[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[ 14.952681][ C1] random: crng init done [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.76' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.578088][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 24.818046][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 24.938184][ T12] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 24.949515][ T12] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 [ 24.962979][ T12] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 24.972392][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.981860][ T12] usb 1-1: config 0 descriptor?? [ 25.463712][ T12] input: HID 045e:07da as /devices/platform/dummy_hcd.0/usb1/1-1/1-1:0.0/0003:045E:07DA.0001/input/input5 [ 25.540790][ T12] microsoft 0003:045E:07DA.0001: input,hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.0-1/input0 [ 25.668370][ C0] ================================================================== [ 25.676585][ C0] BUG: KASAN: slab-out-of-bounds in hid_field_extract+0x150/0x170 [ 25.684367][ C0] Read of size 1 at addr ffff8881cf50f000 by task swapper/0/0 [ 25.691809][ C0] [ 25.694119][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.4.0-syzkaller #0 [ 25.701632][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.712198][ C0] Call Trace: [ 25.715459][ C0] [ 25.718292][ C0] dump_stack+0xef/0x16e [ 25.722512][ C0] ? hid_field_extract+0x150/0x170 [ 25.727675][ C0] ? hid_field_extract+0x150/0x170 [ 25.732788][ C0] print_address_description.constprop.0+0x36/0x50 [ 25.739335][ C0] ? hid_field_extract+0x150/0x170 [ 25.744531][ C0] ? hid_field_extract+0x150/0x170 [ 25.749623][ C0] __kasan_report.cold+0x1a/0x33 [ 25.754535][ C0] ? hid_field_extract+0x150/0x170 [ 25.759625][ C0] kasan_report+0xe/0x20 [ 25.763853][ C0] hid_field_extract+0x150/0x170 [ 25.768776][ C0] hid_report_raw_event+0x448/0xed0 [ 25.773955][ C0] hid_input_report+0x315/0x3f0 [ 25.778780][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 25.784303][ C0] hid_irq_in+0x50e/0x690 [ 25.788610][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 25.794217][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 25.799572][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 25.804744][ C0] dummy_timer+0x123d/0x2fdb [ 25.809309][ C0] ? dummy_udc_probe+0x930/0x930 [ 25.814227][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.820455][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.825715][ C0] call_timer_fn+0x179/0x650 [ 25.830279][ C0] ? dummy_udc_probe+0x930/0x930 [ 25.835193][ C0] ? msleep_interruptible+0x130/0x130 [ 25.840538][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.846056][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.851315][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 25.856508][ C0] ? dummy_udc_probe+0x930/0x930 [ 25.861420][ C0] run_timer_softirq+0x5e3/0x1490 [ 25.866428][ C0] ? add_timer+0x7a0/0x7a0 [ 25.870832][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 25.876364][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 25.881642][ C0] __do_softirq+0x221/0x912 [ 25.886130][ C0] irq_exit+0x178/0x1a0 [ 25.890268][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 25.895799][ C0] apic_timer_interrupt+0xf/0x20 [ 25.900715][ C0] [ 25.903632][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 25.908809][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 1c e6 89 7a 41 54 55 53 0f 1f 44 00 00 e8 76 ed cb fb e9 07 00 00 00 0f 00 2d 2a 6c 4a 00 fb f4 <65> 44 8b 2d f8 e5 89 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 25.928404][ C0] RSP: 0018:ffffffff86c07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 25.936802][ C0] RAX: 0000000000000007 RBX: ffffffff86c2b240 RCX: 0000000000000000 [ 25.944749][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86c2ba8c [ 25.952696][ C0] RBP: fffffbfff0d85648 R08: ffffffff86c2b240 R09: 0000000000000000 [ 25.960663][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.968617][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.976587][ C0] ? default_idle+0x1a/0x2e0 [ 25.981154][ C0] do_idle+0x3c3/0x4e0 [ 25.985206][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 25.990203][ C0] ? schedule+0xe1/0x2b0 [ 25.994418][ C0] cpu_startup_entry+0x14/0x20 [ 25.999158][ C0] start_kernel+0x82a/0x864 [ 26.003636][ C0] ? mem_encrypt_init+0x5/0x5 [ 26.008290][ C0] ? x86_family+0x3d/0x50 [ 26.012594][ C0] ? load_ucode_bsp+0x23d/0x27d [ 26.017429][ C0] secondary_startup_64+0xa4/0xb0 [ 26.022424][ C0] [ 26.024728][ C0] Allocated by task 12: [ 26.028870][ C0] save_stack+0x1b/0x80 [ 26.033008][ C0] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 26.038614][ C0] hcd_buffer_alloc+0x1ed/0x290 [ 26.043436][ C0] usb_alloc_coherent+0x5d/0x80 [ 26.048281][ C0] usbhid_start+0x60b/0x22f0 [ 26.052853][ C0] hid_hw_start+0x5d/0x130 [ 26.057243][ C0] ms_probe+0x159/0x4d0 [ 26.061372][ C0] hid_device_probe+0x2be/0x3f0 [ 26.066292][ C0] really_probe+0x281/0x6d0 [ 26.070776][ C0] driver_probe_device+0x104/0x210 [ 26.075861][ C0] __device_attach_driver+0x1c2/0x220 [ 26.081214][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.086042][ C0] __device_attach+0x217/0x360 [ 26.090778][ C0] bus_probe_device+0x1e4/0x290 [ 26.095614][ C0] device_add+0x1480/0x1c20 [ 26.100095][ C0] hid_add_device+0x33c/0x9a0 [ 26.104746][ C0] usbhid_probe+0xa81/0xfa0 [ 26.109234][ C0] usb_probe_interface+0x305/0x7a0 [ 26.114319][ C0] really_probe+0x281/0x6d0 [ 26.118798][ C0] driver_probe_device+0x104/0x210 [ 26.123883][ C0] __device_attach_driver+0x1c2/0x220 [ 26.129246][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.134158][ C0] __device_attach+0x217/0x360 [ 26.138900][ C0] bus_probe_device+0x1e4/0x290 [ 26.143735][ C0] device_add+0x1480/0x1c20 [ 26.148224][ C0] usb_set_configuration+0xe67/0x1740 [ 26.153571][ C0] generic_probe+0x9d/0xd5 [ 26.157977][ C0] usb_probe_device+0x99/0x100 [ 26.162715][ C0] really_probe+0x281/0x6d0 [ 26.167203][ C0] driver_probe_device+0x104/0x210 [ 26.172287][ C0] __device_attach_driver+0x1c2/0x220 [ 26.177631][ C0] bus_for_each_drv+0x162/0x1e0 [ 26.182459][ C0] __device_attach+0x217/0x360 [ 26.187200][ C0] bus_probe_device+0x1e4/0x290 [ 26.192067][ C0] device_add+0x1480/0x1c20 [ 26.196545][ C0] usb_new_device.cold+0x6a4/0xe79 [ 26.201629][ C0] hub_event+0x1e59/0x3860 [ 26.206118][ C0] process_one_work+0x92b/0x1530 [ 26.211031][ C0] worker_thread+0x96/0xe20 [ 26.215537][ C0] kthread+0x318/0x420 [ 26.219629][ C0] ret_from_fork+0x24/0x30 [ 26.224056][ C0] [ 26.226374][ C0] Freed by task 238: [ 26.230273][ C0] save_stack+0x1b/0x80 [ 26.234422][ C0] __kasan_slab_free+0x130/0x180 [ 26.239344][ C0] kfree+0xdc/0x310 [ 26.243396][ C0] uevent_show+0x2b9/0x360 [ 26.247785][ C0] dev_attr_show+0x4b/0x90 [ 26.252176][ C0] sysfs_kf_seq_show+0x1f8/0x410 [ 26.257086][ C0] seq_read+0x4b9/0x10f0 [ 26.261302][ C0] kernfs_fop_read+0xe9/0x560 [ 26.265964][ C0] __vfs_read+0x76/0x100 [ 26.270179][ C0] vfs_read+0x1ea/0x430 [ 26.274308][ C0] ksys_read+0x127/0x250 [ 26.278546][ C0] do_syscall_64+0xb7/0x5b0 [ 26.283041][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 26.288914][ C0] [ 26.291219][ C0] The buggy address belongs to the object at ffff8881cf50e000 [ 26.291219][ C0] which belongs to the cache kmalloc-4k of size 4096 [ 26.305244][ C0] The buggy address is located 0 bytes to the right of [ 26.305244][ C0] 4096-byte region [ffff8881cf50e000, ffff8881cf50f000) [ 26.318927][ C0] The buggy address belongs to the page: [ 26.324533][ C0] page:ffffea00073d4200 refcount:1 mapcount:0 mapping:ffff8881da40c280 index:0x0 compound_mapcount: 0 [ 26.335448][ C0] raw: 0200000000010200 dead000000000100 dead000000000122 ffff8881da40c280 [ 26.344016][ C0] raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 [ 26.352686][ C0] page dumped because: kasan: bad access detected [ 26.363318][ C0] [ 26.366047][ C0] Memory state around the buggy address: [ 26.371981][ C0] ffff8881cf50ef00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.381235][ C0] ffff8881cf50ef80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 26.389570][ C0] >ffff8881cf50f000: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.398125][ C0] ^ [ 26.402213][ C0] ffff8881cf50f080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.410552][ C0] ffff8881cf50f100: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 26.418630][ C0] ================================================================== [ 26.426694][ C0] Disabling lock debugging due to kernel taint [ 26.432828][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 26.439425][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.4.0-syzkaller #0 [ 26.448366][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.458421][ C0] Call Trace: [ 26.461688][ C0] [ 26.464532][ C0] dump_stack+0xef/0x16e [ 26.468806][ C0] panic+0x2aa/0x6e1 [ 26.472703][ C0] ? add_taint.cold+0x16/0x16 [ 26.477382][ C0] ? print_shadow_for_address+0xb8/0x114 [ 26.482998][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 26.488092][ C0] ? hid_field_extract+0x150/0x170 [ 26.493185][ C0] end_report+0x43/0x49 [ 26.497320][ C0] ? hid_field_extract+0x150/0x170 [ 26.502407][ C0] __kasan_report.cold+0xd/0x33 [ 26.507243][ C0] ? hid_field_extract+0x150/0x170 [ 26.512350][ C0] kasan_report+0xe/0x20 [ 26.516569][ C0] hid_field_extract+0x150/0x170 [ 26.521497][ C0] hid_report_raw_event+0x448/0xed0 [ 26.526767][ C0] hid_input_report+0x315/0x3f0 [ 26.531592][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 26.537129][ C0] hid_irq_in+0x50e/0x690 [ 26.541442][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 26.547441][ C0] __usb_hcd_giveback_urb+0x1f2/0x470 [ 26.552836][ C0] usb_hcd_giveback_urb+0x368/0x420 [ 26.558152][ C0] dummy_timer+0x123d/0x2fdb [ 26.562818][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.567835][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.573366][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.578628][ C0] call_timer_fn+0x179/0x650 [ 26.583215][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.588146][ C0] ? msleep_interruptible+0x130/0x130 [ 26.593516][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.599062][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.604331][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 26.609546][ C0] ? dummy_udc_probe+0x930/0x930 [ 26.614481][ C0] run_timer_softirq+0x5e3/0x1490 [ 26.619515][ C0] ? add_timer+0x7a0/0x7a0 [ 26.623926][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 26.629460][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 26.634900][ C0] __do_softirq+0x221/0x912 [ 26.639425][ C0] irq_exit+0x178/0x1a0 [ 26.643575][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 26.649093][ C0] apic_timer_interrupt+0xf/0x20 [ 26.654003][ C0] [ 26.656920][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 26.662269][ C0] Code: cc cc 41 56 41 55 65 44 8b 2d 1c e6 89 7a 41 54 55 53 0f 1f 44 00 00 e8 76 ed cb fb e9 07 00 00 00 0f 00 2d 2a 6c 4a 00 fb f4 <65> 44 8b 2d f8 e5 89 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 26.681935][ C0] RSP: 0018:ffffffff86c07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 26.692095][ C0] RAX: 0000000000000007 RBX: ffffffff86c2b240 RCX: 0000000000000000 [ 26.700393][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86c2ba8c [ 26.708551][ C0] RBP: fffffbfff0d85648 R08: ffffffff86c2b240 R09: 0000000000000000 [ 26.716627][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 26.726239][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 26.734250][ C0] ? default_idle+0x1a/0x2e0 [ 26.738844][ C0] do_idle+0x3c3/0x4e0 [ 26.742988][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 26.748026][ C0] ? schedule+0xe1/0x2b0 [ 26.752257][ C0] cpu_startup_entry+0x14/0x20 [ 26.757113][ C0] start_kernel+0x82a/0x864 [ 26.761609][ C0] ? mem_encrypt_init+0x5/0x5 [ 26.766309][ C0] ? x86_family+0x3d/0x50 [ 26.770923][ C0] ? load_ucode_bsp+0x23d/0x27d [ 26.775756][ C0] secondary_startup_64+0xa4/0xb0 [ 26.780778][ C0] ------------[ cut here ]------------ [ 26.786251][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 26.795415][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 26.801988][ C0] ------------[ cut here ]------------ [ 26.807438][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:1419 mutex_trylock+0x26d/0x2e0 [ 26.816614][ C0] Modules linked in: [ 26.820516][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.4.0-syzkaller #0 [ 26.829442][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.839484][ C0] RIP: 0010:mutex_trylock+0x26d/0x2e0 [ 26.844832][ C0] Code: c9 31 c9 41 b8 01 00 00 00 ba 01 00 00 00 31 f6 e8 68 a0 ae 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 e0 3c 0e 89 48 89 14 24 e8 fc 3e ef [ 26.864409][ C0] RSP: 0018:ffff8881db409198 EFLAGS: 00010006 [ 26.870450][ C0] RAX: 0000000080000103 RBX: ffffffff86d1e8a0 RCX: ffffffff8128e949 [ 26.878412][ C0] RDX: 0000000000000004 RSI: ffffffff81361b09 RDI: ffffffff86d1e8a0 [ 26.886359][ C0] RBP: ffff8881db409410 R08: 0000000000000002 R09: fffffbfff0d9ee4d [ 26.894306][ C0] R10: fffffbfff0d9ee4c R11: ffffffff86cf7263 R12: ffffffff890e3ce0 [ 26.902253][ C0] R13: ffffffff85c53e0a R14: ffffffff85772200 R15: 000000000000058b [ 26.910307][ C0] FS: 0000000000000000(0000) GS:ffff8881db400000(0000) knlGS:0000000000000000 [ 26.919254][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.925819][ C0] CR2: 0000000000782fd0 CR3: 00000001cfcfa000 CR4: 00000000001406f0 [ 26.933787][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.941734][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.949697][ C0] Call Trace: [ 26.953093][ C0] [ 26.955931][ C0] ? irq_work_claim+0xa6/0xc0 [ 26.960589][ C0] ? mutex_trylock+0x250/0x2e0 [ 26.965345][ C0] __crash_kexec+0x85/0x1f0 [ 26.969852][ C0] ? kexec_crash_loaded+0x20/0x20 [ 26.974979][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 26.979829][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 26.985182][ C0] ? __printk_safe_flush+0x300/0x390 [ 26.990451][ C0] ? find_next_bit+0x105/0x130 [ 26.995206][ C0] ? cpumask_next+0x1f/0x30 [ 26.999683][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.005028][ C0] ? panic+0x2cf/0x6e1 [ 27.009068][ C0] ? add_taint.cold+0x16/0x16 [ 27.013730][ C0] ? printk+0xba/0xed [ 27.017686][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 27.023117][ C0] ? __warn.cold+0x14/0x30 [ 27.027520][ C0] ? __warn+0xd5/0x1c8 [ 27.031563][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.036337][ C0] ? __warn.cold+0x2f/0x30 [ 27.040764][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.045512][ C0] ? report_bug+0x27b/0x2f0 [ 27.050010][ C0] ? do_error_trap+0x12b/0x1e0 [ 27.054839][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.060118][ C0] ? do_invalid_op+0x32/0x40 [ 27.065122][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.069861][ C0] ? invalid_op+0x23/0x30 [ 27.074165][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.079165][ C0] ? __crash_kexec+0x79/0x1f0 [ 27.083816][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.088554][ C0] ? __crash_kexec+0x85/0x1f0 [ 27.093233][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.098248][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.103076][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.108441][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.113730][ C0] ? find_next_bit+0x105/0x130 [ 27.118645][ C0] ? cpumask_next+0x1f/0x30 [ 27.123132][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.128363][ C0] ? panic+0x2cf/0x6e1 [ 27.132443][ C0] ? add_taint.cold+0x16/0x16 [ 27.137134][ C0] ? print_shadow_for_address+0xb8/0x114 [ 27.142765][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 27.147870][ C0] ? hid_field_extract+0x150/0x170 [ 27.152974][ C0] ? end_report+0x43/0x49 [ 27.157300][ C0] ? hid_field_extract+0x150/0x170 [ 27.162394][ C0] ? __kasan_report.cold+0xd/0x33 [ 27.167390][ C0] ? hid_field_extract+0x150/0x170 [ 27.172599][ C0] ? kasan_report+0xe/0x20 [ 27.176992][ C0] ? hid_field_extract+0x150/0x170 [ 27.182120][ C0] ? hid_report_raw_event+0x448/0xed0 [ 27.187466][ C0] ? hid_input_report+0x315/0x3f0 [ 27.192463][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 27.198028][ C0] ? hid_irq_in+0x50e/0x690 [ 27.202505][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 27.208153][ C0] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 27.213709][ C0] ? usb_hcd_giveback_urb+0x368/0x420 [ 27.219081][ C0] ? dummy_timer+0x123d/0x2fdb [ 27.223822][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.228852][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.234737][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.240117][ C0] ? call_timer_fn+0x179/0x650 [ 27.244867][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.249779][ C0] ? msleep_interruptible+0x130/0x130 [ 27.255129][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.260647][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.265905][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 27.271098][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.276040][ C0] ? run_timer_softirq+0x5e3/0x1490 [ 27.281280][ C0] ? add_timer+0x7a0/0x7a0 [ 27.285684][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.291281][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.296587][ C0] ? __do_softirq+0x221/0x912 [ 27.301341][ C0] ? irq_exit+0x178/0x1a0 [ 27.305653][ C0] ? smp_apic_timer_interrupt+0x12f/0x500 [ 27.311466][ C0] ? apic_timer_interrupt+0xf/0x20 [ 27.316827][ C0] [ 27.319755][ C0] ? default_idle+0x28/0x2e0 [ 27.324319][ C0] ? default_idle+0x1a/0x2e0 [ 27.328971][ C0] ? do_idle+0x3c3/0x4e0 [ 27.333186][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.338184][ C0] ? schedule+0xe1/0x2b0 [ 27.342403][ C0] ? cpu_startup_entry+0x14/0x20 [ 27.347320][ C0] ? start_kernel+0x82a/0x864 [ 27.351982][ C0] ? mem_encrypt_init+0x5/0x5 [ 27.356820][ C0] ? x86_family+0x3d/0x50 [ 27.361134][ C0] ? load_ucode_bsp+0x23d/0x27d [ 27.365963][ C0] ? secondary_startup_64+0xa4/0xb0 [ 27.371147][ C0] irq event stamp: 116491 [ 27.375465][ C0] hardirqs last enabled at (116490): [] _raw_spin_unlock_irq+0x1f/0x30 [ 27.385429][ C0] hardirqs last disabled at (116491): [] _raw_spin_lock_irqsave+0xf/0x50 [ 27.395386][ C0] softirqs last enabled at (116486): [] irq_enter+0xb6/0xd0 [ 27.404396][ C0] softirqs last disabled at (116487): [] irq_exit+0x178/0x1a0 [ 27.413563][ C0] ---[ end trace 25484ef487ced38b ]--- [ 27.419037][ C0] ------------[ cut here ]------------ [ 27.424491][ C0] WARNING: CPU: 0 PID: 0 at kernel/locking/mutex.c:737 mutex_unlock+0x17/0x30 [ 27.433313][ C0] Modules linked in: [ 27.437212][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B W 5.4.0-syzkaller #0 [ 27.446153][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.456460][ C0] RIP: 0010:mutex_unlock+0x17/0x30 [ 27.461708][ C0] Code: 89 ff e8 1c 4a ef fb e9 b8 fb ff ff 0f 1f 80 00 00 00 00 65 8b 05 91 f7 8a 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 [ 27.481423][ C0] RSP: 0018:ffff8881db4091d0 EFLAGS: 00010006 [ 27.487482][ C0] RAX: 0000000080000103 RBX: 1ffff1103b68123b RCX: ffffffff81361b20 [ 27.495429][ C0] RDX: 0000000000000100 RSI: ffffffff81361b7d RDI: ffffffff86d1e8a0 [ 27.503385][ C0] RBP: 0000000000000001 R08: ffffffff86c2b240 R09: 0000000000000001 [ 27.511349][ C0] R10: fffffbfff0f0e7c0 R11: ffffffff87873e07 R12: 0000000000000000 [ 27.519294][ C0] R13: ffffffff85c53e0a R14: ffffffff85772200 R15: 000000000000058b [ 27.527381][ C0] FS: 0000000000000000(0000) GS:ffff8881db400000(0000) knlGS:0000000000000000 [ 27.536293][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.542854][ C0] CR2: 0000000000782fd0 CR3: 00000001cfcfa000 CR4: 00000000001406f0 [ 27.550813][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.558760][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.566735][ C0] Call Trace: [ 27.570169][ C0] [ 27.573185][ C0] __crash_kexec+0xf9/0x1f0 [ 27.577675][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.582684][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.587512][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.592857][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.598117][ C0] ? find_next_bit+0x105/0x130 [ 27.602868][ C0] ? cpumask_next+0x1f/0x30 [ 27.607344][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.612626][ C0] ? panic+0x2cf/0x6e1 [ 27.616693][ C0] ? add_taint.cold+0x16/0x16 [ 27.621373][ C0] ? printk+0xba/0xed [ 27.625358][ C0] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 27.630932][ C0] ? __warn.cold+0x14/0x30 [ 27.635331][ C0] ? __warn+0xd5/0x1c8 [ 27.639377][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.644165][ C0] ? __warn.cold+0x2f/0x30 [ 27.648594][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.653332][ C0] ? report_bug+0x27b/0x2f0 [ 27.657821][ C0] ? do_error_trap+0x12b/0x1e0 [ 27.662560][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.667306][ C0] ? do_invalid_op+0x32/0x40 [ 27.671873][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.676697][ C0] ? invalid_op+0x23/0x30 [ 27.681016][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.686012][ C0] ? __crash_kexec+0x79/0x1f0 [ 27.690675][ C0] ? mutex_trylock+0x26d/0x2e0 [ 27.695553][ C0] ? __crash_kexec+0x85/0x1f0 [ 27.700347][ C0] ? kexec_crash_loaded+0x20/0x20 [ 27.705407][ C0] ? lock_downgrade+0x6e0/0x6e0 [ 27.710247][ C0] ? _raw_spin_lock_irqsave+0x3a/0x50 [ 27.715595][ C0] ? __printk_safe_flush+0x300/0x390 [ 27.720873][ C0] ? find_next_bit+0x105/0x130 [ 27.725611][ C0] ? cpumask_next+0x1f/0x30 [ 27.730099][ C0] ? printk_safe_flush+0xd9/0x120 [ 27.735096][ C0] ? panic+0x2cf/0x6e1 [ 27.739138][ C0] ? add_taint.cold+0x16/0x16 [ 27.743791][ C0] ? print_shadow_for_address+0xb8/0x114 [ 27.749676][ C0] ? trace_hardirqs_off+0x50/0x1d0 [ 27.754843][ C0] ? hid_field_extract+0x150/0x170 [ 27.767463][ C0] ? end_report+0x43/0x49 [ 27.771775][ C0] ? hid_field_extract+0x150/0x170 [ 27.776881][ C0] ? __kasan_report.cold+0xd/0x33 [ 27.781884][ C0] ? hid_field_extract+0x150/0x170 [ 27.786975][ C0] ? kasan_report+0xe/0x20 [ 27.791373][ C0] ? hid_field_extract+0x150/0x170 [ 27.796467][ C0] ? hid_report_raw_event+0x448/0xed0 [ 27.801913][ C0] ? hid_input_report+0x315/0x3f0 [ 27.806910][ C0] ? ktime_get_mono_fast_ns+0x163/0x1f0 [ 27.812716][ C0] ? hid_irq_in+0x50e/0x690 [ 27.817194][ C0] ? led_trigger_blink_oneshot+0xb4/0xe0 [ 27.822810][ C0] ? __usb_hcd_giveback_urb+0x1f2/0x470 [ 27.828331][ C0] ? usb_hcd_giveback_urb+0x368/0x420 [ 27.833676][ C0] ? dummy_timer+0x123d/0x2fdb [ 27.838414][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.843343][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.848883][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.854582][ C0] ? call_timer_fn+0x179/0x650 [ 27.859329][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.864329][ C0] ? msleep_interruptible+0x130/0x130 [ 27.870667][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.880626][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.885906][ C0] ? _raw_spin_unlock_irq+0x1f/0x30 [ 27.891078][ C0] ? dummy_udc_probe+0x930/0x930 [ 27.895989][ C0] ? run_timer_softirq+0x5e3/0x1490 [ 27.901163][ C0] ? add_timer+0x7a0/0x7a0 [ 27.906686][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 27.912218][ C0] ? rcu_read_lock_bh_held+0xb0/0xb0 [ 27.917526][ C0] ? __do_softirq+0x221/0x912 [ 27.922195][ C0] ? irq_exit+0x178/0x1a0 [ 27.926595][ C0] ? smp_apic_timer_interrupt+0x12f/0x500 [ 27.932301][ C0] ? apic_timer_interrupt+0xf/0x20 [ 27.938565][ C0] [ 27.943417][ C0] ? default_idle+0x28/0x2e0 [ 27.948195][ C0] ? default_idle+0x1a/0x2e0 [ 27.952912][ C0] ? do_idle+0x3c3/0x4e0 [ 27.957306][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 27.962303][ C0] ? schedule+0xe1/0x2b0 [ 27.966531][ C0] ? cpu_startup_entry+0x14/0x20 [ 27.971443][ C0] ? start_kernel+0x82a/0x864 [ 27.976092][ C0] ? mem_encrypt_init+0x5/0x5 [ 27.980743][ C0] ? x86_family+0x3d/0x50 [ 27.985056][ C0] ? load_ucode_bsp+0x23d/0x27d [ 27.989887][ C0] ? secondary_startup_64+0xa4/0xb0 [ 27.996443][ C0] irq event stamp: 116491 [ 28.000847][ C0] hardirqs last enabled at (116490): [] _raw_spin_unlock_irq+0x1f/0x30 [ 28.013972][ C0] hardirqs last disabled at (116491): [] _raw_spin_lock_irqsave+0xf/0x50 [ 28.026203][ C0] softirqs last enabled at (116486): [] irq_enter+0xb6/0xd0 [ 28.035118][ C0] softirqs last disabled at (116487): [] irq_exit+0x178/0x1a0 [ 28.044108][ C0] ---[ end trace 25484ef487ced38c ]--- [ 28.050307][ C0] Kernel Offset: disabled [ 28.054647][ C0] Rebooting in 86400 seconds..