Extracting prog: 1m59.168954185s Minimizing prog: 4m28.387230822s Simplifying prog options: 0s Extracting C: 1m7.289312935s Simplifying C: 11m25.151309124s 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:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 crashed: BUG: sleeping function called from invalid context in __hid_request simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false 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 compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false 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 crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program crashed: BUG: sleeping function called from invalid context in __hid_request testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$uhid-write$UHID_CREATE2 program crashed: BUG: sleeping function called from invalid context in __hid_request testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false 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=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false 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=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false 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 21m57.6697818s repro crashed as (corrupted=false): rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0 input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0/input3 BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 24, name: kworker/1:0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 locks held by kworker/1:0/24: 4, last CPU#1: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3362 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3470 #1: ffff80008ee37c40 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3362 [inline] #1: ffff80008ee37c40 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3470 #2: ffff0000e8c69a58 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff0000e8c69a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 drivers/base/dd.c:1073 #3: ffff0000d0550170 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 drivers/hid/hid-picolcd_lcd.c:36 irq event stamp: 38900 hardirqs last enabled at (38899): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (38900): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:153 [inline] hardirqs last disabled at (38900): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:181 softirqs last enabled at (38862): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (38860): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (38860): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 Preemption disabled at: [] picolcd_set_contrast+0x104/0x290 drivers/hid/hid-picolcd_lcd.c:36 CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: events uhid_device_add_worker Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 __might_resched+0x354/0x4c0 kernel/sched/core.c:9234 __might_sleep+0x84/0xdc kernel/sched/core.c:9163 might_alloc include/linux/sched/mm.h:322 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0xfc/0x6c8 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1923 [inline] __hid_request+0xac/0x3cc drivers/hid/hid-core.c:2014 hid_hw_request+0x9c/0xb4 drivers/hid/hid-core.c:2533 picolcd_set_contrast+0x1b8/0x290 drivers/hid/hid-picolcd_lcd.c:39 picolcd_init_lcd+0x1b4/0x2a0 drivers/hid/hid-picolcd_lcd.c:70 picolcd_probe_lcd drivers/hid/hid-picolcd_core.c:477 [inline] picolcd_probe+0x8a8/0x1110 drivers/hid/hid-picolcd_core.c:580 __hid_device_probe drivers/hid/hid-core.c:2839 [inline] hid_device_probe+0x35c/0x61c drivers/hid/hid-core.c:2878 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x29c/0x800 drivers/base/dd.c:706 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500 __device_attach+0x248/0x390 drivers/base/dd.c:1098 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153 bus_probe_device+0x58/0x120 drivers/base/bus.c:620 device_add+0x6cc/0x9e0 drivers/base/core.c:3776 hid_add_device+0x254/0x3b8 drivers/hid/hid-core.c:3065 uhid_device_add_worker+0x4c/0xf8 drivers/hid/uhid.c:73 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 hid-picolcd 0003:04D8:C002.0001: No report with id 0x94 found hid-picolcd 0003:04D8:C002.0001: failed to configure display final repro crashed as (corrupted=false): rc_core: Loaded IR protocol module ir-rc6-decoder, but protocol rc-6 still not available rc rc0: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0 input: syz0 as /devices/virtual/misc/uhid/0003:04D8:C002.0001/rc/rc0/input3 BUG: sleeping function called from invalid context at ./include/linux/sched/mm.h:322 in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 24, name: kworker/1:0 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 locks held by kworker/1:0/24: 4, last CPU#1: #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3362 [inline] #0: ffff0000c002b540 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x8c8/0x1250 kernel/workqueue.c:3470 #1: ffff80008ee37c40 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3362 [inline] #1: ffff80008ee37c40 ((work_completion)(&uhid->worker)){+.+.}-{0:0}, at: process_scheduled_works+0x8d0/0x1250 kernel/workqueue.c:3470 #2: ffff0000e8c69a58 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:1104 [inline] #2: ffff0000e8c69a58 (&dev->mutex){....}-{4:4}, at: __device_attach+0x88/0x390 drivers/base/dd.c:1073 #3: ffff0000d0550170 (&data->lock){....}-{3:3}, at: picolcd_set_contrast+0x104/0x290 drivers/hid/hid-picolcd_lcd.c:36 irq event stamp: 38900 hardirqs last enabled at (38899): [] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234 hardirqs last disabled at (38900): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:153 [inline] hardirqs last disabled at (38900): [] _raw_spin_lock_irqsave+0x2c/0x7c kernel/locking/spinlock.c:181 softirqs last enabled at (38862): [] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698 softirqs last disabled at (38860): [] local_bh_disable include/linux/bottom_half.h:20 [inline] softirqs last disabled at (38860): [] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697 Preemption disabled at: [] picolcd_set_contrast+0x104/0x290 drivers/hid/hid-picolcd_lcd.c:36 CPU: 1 UID: 0 PID: 24 Comm: kworker/1:0 Not tainted syzkaller #0 PREEMPT Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026 Workqueue: events uhid_device_add_worker Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:499 (C) __dump_stack+0x30/0x40 lib/dump_stack.c:94 dump_stack_lvl+0xd8/0x12c lib/dump_stack.c:120 dump_stack+0x1c/0x28 lib/dump_stack.c:129 __might_resched+0x354/0x4c0 kernel/sched/core.c:9234 __might_sleep+0x84/0xdc kernel/sched/core.c:9163 might_alloc include/linux/sched/mm.h:322 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] __do_kmalloc_node mm/slub.c:5413 [inline] __kmalloc_noprof+0xfc/0x6c8 mm/slub.c:5439 _kmalloc_noprof include/linux/slab.h:995 [inline] _kzalloc_noprof include/linux/slab.h:1312 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1923 [inline] __hid_request+0xac/0x3cc drivers/hid/hid-core.c:2014 hid_hw_request+0x9c/0xb4 drivers/hid/hid-core.c:2533 picolcd_set_contrast+0x1b8/0x290 drivers/hid/hid-picolcd_lcd.c:39 picolcd_init_lcd+0x1b4/0x2a0 drivers/hid/hid-picolcd_lcd.c:70 picolcd_probe_lcd drivers/hid/hid-picolcd_core.c:477 [inline] picolcd_probe+0x8a8/0x1110 drivers/hid/hid-picolcd_core.c:580 __hid_device_probe drivers/hid/hid-core.c:2839 [inline] hid_device_probe+0x35c/0x61c drivers/hid/hid-core.c:2878 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x29c/0x800 drivers/base/dd.c:706 __driver_probe_device+0x1e0/0x350 drivers/base/dd.c:868 driver_probe_device+0x6c/0x19c drivers/base/dd.c:898 __device_attach_driver+0x198/0x2f8 drivers/base/dd.c:1026 bus_for_each_drv+0x144/0x1dc drivers/base/bus.c:500 __device_attach+0x248/0x390 drivers/base/dd.c:1098 device_initial_probe+0x90/0xc8 drivers/base/dd.c:1153 bus_probe_device+0x58/0x120 drivers/base/bus.c:620 device_add+0x6cc/0x9e0 drivers/base/core.c:3776 hid_add_device+0x254/0x3b8 drivers/hid/hid-core.c:3065 uhid_device_add_worker+0x4c/0xf8 drivers/hid/uhid.c:73 process_one_work kernel/workqueue.c:3387 [inline] process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470 worker_thread+0x798/0xbd0 kernel/workqueue.c:3551 kthread+0x304/0x3d4 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838 hid-picolcd 0003:04D8:C002.0001: No report with id 0x94 found hid-picolcd 0003:04D8:C002.0001: failed to configure display