[ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ 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 '10.128.0.201' (ECDSA) to the list of known hosts. syzkaller login: [ 55.624011][ T7062] IPVS: ftp: loaded support on port[0] = 21 [ 55.709063][ T7062] chnl_net:caif_netlink_parms(): no params data found [ 55.763066][ T7062] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.770691][ T7062] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.779824][ T7062] device bridge_slave_0 entered promiscuous mode [ 55.789557][ T7062] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.797161][ T7062] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.805694][ T7062] device bridge_slave_1 entered promiscuous mode [ 55.825776][ T7062] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.837413][ T7062] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.859624][ T7062] team0: Port device team_slave_0 added [ 55.867000][ T7062] team0: Port device team_slave_1 added [ 55.884864][ T7062] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 55.891812][ T7062] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.918609][ T7062] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 55.931380][ T7062] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 55.938865][ T7062] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 55.965302][ T7062] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 56.038227][ T7062] device hsr_slave_0 entered promiscuous mode [ 56.085082][ T7062] device hsr_slave_1 entered promiscuous mode [ 56.208721][ T7062] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.268210][ T7062] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.317272][ T7062] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.357814][ T7062] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.429264][ T7062] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.436421][ T7062] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.444028][ T7062] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.451159][ T7062] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.499387][ T7062] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.512400][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.524130][ T2746] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.532374][ T2746] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.543691][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 56.557856][ T7062] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.569583][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.578342][ T2746] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.585463][ T2746] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.607525][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.617215][ T2746] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.624369][ T2746] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.633181][ T2746] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.642950][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.654709][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.667112][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.680492][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.702501][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 56.710824][ T2727] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 56.726031][ T7062] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 56.745074][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 56.753656][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 56.774751][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 56.783308][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 56.792545][ T7062] device veth0_vlan entered promiscuous mode [ 56.807855][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 56.815861][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 56.828644][ T7062] device veth1_vlan entered promiscuous mode [ 56.850195][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 56.859482][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 56.868159][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 56.877162][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 56.888596][ T7062] device veth0_macvtap entered promiscuous mode [ 56.899291][ T7062] device veth1_macvtap entered promiscuous mode [ 56.916406][ T7062] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 56.923799][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 56.933555][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 56.942089][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 56.950907][ T2744] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 56.965422][ T7062] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 56.973502][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 56.983183][ T2754] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 57.434945][ T2752] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 57.694357][ T2752] usb 1-1: Using ep0 maxpacket: 32 [ 57.824358][ T2752] usb 1-1: config 0 interface 0 altsetting 0 has 0 endpoint descriptors, different from the interface descriptor's value: 1 [ 58.014391][ T2752] usb 1-1: New USB device found, idVendor=17e9, idProduct=3f57, bcdDevice= 6.02 [ 58.023450][ T2752] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 58.031927][ T2752] usb 1-1: Product: syz [ 58.036288][ T2752] usb 1-1: Manufacturer: syz [ 58.040891][ T2752] usb 1-1: SerialNumber: syz [ 58.050781][ T2752] usb 1-1: config 0 descriptor?? [ 58.369736][ T2752] ================================================================== [ 58.369740][ T2752] BUG: KASAN: slab-out-of-bounds in hex_string+0x439/0x4c0 [ 58.369744][ T2752] Read of size 1 at addr ffff8880a6b1c75b by task kworker/0:12/2752 [ 58.369745][ T2752] [ 58.369749][ T2752] CPU: 0 PID: 2752 Comm: kworker/0:12 Not tainted 5.7.0-rc6-syzkaller #0 [ 58.369753][ T2752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.369755][ T2752] Workqueue: usb_hub_wq hub_event [ 58.369758][ T2752] Call Trace: [ 58.369760][ T2752] dump_stack+0x188/0x20d [ 58.369762][ T2752] print_address_description.constprop.0.cold+0xd3/0x413 [ 58.369765][ T2752] ? update_sd_lb_stats.constprop.0+0x2680/0x2680 [ 58.369767][ T2752] ? vprintk_func+0x81/0x17e [ 58.369769][ T2752] ? hex_string+0x439/0x4c0 [ 58.369771][ T2752] __kasan_report.cold+0x20/0x38 [ 58.369773][ T2752] ? hex_string+0x439/0x4c0 [ 58.369775][ T2752] ? hex_string+0x439/0x4c0 [ 58.369777][ T2752] kasan_report+0x33/0x50 [ 58.369778][ T2752] hex_string+0x439/0x4c0 [ 58.369780][ T2752] ? check_pointer+0x210/0x210 [ 58.369782][ T2752] ? number+0x82a/0xb00 [ 58.369784][ T2752] ? check_irq_usage+0x165/0xbe0 [ 58.369786][ T2752] pointer+0x346/0x7c0 [ 58.369788][ T2752] ? file_dentry_name+0x120/0x120 [ 58.369790][ T2752] ? check_usage_forwards+0x4e0/0x4e0 [ 58.369792][ T2752] ? __bfs+0x76/0x520 [ 58.369794][ T2752] vsnprintf+0x5ac/0x14f0 [ 58.369796][ T2752] ? pointer+0x7c0/0x7c0 [ 58.369798][ T2752] ? __pv_queued_spin_lock_slowpath+0x23f/0xb60 [ 58.369800][ T2752] ? set_precision+0x170/0x170 [ 58.369802][ T2752] va_format.isra.0+0x129/0x1b0 [ 58.369804][ T2752] ? vsnprintf+0x14f0/0x14f0 [ 58.369806][ T2752] ? string_nocheck+0x1a9/0x220 [ 58.369808][ T2752] ? widen_string+0x2a0/0x2a0 [ 58.369810][ T2752] pointer+0x534/0x7c0 [ 58.369812][ T2752] ? file_dentry_name+0x120/0x120 [ 58.369814][ T2752] ? hex_string+0x4c0/0x4c0 [ 58.369816][ T2752] vsnprintf+0x5ac/0x14f0 [ 58.369818][ T2752] ? pointer+0x7c0/0x7c0 [ 58.369820][ T2752] ? lock_release+0x800/0x800 [ 58.369821][ T2752] vscnprintf+0x29/0x80 [ 58.369823][ T2752] vprintk_store+0x40/0x4b0 [ 58.369825][ T2752] vprintk_emit+0x139/0x730 [ 58.369827][ T2752] dev_vprintk_emit+0x4fc/0x541 [ 58.369829][ T2752] ? dev_attr_show.cold+0x3a/0x3a [ 58.369831][ T2752] ? device_add+0x132d/0x1c10 [ 58.369833][ T2752] ? dev_vprintk_emit+0x329/0x541 [ 58.369836][ T2752] ? __device_attach_driver+0x1c2/0x220 [ 58.369838][ T2752] ? bus_for_each_drv+0x162/0x1e0 [ 58.369840][ T2752] ? __device_attach+0x21a/0x360 [ 58.369842][ T2752] ? bus_probe_device+0x1e4/0x290 [ 58.369844][ T2752] ? device_add+0x132d/0x1c10 [ 58.369846][ T2752] ? usb_new_device.cold+0x701/0xfcf [ 58.369848][ T2752] ? hub_event+0x1eca/0x38f0 [ 58.369850][ T2752] ? process_one_work+0x965/0x16a0 [ 58.369852][ T2752] ? worker_thread+0x96/0xe20 [ 58.369854][ T2752] ? kthread+0x388/0x470 [ 58.369856][ T2752] ? ret_from_fork+0x24/0x30 [ 58.369858][ T2752] ? lock_downgrade+0x840/0x840 [ 58.369860][ T2752] ? mark_lock+0x12b/0xf10 [ 58.369862][ T2752] dev_printk_emit+0xba/0xf1 [ 58.369864][ T2752] ? dev_vprintk_emit+0x541/0x541 [ 58.369865][ T2752] ? kfree+0x1eb/0x2b0 [ 58.369867][ T2752] __dev_printk+0x1db/0x203 [ 58.369869][ T2752] _dev_info+0xd7/0x109 [ 58.369871][ T2752] ? _dev_notice+0x109/0x109 [ 58.369874][ T2752] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 58.369876][ T2752] ? usb_get_descriptor+0xcd/0x1b0 [ 58.369878][ T2752] ? usb_get_descriptor+0x13d/0x1b0 [ 58.369880][ T2752] ? __usb_get_extra_descriptor+0x15d/0x1a0 [ 58.369883][ T2752] dlfb_usb_probe.cold+0x103c/0x1cae [ 58.369885][ T2752] ? mark_held_locks+0x9f/0xe0 [ 58.369887][ T2752] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.369889][ T2752] ? lockdep_hardirqs_on+0x463/0x620 [ 58.369892][ T2752] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 58.369894][ T2752] ? __pm_runtime_set_status+0x5d5/0xa10 [ 58.369896][ T2752] ? dlfb_ops_open+0x280/0x280 [ 58.369898][ T2752] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 58.369901][ T2752] ? __pm_runtime_resume+0x111/0x170 [ 58.369903][ T2752] usb_probe_interface+0x305/0x7a0 [ 58.369905][ T2752] ? usb_probe_device+0x1f0/0x1f0 [ 58.369907][ T2752] really_probe+0x281/0x6d0 [ 58.369909][ T2752] driver_probe_device+0x104/0x210 [ 58.369911][ T2752] __device_attach_driver+0x1c2/0x220 [ 58.369913][ T2752] ? driver_allows_async_probing+0x170/0x170 [ 58.369916][ T2752] bus_for_each_drv+0x162/0x1e0 [ 58.369918][ T2752] ? bus_rescan_devices+0x20/0x20 [ 58.369920][ T2752] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.369922][ T2752] ? lockdep_hardirqs_on+0x463/0x620 [ 58.369925][ T2752] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 58.369927][ T2752] __device_attach+0x21a/0x360 [ 58.369929][ T2752] ? device_bind_driver+0xd0/0xd0 [ 58.369931][ T2752] bus_probe_device+0x1e4/0x290 [ 58.369933][ T2752] device_add+0x132d/0x1c10 [ 58.369935][ T2752] ? wait_for_completion+0x270/0x270 [ 58.369937][ T2752] ? uevent_show+0x360/0x360 [ 58.369939][ T2752] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.369941][ T2752] usb_set_configuration+0xec5/0x1740 [ 58.369943][ T2752] usb_generic_driver_probe+0x9d/0xe0 [ 58.369945][ T2752] usb_probe_device+0xc6/0x1f0 [ 58.369947][ T2752] ? usb_suspend+0x630/0x630 [ 58.369949][ T2752] really_probe+0x281/0x6d0 [ 58.369951][ T2752] driver_probe_device+0x104/0x210 [ 58.369954][ T2752] __device_attach_driver+0x1c2/0x220 [ 58.369956][ T2752] ? driver_allows_async_probing+0x170/0x170 [ 58.369958][ T2752] bus_for_each_drv+0x162/0x1e0 [ 58.369960][ T2752] ? bus_rescan_devices+0x20/0x20 [ 58.369962][ T2752] ? _raw_spin_unlock_irqrestore+0x62/0xe0 [ 58.369965][ T2752] ? lockdep_hardirqs_on+0x463/0x620 [ 58.369967][ T2752] ? _raw_spin_unlock_irqrestore+0x9b/0xe0 [ 58.369969][ T2752] __device_attach+0x21a/0x360 [ 58.369971][ T2752] ? device_bind_driver+0xd0/0xd0 [ 58.369973][ T2752] bus_probe_device+0x1e4/0x290 [ 58.369975][ T2752] device_add+0x132d/0x1c10 [ 58.369977][ T2752] ? uevent_show+0x360/0x360 [ 58.369979][ T2752] ? usb_cache_string+0xcd/0x110 [ 58.369981][ T2752] ? lockdep_hardirqs_on+0x463/0x620 [ 58.369983][ T2752] usb_new_device.cold+0x701/0xfcf [ 58.369985][ T2752] ? hub_disconnect+0x4a0/0x4a0 [ 58.369987][ T2752] ? mark_held_locks+0x9f/0xe0 [ 58.369989][ T2752] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.369991][ T2752] hub_event+0x1eca/0x38f0 [ 58.369993][ T2752] ? hub_port_debounce+0x260/0x260 [ 58.369996][ T2752] ? perf_trace_workqueue_execute_end+0x201/0x420 [ 58.369998][ T2752] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 58.370001][ T2752] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 58.370003][ T2752] ? _raw_spin_unlock_irq+0x1f/0x80 [ 58.370005][ T2752] process_one_work+0x965/0x16a0 [ 58.370007][ T2752] ? lock_release+0x800/0x800 [ 58.370009][ T2752] ? pwq_dec_nr_in_flight+0x310/0x310 [ 58.370011][ T2752] ? rwlock_bug.part.0+0x90/0x90 [ 58.370013][ T2752] worker_thread+0x96/0xe20 [ 58.370015][ T2752] ? process_one_work+0x16a0/0x16a0 [ 58.370017][ T2752] kthread+0x388/0x470 [ 58.370019][ T2752] ? kthread_mod_delayed_work+0x1a0/0x1a0 [ 58.370021][ T2752] ret_from_fork+0x24/0x30 [ 58.370023][ T2752] [ 58.370025][ T2752] Allocated by task 2752: [ 58.370026][ T2752] save_stack+0x1b/0x40 [ 58.370029][ T2752] __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 58.370031][ T2752] __kmalloc+0x161/0x7a0 [ 58.370041][ T2752] usb_get_configuration+0x311/0x3890 [ 58.370043][ T2752] usb_new_device+0x387/0x670 [ 58.370045][ T2752] hub_event+0x1eca/0x38f0 [ 58.370047][ T2752] process_one_work+0x965/0x16a0 [ 58.370049][ T2752] worker_thread+0x96/0xe20 [ 58.370050][ T2752] kthread+0x388/0x470 [ 58.370052][ T2752] ret_from_fork+0x24/0x30 [ 58.370054][ T2752] [ 58.370055][ T2752] Freed by task 1: [ 58.370057][ T2752] save_stack+0x1b/0x40 [ 58.370059][ T2752] __kasan_slab_free+0xf7/0x140 [ 58.370061][ T2752] kfree+0x109/0x2b0 [ 58.370063][ T2752] tomoyo_path_perm+0x236/0x400 [ 58.370065][ T2752] security_inode_getattr+0xeb/0x150 [ 58.370067][ T2752] vfs_getattr+0x22/0x60 [ 58.370069][ T2752] vfs_statx+0x142/0x1e0 [ 58.370071][ T2752] __do_sys_newlstat+0x96/0x120 [ 58.370073][ T2752] do_syscall_64+0xf6/0x7d0 [ 58.370075][ T2752] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 58.370077][ T2752] [ 58.370080][ T2752] The buggy address belongs to the object at ffff8880a6b1c740 [ 58.370082][ T2752] which belongs to the cache kmalloc-32 of size 32 [ 58.370085][ T2752] The buggy address is located 27 bytes inside of [ 58.370088][ T2752] 32-byte region [ffff8880a6b1c740, ffff8880a6b1c760) [ 58.370090][ T2752] The buggy address belongs to the page: [ 58.370095][ T2752] page:ffffea00029ac700 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880a6b1cfc1 [ 58.370097][ T2752] flags: 0xfffe0000000200(slab) [ 58.370100][ T2752] raw: 00fffe0000000200 ffffea000299e848 ffffea000299ec48 ffff8880aa0001c0 [ 58.370104][ T2752] raw: ffff8880a6b1cfc1 ffff8880a6b1c000 000000010000003d 0000000000000000 [ 58.370106][ T2752] page dumped because: kasan: bad access detected [ 58.370108][ T2752] [ 58.370110][ T2752] Memory state around the buggy address: [ 58.370114][ T2752] ffff8880a6b1c600: 00 00 fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 58.370117][ T2752] ffff8880a6b1c680: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 58.370120][ T2752] >ffff8880a6b1c700: fb fb fb fb fc fc fc fc 00 00 00 03 fc fc fc fc [ 58.370123][ T2752] ^ [ 58.370126][ T2752] ffff8880a6b1c780: fb fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc [ 58.370130][ T2752] ffff8880a6b1c800: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc [ 58.370133][ T2752] ================================================================== [ 58.370136][ T2752] Disabling lock debugging due to kernel taint [ 58.370138][ T2752] Kernel panic - not syncing: panic_on_warn set ... [ 58.370142][ T2752] CPU: 0 PID: 2752 Comm: kworker/0:12 Tainted: G B 5.7.0-rc6-syzkaller #0 [ 58.370146][ T2752] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 58.370148][ T2752] Workqueue: usb_hub_wq hub_event [ 58.370151][ T2752] Call Trace: [ 58.370153][ T2752] dump_stack+0x188/0x20d [ 58.370155][ T2752] panic+0x2e3/0x75c [ 58.370157][ T2752] ? add_taint.cold+0x16/0x16 [ 58.370159][ T2752] ? trace_hardirqs_off+0x50/0x220 [ 58.370161][ T2752] ? hex_string+0x439/0x4c0 [ 58.370162][ T2752] end_report+0x4d/0x53 [ 58.370164][ T2752] __kasan_report.cold+0xd/0x38 [ 58.370166][ T2752] ? hex_string+0x439/0x4c0 [ 58.370168][ T2752] ? hex_string+0x439/0x4c0 [ 58.370170][ T2752] kasan_report+0x33/0x50 [ 58.370172][ T2752] hex_string+0x439/0x4c0 [ 58.370174][ T2752] ? check_pointer+0x210/0x210 [ 58.370176][ T2752] ? number+0x82a/0xb00 [ 58.370178][ T2752] ? check_irq_usage+0x165/0xbe0 [ 58.370180][ T2752] pointer+0x346/0x7c0 [ 58.370182][ T2752] ? file_dentry_name+0x120/0x120 [ 58.370184][ T2752] ? check_usage_forwards+0x4e0/0x4e0 [ 58.370186][ T2752] ? __bfs+0x76/0x520 [ 58.370187][ T2752] vsnprintf+0x5ac/0x14f0 [ 58.370189][ T2752] ? pointer+0x7c0/0x7c0 [ 58.370192][ T2752] ? __pv_queued_spin_lock_slowpath+0x23f/0xb60 [ 58.370194][ T2752] ? set_precision+0x170/0x170 [ 58.370196][ T2752] va_format.isra.0+0x129/0x1b0 [ 58.370198][ T2752] ? vsnprintf+0x14f0/0x14f0 [ 58.370200][ T2752] ? string_nocheck+0x1a9/0x220 [ 58.370202][ T2752] ? widen_string+0x2a0/0x2a0 [ 58.370203][ T2752] pointer+0x534/0x7c0 [ 58.370206][ T2752] ? file_dentry_name+0x120/0x120 [ 58.370208][ T2752] ? hex_string+0x4c0/0x4c0 [ 58.370209][ T2752] vsnprintf+0x5ac/0x14f0 [ 58.370211][ T2752] ? pointer+0x7c0/0x7c0 [ 58.370213][ T2752] ? lock_release+0x800/0x800 [ 58.370215][ T2752] vscnprintf+0x29/0x80 [ 58.370217][ T2752] vprintk_store+0x40/0x4b0 [ 58.370219][ T2752] vprintk_emit+0x139/0x730 [ 58.370221][ T2752] dev_vprintk_emit+0x4fc/0x541 [ 58.370223][ T2752] ? dev_attr_show.cold+0x3a/0x3a [ 58.370225][ T2752] ? device_add+0x132d/0x1c10 [ 58.370227][ T2752] ? dev_vprintk_emit+0x329/0x541 [ 58.370229][ T2752] ? __device_attach_driver+0x1c2/0x220 [ 58.370231][ T2752] ? bus_for_each_drv+0x162/0x1e0 [ 58.370233][ T2752] ? __device_attach+0x21a/0x360 [ 58.370236][ T2752] ? bus_probe_device+0x1e4/0x290 [ 58.370237][ T2752] ? device_add+0x132d/0x1c10 [ 58.370240][ T2752] ? usb_new_device.cold+0x701/0xfcf [ 58.370242][ T2752] ? hub_event+0x1eca/0x38f0 [ 58.370244][ T2752] ? process_one_work+0x965/0x16a0 [ 58.370246][ T2752] ? worker_thread+0x96/0xe20 [ 58.370248][ T2752] ? kthread+0x388/0x470 [ 58.370250][ T2752] ? ret_from_fork+0x24/0x30 [ 58.370252][ T2752] ? lock_downgrade+0x840/0x840 [ 58.370253][ T2752] ? mark_lock+0x12b/0xf10 [ 58.370255][ T2752] dev_printk_emit+0xba/0xf1 [ 58.370258][ T2752] ? dev_vprintk_emit+0x541/0x541 [ 58.370259][ T2752] ? kfree+0x1eb/0x2b0 [ 58.370261][ T2752] __dev_printk+0x1db/0x203 [ 58.370263][ T2752] _dev_info+0xd7/0x109 [ 58.370265][ T2752] ? _dev_notice+0x109/0x109 [ 58.370267][ T2752] ? __kasan_kmalloc.constprop.0+0xbf/0xd0 [ 58.370269][ T2752] ? usb_get_descriptor+0xcd/0x1b0 [ 58.370272][ T2752] ? usb_get_descriptor+0x13d/0x1b0 [ 58.370273][ T2752] ? __usb_get_extra_descript [ 58.370277][ T2752] Lost 67 message(s)!