[ 40.578491][ T3099] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.647230][ T3099] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.678267][ T3099] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 40.801100][ T3099] bridge_slave_1: left allmulticast mode [ 40.801119][ T3099] bridge_slave_1: left promiscuous mode [ 40.801199][ T3099] bridge0: port 2(bridge_slave_1) entered disabled state [ 40.805076][ T3099] bridge_slave_0: left allmulticast mode [ 40.805093][ T3099] bridge_slave_0: left promiscuous mode [ 40.805190][ T3099] bridge0: port 1(bridge_slave_0) entered disabled state [ 40.858861][ T3099] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 40.885059][ T3099] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 40.926140][ T3099] bond0 (unregistering): Released all slaves [ 41.040963][ T4399] 8021q: adding VLAN 0 to HW filter on device eth0 [ 41.149685][ T3099] hsr_slave_0: left promiscuous mode [ 41.149929][ T3099] hsr_slave_1: left promiscuous mode [ 41.150196][ T3099] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 41.150207][ T3099] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 41.150972][ T3099] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 41.150981][ T3099] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 41.153703][ T3099] veth1_macvtap: left promiscuous mode [ 41.153730][ T3099] veth0_macvtap: left promiscuous mode [ 41.153776][ T3099] veth1_vlan: left promiscuous mode [ 41.153808][ T3099] veth0_vlan: left promiscuous mode [ 41.254472][ T3099] team0 (unregistering): Port device team_slave_1 removed [ 41.258037][ T3099] team0 (unregistering): Port device team_slave_0 removed [ 41.299523][ T4399] 8021q: adding VLAN 0 to HW filter on device eth1 [ 41.420725][ T4399] 8021q: adding VLAN 0 to HW filter on device eth2 [ 41.535513][ T4399] 8021q: adding VLAN 0 to HW filter on device eth3 Warning: Permanently added '10.128.10.2' (ED25519) to the list of known hosts. 1970/01/01 00:00:46 parsed 1 programs 1970/01/01 00:00:46 serving rpc on tcp://43787 Setting up swapspace version 1, size = 127995904 bytes [ 47.553386][ T5037] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SS [ 50.332041][ T4783] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.332574][ T4783] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.332747][ T4783] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.333066][ T4783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.333264][ T4783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.706110][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state [ 50.706168][ T5074] bridge0: port 1(bridge_slave_0) entered disabled state [ 50.706215][ T5074] bridge_slave_0: entered allmulticast mode [ 50.706614][ T5074] bridge_slave_0: entered promiscuous mode [ 50.709201][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state [ 50.709224][ T5074] bridge0: port 2(bridge_slave_1) entered disabled state [ 50.709270][ T5074] bridge_slave_1: entered allmulticast mode [ 50.709684][ T5074] bridge_slave_1: entered promiscuous mode [ 50.722694][ T5074] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 50.723531][ T5074] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 50.729826][ T5074] team0: Port device team_slave_0 added [ 50.730494][ T5074] team0: Port device team_slave_1 added [ 50.735895][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 50.735904][ T5074] 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 1532 would solve the problem. [ 50.735926][ T5074] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 50.736395][ T5074] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 50.736402][ T5074] 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 1532 would solve the problem. [ 50.736416][ T5074] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 50.746577][ T5074] hsr_slave_0: entered promiscuous mode [ 50.746840][ T5074] hsr_slave_1: entered promiscuous mode [ 51.111658][ T5074] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 51.116319][ T5074] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 51.116750][ T5074] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 51.117664][ T5074] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 51.117963][ T5074] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 51.118756][ T5074] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 51.119051][ T5074] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 51.120276][ T5074] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 51.132350][ T5074] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.132388][ T5074] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.132461][ T5074] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.132489][ T5074] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.147837][ T5074] 8021q: adding VLAN 0 to HW filter on device bond0 [ 51.152373][ T3099] bridge0: port 1(bridge_slave_0) entered disabled state [ 51.152732][ T3099] bridge0: port 2(bridge_slave_1) entered disabled state [ 51.157410][ T5074] 8021q: adding VLAN 0 to HW filter on device team0 [ 51.163399][ T3099] bridge0: port 1(bridge_slave_0) entered blocking state [ 51.163430][ T3099] bridge0: port 1(bridge_slave_0) entered forwarding state [ 51.163735][ T3099] bridge0: port 2(bridge_slave_1) entered blocking state [ 51.163756][ T3099] bridge0: port 2(bridge_slave_1) entered forwarding state [ 51.177314][ T5074] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 51.271664][ T5074] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 51.291255][ T5074] veth0_vlan: entered promiscuous mode [ 51.293349][ T5074] veth1_vlan: entered promiscuous mode [ 51.302342][ T5074] veth0_macvtap: entered promiscuous mode [ 51.305888][ T5074] veth1_macvtap: entered promiscuous mode [ 51.310818][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 51.313315][ T5074] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 51.335897][ T3099] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.336196][ T3099] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.336214][ T3099] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.336228][ T3099] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 51.417976][ T3099] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.475222][ T3099] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.560006][ T3099] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.635284][ T3099] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 51.942967][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.942981][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 51.953210][ T259] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 51.953224][ T259] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 1970/01/01 00:00:52 executed programs: 0 [ 52.213141][ T4783] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.213436][ T4783] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.213638][ T4783] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.214919][ T4783] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.215128][ T4783] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.349878][ T5256] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.349954][ T5256] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.350048][ T5256] bridge_slave_0: entered allmulticast mode [ 52.350561][ T5256] bridge_slave_0: entered promiscuous mode [ 52.355220][ T5256] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.355249][ T5256] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.355341][ T5256] bridge_slave_1: entered allmulticast mode [ 52.355761][ T5256] bridge_slave_1: entered promiscuous mode [ 52.362647][ T5256] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.363527][ T5256] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.372726][ T5256] team0: Port device team_slave_0 added [ 52.373504][ T5256] team0: Port device team_slave_1 added [ 52.380294][ T5256] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.380304][ T5256] 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 1532 would solve the problem. [ 52.380317][ T5256] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.380814][ T5256] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.380821][ T5256] 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 1532 would solve the problem. [ 52.380834][ T5256] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.390256][ T5256] hsr_slave_0: entered promiscuous mode [ 52.390546][ T5256] hsr_slave_1: entered promiscuous mode [ 52.390731][ T5256] debugfs: 'hsr0' already exists in 'hsr' [ 52.390741][ T5256] Cannot create hsr debugfs directory [ 54.254317][ T50] Bluetooth: hci0: command tx timeout [ 54.767356][ T3099] bridge_slave_1: left allmulticast mode [ 54.767376][ T3099] bridge_slave_1: left promiscuous mode [ 54.767469][ T3099] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.769314][ T3099] bridge_slave_0: left allmulticast mode [ 54.769325][ T3099] bridge_slave_0: left promiscuous mode [ 54.769387][ T3099] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.821853][ T3099] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 54.828121][ T3099] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 54.864694][ T3099] bond0 (unregistering): Released all slaves [ 54.906301][ T3099] hsr_slave_0: left promiscuous mode [ 54.906553][ T3099] hsr_slave_1: left promiscuous mode [ 54.906824][ T3099] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 54.906835][ T3099] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 54.907142][ T3099] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 54.907151][ T3099] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 54.909843][ T3099] veth1_macvtap: left promiscuous mode [ 54.909866][ T3099] veth0_macvtap: left promiscuous mode [ 54.909907][ T3099] veth1_vlan: left promiscuous mode [ 54.909946][ T3099] veth0_vlan: left promiscuous mode [ 55.004149][ T3099] team0 (unregistering): Port device team_slave_1 removed [ 55.007802][ T3099] team0 (unregistering): Port device team_slave_0 removed [ 55.060939][ T4399] 8021q: adding VLAN 0 to HW filter on device eth0 [ 55.267528][ T5256] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.269601][ T5256] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 55.269995][ T5256] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.270829][ T5256] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 55.271184][ T5256] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.272027][ T5256] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 55.272341][ T5256] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.273728][ T5256] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 55.315385][ T5256] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.319236][ T5256] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.321543][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.321566][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 55.325371][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.325393][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 55.333780][ T5256] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 55.333796][ T5256] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 55.604884][ T5256] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 55.615992][ T5256] veth0_vlan: entered promiscuous mode [ 55.617777][ T5256] veth1_vlan: entered promiscuous mode [ 55.625067][ T5256] veth0_macvtap: entered promiscuous mode [ 55.626062][ T5256] veth1_macvtap: entered promiscuous mode [ 55.629163][ T5256] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 55.630804][ T5256] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 55.677254][ T13] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.677269][ T13] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.683368][ T40] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 55.683380][ T40] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 55.694514][ T40] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.694542][ T40] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.694562][ T40] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.694577][ T40] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 55.707031][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/input/input2 [ 55.709084][ T26] Registered IR keymap rc-rc6-mce [ 55.743937][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 55.744839][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0 [ 55.745300][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0/input3 [ 55.748348][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 55.748356][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 55.748363][ T26] preempt_count: 1, expected: 0 [ 55.748367][ T26] RCU nest depth: 0, expected: 0 [ 55.748371][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 55.748376][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 55.748407][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 55.748425][ T26] #2: ffff0000d083da58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 55.748442][ T26] #3: ffff0000c51bc170 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 55.748463][ T26] irq event stamp: 81950 [ 55.766899][ T26] hardirqs last enabled at (81949): [] kasan_quarantine_put+0xb4/0x1c4 [ 55.768626][ T26] hardirqs last disabled at (81950): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 55.770384][ T26] softirqs last enabled at (81880): [] __alloc_skb+0x1c0/0x610 [ 55.771980][ T26] softirqs last disabled at (81878): [] __alloc_skb+0x1a8/0x610 [ 55.773575][ T26] Preemption disabled at: [ 55.773584][ T26] [] picolcd_set_contrast+0x104/0x290 [ 55.773617][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT [ 55.773627][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 55.773633][ T26] Workqueue: events uhid_device_add_worker [ 55.773643][ T26] Call trace: [ 55.773646][ T26] show_stack+0x2c/0x3c (C) [ 55.773658][ T26] __dump_stack+0x30/0x40 [ 55.773668][ T26] dump_stack_lvl+0xd8/0x12c [ 55.773678][ T26] dump_stack+0x1c/0x28 [ 55.773687][ T26] __might_resched+0x354/0x4c0 [ 55.773696][ T26] __might_sleep+0x84/0xdc [ 55.773704][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 55.773712][ T26] __hid_request+0xac/0x3cc [ 55.773721][ T26] hid_hw_request+0x9c/0xb4 [ 55.773730][ T26] picolcd_set_contrast+0x1b8/0x290 [ 55.773740][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 55.773750][ T26] picolcd_probe+0x8a8/0x1110 [ 55.773759][ T26] hid_device_probe+0x35c/0x61c [ 55.773768][ T26] really_probe+0x29c/0x800 [ 55.773777][ T26] __driver_probe_device+0x1e0/0x350 [ 55.773784][ T26] driver_probe_device+0x6c/0x19c [ 55.773791][ T26] __device_attach_driver+0x198/0x2f8 [ 55.773799][ T26] bus_for_each_drv+0x144/0x1dc [ 55.773809][ T26] __device_attach+0x248/0x390 [ 55.773816][ T26] device_initial_probe+0x90/0xc8 [ 55.773823][ T26] bus_probe_device+0x58/0x120 [ 55.773833][ T26] device_add+0x6cc/0x9e0 [ 55.773841][ T26] hid_add_device+0x254/0x3b8 [ 55.773850][ T26] uhid_device_add_worker+0x4c/0xf8 [ 55.773858][ T26] process_scheduled_works+0x91c/0x1250 [ 55.773867][ T26] worker_thread+0x798/0xbd0 [ 55.773876][ T26] kthread+0x304/0x3d4 [ 55.773883][ T26] ret_from_fork+0x10/0x20 [ 55.781423][ T26] hid-picolcd 0003:04D8:C002.0001: No report with id 0x94 found [ 55.781435][ T26] hid-picolcd 0003:04D8:C002.0001: failed to configure display [ 55.919717][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/input/input4 [ 55.920339][ T26] Registered IR keymap rc-rc6-mce [ 55.953920][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 55.954174][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0 [ 55.954548][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0/input5 [ 55.956004][ T26] hid-picolcd 0003:04D8:C002.0002: No report with id 0x94 found [ 55.956017][ T26] hid-picolcd 0003:04D8:C002.0002: failed to configure display [ 56.093457][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0003/input/input6 [ 56.096499][ T26] Registered IR keymap rc-rc6-mce [ 56.123949][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 56.125083][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0003/rc/rc0 [ 56.126187][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0003/rc/rc0/input7 [ 56.131161][ T26] hid-picolcd 0003:04D8:C002.0003: No report with id 0x94 found [ 56.131173][ T26] hid-picolcd 0003:04D8:C002.0003: failed to configure display [ 56.223783][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0004/input/input8 [ 56.226675][ T26] Registered IR keymap rc-rc6-mce [ 56.263970][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 56.266898][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0004/rc/rc0 [ 56.267378][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0004/rc/rc0/input9 [ 56.268308][ T26] hid-picolcd 0003:04D8:C002.0004: No report with id 0x94 found [ 56.268318][ T26] hid-picolcd 0003:04D8:C002.0004: failed to configure display [ 56.334500][ T50] Bluetooth: hci0: command tx timeout [ 56.432974][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0005/input/input10 [ 56.436876][ T26] Registered IR keymap rc-rc6-mce [ 56.473868][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 56.474115][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0005/rc/rc0 [ 56.474570][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0005/rc/rc0/input11 [ 56.477117][ T26] hid-picolcd 0003:04D8:C002.0005: No report with id 0x94 found [ 56.477130][ T26] hid-picolcd 0003:04D8:C002.0005: failed to configure display [ 56.642662][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0006/input/input12 [ 56.643114][ T26] Registered IR keymap rc-rc6-mce [ 56.674998][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 56.675287][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0006/rc/rc0 [ 56.675646][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0006/rc/rc0/input13 [ 56.676845][ T26] hid-picolcd 0003:04D8:C002.0006: No report with id 0x94 found [ 56.676854][ T26] hid-picolcd 0003:04D8:C002.0006: failed to configure display [ 56.843168][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0007/input/input14 [ 56.843614][ T26] Registered IR keymap rc-rc6-mce [ 56.884289][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 56.884525][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0007/rc/rc0 [ 56.884957][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0007/rc/rc0/input15 [ 56.885720][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 56.885727][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 56.885735][ T26] preempt_count: 1, expected: 0 [ 56.885739][ T26] RCU nest depth: 0, expected: 0 [ 56.885743][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 56.885749][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 56.885780][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 56.885798][ T26] #2: ffff0000d6e91a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 56.885816][ T26] #3: ffff0000d47ec970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 56.885837][ T26] irq event stamp: 102580 [ 56.904077][ T26] hardirqs last enabled at (102579): [] kasan_quarantine_put+0xb4/0x1c4 [ 56.905798][ T26] hardirqs last disabled at (102580): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 56.907495][ T26] softirqs last enabled at (102554): [] __alloc_skb+0x1c0/0x610 [ 56.909083][ T26] softirqs last disabled at (102552): [] __alloc_skb+0x1a8/0x610 [ 56.910693][ T26] Preemption disabled at: [ 56.910697][ T26] [] picolcd_set_contrast+0x104/0x290 [ 56.910720][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 56.910731][ T26] Tainted: [W]=WARN [ 56.910734][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 56.910739][ T26] Workqueue: events uhid_device_add_worker [ 56.910749][ T26] Call trace: [ 56.910751][ T26] show_stack+0x2c/0x3c (C) [ 56.910763][ T26] __dump_stack+0x30/0x40 [ 56.910773][ T26] dump_stack_lvl+0xd8/0x12c [ 56.910783][ T26] dump_stack+0x1c/0x28 [ 56.910792][ T26] __might_resched+0x354/0x4c0 [ 56.910802][ T26] __might_sleep+0x84/0xdc [ 56.910810][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 56.910818][ T26] __hid_request+0xac/0x3cc [ 56.910827][ T26] hid_hw_request+0x9c/0xb4 [ 56.910835][ T26] picolcd_set_contrast+0x1b8/0x290 [ 56.910845][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 56.910855][ T26] picolcd_probe+0x8a8/0x1110 [ 56.910865][ T26] hid_device_probe+0x35c/0x61c [ 56.910874][ T26] really_probe+0x29c/0x800 [ 56.910882][ T26] __driver_probe_device+0x1e0/0x350 [ 56.910889][ T26] driver_probe_device+0x6c/0x19c [ 56.910896][ T26] __device_attach_driver+0x198/0x2f8 [ 56.910904][ T26] bus_for_each_drv+0x144/0x1dc [ 56.910917][ T26] __device_attach+0x248/0x390 [ 56.910925][ T26] device_initial_probe+0x90/0xc8 [ 56.910932][ T26] bus_probe_device+0x58/0x120 [ 56.910942][ T26] device_add+0x6cc/0x9e0 [ 56.910951][ T26] hid_add_device+0x254/0x3b8 [ 56.910960][ T26] uhid_device_add_worker+0x4c/0xf8 [ 56.910968][ T26] process_scheduled_works+0x91c/0x1250 [ 56.910977][ T26] worker_thread+0x798/0xbd0 [ 56.910985][ T26] kthread+0x304/0x3d4 [ 56.910993][ T26] ret_from_fork+0x10/0x20 [ 56.912533][ T26] hid-picolcd 0003:04D8:C002.0007: No report with id 0x94 found [ 56.912543][ T26] hid-picolcd 0003:04D8:C002.0007: failed to configure display [ 57.032486][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0008/input/input16 [ 57.037904][ T26] Registered IR keymap rc-rc6-mce [ 57.073999][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 57.074629][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0008/rc/rc0 [ 57.075105][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0008/rc/rc0/input17 [ 57.078208][ T26] hid-picolcd 0003:04D8:C002.0008: No report with id 0x94 found [ 57.078220][ T26] hid-picolcd 0003:04D8:C002.0008: failed to configure display [ 57.202844][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0009/input/input18 [ 57.205564][ T26] Registered IR keymap rc-rc6-mce 1970/01/01 00:00:57 executed programs: 10 [ 57.243881][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 57.244157][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0009/rc/rc0 [ 57.244523][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0009/rc/rc0/input19 [ 57.246852][ T26] hid-picolcd 0003:04D8:C002.0009: No report with id 0x94 found [ 57.246862][ T26] hid-picolcd 0003:04D8:C002.0009: failed to configure display [ 57.395213][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000A/input/input20 [ 57.395735][ T26] Registered IR keymap rc-rc6-mce [ 57.423877][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 57.424118][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000A/rc/rc0 [ 57.424487][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000A/rc/rc0/input21 [ 57.425944][ T26] hid-picolcd 0003:04D8:C002.000A: No report with id 0x94 found [ 57.425955][ T26] hid-picolcd 0003:04D8:C002.000A: failed to configure display [ 57.547014][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000B/input/input22 [ 57.547757][ T26] Registered IR keymap rc-rc6-mce [ 57.584535][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 57.585758][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000B/rc/rc0 [ 57.586204][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000B/rc/rc0/input23 [ 57.587180][ T26] hid-picolcd 0003:04D8:C002.000B: No report with id 0x94 found [ 57.587189][ T26] hid-picolcd 0003:04D8:C002.000B: failed to configure display [ 57.776137][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000C/input/input24 [ 57.777608][ T4750] Registered IR keymap rc-rc6-mce [ 57.813961][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 57.814859][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000C/rc/rc0 [ 57.816010][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000C/rc/rc0/input25 [ 57.822940][ T4750] hid-picolcd 0003:04D8:C002.000C: No report with id 0x94 found [ 57.822957][ T4750] hid-picolcd 0003:04D8:C002.000C: failed to configure display [ 57.973145][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000D/input/input26 [ 57.975977][ T4750] Registered IR keymap rc-rc6-mce [ 58.014124][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.014924][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000D/rc/rc0 [ 58.015448][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000D/rc/rc0/input27 [ 58.016654][ T4750] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 58.016662][ T4750] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 4750, name: kworker/0:3 [ 58.016669][ T4750] preempt_count: 1, expected: 0 [ 58.016672][ T4750] RCU nest depth: 0, expected: 0 [ 58.016676][ T4750] locks held by kworker/0:3/4750: 4, last CPU#0: [ 58.016682][ T4750] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 58.016710][ T4750] #1: ffff8000984e7c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 58.016729][ T4750] #2: ffff0000ef2f5a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 58.016746][ T4750] #3: ffff0000d62af970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 58.016767][ T4750] irq event stamp: 117564 [ 58.035121][ T4750] hardirqs last enabled at (117563): [] kasan_quarantine_put+0xb4/0x1c4 [ 58.036987][ T4750] hardirqs last disabled at (117564): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 58.038801][ T4750] softirqs last enabled at (117538): [] __alloc_skb+0x1c0/0x610 [ 58.040446][ T4750] softirqs last disabled at (117536): [] __alloc_skb+0x1a8/0x610 [ 58.042056][ T4750] Preemption disabled at: [ 58.042061][ T4750] [] picolcd_set_contrast+0x104/0x290 [ 58.042084][ T4750] CPU: 0 UID: 0 PID: 4750 Comm: kworker/0:3 Tainted: G W syzkaller #0 PREEMPT [ 58.042095][ T4750] Tainted: [W]=WARN [ 58.042098][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 58.042103][ T4750] Workqueue: events uhid_device_add_worker [ 58.042112][ T4750] Call trace: [ 58.042115][ T4750] show_stack+0x2c/0x3c (C) [ 58.042126][ T4750] __dump_stack+0x30/0x40 [ 58.042136][ T4750] dump_stack_lvl+0xd8/0x12c [ 58.042146][ T4750] dump_stack+0x1c/0x28 [ 58.042155][ T4750] __might_resched+0x354/0x4c0 [ 58.042164][ T4750] __might_sleep+0x84/0xdc [ 58.042172][ T4750] __kmalloc_noprof+0xfc/0x6c8 [ 58.042180][ T4750] __hid_request+0xac/0x3cc [ 58.042189][ T4750] hid_hw_request+0x9c/0xb4 [ 58.042198][ T4750] picolcd_set_contrast+0x1b8/0x290 [ 58.042208][ T4750] picolcd_init_lcd+0x1b4/0x2a0 [ 58.042217][ T4750] picolcd_probe+0x8a8/0x1110 [ 58.042227][ T4750] hid_device_probe+0x35c/0x61c [ 58.042236][ T4750] really_probe+0x29c/0x800 [ 58.042243][ T4750] __driver_probe_device+0x1e0/0x350 [ 58.042251][ T4750] driver_probe_device+0x6c/0x19c [ 58.042258][ T4750] __device_attach_driver+0x198/0x2f8 [ 58.042266][ T4750] bus_for_each_drv+0x144/0x1dc [ 58.042275][ T4750] __device_attach+0x248/0x390 [ 58.042282][ T4750] device_initial_probe+0x90/0xc8 [ 58.042289][ T4750] bus_probe_device+0x58/0x120 [ 58.042299][ T4750] device_add+0x6cc/0x9e0 [ 58.042307][ T4750] hid_add_device+0x254/0x3b8 [ 58.042316][ T4750] uhid_device_add_worker+0x4c/0xf8 [ 58.042324][ T4750] process_scheduled_works+0x91c/0x1250 [ 58.042333][ T4750] worker_thread+0x798/0xbd0 [ 58.042341][ T4750] kthread+0x304/0x3d4 [ 58.042349][ T4750] ret_from_fork+0x10/0x20 [ 58.045629][ T4750] hid-picolcd 0003:04D8:C002.000D: No report with id 0x94 found [ 58.045639][ T4750] hid-picolcd 0003:04D8:C002.000D: failed to configure display [ 58.153317][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000E/input/input28 [ 58.156706][ T4750] Registered IR keymap rc-rc6-mce [ 58.183946][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.184211][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000E/rc/rc0 [ 58.185648][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000E/rc/rc0/input29 [ 58.187795][ T4750] hid-picolcd 0003:04D8:C002.000E: No report with id 0x94 found [ 58.187806][ T4750] hid-picolcd 0003:04D8:C002.000E: failed to configure display [ 58.315006][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000F/input/input30 [ 58.316145][ T4750] Registered IR keymap rc-rc6-mce [ 58.343998][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.345128][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000F/rc/rc0 [ 58.346599][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.000F/rc/rc0/input31 [ 58.348447][ T4750] hid-picolcd 0003:04D8:C002.000F: No report with id 0x94 found [ 58.348457][ T4750] hid-picolcd 0003:04D8:C002.000F: failed to configure display [ 58.414187][ T50] Bluetooth: hci0: command tx timeout [ 58.496156][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0010/input/input32 [ 58.497167][ T4750] Registered IR keymap rc-rc6-mce [ 58.533997][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.535341][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0010/rc/rc0 [ 58.536676][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0010/rc/rc0/input33 [ 58.541640][ T4750] hid-picolcd 0003:04D8:C002.0010: No report with id 0x94 found [ 58.541654][ T4750] hid-picolcd 0003:04D8:C002.0010: failed to configure display [ 58.712834][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0011/input/input34 [ 58.713794][ T4750] Registered IR keymap rc-rc6-mce [ 58.753965][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.754207][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0011/rc/rc0 [ 58.754589][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0011/rc/rc0/input35 [ 58.756249][ T4750] hid-picolcd 0003:04D8:C002.0011: No report with id 0x94 found [ 58.756260][ T4750] hid-picolcd 0003:04D8:C002.0011: failed to configure display [ 58.862474][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0012/input/input36 [ 58.862877][ T4750] Registered IR keymap rc-rc6-mce [ 58.893901][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 58.894156][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0012/rc/rc0 [ 58.894652][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0012/rc/rc0/input37 [ 58.896147][ T4750] hid-picolcd 0003:04D8:C002.0012: No report with id 0x94 found [ 58.896157][ T4750] hid-picolcd 0003:04D8:C002.0012: failed to configure display [ 59.014388][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0013/input/input38 [ 59.015278][ T4750] Registered IR keymap rc-rc6-mce [ 59.045723][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available ** replaying previous printk message ** [ 59.045723][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.045998][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0013/rc/rc0 [ 59.046365][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0013/rc/rc0/input39 [ 59.047424][ T4750] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 59.047432][ T4750] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 4750, name: kworker/0:3 [ 59.047440][ T4750] preempt_count: 1, expected: 0 [ 59.047445][ T4750] RCU nest depth: 0, expected: 0 [ 59.047449][ T4750] locks held by kworker/0:3/4750: 4, last CPU#0: [ 59.047456][ T4750] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 59.047486][ T4750] #1: ffff8000984e7c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 59.047504][ T4750] #2: ffff0000cb7f9a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 59.047522][ T4750] #3: ffff0000d33a0170 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 59.047542][ T4750] irq event stamp: 140732 [ 59.067043][ T4750] hardirqs last enabled at (140731): [] kasan_quarantine_put+0xb4/0x1c4 [ 59.068866][ T4750] hardirqs last disabled at (140732): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 59.070688][ T4750] softirqs last enabled at (140706): [] __alloc_skb+0x1c0/0x610 [ 59.072402][ T4750] softirqs last disabled at (140704): [] __alloc_skb+0x1a8/0x610 [ 59.074057][ T4750] Preemption disabled at: [ 59.074066][ T4750] [] picolcd_set_contrast+0x104/0x290 [ 59.074098][ T4750] CPU: 0 UID: 0 PID: 4750 Comm: kworker/0:3 Tainted: G W syzkaller #0 PREEMPT [ 59.074108][ T4750] Tainted: [W]=WARN [ 59.074111][ T4750] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 59.074117][ T4750] Workqueue: events uhid_device_add_worker [ 59.074126][ T4750] Call trace: [ 59.074129][ T4750] show_stack+0x2c/0x3c (C) [ 59.074141][ T4750] __dump_stack+0x30/0x40 [ 59.074151][ T4750] dump_stack_lvl+0xd8/0x12c [ 59.074160][ T4750] dump_stack+0x1c/0x28 [ 59.074170][ T4750] __might_resched+0x354/0x4c0 [ 59.074179][ T4750] __might_sleep+0x84/0xdc [ 59.074187][ T4750] __kmalloc_noprof+0xfc/0x6c8 [ 59.074195][ T4750] __hid_request+0xac/0x3cc [ 59.074204][ T4750] hid_hw_request+0x9c/0xb4 [ 59.074213][ T4750] picolcd_set_contrast+0x1b8/0x290 [ 59.074223][ T4750] picolcd_init_lcd+0x1b4/0x2a0 [ 59.074233][ T4750] picolcd_probe+0x8a8/0x1110 [ 59.074242][ T4750] hid_device_probe+0x35c/0x61c [ 59.074251][ T4750] really_probe+0x29c/0x800 [ 59.074259][ T4750] __driver_probe_device+0x1e0/0x350 [ 59.074266][ T4750] driver_probe_device+0x6c/0x19c [ 59.074273][ T4750] __device_attach_driver+0x198/0x2f8 [ 59.074281][ T4750] bus_for_each_drv+0x144/0x1dc [ 59.074291][ T4750] __device_attach+0x248/0x390 [ 59.074298][ T4750] device_initial_probe+0x90/0xc8 [ 59.074305][ T4750] bus_probe_device+0x58/0x120 [ 59.074314][ T4750] device_add+0x6cc/0x9e0 [ 59.074322][ T4750] hid_add_device+0x254/0x3b8 [ 59.074331][ T4750] uhid_device_add_worker+0x4c/0xf8 [ 59.074339][ T4750] process_scheduled_works+0x91c/0x1250 [ 59.074348][ T4750] worker_thread+0x798/0xbd0 [ 59.074357][ T4750] kthread+0x304/0x3d4 [ 59.074364][ T4750] ret_from_fork+0x10/0x20 [ 59.077958][ T4750] hid-picolcd 0003:04D8:C002.0013: No report with id 0x94 found [ 59.077970][ T4750] hid-picolcd 0003:04D8:C002.0013: failed to configure display [ 59.192347][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0014/input/input40 [ 59.194427][ T4750] Registered IR keymap rc-rc6-mce [ 59.225830][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.226099][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0014/rc/rc0 [ 59.228279][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0014/rc/rc0/input41 [ 59.230870][ T4750] hid-picolcd 0003:04D8:C002.0014: No report with id 0x94 found [ 59.230882][ T4750] hid-picolcd 0003:04D8:C002.0014: failed to configure display [ 59.343605][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0015/input/input42 [ 59.347219][ T4750] Registered IR keymap rc-rc6-mce [ 59.383894][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.384141][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0015/rc/rc0 [ 59.384513][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0015/rc/rc0/input43 [ 59.386058][ T4750] hid-picolcd 0003:04D8:C002.0015: No report with id 0x94 found [ 59.386069][ T4750] hid-picolcd 0003:04D8:C002.0015: failed to configure display [ 59.494768][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0016/input/input44 [ 59.495166][ T4750] Registered IR keymap rc-rc6-mce [ 59.523941][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.526335][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0016/rc/rc0 [ 59.526807][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0016/rc/rc0/input45 [ 59.531307][ T4750] hid-picolcd 0003:04D8:C002.0016: No report with id 0x94 found [ 59.531321][ T4750] hid-picolcd 0003:04D8:C002.0016: failed to configure display [ 59.613781][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0017/input/input46 [ 59.614543][ T4750] Registered IR keymap rc-rc6-mce [ 59.653933][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.655322][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0017/rc/rc0 [ 59.655720][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0017/rc/rc0/input47 [ 59.656736][ T4750] hid-picolcd 0003:04D8:C002.0017: No report with id 0x94 found [ 59.656745][ T4750] hid-picolcd 0003:04D8:C002.0017: failed to configure display [ 59.812600][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0018/input/input48 [ 59.815929][ T4750] Registered IR keymap rc-rc6-mce [ 59.864207][ T4750] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 59.864443][ T4750] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0018/rc/rc0 [ 59.864812][ T4750] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0018/rc/rc0/input49 [ 59.866426][ T4750] hid-picolcd 0003:04D8:C002.0018: No report with id 0x94 found [ 59.866435][ T4750] hid-picolcd 0003:04D8:C002.0018: failed to configure display [ 59.983107][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0019/input/input50 [ 59.983510][ T26] Registered IR keymap rc-rc6-mce [ 60.013956][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.015408][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0019/rc/rc0 [ 60.016149][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0019/rc/rc0/input51 [ 60.018268][ T26] hid-picolcd 0003:04D8:C002.0019: No report with id 0x94 found [ 60.018278][ T26] hid-picolcd 0003:04D8:C002.0019: failed to configure display [ 60.152801][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001A/input/input52 [ 60.153230][ T26] Registered IR keymap rc-rc6-mce [ 60.183945][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.185054][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001A/rc/rc0 [ 60.186516][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001A/rc/rc0/input53 [ 60.188299][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 60.188306][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 60.188313][ T26] preempt_count: 1, expected: 0 [ 60.188316][ T26] RCU nest depth: 0, expected: 0 [ 60.188320][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 60.188326][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 60.188354][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 60.188372][ T26] #2: ffff0000cdd21a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 60.188390][ T26] #3: ffff0000d4a5b970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 60.188411][ T26] irq event stamp: 135358 [ 60.207013][ T26] hardirqs last enabled at (135357): [] kasan_quarantine_put+0xb4/0x1c4 [ 60.208798][ T26] hardirqs last disabled at (135358): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 60.210610][ T26] softirqs last enabled at (135324): [] __alloc_skb+0x1c0/0x610 [ 60.212212][ T26] softirqs last disabled at (135322): [] __alloc_skb+0x1a8/0x610 [ 60.213874][ T26] Preemption disabled at: [ 60.213883][ T26] [] picolcd_set_contrast+0x104/0x290 [ 60.213906][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 60.213920][ T26] Tainted: [W]=WARN [ 60.213923][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 60.213929][ T26] Workqueue: events uhid_device_add_worker [ 60.213940][ T26] Call trace: [ 60.213943][ T26] show_stack+0x2c/0x3c (C) [ 60.213956][ T26] __dump_stack+0x30/0x40 [ 60.213966][ T26] dump_stack_lvl+0xd8/0x12c [ 60.213976][ T26] dump_stack+0x1c/0x28 [ 60.213986][ T26] __might_resched+0x354/0x4c0 [ 60.213995][ T26] __might_sleep+0x84/0xdc [ 60.214003][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 60.214011][ T26] __hid_request+0xac/0x3cc [ 60.214020][ T26] hid_hw_request+0x9c/0xb4 [ 60.214029][ T26] picolcd_set_contrast+0x1b8/0x290 [ 60.214039][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 60.214049][ T26] picolcd_probe+0x8a8/0x1110 [ 60.214058][ T26] hid_device_probe+0x35c/0x61c [ 60.214067][ T26] really_probe+0x29c/0x800 [ 60.214075][ T26] __driver_probe_device+0x1e0/0x350 [ 60.214082][ T26] driver_probe_device+0x6c/0x19c [ 60.214090][ T26] __device_attach_driver+0x198/0x2f8 [ 60.214097][ T26] bus_for_each_drv+0x144/0x1dc [ 60.214107][ T26] __device_attach+0x248/0x390 [ 60.214114][ T26] device_initial_probe+0x90/0xc8 [ 60.214121][ T26] bus_probe_device+0x58/0x120 [ 60.214130][ T26] device_add+0x6cc/0x9e0 [ 60.214138][ T26] hid_add_device+0x254/0x3b8 [ 60.214147][ T26] uhid_device_add_worker+0x4c/0xf8 [ 60.214155][ T26] process_scheduled_works+0x91c/0x1250 [ 60.214164][ T26] worker_thread+0x798/0xbd0 [ 60.214173][ T26] kthread+0x304/0x3d4 [ 60.214180][ T26] ret_from_fork+0x10/0x20 [ 60.215169][ T26] hid-picolcd 0003:04D8:C002.001A: No report with id 0x94 found [ 60.215180][ T26] hid-picolcd 0003:04D8:C002.001A: failed to configure display [ 60.292412][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001B/input/input54 [ 60.292829][ T26] Registered IR keymap rc-rc6-mce [ 60.334108][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.336215][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001B/rc/rc0 [ 60.336608][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001B/rc/rc0/input55 [ 60.339761][ T26] hid-picolcd 0003:04D8:C002.001B: No report with id 0x94 found [ 60.339773][ T26] hid-picolcd 0003:04D8:C002.001B: failed to configure display [ 60.493079][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001C/input/input56 [ 60.494298][ T50] Bluetooth: hci0: command tx timeout [ 60.497388][ T26] Registered IR keymap rc-rc6-mce [ 60.533899][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.534171][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001C/rc/rc0 [ 60.534528][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001C/rc/rc0/input57 [ 60.536243][ T26] hid-picolcd 0003:04D8:C002.001C: No report with id 0x94 found [ 60.536253][ T26] hid-picolcd 0003:04D8:C002.001C: failed to configure display [ 60.663605][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001D/input/input58 [ 60.666029][ T26] Registered IR keymap rc-rc6-mce [ 60.703917][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.704166][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001D/rc/rc0 [ 60.704649][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001D/rc/rc0/input59 [ 60.708517][ T26] hid-picolcd 0003:04D8:C002.001D: No report with id 0x94 found [ 60.708528][ T26] hid-picolcd 0003:04D8:C002.001D: failed to configure display [ 60.844700][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001E/input/input60 [ 60.845849][ T26] Registered IR keymap rc-rc6-mce [ 60.873945][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 60.874965][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001E/rc/rc0 [ 60.875785][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001E/rc/rc0/input61 [ 60.876803][ T26] hid-picolcd 0003:04D8:C002.001E: No report with id 0x94 found [ 60.876812][ T26] hid-picolcd 0003:04D8:C002.001E: failed to configure display [ 61.043612][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001F/input/input62 [ 61.046036][ T10] Registered IR keymap rc-rc6-mce [ 61.083870][ T10] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.085058][ T10] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001F/rc/rc0 [ 61.085523][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.001F/rc/rc0/input63 [ 61.087141][ T10] hid-picolcd 0003:04D8:C002.001F: No report with id 0x94 found [ 61.087152][ T10] hid-picolcd 0003:04D8:C002.001F: failed to configure display [ 61.207207][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0020/input/input64 [ 61.208117][ T26] Registered IR keymap rc-rc6-mce [ 61.243881][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.244791][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0020/rc/rc0 [ 61.245336][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0020/rc/rc0/input65 [ 61.246042][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 61.246049][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 61.246056][ T26] preempt_count: 1, expected: 0 [ 61.246060][ T26] RCU nest depth: 0, expected: 0 [ 61.246064][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 61.246071][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 61.246100][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 61.246119][ T26] #2: ffff0000dd179a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 61.246136][ T26] #3: ffff0000d56d6970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 61.246157][ T26] irq event stamp: 151158 [ 61.263680][ T26] hardirqs last enabled at (151157): [] kasan_quarantine_put+0xb4/0x1c4 [ 61.265353][ T26] hardirqs last disabled at (151158): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 61.267057][ T26] softirqs last enabled at (151132): [] __alloc_skb+0x1c0/0x610 [ 61.268622][ T26] softirqs last disabled at (151130): [] __alloc_skb+0x1a8/0x610 [ 61.270300][ T26] Preemption disabled at: [ 61.270308][ T26] [] picolcd_set_contrast+0x104/0x290 [ 61.270330][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 61.270341][ T26] Tainted: [W]=WARN [ 61.270344][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 61.270349][ T26] Workqueue: events uhid_device_add_worker [ 61.270359][ T26] Call trace: [ 61.270362][ T26] show_stack+0x2c/0x3c (C) [ 61.270374][ T26] __dump_stack+0x30/0x40 [ 61.270384][ T26] dump_stack_lvl+0xd8/0x12c [ 61.270393][ T26] dump_stack+0x1c/0x28 [ 61.270403][ T26] __might_resched+0x354/0x4c0 [ 61.270412][ T26] __might_sleep+0x84/0xdc [ 61.270420][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 61.270428][ T26] __hid_request+0xac/0x3cc [ 61.270437][ T26] hid_hw_request+0x9c/0xb4 [ 61.270446][ T26] picolcd_set_contrast+0x1b8/0x290 [ 61.270456][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 61.270466][ T26] picolcd_probe+0x8a8/0x1110 [ 61.270475][ T26] hid_device_probe+0x35c/0x61c [ 61.270484][ T26] really_probe+0x29c/0x800 [ 61.270492][ T26] __driver_probe_device+0x1e0/0x350 [ 61.270500][ T26] driver_probe_device+0x6c/0x19c [ 61.270507][ T26] __device_attach_driver+0x198/0x2f8 [ 61.270514][ T26] bus_for_each_drv+0x144/0x1dc [ 61.270524][ T26] __device_attach+0x248/0x390 [ 61.270531][ T26] device_initial_probe+0x90/0xc8 [ 61.270538][ T26] bus_probe_device+0x58/0x120 [ 61.270548][ T26] device_add+0x6cc/0x9e0 [ 61.270556][ T26] hid_add_device+0x254/0x3b8 [ 61.270565][ T26] uhid_device_add_worker+0x4c/0xf8 [ 61.270573][ T26] process_scheduled_works+0x91c/0x1250 [ 61.270582][ T26] worker_thread+0x798/0xbd0 [ 61.270590][ T26] kthread+0x304/0x3d4 [ 61.270598][ T26] ret_from_fork+0x10/0x20 [ 61.273806][ T26] hid-picolcd 0003:04D8:C002.0020: No report with id 0x94 found [ 61.273817][ T26] hid-picolcd 0003:04D8:C002.0020: failed to configure display [ 61.405839][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0021/input/input66 [ 61.406585][ T26] Registered IR keymap rc-rc6-mce [ 61.444054][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.444863][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0021/rc/rc0 [ 61.445241][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0021/rc/rc0/input67 [ 61.446862][ T26] hid-picolcd 0003:04D8:C002.0021: No report with id 0x94 found [ 61.446872][ T26] hid-picolcd 0003:04D8:C002.0021: failed to configure display [ 61.583130][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0022/input/input68 [ 61.583541][ T10] Registered IR keymap rc-rc6-mce [ 61.625313][ T10] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.625922][ T10] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0022/rc/rc0 [ 61.626311][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0022/rc/rc0/input69 [ 61.627939][ T10] hid-picolcd 0003:04D8:C002.0022: No report with id 0x94 found [ 61.627950][ T10] hid-picolcd 0003:04D8:C002.0022: failed to configure display [ 61.755199][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0023/input/input70 [ 61.755612][ T10] Registered IR keymap rc-rc6-mce [ 61.793922][ T10] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.794301][ T10] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0023/rc/rc0 [ 61.794697][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0023/rc/rc0/input71 [ 61.796713][ T10] hid-picolcd 0003:04D8:C002.0023: No report with id 0x94 found [ 61.796723][ T10] hid-picolcd 0003:04D8:C002.0023: failed to configure display [ 61.953724][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0024/input/input72 [ 61.956162][ T26] Registered IR keymap rc-rc6-mce [ 61.984702][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 61.984943][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0024/rc/rc0 [ 61.985313][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0024/rc/rc0/input73 [ 61.987477][ T26] hid-picolcd 0003:04D8:C002.0024: No report with id 0x94 found [ 61.987489][ T26] hid-picolcd 0003:04D8:C002.0024: failed to configure display [ 62.112885][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0025/input/input74 [ 62.114104][ T26] Registered IR keymap rc-rc6-mce [ 62.153907][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 62.154171][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0025/rc/rc0 [ 62.154636][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0025/rc/rc0/input75 [ 62.155690][ T26] hid-picolcd 0003:04D8:C002.0025: No report with id 0x94 found [ 62.155699][ T26] hid-picolcd 0003:04D8:C002.0025: failed to configure display [ 62.312838][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0026/input/input76 [ 62.315457][ T26] Registered IR keymap rc-rc6-mce [ 62.353882][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 62.354137][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0026/rc/rc0 [ 62.354568][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0026/rc/rc0/input77 [ 62.355736][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 62.355743][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 1970/01/01 00:01:02 executed programs: 39 [ 62.355750][ T26] preempt_count: 1, expected: 0 [ 62.355754][ T26] RCU nest depth: 0, expected: 0 [ 62.355757][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 62.355763][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 62.355790][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 62.355809][ T26] #2: ffff0000c9ce9a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 62.355826][ T26] #3: ffff0000d332a970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 62.355847][ T26] irq event stamp: 165782 [ 62.374251][ T26] hardirqs last enabled at (165781): [] kasan_quarantine_put+0xb4/0x1c4 [ 62.376000][ T26] hardirqs last disabled at (165782): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 62.377758][ T26] softirqs last enabled at (165756): [] __alloc_skb+0x1c0/0x610 [ 62.379336][ T26] softirqs last disabled at (165754): [] __alloc_skb+0x1a8/0x610 [ 62.380955][ T26] Preemption disabled at: [ 62.380964][ T26] [] picolcd_set_contrast+0x104/0x290 [ 62.380995][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 62.381006][ T26] Tainted: [W]=WARN [ 62.381010][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 62.381015][ T26] Workqueue: events uhid_device_add_worker [ 62.381024][ T26] Call trace: [ 62.381027][ T26] show_stack+0x2c/0x3c (C) [ 62.381039][ T26] __dump_stack+0x30/0x40 [ 62.381049][ T26] dump_stack_lvl+0xd8/0x12c [ 62.381058][ T26] dump_stack+0x1c/0x28 [ 62.381067][ T26] __might_resched+0x354/0x4c0 [ 62.381076][ T26] __might_sleep+0x84/0xdc [ 62.381085][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 62.381092][ T26] __hid_request+0xac/0x3cc [ 62.381101][ T26] hid_hw_request+0x9c/0xb4 [ 62.381110][ T26] picolcd_set_contrast+0x1b8/0x290 [ 62.381120][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 62.381130][ T26] picolcd_probe+0x8a8/0x1110 [ 62.381139][ T26] hid_device_probe+0x35c/0x61c [ 62.381148][ T26] really_probe+0x29c/0x800 [ 62.381156][ T26] __driver_probe_device+0x1e0/0x350 [ 62.381164][ T26] driver_probe_device+0x6c/0x19c [ 62.381171][ T26] __device_attach_driver+0x198/0x2f8 [ 62.381178][ T26] bus_for_each_drv+0x144/0x1dc [ 62.381188][ T26] __device_attach+0x248/0x390 [ 62.381195][ T26] device_initial_probe+0x90/0xc8 [ 62.381202][ T26] bus_probe_device+0x58/0x120 [ 62.381212][ T26] device_add+0x6cc/0x9e0 [ 62.381220][ T26] hid_add_device+0x254/0x3b8 [ 62.381229][ T26] uhid_device_add_worker+0x4c/0xf8 [ 62.381236][ T26] process_scheduled_works+0x91c/0x1250 [ 62.381246][ T26] worker_thread+0x798/0xbd0 [ 62.381254][ T26] kthread+0x304/0x3d4 [ 62.381262][ T26] ret_from_fork+0x10/0x20 [ 62.384012][ T26] hid-picolcd 0003:04D8:C002.0026: No report with id 0x94 found [ 62.384023][ T26] hid-picolcd 0003:04D8:C002.0026: failed to configure display [ 62.465203][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0027/input/input78 [ 62.465639][ T26] Registered IR keymap rc-rc6-mce [ 62.493882][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 62.494122][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0027/rc/rc0 [ 62.494704][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0027/rc/rc0/input79 [ 62.495967][ T26] hid-picolcd 0003:04D8:C002.0027: No report with id 0x94 found [ 62.495978][ T26] hid-picolcd 0003:04D8:C002.0027: failed to configure display [ 62.596251][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0028/input/input80 [ 62.597523][ T10] Registered IR keymap rc-rc6-mce [ 62.634087][ T10] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 62.634346][ T10] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0028/rc/rc0 [ 62.635361][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0028/rc/rc0/input81 [ 62.636790][ T10] hid-picolcd 0003:04D8:C002.0028: No report with id 0x94 found [ 62.636801][ T10] hid-picolcd 0003:04D8:C002.0028: failed to configure display [ 62.785067][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0029/input/input82 [ 62.785827][ T10] Registered IR keymap rc-rc6-mce [ 62.823941][ T10] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 62.825041][ T10] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0029/rc/rc0 [ 62.826923][ T10] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0029/rc/rc0/input83 [ 62.830748][ T10] hid-picolcd 0003:04D8:C002.0029: No report with id 0x94 found [ 62.830759][ T10] hid-picolcd 0003:04D8:C002.0029: failed to configure display [ 63.015145][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002A/input/input84 [ 63.016251][ T26] Registered IR keymap rc-rc6-mce [ 63.044127][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.044393][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002A/rc/rc0 [ 63.044899][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002A/rc/rc0/input85 [ 63.045980][ T26] hid-picolcd 0003:04D8:C002.002A: No report with id 0x94 found [ 63.045990][ T26] hid-picolcd 0003:04D8:C002.002A: failed to configure display [ 63.162861][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002B/input/input86 [ 63.163285][ T26] Registered IR keymap rc-rc6-mce [ 63.193877][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.194147][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002B/rc/rc0 [ 63.194705][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002B/rc/rc0/input87 [ 63.195946][ T26] hid-picolcd 0003:04D8:C002.002B: No report with id 0x94 found [ 63.195956][ T26] hid-picolcd 0003:04D8:C002.002B: failed to configure display [ 63.363321][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002C/input/input88 [ 63.364978][ T26] Registered IR keymap rc-rc6-mce [ 63.403883][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.405628][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002C/rc/rc0 [ 63.406185][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002C/rc/rc0/input89 [ 63.407993][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 63.408000][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 63.408006][ T26] preempt_count: 1, expected: 0 [ 63.408010][ T26] RCU nest depth: 0, expected: 0 [ 63.408014][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 63.408020][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 63.408049][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 63.408068][ T26] #2: ffff0000d5c1da58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 63.408086][ T26] #3: ffff0000d0be7170 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 63.408107][ T26] irq event stamp: 179600 [ 63.426816][ T26] hardirqs last enabled at (179599): [] kasan_quarantine_put+0xb4/0x1c4 [ 63.428562][ T26] hardirqs last disabled at (179600): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 63.430313][ T26] softirqs last enabled at (179566): [] __alloc_skb+0x1c0/0x610 [ 63.431949][ T26] softirqs last disabled at (179564): [] __alloc_skb+0x1a8/0x610 [ 63.433533][ T26] Preemption disabled at: [ 63.433542][ T26] [] picolcd_set_contrast+0x104/0x290 [ 63.433564][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 63.433574][ T26] Tainted: [W]=WARN [ 63.433577][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 63.433582][ T26] Workqueue: events uhid_device_add_worker [ 63.433592][ T26] Call trace: [ 63.433595][ T26] show_stack+0x2c/0x3c (C) [ 63.433607][ T26] __dump_stack+0x30/0x40 [ 63.433617][ T26] dump_stack_lvl+0xd8/0x12c [ 63.433627][ T26] dump_stack+0x1c/0x28 [ 63.433636][ T26] __might_resched+0x354/0x4c0 [ 63.433646][ T26] __might_sleep+0x84/0xdc [ 63.433654][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 63.433662][ T26] __hid_request+0xac/0x3cc [ 63.433670][ T26] hid_hw_request+0x9c/0xb4 [ 63.433679][ T26] picolcd_set_contrast+0x1b8/0x290 [ 63.433689][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 63.433699][ T26] picolcd_probe+0x8a8/0x1110 [ 63.433708][ T26] hid_device_probe+0x35c/0x61c [ 63.433717][ T26] really_probe+0x29c/0x800 [ 63.433725][ T26] __driver_probe_device+0x1e0/0x350 [ 63.433733][ T26] driver_probe_device+0x6c/0x19c [ 63.433740][ T26] __device_attach_driver+0x198/0x2f8 [ 63.433748][ T26] bus_for_each_drv+0x144/0x1dc [ 63.433757][ T26] __device_attach+0x248/0x390 [ 63.433764][ T26] device_initial_probe+0x90/0xc8 [ 63.433771][ T26] bus_probe_device+0x58/0x120 [ 63.433781][ T26] device_add+0x6cc/0x9e0 [ 63.433789][ T26] hid_add_device+0x254/0x3b8 [ 63.433798][ T26] uhid_device_add_worker+0x4c/0xf8 [ 63.433806][ T26] process_scheduled_works+0x91c/0x1250 [ 63.433815][ T26] worker_thread+0x798/0xbd0 [ 63.433823][ T26] kthread+0x304/0x3d4 [ 63.433831][ T26] ret_from_fork+0x10/0x20 [ 63.445105][ T26] hid-picolcd 0003:04D8:C002.002C: No report with id 0x94 found [ 63.445117][ T26] hid-picolcd 0003:04D8:C002.002C: failed to configure display [ 63.582445][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002D/input/input90 [ 63.582861][ T26] Registered IR keymap rc-rc6-mce [ 63.623961][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.625551][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002D/rc/rc0 [ 63.625970][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002D/rc/rc0/input91 [ 63.627128][ T26] hid-picolcd 0003:04D8:C002.002D: No report with id 0x94 found [ 63.627138][ T26] hid-picolcd 0003:04D8:C002.002D: failed to configure display [ 63.753564][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002E/input/input92 [ 63.754478][ T26] Registered IR keymap rc-rc6-mce [ 63.783952][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.785068][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002E/rc/rc0 [ 63.787386][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002E/rc/rc0/input93 [ 63.789008][ T26] hid-picolcd 0003:04D8:C002.002E: No report with id 0x94 found [ 63.789021][ T26] hid-picolcd 0003:04D8:C002.002E: failed to configure display [ 63.923403][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002F/input/input94 [ 63.923817][ T26] Registered IR keymap rc-rc6-mce [ 63.953946][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 63.955041][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002F/rc/rc0 [ 63.956215][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.002F/rc/rc0/input95 [ 63.962799][ T26] hid-picolcd 0003:04D8:C002.002F: No report with id 0x94 found [ 63.962812][ T26] hid-picolcd 0003:04D8:C002.002F: failed to configure display [ 64.065901][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0030/input/input96 [ 64.066927][ T26] Registered IR keymap rc-rc6-mce [ 64.105672][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.105933][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0030/rc/rc0 [ 64.106416][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0030/rc/rc0/input97 [ 64.107847][ T26] hid-picolcd 0003:04D8:C002.0030: No report with id 0x94 found [ 64.107858][ T26] hid-picolcd 0003:04D8:C002.0030: failed to configure display [ 64.202675][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0031/input/input98 [ 64.203079][ T26] Registered IR keymap rc-rc6-mce [ 64.233876][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.234132][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0031/rc/rc0 [ 64.234501][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0031/rc/rc0/input99 [ 64.236060][ T26] hid-picolcd 0003:04D8:C002.0031: No report with id 0x94 found [ 64.236070][ T26] hid-picolcd 0003:04D8:C002.0031: failed to configure display [ 64.353281][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0032/input/input100 [ 64.354843][ T26] Registered IR keymap rc-rc6-mce [ 64.383876][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.384666][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0032/rc/rc0 [ 64.385575][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0032/rc/rc0/input101 [ 64.388810][ T26] hid-picolcd 0003:04D8:C002.0032: No report with id 0x94 found [ 64.388821][ T26] hid-picolcd 0003:04D8:C002.0032: failed to configure display [ 64.475722][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0033/input/input102 [ 64.476090][ T9] Registered IR keymap rc-rc6-mce [ 64.494951][ T1594] ieee802154 phy0 wpan0: encryption failed: -22 [ 64.494985][ T1594] ieee802154 phy1 wpan1: encryption failed: -22 [ 64.496216][ T866] cfg80211: failed to load regulatory.db [ 64.514022][ T9] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.514530][ T9] r ** replaying previous printk message ** [ 64.514530][ T9] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0033/rc/rc0 [ 64.514893][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0033/rc/rc0/input103 [ 64.516044][ T9] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 64.516052][ T9] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 9, name: kworker/0:0 [ 64.516060][ T9] preempt_count: 1, expected: 0 [ 64.516065][ T9] RCU nest depth: 0, expected: 0 [ 64.516069][ T9] locks held by kworker/0:0/9: 4, last CPU#0: [ 64.516076][ T9] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 64.516104][ T9] #1: ffff80008f8e7c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 64.516122][ T9] #2: ffff0000d93e9a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 64.516140][ T9] #3: ffff0000d87cf970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 64.516160][ T9] irq event stamp: 66822 [ 64.533829][ T9] hardirqs last enabled at (66821): [] kasan_quarantine_put+0xb4/0x1c4 [ 64.535630][ T9] hardirqs last disabled at (66822): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 64.537443][ T9] softirqs last enabled at (66796): [] __alloc_skb+0x1c0/0x610 [ 64.539146][ T9] softirqs last disabled at (66794): [] __alloc_skb+0x1a8/0x610 [ 64.541047][ T9] Preemption disabled at: [ 64.541056][ T9] [] picolcd_set_contrast+0x104/0x290 [ 64.541083][ T9] CPU: 0 UID: 0 PID: 9 Comm: kworker/0:0 Tainted: G W syzkaller #0 PREEMPT [ 64.541093][ T9] Tainted: [W]=WARN [ 64.541096][ T9] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 64.541101][ T9] Workqueue: events uhid_device_add_worker [ 64.541111][ T9] Call trace: [ 64.541113][ T9] show_stack+0x2c/0x3c (C) [ 64.541125][ T9] __dump_stack+0x30/0x40 [ 64.541135][ T9] dump_stack_lvl+0xd8/0x12c [ 64.541145][ T9] dump_stack+0x1c/0x28 [ 64.541154][ T9] __might_resched+0x354/0x4c0 [ 64.541163][ T9] __might_sleep+0x84/0xdc [ 64.541171][ T9] __kmalloc_noprof+0xfc/0x6c8 [ 64.541179][ T9] __hid_request+0xac/0x3cc [ 64.541188][ T9] hid_hw_request+0x9c/0xb4 [ 64.541197][ T9] picolcd_set_contrast+0x1b8/0x290 [ 64.541207][ T9] picolcd_init_lcd+0x1b4/0x2a0 [ 64.541217][ T9] picolcd_probe+0x8a8/0x1110 [ 64.541226][ T9] hid_device_probe+0x35c/0x61c [ 64.541235][ T9] really_probe+0x29c/0x800 [ 64.541243][ T9] __driver_probe_device+0x1e0/0x350 [ 64.541251][ T9] driver_probe_device+0x6c/0x19c [ 64.541258][ T9] __device_attach_driver+0x198/0x2f8 [ 64.541265][ T9] bus_for_each_drv+0x144/0x1dc [ 64.541275][ T9] __device_attach+0x248/0x390 [ 64.541282][ T9] device_initial_probe+0x90/0xc8 [ 64.541289][ T9] bus_probe_device+0x58/0x120 [ 64.541299][ T9] device_add+0x6cc/0x9e0 [ 64.541307][ T9] hid_add_device+0x254/0x3b8 [ 64.541316][ T9] uhid_device_add_worker+0x4c/0xf8 [ 64.541324][ T9] process_scheduled_works+0x91c/0x1250 [ 64.541333][ T9] worker_thread+0x798/0xbd0 [ 64.541341][ T9] kthread+0x304/0x3d4 [ 64.541349][ T9] ret_from_fork+0x10/0x20 [ 64.564498][ T9] hid-picolcd 0003:04D8:C002.0033: No report with id 0x94 found [ 64.564510][ T9] hid-picolcd 0003:04D8:C002.0033: failed to configure display [ 64.661619][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0034/input/input104 [ 64.661988][ T9] Registered IR keymap rc-rc6-mce [ 64.694856][ T9] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.695643][ T9] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0034/rc/rc0 [ 64.696725][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0034/rc/rc0/input105 [ 64.697662][ T9] hid-picolcd 0003:04D8:C002.0034: No report with id 0x94 found [ 64.697672][ T9] hid-picolcd 0003:04D8:C002.0034: failed to configure display [ 64.826434][ T866] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0035/input/input106 [ 64.826815][ T866] Registered IR keymap rc-rc6-mce [ 64.864064][ T866] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 64.865312][ T866] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0035/rc/rc0 [ 64.866319][ T866] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0035/rc/rc0/input107 [ 64.867514][ T866] hid-picolcd 0003:04D8:C002.0035: No report with id 0x94 found [ 64.867524][ T866] hid-picolcd 0003:04D8:C002.0035: failed to configure display [ 65.023203][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0036/input/input108 [ 65.025981][ T9] Registered IR keymap rc-rc6-mce [ 65.065999][ T9] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 65.066238][ T9] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0036/rc/rc0 [ 65.066614][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0036/rc/rc0/input109 [ 65.069613][ T9] hid-picolcd 0003:04D8:C002.0036: No report with id 0x94 found [ 65.069624][ T9] hid-picolcd 0003:04D8:C002.0036: failed to configure display [ 65.203172][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0037/input/input110 [ 65.206940][ T9] Registered IR keymap rc-rc6-mce [ 65.243952][ T9] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 65.246649][ T9] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0037/rc/rc0 [ 65.247770][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0037/rc/rc0/input111 [ 65.249880][ T9] hid-picolcd 0003:04D8:C002.0037: No report with id 0x94 found [ 65.249891][ T9] hid-picolcd 0003:04D8:C002.0037: failed to configure display [ 65.382213][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0038/input/input112 [ 65.385867][ T9] Registered IR keymap rc-rc6-mce [ 65.425150][ T9] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 65.425943][ T9] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0038/rc/rc0 [ 65.426390][ T9] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0038/rc/rc0/input113 [ 65.427893][ T9] hid-picolcd 0003:04D8:C002.0038: No report with id 0x94 found [ 65.427908][ T9] hid-picolcd 0003:04D8:C002.0038: failed to configure display [ 65.584409][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0039/input/input114 [ 65.585152][ T26] Registered IR keymap rc-rc6-mce [ 65.614810][ T26] rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available [ 65.615067][ T26] rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0039/rc/rc0 [ 65.615462][ T26] input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0039/rc/rc0/input115 [ 65.616831][ T26] BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 [ 65.616839][ T26] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 26, name: kworker/1:1 [ 65.616848][ T26] preempt_count: 1, expected: 0 [ 65.616852][ T26] RCU nest depth: 0, expected: 0 [ 65.616856][ T26] locks held by kworker/1:1/26: 4, last CPU#1: [ 65.616862][ T26] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 [ 65.616891][ T26] #1: ffff80008fa07c20 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 [ 65.616909][ T26] #2: ffff0000f1145a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 [ 65.616932][ T26] #3: ffff0000f156c970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 [ 65.616954][ T26] irq event stamp: 201986 [ 65.634880][ T26] hardirqs last enabled at (201985): [] kasan_quarantine_put+0xb4/0x1c4 [ 65.636562][ T26] hardirqs last disabled at (201986): [] _raw_spin_lock_irqsave+0x2c/0x7c [ 65.638270][ T26] softirqs last enabled at (201960): [] __alloc_skb+0x1c0/0x610 [ 65.639942][ T26] softirqs last disabled at (201958): [] __alloc_skb+0x1a8/0x610 [ 65.641612][ T26] Preemption disabled at: [ 65.641620][ T26] [] picolcd_set_contrast+0x104/0x290 [ 65.641644][ T26] CPU: 1 UID: 0 PID: 26 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT [ 65.641655][ T26] Tainted: [W]=WARN [ 65.641657][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 [ 65.641663][ T26] Workqueue: events uhid_device_add_worker [ 65.641672][ T26] Call trace: [ 65.641675][ T26] show_stack+0x2c/0x3c (C) [ 65.641687][ T26] __dump_stack+0x30/0x40 [ 65.641698][ T26] dump_stack_lvl+0xd8/0x12c [ 65.641707][ T26] dump_stack+0x1c/0x28 [ 65.641717][ T26] __might_resched+0x354/0x4c0 [ 65.641726][ T26] __might_sleep+0x84/0xdc [ 65.641734][ T26] __kmalloc_noprof+0xfc/0x6c8 [ 65.641742][ T26] __hid_request+0xac/0x3cc [ 65.641751][ T26] hid_hw_request+0x9c/0xb4 [ 65.641760][ T26] picolcd_set_contrast+0x1b8/0x290 [ 65.641770][ T26] picolcd_init_lcd+0x1b4/0x2a0 [ 65.641780][ T26] picolcd_probe+0x8a8/0x1110 [ 65.641789][ T26] hid_device_probe+0x35c/0x61c [ 65.641798][ T26] really_probe+0x29c/0x800 [ 65.641806][ T26] __driver_probe_device+0x1e0/0x350 [ 65.641813][ T26] driver_probe_device+0x6c/0x19c [ 65.641821][ T26] __device_attach_driver+0x198/0x2f8 [ 65.641828][ T26] bus_for_each_drv+0x144/0x1dc [ 65.641838][ T26] __device_attach+0x248/0x390 [ 65.641845][ T26] device_initial_probe+0x90/0xc8 [ 65.641852][ T26] bus_probe_device+0x58/0x120 [ 65.641862][ T26] device_add+0x6cc/0x9e0 [ 65.641870][ T26] hid_add_device+0x254/0x3b8 [ 65.641879][ T26] uhid_device_add_worker+0x4c/0xf8 [ 65.641887][ T26] process_scheduled_works+0x91c/0x1250 [ 65.641896][ T26] worker_thread+0x798/0xbd0 [ 65.641904][ T26] kthread+0x304/0x3d4 [ 65.641916][ T26] ret_from_fork+0x10/0x20 [ 65.644478][ T26] hid-picolcd 0003:04D8:C002.0039: No report with id 0x94 found [ 65.644488][ T26] hid-picolcd 0003:04D8:C002.0039: failed to configure display