] FAULT_INJECTION: forcing a failure.
[ 29.180111] name failslab, interval 1, probability 0, space 0, times 0
[ 29.191559] CPU: 0 PID: 8014 Comm: syz-executor338 Not tainted 4.14.275-syzkaller #0
[ 29.199425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 29.208758] Call Trace:
[ 29.211325] dump_stack+0x1b2/0x281
[ 29.214932] should_fail.cold+0x10a/0x149
[ 29.219063] should_failslab+0xd6/0x130
[ 29.223018] kmem_cache_alloc+0x28e/0x3c0
[ 29.227149] __kernfs_new_node+0x6f/0x470
[ 29.231281] kernfs_new_node+0x7b/0xe0
[ 29.235168] __kernfs_create_file+0x3d/0x320
[ 29.239560] sysfs_add_file_mode_ns+0x1e1/0x450
[ 29.244206] sysfs_merge_group+0xdc/0x200
[ 29.248336] dpm_sysfs_add+0x122/0x1c0
[ 29.252199] device_add+0x977/0x15c0
[ 29.255896] ? device_is_dependent+0x2a0/0x2a0
[ 29.260462] ? kfree+0x1f0/0x250
[ 29.263808] device_create_groups_vargs+0x1dc/0x250
[ 29.268801] device_create_vargs+0x3a/0x50
[ 29.273015] bdi_register_va.part.0+0x35/0x650
[ 29.277573] bdi_register+0x101/0x110
[ 29.281349] ? bdi_register_va+0x80/0x80
[ 29.285386] ? vsnprintf+0x260/0x1340
[ 29.289163] bdi_register_owner+0x59/0xf0
[ 29.293294] device_add_disk+0x5bb/0xdc0
[ 29.297334] ? sprintf+0xa7/0xd0
[ 29.300675] ? blk_alloc_devt+0x310/0x310
[ 29.304805] ? __lockdep_init_map+0x100/0x560
[ 29.309276] ? __lockdep_init_map+0x100/0x560
[ 29.313751] loop_add+0x615/0x830
[ 29.317196] ? loop_queue_rq+0x280/0x280
[ 29.321237] ? loop_queue_work+0x21e0/0x21e0
[ 29.325623] ? do_fault_around+0x35e/0x620
[ 29.329836] loop_control_ioctl+0x11a/0x3f0
[ 29.334134] ? loop_lookup+0x190/0x190
[ 29.337996] ? loop_lookup+0x190/0x190
[ 29.341863] do_vfs_ioctl+0x75a/0xff0
[ 29.345642] ? ioctl_preallocate+0x1a0/0x1a0
[ 29.350027] ? vfs_write+0x319/0x4d0
[ 29.353718] ? SyS_write+0x14d/0x210
[ 29.357415] ? security_file_ioctl+0x83/0xb0
[ 29.361803] SyS_ioctl+0x7f/0xb0
[ 29.365143] ? do_vfs_ioctl+0xff0/0xff0
[ 29.369091] do_syscall_64+0x1d5/0x640
[ 29.372958] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 29.378124] RIP: 0033:0x7fb76e4ae0c9
[ 29.381863] RSP: 002b:00007ffcf6448f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.389547] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb76e4ae0c9
[ 29.396811] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003
[ 29.404056] RBP: 00007ffcf6448f30 R08: 0000000000000002 R09: 0000000000000001
[ 29.411303] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 29.418549] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 29.438932] kasan: CONFIG_KASAN_INLINE enabled
[ 29.443699] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 29.451143] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 29.457361] Modules linked in:
[ 29.460532] CPU: 1 PID: 8014 Comm: syz-executor338 Not tainted 4.14.275-syzkaller #0
[ 29.468385] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 29.477723] task: ffff8880965520c0 task.stack: ffff888095910000
[ 29.483759] RIP: 0010:sysfs_do_create_link_sd+0x56/0x120
[ 29.489181] RSP: 0018:ffff888095917b48 EFLAGS: 00010202
[ 29.494518] RAX: dffffc0000000000 RBX: 0000000000000010 RCX: 00000000000044e5
[ 29.501764] RDX: 0000000000000008 RSI: 0000000000000001 RDI: 0000000000000040
[ 29.509009] RBP: ffffffff87cbc0e0 R08: ffffffff8b9c71e8 R09: 00000000000400c7
[ 29.516264] R10: ffff888096552970 R11: ffff8880965520c0 R12: ffff8880aa0fe1c0
[ 29.523507] R13: ffffffff87cbc0e0 R14: 0000000000000001 R15: ffff8880b3c6c51c
[ 29.530749] FS: 0000555557090300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
[ 29.538959] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 29.544823] CR2: 0000564718e39848 CR3: 0000000097de3000 CR4: 00000000003406e0
[ 29.552074] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 29.559318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 29.566572] Call Trace:
[ 29.569150] sysfs_create_link+0x5f/0xc0
[ 29.573187] device_add_disk+0x9f8/0xdc0
[ 29.577222] ? sprintf+0xa7/0xd0
[ 29.580559] ? blk_alloc_devt+0x310/0x310
[ 29.584691] ? __lockdep_init_map+0x100/0x560
[ 29.589156] ? __lockdep_init_map+0x100/0x560
[ 29.593629] loop_add+0x615/0x830
[ 29.597064] ? loop_queue_rq+0x280/0x280
[ 29.601109] ? loop_queue_work+0x21e0/0x21e0
[ 29.605489] ? do_fault_around+0x35e/0x620
[ 29.609699] loop_control_ioctl+0x11a/0x3f0
[ 29.614005] ? loop_lookup+0x190/0x190
[ 29.617863] ? loop_lookup+0x190/0x190
[ 29.621721] do_vfs_ioctl+0x75a/0xff0
[ 29.625506] ? ioctl_preallocate+0x1a0/0x1a0
[ 29.629893] ? vfs_write+0x319/0x4d0
[ 29.633580] ? SyS_write+0x14d/0x210
[ 29.637353] ? security_file_ioctl+0x83/0xb0
[ 29.641730] SyS_ioctl+0x7f/0xb0
[ 29.645067] ? do_vfs_ioctl+0xff0/0xff0
[ 29.649015] do_syscall_64+0x1d5/0x640
[ 29.652897] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 29.658062] RIP: 0033:0x7fb76e4ae0c9
[ 29.661759] RSP: 002b:00007ffcf6448f18 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 29.669437] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb76e4ae0c9
[ 29.676676] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003
[ 29.683919] RBP: 00007ffcf6448f30 R08: 0000000000000002 R09: 0000000000000001
[ 29.691165] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
[ 29.698413] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000
[ 29.705743] Code: 84 a1 00 00 00 e8 bb 6a b1 ff 48 c7 c7 40 cd 04 89 e8 6f 63 80 05 48 8d 7b 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a7 00 00 00 4c 8b 6b 30 4d 85 ed 74 4f e8 82
[ 29.724817] RIP: sysfs_do_create_link_sd+0x56/0x120 RSP: ffff888095917b48
[ 29.731829] ---[ end trace 3b5a0038e5c3296a ]---
[ 29.736598] Kernel panic - not syncing: Fatal exception
[ 29.742177] Kernel Offset: disabled
[ 29.745787] Rebooting in 86400 seconds..