[[36minfo[39;49m] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 15.387293][ C1] random: crng init done [?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.58' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.890319][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 25.130266][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 25.250358][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 25.261357][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 25.274193][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 25.283354][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 25.292605][ T12] usb 1-1: config 0 descriptor?? [ 25.783778][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.791235][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.798437][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.805793][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.813015][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.820252][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.827445][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.834676][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.841895][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.849098][ T12] microsoft 0003:045E:07DA.0001: unknown main item tag 0x0 [ 25.858845][ T12] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0001/input/input5 [ 25.943173][ T12] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 25.990615][ C0] ================================================================== [ 25.998953][ C0] BUG: KASAN: slab-out-of-bounds in hidinput_hid_event+0x1111/0x15d3 [ 26.007164][ C0] Read of size 8 at addr ffff8881cfe80988 by task swapper/0/0 [ 26.014604][ C0] [ 26.016935][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc2-syzkaller #0 [ 26.024821][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.034871][ C0] Call Trace: [ 26.038153][ C0] <IRQ> [ 26.040998][ C0] dump_stack+0xef/0x16e [ 26.045224][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.050585][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.055961][ C0] print_address_description.constprop.0+0x16/0x200 [ 26.062530][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.067884][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.073241][ C0] __kasan_report.cold+0x37/0x7f [ 26.078174][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.083575][ C0] kasan_report+0xe/0x20 [ 26.087817][ C0] check_memory_region+0x152/0x1c0 [ 26.093010][ C0] hidinput_hid_event+0x1111/0x15d3 [ 26.098976][ C0] hid_process_event+0x4a0/0x580 [ 26.104590][ C0] ? hid_field_extract+0xe4/0x170 [ 26.109597][ C0] ? mf_play.cold+0x99/0x99 [ 26.114085][ C0] ? kmalloc_order_trace+0xe4/0x110 [ 26.119262][ C0] hid_report_raw_event+0xabb/0xed0 [ 26.124437][ C0] hid_input_report+0x315/0x3f0 [ 26.129264][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 26.134786][ C0] hid_irq_in+0x50e/0x690 [ 26.139104][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 26.144841][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 26.150226][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 26.155681][ C0] dummy_timer+0x123d/0x2fdb [ 26.160256][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.165180][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.170702][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.175972][ C0] call_timer_fn+0x179/0x650 [ 26.180554][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.185476][ C0] ? msleep_interruptible+0x130/0x130 [ 26.190825][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.196348][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.201618][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 26.206792][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.211764][ C0] run_timer_softirq+0x5e3/0x1490 [ 26.216832][ C0] ? add_timer+0x7a0/0x7a0 [ 26.221242][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.226765][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.232030][ C0] __do_softirq+0x221/0x912 [ 26.236514][ C0] irq_exit+0x178/0x1a0 [ 26.240646][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 26.246168][ C0] apic_timer_interrupt+0xf/0x20 [ 26.251078][ C0] </IRQ> [ 26.253995][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 26.259180][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 6c 7c 86 7a 41 54 55 53 0f 1f 44 00 00 e8 76 08 c9 fb e9 07 00 00 00 0f 00 2d 7a 02 47 00 fb f4 <65> 44 8b 2d 48 7c 86 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 26.278824][ C0] RSP: 0018:ffffffff86e07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 26.287267][ C0] RAX: 0000000000000007 RBX: ffffffff86e2c200 RCX: 0000000000000000 [ 26.295221][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86e2ca4c [ 26.303188][ C0] RBP: fffffbfff0dc5840 R08: ffffffff86e2c200 R09: 0000000000000000 [ 26.311145][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.319096][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.328009][ C0] ? default_idle+0x1a/0x2e0 [ 26.332587][ C0] do_idle+0x3c3/0x4e0 [ 26.336635][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 26.341655][ C0] ? schedule+0xe1/0x2b0 [ 26.345872][ C0] cpu_startup_entry+0x14/0x20 [ 26.350613][ C0] start_kernel+0x8b1/0x8eb [ 26.355106][ C0] ? mem_encrypt_init+0x5/0x5 [ 26.359757][ C0] ? x86_family+0x3d/0x50 [ 26.364065][ C0] ? load_ucode_bsp+0x23d/0x27d [ 26.368904][ C0] secondary_startup_64+0xb6/0xc0 [ 26.374070][ C0] [ 26.376379][ C0] Allocated by task 12: [ 26.380514][ C0] save_stack+0x1b/0x80 [ 26.384659][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 26.390283][ C0] input_allocate_device+0x3e/0x260 [ 26.395799][ C0] hidinput_connect+0x3cab/0xdb90 [ 26.400806][ C0] hid_connect+0x965/0xbb0 [ 26.405318][ C0] hid_hw_start+0xa2/0x130 [ 26.409746][ C0] ms_probe+0x159/0x4d0 [ 26.413914][ C0] hid_device_probe+0x2be/0x3f0 [ 26.418791][ C0] really_probe+0x281/0x6d0 [ 26.423294][ C0] driver_probe_device+0x104/0x210 [ 26.428401][ C0] __device_attach_driver+0x1c2/0x220 [ 26.433768][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.438597][ C0] __device_attach+0x217/0x360 [ 26.443338][ C0] bus_probe_device+0x1e4/0x290 [ 26.448278][ C0] device_add+0x1480/0x1c20 [ 26.452771][ C0] hid_add_device+0x33c/0x9a0 [ 26.457429][ C0] usbhid_probe+0xa81/0xfa0 [ 26.462082][ C0] usb_probe_interface+0x305/0x7a0 [ 26.467216][ C0] really_probe+0x281/0x6d0 [ 26.471697][ C0] driver_probe_device+0x104/0x210 [ 26.476781][ C0] __device_attach_driver+0x1c2/0x220 [ 26.482127][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.486959][ C0] __device_attach+0x217/0x360 [ 26.491710][ C0] bus_probe_device+0x1e4/0x290 [ 26.496545][ C0] device_add+0x1480/0x1c20 [ 26.501038][ C0] usb_set_configuration+0xe67/0x1740 [ 26.507186][ C0] generic_probe+0x9d/0xd5 [ 26.511584][ C0] usb_probe_device+0x99/0x100 [ 26.516370][ C0] really_probe+0x281/0x6d0 [ 26.520859][ C0] driver_probe_device+0x104/0x210 [ 26.526063][ C0] __device_attach_driver+0x1c2/0x220 [ 26.531433][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.536261][ C0] __device_attach+0x217/0x360 [ 26.541004][ C0] bus_probe_device+0x1e4/0x290 [ 26.545840][ C0] device_add+0x1480/0x1c20 [ 26.550331][ C0] usb_new_device.cold+0x6a4/0xe79 [ 26.555432][ C0] hub_event+0x1e59/0x3860 [ 26.559826][ C0] process_one_work+0x92b/0x1530 [ 26.564748][ C0] worker_thread+0x96/0xe20 [ 26.569242][ C0] kthread+0x318/0x420 [ 26.573295][ C0] ret_from_fork+0x24/0x30 [ 26.577691][ C0] [ 26.579996][ C0] Freed by task 0: [ 26.583684][ C0] (stack is not available) [ 26.588242][ C0] [ 26.590560][ C0] The buggy address belongs to the object at ffff8881cfe80000 [ 26.590560][ C0] which belongs to the cache kmalloc-2k of size 2048 [ 26.604594][ C0] The buggy address is located 392 bytes to the right of [ 26.604594][ C0] 2048-byte region [ffff8881cfe80000, ffff8881cfe80800) [ 26.618453][ C0] The buggy address belongs to the page: [ 26.624161][ C0] page:ffffea00073fa000 refcount:1 mapcount:0 mapping:ffff8881da00c000 index:0x0 compound_mapcount: 0 [ 26.636057][ C0] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da00c000 [ 26.644623][ C0] raw: 0000000000000000 0000000080080008 00000001ffffffff 0000000000000000 [ 26.653268][ C0] page dumped because: kasan: bad access detected [ 26.659662][ C0] [ 26.662015][ C0] Memory state around the buggy address: [ 26.667714][ C0] ffff8881cfe80880: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.675811][ C0] ffff8881cfe80900: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.683857][ C0] >ffff8881cfe80980: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.691916][ C0] ^ [ 26.696229][ C0] ffff8881cfe80a00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.704273][ C0] ffff8881cfe80a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.712322][ C0] ================================================================== [ 26.720357][ C0] Disabling lock debugging due to kernel taint [ 26.726490][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 26.733055][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.5.0-rc2-syzkaller #0 [ 26.742313][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.752350][ C0] Call Trace: [ 26.755622][ C0] <IRQ> [ 26.758461][ C0] dump_stack+0xef/0x16e [ 26.762715][ C0] panic+0x2aa/0x6e1 [ 26.766619][ C0] ? add_taint.cold+0x16/0x16 [ 26.771371][ C0] ? print_shadow_for_address+0xb8/0x114 [ 26.777007][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 26.782099][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.787456][ C0] end_report+0x43/0x49 [ 26.791601][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.796959][ C0] __kasan_report.cold+0x55/0x7f [ 26.801885][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 26.807254][ C0] kasan_report+0xe/0x20 [ 26.811478][ C0] check_memory_region+0x152/0x1c0 [ 26.816716][ C0] hidinput_hid_event+0x1111/0x15d3 [ 26.821910][ C0] hid_process_event+0x4a0/0x580 [ 26.826962][ C0] ? hid_field_extract+0xe4/0x170 [ 26.831973][ C0] ? mf_play.cold+0x99/0x99 [ 26.836481][ C0] ? kmalloc_order_trace+0xe4/0x110 [ 26.841664][ C0] hid_report_raw_event+0xabb/0xed0 [ 26.846851][ C0] hid_input_report+0x315/0x3f0 [ 26.851680][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 26.857214][ C0] hid_irq_in+0x50e/0x690 [ 26.861530][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 26.867156][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 26.872501][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 26.877699][ C0] dummy_timer+0x123d/0x2fdb [ 26.882884][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.887805][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.893324][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.898582][ C0] call_timer_fn+0x179/0x650 [ 26.903146][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.908144][ C0] ? msleep_interruptible+0x130/0x130 [ 26.913490][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.919614][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.924875][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 26.931028][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.935940][ C0] run_timer_softirq+0x5e3/0x1490 [ 26.940951][ C0] ? add_timer+0x7a0/0x7a0 [ 26.945340][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.952868][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.958136][ C0] __do_softirq+0x221/0x912 [ 26.962628][ C0] irq_exit+0x178/0x1a0 [ 26.966759][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 26.972281][ C0] apic_timer_interrupt+0xf/0x20 [ 26.977200][ C0] </IRQ> [ 26.980113][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 26.985289][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 6c 7c 86 7a 41 54 55 53 0f 1f 44 00 00 e8 76 08 c9 fb e9 07 00 00 00 0f 00 2d 7a 02 47 00 fb f4 <65> 44 8b 2d 48 7c 86 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 27.005139][ C0] RSP: 0018:ffffffff86e07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 27.013537][ C0] RAX: 0000000000000007 RBX: ffffffff86e2c200 RCX: 0000000000000000 [ 27.021499][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86e2ca4c [ 27.029446][ C0] RBP: fffffbfff0dc5840 R08: ffffffff86e2c200 R09: 0000000000000000 [ 27.037393][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 27.045350][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 27.053335][ C0] ? default_idle+0x1a/0x2e0 [ 27.057901][ C0] do_idle+0x3c3/0x4e0 [ 27.061944][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.067171][ C0] ? schedule+0xe1/0x2b0 [ 27.071399][ C0] cpu_startup_entry+0x14/0x20 [ 27.076149][ C0] start_kernel+0x8b1/0x8eb [ 27.080627][ C0] ? mem_encrypt_init+0x5/0x5 [ 27.085347][ C0] ? x86_family+0x3d/0x50 [ 27.089713][ C0] ? load_ucode_bsp+0x23d/0x27d [ 27.094603][ C0] secondary_startup_64+0xb6/0xc0 [ 27.099628][ C0] ------------[ cut here ]------------ [ 27.105173][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 27.114341][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 27.120929][ C0] ------------[ cut here ]------------ [ 27.126369][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 27.135541][ C0] Modules linked in: [ 27.139421][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.5.0-rc2-syzkaller #0 [ 27.148677][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.158730][ C0] RIP: 0010:mutex_trylock+0x26d/0x2e0 [ 27.164089][ C0] Code: c9 31 c9 41 b8 01 00 00 00 ba 01 00 00 00 31 f6 e8 08 a6 ab fb 58 b8 01 00 00 00 48 83 c4 08 5b 5d 41 5c 41 5d 41 5e 41 5f c3 <0f> 0b e9 15 fe ff ff 48 c7 c7 60 cd 2f 89 48 89 14 24 e8 5c fa ec [ 27.184652][ C0] RSP: 0018:ffff8881db209108 EFLAGS: 00010006 [ 27.190707][ C0] RAX: 0000000080000103 RBX: ffffffff86f1f920 RCX: ffffffff81295b29 [ 27.198663][ C0] RDX: 0000000000000004 RSI: ffffffff81369399 RDI: ffffffff86f1f920 [ 27.206794][ C0] RBP: ffff8881db209380 R08: 0000000000000002 R09: fffffbfff0ddf041 [ 27.214741][ C0] R10: fffffbfff0ddf040 R11: ffffffff86ef8203 R12: ffffffff892fcd60 [ 27.222707][ C0] R13: ffffffff85c53f0a R14: ffffffff857a8b00 R15: 000000000000058b [ 27.230656][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 27.239572][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.246130][ C0] CR2: 00007ff93008b000 CR3: 00000001d37e6000 CR4: 00000000001406f0 [ 27.254082][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.262038][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.270173][ C0] Call Trace: [ 27.273448][ C0] <IRQ> [ 27.276286][ C0] ? mutex_trylock+0x1a0/0x2e0 [ 27.281027][ C0] __crash_kexec+0x85/0x1f0 [ 27.285516][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.290517][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.295351][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.300697][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.305959][ C0] ? find_next_bit+0x105/0x130 [ 27.310710][ C0] ? cpumask_next+0x1f/0x30 [ 27.315189][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.320193][ C0] ? panic+0x2cf/0x6e1 [ 27.324235][ C0] ? add_taint.cold+0x16/0x16 [ 27.329160][ C0] ? printk+0xba/0xed [ 27.333154][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 27.338599][ C0] ? __warn.cold+0x14/0x30 [ 27.342993][ C0] ? __warn+0xd5/0x1c8 [ 27.347041][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.352511][ C0] ? __warn.cold+0x2f/0x30 [ 27.356903][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.361646][ C0] ? report_bug+0x27b/0x2f0 [ 27.366122][ C0] ? do_error_trap+0x12b/0x1e0 [ 27.370859][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.375599][ C0] ? do_invalid_op+0x32/0x40 [ 27.380165][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.384906][ C0] ? invalid_op+0x23/0x30 [ 27.389211][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.394209][ C0] ? __crash_kexec+0x79/0x1f0 [ 27.398860][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.403598][ C0] ? __crash_kexec+0x85/0x1f0 [ 27.408267][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.413286][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.418119][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.423470][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.428726][ C0] ? find_next_bit+0x105/0x130 [ 27.433465][ C0] ? cpumask_next+0x1f/0x30 [ 27.437942][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.442940][ C0] ? panic+0x2cf/0x6e1 [ 27.446990][ C0] ? add_taint.cold+0x16/0x16 [ 27.452084][ C0] ? print_shadow_for_address+0xb8/0x114 [ 27.457692][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 27.463223][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 27.469439][ C0] ? end_report+0x43/0x49 [ 27.473744][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 27.479165][ C0] ? __kasan_report.cold+0x55/0x7f [ 27.484289][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 27.490279][ C0] ? kasan_report+0xe/0x20 [ 27.494763][ C0] ? check_memory_region+0x152/0x1c0 [ 27.500100][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 27.505474][ C0] ? hid_process_event+0x4a0/0x580 [ 27.510565][ C0] ? hid_field_extract+0xe4/0x170 [ 27.515580][ C0] ? mf_play.cold+0x99/0x99 [ 27.520160][ C0] ? kmalloc_order_trace+0xe4/0x110 [ 27.525350][ C0] ? hid_report_raw_event+0xabb/0xed0 [ 27.530722][ C0] ? hid_input_report+0x315/0x3f0 [ 27.535738][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 27.541274][ C0] ? hid_irq_in+0x50e/0x690 [ 27.545757][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 27.556250][ C0] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 27.561869][ C0] ? usb_hcd_giveback_urb+0x368/0x420 [ 27.567227][ C0] ? dummy_timer+0x123d/0x2fdb [ 27.571984][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.576902][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.582532][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.587807][ C0] ? call_timer_fn+0x179/0x650 [ 27.592583][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.597511][ C0] ? msleep_interruptible+0x130/0x130 [ 27.602863][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.608385][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.613659][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 27.618842][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.623757][ C0] ? run_timer_softirq+0x5e3/0x1490 [ 27.628932][ C0] ? add_timer+0x7a0/0x7a0 [ 27.633348][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.638879][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.644162][ C0] ? __do_softirq+0x221/0x912 [ 27.648836][ C0] ? irq_exit+0x178/0x1a0 [ 27.653159][ C0] ? smp_apic_timer_interrupt+0x12f/0x500 [ 27.658856][ C0] ? apic_timer_interrupt+0xf/0x20 [ 27.663942][ C0] </IRQ> [ 27.667120][ C0] ? default_idle+0x28/0x2e0 [ 27.671685][ C0] ? default_idle+0x1a/0x2e0 [ 27.676250][ C0] ? do_idle+0x3c3/0x4e0 [ 27.680490][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.685521][ C0] ? schedule+0xe1/0x2b0 [ 27.689743][ C0] ? cpu_startup_entry+0x14/0x20 [ 27.694660][ C0] ? start_kernel+0x8b1/0x8eb [ 27.699319][ C0] ? mem_encrypt_init+0x5/0x5 [ 27.703973][ C0] ? x86_family+0x3d/0x50 [ 27.708300][ C0] ? load_ucode_bsp+0x23d/0x27d [ 27.713134][ C0] ? secondary_startup_64+0xb6/0xc0 [ 27.718833][ C0] irq event stamp: 126967 [ 27.723251][ C0] hardirqs last enabled at (126966): [<ffffffff857b4aff>] _raw_spin_unlock_irq+0x1f/0x30 [ 27.733130][ C0] hardirqs last disabled at (126967): [<ffffffff857b492f>] _raw_spin_lock_irqsave+0xf/0x50 [ 27.743098][ C0] softirqs last enabled at (126962): [<ffffffff8115a986>] irq_enter+0xb6/0xd0 [ 27.752004][ C0] softirqs last disabled at (126963): [<ffffffff8115ab18>] irq_exit+0x178/0x1a0 [ 27.760994][ C0] ---[ end trace 06ed5421950ff607 ]--- [ 27.766458][ C0] ------------[ cut here ]------------ [ 27.771911][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:737 mutex_unlock+0x17/0x30 [ 27.780812][ C0] Modules linked in: [ 27.784711][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B W 5.5.0-rc2-syzkaller #0 [ 27.793983][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.804049][ C0] RIP: 0010:mutex_unlock+0x17/0x30 [ 27.809135][ C0] Code: 89 ff e8 7c 05 ed fb e9 b8 fb ff ff 0f 1f 80 00 00 00 00 65 8b 05 e1 8d 87 7a a9 00 ff 1f 00 75 09 48 8b 34 24 e9 89 f9 ff ff <0f> 0b 48 8b 34 24 e9 7e f9 ff ff 0f 1f 40 00 66 2e 0f 1f 84 00 00 [ 27.828729][ C0] RSP: 0018:ffff8881db209140 EFLAGS: 00010006 [ 27.834774][ C0] RAX: 0000000080000103 RBX: 1ffff1103b641229 RCX: ffffffff813693b0 [ 27.842733][ C0] RDX: 0000000000000100 RSI: ffffffff8136940d RDI: ffffffff86f1f920 [ 27.850799][ C0] RBP: 0000000000000001 R08: ffffffff86e2c200 R09: 0000000000000001 [ 27.858748][ C0] R10: fffffbfff0f4f9d0 R11: ffffffff87a7ce87 R12: 0000000000000000 [ 27.866699][ C0] R13: ffffffff85c53f0a R14: ffffffff857a8b00 R15: 000000000000058b [ 27.874663][ C0] FS: 0000000000000000(0000) GS:ffff8881db200000(0000) knlGS:0000000000000000 [ 27.883589][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.890184][ C0] CR2: 00007ff93008b000 CR3: 00000001d37e6000 CR4: 00000000001406f0 [ 27.898141][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.906104][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.914050][ C0] Call Trace: [ 27.917324][ C0] <IRQ> [ 27.920162][ C0] __crash_kexec+0xf9/0x1f0 [ 27.925087][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.930097][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.934933][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.940303][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.946106][ C0] ? find_next_bit+0x105/0x130 [ 27.950851][ C0] ? cpumask_next+0x1f/0x30 [ 27.955332][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.960346][ C0] ? panic+0x2cf/0x6e1 [ 27.964406][ C0] ? add_taint.cold+0x16/0x16 [ 27.972549][ C0] ? printk+0xba/0xed [ 27.976506][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 27.981951][ C0] ? __warn.cold+0x14/0x30 [ 27.986340][ C0] ? __warn+0xd5/0x1c8 [ 27.990406][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.995141][ C0] ? __warn.cold+0x2f/0x30 [ 27.999530][ C0] ? mutex_trylock+0x26d/0x2e0 [ 28.004274][ C0] ? report_bug+0x27b/0x2f0 [ 28.008753][ C0] ? do_error_trap+0x12b/0x1e0 [ 28.013499][ C0] ? mutex_trylock+0x26d/0x2e0 [ 28.018242][ C0] ? do_invalid_op+0x32/0x40 [ 28.022900][ C0] ? mutex_trylock+0x26d/0x2e0 [ 28.027655][ C0] ? invalid_op+0x23/0x30 [ 28.031991][ C0] ? printk_safe_flush+0xd9/0x120 [ 28.037004][ C0] ? __crash_kexec+0x79/0x1f0 [ 28.041665][ C0] ? mutex_trylock+0x26d/0x2e0 [ 28.046405][ C0] ? __crash_kexec+0x85/0x1f0 [ 28.051058][ C0] ? kexec_crash_loaded+0x20/0x20 [ 28.056143][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 28.060984][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 28.066349][ C0] ? __printk_safe_flush+0x300/0x390 [ 28.071637][ C0] ? find_next_bit+0x105/0x130 [ 28.076389][ C0] ? cpumask_next+0x1f/0x30 [ 28.080869][ C0] ? printk_safe_flush+0xd9/0x120 [ 28.085880][ C0] ? panic+0x2cf/0x6e1 [ 28.089937][ C0] ? add_taint.cold+0x16/0x16 [ 28.094605][ C0] ? print_shadow_for_address+0xb8/0x114 [ 28.100230][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 28.105317][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 28.110668][ C0] ? end_report+0x43/0x49 [ 28.114985][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 28.120350][ C0] ? __kasan_report.cold+0x55/0x7f [ 28.125451][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 28.130810][ C0] ? kasan_report+0xe/0x20 [ 28.135215][ C0] ? check_memory_region+0x152/0x1c0 [ 28.140474][ C0] ? hidinput_hid_event+0x1111/0x15d3 [ 28.145834][ C0] ? hid_process_event+0x4a0/0x580 [ 28.150934][ C0] ? hid_field_extract+0xe4/0x170 [ 28.156079][ C0] ? mf_play.cold+0x99/0x99 [ 28.160570][ C0] ? kmalloc_order_trace+0xe4/0x110 [ 28.165756][ C0] ? hid_report_raw_event+0xabb/0xed0 [ 28.171126][ C0] ? hid_input_report+0x315/0x3f0 [ 28.176132][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 28.181660][ C0] ? hid_irq_in+0x50e/0x690 [ 28.186147][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 28.191882][ C0] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 28.197760][ C0] ? usb_hcd_giveback_urb+0x368/0x420 [ 28.203299][ C0] ? dummy_timer+0x123d/0x2fdb [ 28.208317][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.213254][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.218788][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.224064][ C0] ? call_timer_fn+0x179/0x650 [ 28.228880][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.233936][ C0] ? msleep_interruptible+0x130/0x130 [ 28.239471][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.245027][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.250309][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 28.255528][ C0] ? dummy_udc_probe+0x930/0x930 [ 28.260552][ C0] ? run_timer_softirq+0x5e3/0x1490 [ 28.266376][ C0] ? add_timer+0x7a0/0x7a0 [ 28.270790][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 28.276421][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 28.281771][ C0] ? __do_softirq+0x221/0x912 [ 28.286448][ C0] ? irq_exit+0x178/0x1a0 [ 28.290753][ C0] ? smp_apic_timer_interrupt+0x12f/0x500 [ 28.296459][ C0] ? apic_timer_interrupt+0xf/0x20 [ 28.301541][ C0] </IRQ> [ 28.304460][ C0] ? default_idle+0x28/0x2e0 [ 28.309206][ C0] ? default_idle+0x1a/0x2e0 [ 28.313772][ C0] ? do_idle+0x3c3/0x4e0 [ 28.317996][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 28.323000][ C0] ? schedule+0xe1/0x2b0 [ 28.327320][ C0] ? cpu_startup_entry+0x14/0x20 [ 28.332243][ C0] ? start_kernel+0x8b1/0x8eb [ 28.336910][ C0] ? mem_encrypt_init+0x5/0x5 [ 28.341583][ C0] ? x86_family+0x3d/0x50 [ 28.345900][ C0] ? load_ucode_bsp+0x23d/0x27d [ 28.350924][ C0] ? secondary_startup_64+0xb6/0xc0 [ 28.356095][ C0] irq event stamp: 126967 [ 28.360400][ C0] hardirqs last enabled at (126966): [<ffffffff857b4aff>] _raw_spin_unlock_irq+0x1f/0x30 [ 28.370261][ C0] hardirqs last disabled at (126967): [<ffffffff857b492f>] _raw_spin_lock_irqsave+0xf/0x50 [ 28.380212][ C0] softirqs last enabled at (126962): [<ffffffff8115a986>] irq_enter+0xb6/0xd0 [ 28.389147][ C0] softirqs last disabled at (126963): [<ffffffff8115ab18>] irq_exit+0x178/0x1a0 [ 28.398163][ C0] ---[ end trace 06ed5421950ff608 ]--- [ 28.404336][ C0] Kernel Offset: disabled [ 28.408731][ C0] Rebooting in 86400 seconds..