[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.117' (ECDSA) to the list of known hosts. executing program executing program syzkaller login: [ 35.716504] FAULT_INJECTION: forcing a failure. [ 35.716504] name failslab, interval 1, probability 0, space 0, times 1 [ 35.727915] CPU: 0 PID: 8123 Comm: syz-executor105 Not tainted 4.19.211-syzkaller #0 [ 35.735791] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 35.745129] Call Trace: [ 35.747701] dump_stack+0x1fc/0x2ef [ 35.751333] should_fail.cold+0xa/0xf [ 35.755133] ? setup_fault_attr+0x200/0x200 [ 35.759441] ? lock_acquire+0x170/0x3c0 [ 35.763408] ? dev_uevent_filter+0xd0/0xd0 [ 35.767632] __should_failslab+0x115/0x180 [ 35.771863] should_failslab+0x5/0x10 [ 35.775654] kmem_cache_alloc_trace+0x284/0x380 [ 35.780308] ? dev_uevent_filter+0xd0/0xd0 [ 35.784551] kobject_uevent_env+0x236/0x1480 [ 35.788951] ? wait_for_completion_io+0x10/0x10 [ 35.793608] device_add+0xb2f/0x16d0 [ 35.797319] ? device_check_offline+0x280/0x280 [ 35.801986] ? kfree_const+0x51/0x60 [ 35.805686] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 35.810690] ? kfree+0x1e2/0x210 [ 35.814140] device_create_groups_vargs+0x1f4/0x270 [ 35.819154] device_create+0xdf/0x120 [ 35.822946] ? device_create_vargs+0x50/0x50 [ 35.827343] ? pointer+0x850/0x850 [ 35.830869] bdi_register_va.part.0+0x4c/0x750 [ 35.835434] bdi_register+0x12a/0x140 [ 35.839242] ? bdi_register_va+0x80/0x80 [ 35.843300] ? vsnprintf+0x2cc/0x14f0 [ 35.847085] bdi_register_owner+0x59/0x100 [ 35.851304] __device_add_disk+0xd58/0x10c0 [ 35.855616] ? sprintf+0xc0/0x100 [ 35.859060] ? blk_alloc_devt+0x2d0/0x2d0 [ 35.863190] ? __raw_spin_lock_init+0x28/0x100 [ 35.867751] ? __lockdep_init_map+0x100/0x5a0 [ 35.872231] loop_add+0x628/0x8a0 [ 35.875680] loop_control_ioctl+0x16c/0x480 [ 35.879997] ? loop_lookup+0x1d0/0x1d0 [ 35.883869] ? __vfs_write+0xff/0x770 [ 35.887647] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 35.892571] ? common_file_perm+0x4e5/0x850 [ 35.896873] ? loop_lookup+0x1d0/0x1d0 [ 35.900742] do_vfs_ioctl+0xcdb/0x12e0 [ 35.904615] ? vfs_write+0x3d7/0x540 [ 35.908309] ? ioctl_preallocate+0x200/0x200 [ 35.912699] ? lock_downgrade+0x720/0x720 [ 35.916837] ? check_preemption_disabled+0x41/0x280 [ 35.921850] ? vfs_write+0x393/0x540 [ 35.925547] ? ksys_write+0x1c8/0x2a0 [ 35.929337] ksys_ioctl+0x9b/0xc0 [ 35.932794] __x64_sys_ioctl+0x6f/0xb0 [ 35.936664] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 35.941227] do_syscall_64+0xf9/0x620 [ 35.945012] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.950190] RIP: 0033:0x7fd545026089 [ 35.953887] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 35.972776] RSP: 002b:00007ffe3682ea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 35.980465] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd545026089 [ 35.987727] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 35.994979] RBP: 00007ffe3682eab0 R08: 0000000000000002 R09: 0000000000000001 [ 36.002235] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.009488] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 36.055968] FAULT_INJECTION: forcing a failure. [ 36.055968] name failslab, interval 1, probability 0, space 0, times 0 [ 36.067848] CPU: 1 PID: 8130 Comm: syz-executor105 Not tainted 4.19.211-syzkaller #0 [ 36.075740] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 36.085075] Call Trace: [ 36.087654] dump_stack+0x1fc/0x2ef [ 36.091266] should_fail.cold+0xa/0xf [ 36.095054] ? setup_fault_attr+0x200/0x200 [ 36.099363] ? lock_acquire+0x170/0x3c0 [ 36.103334] __should_failslab+0x115/0x180 [ 36.107552] should_failslab+0x5/0x10 [ 36.111332] __kmalloc+0x2ab/0x3c0 [ 36.114877] ? kobject_get_path+0xbf/0x240 [ 36.119092] kobject_get_path+0xbf/0x240 [ 36.123149] kobject_uevent_env+0x25c/0x1480 [ 36.127545] device_add+0xb2f/0x16d0 [ 36.131246] ? device_check_offline+0x280/0x280 [ 36.135894] ? kfree_const+0x51/0x60 [ 36.139585] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.144583] ? kfree+0x1e2/0x210 [ 36.147933] device_create_groups_vargs+0x1f4/0x270 [ 36.152935] device_create+0xdf/0x120 [ 36.156722] ? device_create_vargs+0x50/0x50 [ 36.161112] ? pointer+0x850/0x850 [ 36.164637] bdi_register_va.part.0+0x4c/0x750 [ 36.169216] bdi_register+0x12a/0x140 [ 36.173004] ? bdi_register_va+0x80/0x80 [ 36.177052] ? vsnprintf+0x2cc/0x14f0 [ 36.180839] bdi_register_owner+0x59/0x100 [ 36.185057] __device_add_disk+0xd58/0x10c0 [ 36.189362] ? sprintf+0xc0/0x100 [ 36.192796] ? blk_alloc_devt+0x2d0/0x2d0 [ 36.196949] ? __raw_spin_lock_init+0x28/0x100 [ 36.201524] ? __lockdep_init_map+0x100/0x5a0 [ 36.206005] loop_add+0x628/0x8a0 [ 36.209442] loop_control_ioctl+0x16c/0x480 [ 36.213744] ? loop_lookup+0x1d0/0x1d0 [ 36.217611] ? __vfs_write+0xff/0x770 [ 36.221402] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.226327] ? common_file_perm+0x4e5/0x850 [ 36.230634] ? loop_lookup+0x1d0/0x1d0 [ 36.234510] do_vfs_ioctl+0xcdb/0x12e0 [ 36.238377] ? vfs_write+0x3d7/0x540 [ 36.242070] ? ioctl_preallocate+0x200/0x200 [ 36.246475] ? lock_downgrade+0x720/0x720 [ 36.250609] ? check_preemption_disabled+0x41/0x280 [ 36.255611] ? vfs_write+0x393/0x540 [ 36.259308] ? ksys_write+0x1c8/0x2a0 [ 36.263093] ksys_ioctl+0x9b/0xc0 [ 36.266546] __x64_sys_ioctl+0x6f/0xb0 [ 36.270418] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.274982] do_syscall_64+0xf9/0x620 [ 36.278780] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.283958] RIP: 0033:0x7fd545026089 [ 36.287653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 36.306536] RSP: 002b:00007ffe3682ea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.314225] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd545026089 [ 36.321488] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.329088] RBP: 00007ffe3682eab0 R08: 0000000000000002 R09: 0000000000000001 [ 36.336350] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.343600] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 36.404458] FAULT_INJECTION: forcing a failure. [ 36.404458] name failslab, interval 1, probability 0, space 0, times 0 [ 36.416205] CPU: 1 PID: 8136 Comm: syz-executor105 Not tainted 4.19.211-syzkaller #0 [ 36.424101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 36.433438] Call Trace: [ 36.436017] dump_stack+0x1fc/0x2ef [ 36.439627] should_fail.cold+0xa/0xf [ 36.443423] ? setup_fault_attr+0x200/0x200 [ 36.447727] ? lock_acquire+0x170/0x3c0 [ 36.451685] __should_failslab+0x115/0x180 [ 36.455929] should_failslab+0x5/0x10 [ 36.459717] kmem_cache_alloc+0x277/0x370 [ 36.463850] __kernfs_new_node+0xd2/0x680 [ 36.467986] ? kernfs_dop_revalidate+0x3a0/0x3a0 [ 36.472735] ? __mutex_unlock_slowpath+0xea/0x610 [ 36.477574] ? wait_for_completion_io+0x10/0x10 [ 36.482236] ? kernfs_next_descendant_post+0x19c/0x290 [ 36.487506] kernfs_new_node+0x92/0x120 [ 36.491464] __kernfs_create_file+0x51/0x340 [ 36.495854] sysfs_add_file_mode_ns+0x226/0x540 [ 36.500506] sysfs_merge_group+0x198/0x320 [ 36.504735] ? sysfs_update_group+0x30/0x30 [ 36.509037] ? kernfs_create_link+0x1b9/0x230 [ 36.513516] ? kernfs_put+0x31/0x50 [ 36.517122] dpm_sysfs_add+0x154/0x210 [ 36.521005] device_add+0xa43/0x16d0 [ 36.524704] ? device_check_offline+0x280/0x280 [ 36.529359] ? kfree_const+0x51/0x60 [ 36.533060] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 36.538069] ? kfree+0x1e2/0x210 [ 36.541425] device_create_groups_vargs+0x1f4/0x270 [ 36.546426] device_create+0xdf/0x120 [ 36.550211] ? device_create_vargs+0x50/0x50 [ 36.554604] ? pointer+0x850/0x850 [ 36.558130] bdi_register_va.part.0+0x4c/0x750 [ 36.562693] bdi_register+0x12a/0x140 [ 36.566479] ? bdi_register_va+0x80/0x80 [ 36.570549] ? vsnprintf+0x2cc/0x14f0 [ 36.574330] bdi_register_owner+0x59/0x100 [ 36.578550] __device_add_disk+0xd58/0x10c0 [ 36.582863] ? sprintf+0xc0/0x100 [ 36.586294] ? blk_alloc_devt+0x2d0/0x2d0 [ 36.590423] ? __raw_spin_lock_init+0x28/0x100 [ 36.594997] ? __lockdep_init_map+0x100/0x5a0 [ 36.599478] loop_add+0x628/0x8a0 [ 36.602914] loop_control_ioctl+0x16c/0x480 [ 36.607235] ? loop_lookup+0x1d0/0x1d0 [ 36.611106] ? __vfs_write+0xff/0x770 [ 36.614894] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.619804] ? common_file_perm+0x4e5/0x850 [ 36.624108] ? loop_lookup+0x1d0/0x1d0 [ 36.627977] do_vfs_ioctl+0xcdb/0x12e0 [ 36.631873] ? vfs_write+0x3d7/0x540 [ 36.635573] ? ioctl_preallocate+0x200/0x200 [ 36.639961] ? lock_downgrade+0x720/0x720 [ 36.644096] ? check_preemption_disabled+0x41/0x280 [ 36.649120] ? vfs_write+0x393/0x540 [ 36.652840] ? ksys_write+0x1c8/0x2a0 [ 36.656623] ksys_ioctl+0x9b/0xc0 [ 36.660058] __x64_sys_ioctl+0x6f/0xb0 [ 36.663929] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.668490] do_syscall_64+0xf9/0x620 [ 36.672278] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.677450] RIP: 0033:0x7fd545026089 [ 36.681150] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 36.700816] RSP: 002b:00007ffe3682ea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 36.708506] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd545026089 [ 36.715775] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 36.723024] RBP: 00007ffe3682eab0 R08: 0000000000000002 R09: 0000000000000001 [ 36.730284] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 36.737532] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 36.750407] ------------[ cut here ]------------ [ 36.755503] WARNING: CPU: 1 PID: 8136 at block/genhd.c:719 __device_add_disk.cold+0x69/0x188 [ 36.764084] Kernel panic - not syncing: panic_on_warn set ... [ 36.764084] [ 36.771472] CPU: 1 PID: 8136 Comm: syz-executor105 Not tainted 4.19.211-syzkaller #0 [ 36.779353] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 [ 36.788701] Call Trace: [ 36.791273] dump_stack+0x1fc/0x2ef [ 36.794884] panic+0x26a/0x50e [ 36.798057] ? __warn_printk+0xf3/0xf3 [ 36.801925] ? __device_add_disk.cold+0x69/0x188 [ 36.806663] ? __probe_kernel_read+0x130/0x1b0 [ 36.811243] ? __warn.cold+0x5/0x5a [ 36.814859] ? __warn+0xe4/0x200 [ 36.818208] ? __device_add_disk.cold+0x69/0x188 [ 36.822943] __warn.cold+0x20/0x5a [ 36.826464] ? __device_add_disk.cold+0x69/0x188 [ 36.831198] report_bug+0x262/0x2b0 [ 36.834806] do_error_trap+0x1d7/0x310 [ 36.838696] ? math_error+0x310/0x310 [ 36.842477] ? __irq_work_queue_local+0x101/0x160 [ 36.847299] ? irq_work_queue+0x29/0x80 [ 36.851260] ? error_entry+0x72/0xd0 [ 36.854954] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.859951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.864777] invalid_op+0x14/0x20 [ 36.868209] RIP: 0010:__device_add_disk.cold+0x69/0x188 [ 36.873567] Code: 02 84 c0 74 08 3c 03 0f 8e a8 00 00 00 44 8b a5 f0 05 00 00 e9 67 ad 6a fb e8 05 45 66 f9 48 c7 c7 60 75 b2 88 e8 64 76 f7 ff <0f> 0b e9 8f b9 6a fb e8 ed 44 66 f9 48 c7 c7 60 75 b2 88 e8 4c 76 [ 36.892448] RSP: 0018:ffff8880b24afb38 EFLAGS: 00010286 [ 36.897789] RAX: 0000000000000024 RBX: 0000000000000001 RCX: 0000000000000000 [ 36.905058] RDX: 0000000000000000 RSI: ffffffff814dff01 RDI: ffffed1016495f59 [ 36.912328] RBP: ffff8880b463b5c0 R08: 0000000000000024 R09: 0000000000000000 [ 36.919619] R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880b463b650 [ 36.926882] R13: ffff8880b463bc50 R14: 00000000fffffff4 R15: ffff8880b463b5c4 [ 36.934149] ? vprintk_func+0x81/0x180 [ 36.938036] ? __device_add_disk.cold+0x69/0x188 [ 36.942773] ? sprintf+0xc0/0x100 [ 36.946215] ? blk_alloc_devt+0x2d0/0x2d0 [ 36.950347] ? __raw_spin_lock_init+0x28/0x100 [ 36.954913] ? __lockdep_init_map+0x100/0x5a0 [ 36.959389] loop_add+0x628/0x8a0 [ 36.962826] loop_control_ioctl+0x16c/0x480 [ 36.967127] ? loop_lookup+0x1d0/0x1d0 [ 36.970997] ? __vfs_write+0xff/0x770 [ 36.974800] ? proc_tgid_io_accounting+0x7f0/0x7f0 [ 36.979712] ? common_file_perm+0x4e5/0x850 [ 36.984012] ? loop_lookup+0x1d0/0x1d0 [ 36.987881] do_vfs_ioctl+0xcdb/0x12e0 [ 36.991748] ? vfs_write+0x3d7/0x540 [ 36.995440] ? ioctl_preallocate+0x200/0x200 [ 36.999830] ? lock_downgrade+0x720/0x720 [ 37.003962] ? check_preemption_disabled+0x41/0x280 [ 37.008959] ? vfs_write+0x393/0x540 [ 37.012656] ? ksys_write+0x1c8/0x2a0 [ 37.016439] ksys_ioctl+0x9b/0xc0 [ 37.019876] __x64_sys_ioctl+0x6f/0xb0 [ 37.023745] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 37.028307] do_syscall_64+0xf9/0x620 [ 37.032092] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 37.037263] RIP: 0033:0x7fd545026089 [ 37.040957] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 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 [ 37.059837] RSP: 002b:00007ffe3682ea98 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 37.067523] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd545026089 [ 37.074783] RDX: 000000000000000b RSI: 0000000000004c80 RDI: 0000000000000003 [ 37.082034] RBP: 00007ffe3682eab0 R08: 0000000000000002 R09: 0000000000000001 [ 37.089282] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 37.096530] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 37.104161] Kernel Offset: disabled [ 37.107874] Rebooting in 86400 seconds..