Extracting prog: 1m11.211637243s Minimizing prog: 3m33.67777907s Simplifying prog options: 2m18.075665973s Extracting C: 26.019336193s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request single: successfully extracted reproducer found reproducer with 2 syscalls minimizing guilty program testing program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid detailed listing: executing program 0: openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) program did not crash testing program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$UHID_CREATE2 detailed listing: executing program 0: write$UHID_CREATE2(0xffffffffffffffff, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program did not crash testing program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, 0x0, 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program did not crash testing program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, 0x0, 0x0) program did not crash testing program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x0, 0x3, 0x4d8, 0xc002}}, 0x118) program did not crash extracting C reproducer testing compiled C program (duration=37.034837149s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program did not crash simplifying guilty program options testing program (duration=37.034837149s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request extracting C reproducer testing compiled C program (duration=37.034837149s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program did not crash testing program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request extracting C reproducer testing compiled C program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program did not crash testing program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program did not crash validation run: crashed=false testing program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request validation run: crashed=true testing program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request validation run: crashed=true testing program (duration=37.034837149s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 detailed listing: executing program 0: r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000000), 0x2, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000100)={0xb, {'syz0\x00', 'syz1\x00', 'syz0\x00', 0x43, 0x3, 0x4d8, 0xc002, 0x0, 0x0, "05010900a10185110901150026ff0075089502810285210902150026ff0075089501810285910904150026ff0075089501910285920903150026ff00750895019102c0"}}, 0x15b) program crashed: BUG: sleeping function called from invalid context in __hid_request validation run: crashed=true reproducing took 10m9.53527559s repro crashed as (corrupted=false): rc_core: IR keymap rc-rc6-mce not found Registered IR keymap rc-empty rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0 input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0/input6 BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 50, name: kworker/1:1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 4 locks held by kworker/1:1/50: #0: ffff88801bcaa940 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000071fd08 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888053f91a58 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff888053f91a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0 drivers/base/dd.c:1073 #3: ffff88802ab47970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x173/0x360 drivers/hid/hid-picolcd_lcd.c:36 irq event stamp: 82330 hardirqs last enabled at (82329): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (82329): [] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:542 [inline] hardirqs last enabled at (82329): [] irqentry_exit+0x24d/0xa10 kernel/entry/common.c:167 hardirqs last disabled at (82330): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:130 [inline] hardirqs last disabled at (82330): [] _raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:166 softirqs last enabled at (82290): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last enabled at (82290): [] __alloc_skb+0x5b7/0x710 net/core/skbuff.c:697 softirqs last disabled at (82288): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (82288): [] __alloc_skb+0x5b7/0x710 net/core/skbuff.c:697 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 UID: 0 PID: 50 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events uhid_device_add_worker Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 __might_resched.cold+0x1ec/0x232 kernel/sched/core.c:9197 might_alloc include/linux/sched/mm.h:323 [inline] slab_pre_alloc_hook mm/slub.c:4537 [inline] slab_alloc_node mm/slub.c:4897 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_noprof+0x4ef/0x820 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1917 [inline] __hid_request+0xb5/0x490 drivers/hid/hid-core.c:2007 hid_hw_request+0x98/0xc0 drivers/hid/hid-core.c:2523 picolcd_set_contrast+0x2b1/0x360 drivers/hid/hid-picolcd_lcd.c:39 picolcd_init_lcd+0x245/0x300 drivers/hid/hid-picolcd_lcd.c:70 picolcd_probe_lcd drivers/hid/hid-picolcd_core.c:477 [inline] picolcd_probe+0xc8a/0x1440 drivers/hid/hid-picolcd_core.c:580 __hid_device_probe drivers/hid/hid-core.c:2829 [inline] hid_device_probe+0x50e/0x800 drivers/hid/hid-core.c:2866 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 hid_add_device+0x2bf/0x440 drivers/hid/hid-core.c:3010 uhid_device_add_worker+0x3a/0x70 drivers/hid/uhid.c:73 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 hid-picolcd 0003:04D8:C002.0002: No report with id 0x94 found hid-picolcd 0003:04D8:C002.0002: failed to configure display final repro crashed as (corrupted=false): rc_core: IR keymap rc-rc6-mce not found Registered IR keymap rc-empty rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0 input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0002/rc/rc0/input6 BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:323 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 50, name: kworker/1:1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 4 locks held by kworker/1:1/50: #0: ffff88801bcaa940 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x12b1/0x1940 kernel/workqueue.c:3297 #1: ffffc9000071fd08 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_one_work+0x988/0x1940 kernel/workqueue.c:3298 #2: ffff888053f91a58 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff888053f91a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0 drivers/base/dd.c:1073 #3: ffff88802ab47970 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x173/0x360 drivers/hid/hid-picolcd_lcd.c:36 irq event stamp: 82330 hardirqs last enabled at (82329): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline] hardirqs last enabled at (82329): [] irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:542 [inline] hardirqs last enabled at (82329): [] irqentry_exit+0x24d/0xa10 kernel/entry/common.c:167 hardirqs last disabled at (82330): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:130 [inline] hardirqs last disabled at (82330): [] _raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:166 softirqs last enabled at (82290): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last enabled at (82290): [] __alloc_skb+0x5b7/0x710 net/core/skbuff.c:697 softirqs last disabled at (82288): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (82288): [] __alloc_skb+0x5b7/0x710 net/core/skbuff.c:697 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 UID: 0 PID: 50 Comm: kworker/1:1 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events uhid_device_add_worker Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 __might_resched.cold+0x1ec/0x232 kernel/sched/core.c:9197 might_alloc include/linux/sched/mm.h:323 [inline] slab_pre_alloc_hook mm/slub.c:4537 [inline] slab_alloc_node mm/slub.c:4897 [inline] __do_kmalloc_node mm/slub.c:5333 [inline] __kmalloc_noprof+0x4ef/0x820 mm/slub.c:5359 _kmalloc_noprof include/linux/slab.h:992 [inline] _kzalloc_noprof include/linux/slab.h:1309 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1917 [inline] __hid_request+0xb5/0x490 drivers/hid/hid-core.c:2007 hid_hw_request+0x98/0xc0 drivers/hid/hid-core.c:2523 picolcd_set_contrast+0x2b1/0x360 drivers/hid/hid-picolcd_lcd.c:39 picolcd_init_lcd+0x245/0x300 drivers/hid/hid-picolcd_lcd.c:70 picolcd_probe_lcd drivers/hid/hid-picolcd_core.c:477 [inline] picolcd_probe+0xc8a/0x1440 drivers/hid/hid-picolcd_core.c:580 __hid_device_probe drivers/hid/hid-core.c:2829 [inline] hid_device_probe+0x50e/0x800 drivers/hid/hid-core.c:2866 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3772 hid_add_device+0x2bf/0x440 drivers/hid/hid-core.c:3010 uhid_device_add_worker+0x3a/0x70 drivers/hid/uhid.c:73 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322 process_scheduled_works kernel/workqueue.c:3405 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486 kthread+0x370/0x450 kernel/kthread.c:436 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 hid-picolcd 0003:04D8:C002.0002: No report with id 0x94 found hid-picolcd 0003:04D8:C002.0002: failed to configure display