WARNING: suspicious RCU usage in save_trace
per task-struct memory footprint: 1920 bytes
mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
ACPI: Core revision 20250807
APIC: Switch to symmetric I/O mode setup
x2apic enabled
APIC: Switched APIC routing to: physical x2apic
..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285d3845d96, max_idle_ns: 440795234894 ns
Calibrating delay loop (skipped) preset value.. 5600.52 BogoMIPS (lpj=28002620)
Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4
mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
Spectre V2 : Mitigation: Enhanced / Automatic IBRS
RETBleed: Mitigation: Enhanced IBRS
ITS: Mitigation: Aligned branch/return thunks
TAA: Vulnerable: Clear CPU buffers attempted, no microcode
MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks!
Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
active return thunk: its_return_thunk
Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64
x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512
x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024
x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format.
Freeing SMP alternatives memory: 132K
pid_max: default: 32768 minimum: 301
landlock: Up and running.
Yama: becoming mindful.
TOMOYO Linux initialized
SELinux: Initializing.
LSM support for eBPF active
Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
Running RCU synchronous self tests
Running RCU synchronous self tests
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
kernel/sched/core.c:8791 Illegal context switch in RCU-bh read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 1
no locks held by swapper/0/0.
stack backtrace:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
lockdep_rcu_suspicious.cold+0x4f/0xb1 kernel/locking/lockdep.c:6876
__might_resched+0x289/0x330 kernel/sched/core.c:8791
arch_stack_walk+0xe0/0x130 arch/x86/kernel/stacktrace.c:33
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_trace+0x4e/0x360 kernel/locking/lockdep.c:587
mark_lock+0x1cf/0xa20 kernel/locking/lockdep.c:4748
mark_usage kernel/locking/lockdep.c:4674 [inline]
__lock_acquire+0x4a5/0x2630 kernel/locking/lockdep.c:5191
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
avc_latest_notif_update security/selinux/avc.c:573 [inline]
avc_insert security/selinux/avc.c:615 [inline]
avc_compute_av+0xc2/0x820 security/selinux/avc.c:993
avc_perm_nonode+0xb1/0x180 security/selinux/avc.c:1117
avc_has_perm_noaudit+0x2d4/0x3b0 security/selinux/avc.c:1160
avc_has_perm+0xbd/0x1e0 security/selinux/avc.c:1195
security_task_alloc+0x100/0x260 security/security.c:2686
copy_process+0x25cc/0x7890 kernel/fork.c:2203
kernel_clone+0xfc/0x930 kernel/fork.c:2651
user_mode_thread+0xcc/0x110 kernel/fork.c:2727
rest_init+0x21/0x260 init/main.c:722
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
=============================
WARNING: suspicious RCU usage
syzkaller #0 Not tainted
-----------------------------
kernel/sched/core.c:8791 Illegal context switch in RCU-sched read-side critical section!
other info that might help us debug this:
rcu_scheduler_active = 1, debug_locks = 1
no locks held by swapper/0/0.
stack backtrace:
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
lockdep_rcu_suspicious.cold+0x4f/0xb1 kernel/locking/lockdep.c:6876
__might_resched+0x2e0/0x330 kernel/sched/core.c:8791
arch_stack_walk+0xe0/0x130 arch/x86/kernel/stacktrace.c:33
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_trace+0x4e/0x360 kernel/locking/lockdep.c:587
mark_lock+0x1cf/0xa20 kernel/locking/lockdep.c:4748
mark_usage kernel/locking/lockdep.c:4674 [inline]
__lock_acquire+0x4a5/0x2630 kernel/locking/lockdep.c:5191
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
avc_latest_notif_update security/selinux/avc.c:573 [inline]
avc_insert security/selinux/avc.c:615 [inline]
avc_compute_av+0xc2/0x820 security/selinux/avc.c:993
avc_perm_nonode+0xb1/0x180 security/selinux/avc.c:1117
avc_has_perm_noaudit+0x2d4/0x3b0 security/selinux/avc.c:1160
avc_has_perm+0xbd/0x1e0 security/selinux/avc.c:1195
security_task_alloc+0x100/0x260 security/security.c:2686
copy_process+0x25cc/0x7890 kernel/fork.c:2203
kernel_clone+0xfc/0x930 kernel/fork.c:2651
user_mode_thread+0xcc/0x110 kernel/fork.c:2727
rest_init+0x21/0x260 init/main.c:722
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0
preempt_count: 2, expected: 0
RCU nest depth: 0, expected: 0
no locks held by swapper/0/0.
irq event stamp: 477708
hardirqs last enabled at (477707): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last enabled at (477707): [] _raw_spin_unlock_irqrestore+0x52/0x80 kernel/locking/spinlock.c:194
hardirqs last disabled at (477708): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline]
hardirqs last disabled at (477708): [] _raw_spin_lock_irqsave+0x52/0x60 kernel/locking/spinlock.c:162
softirqs last enabled at (477560): [] __do_softirq kernel/softirq.c:656 [inline]
softirqs last enabled at (477560): [] invoke_softirq kernel/softirq.c:496 [inline]
softirqs last enabled at (477560): [] __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
softirqs last disabled at (477551): [] __do_softirq kernel/softirq.c:656 [inline]
softirqs last disabled at (477551): [] invoke_softirq kernel/softirq.c:496 [inline]
softirqs last disabled at (477551): [] __irq_exit_rcu+0xef/0x150 kernel/softirq.c:723
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
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:8829
arch_stack_walk+0xe0/0x130 arch/x86/kernel/stacktrace.c:33
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_trace+0x4e/0x360 kernel/locking/lockdep.c:587
mark_lock+0x1cf/0xa20 kernel/locking/lockdep.c:4748
mark_usage kernel/locking/lockdep.c:4674 [inline]
__lock_acquire+0x4a5/0x2630 kernel/locking/lockdep.c:5191
lock_acquire kernel/locking/lockdep.c:5868 [inline]
lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
complete_with_flags kernel/sched/completion.c:25 [inline]
complete+0x1d/0x200 kernel/sched/completion.c:52
rest_init+0x23d/0x260 init/main.c:749
start_kernel+0x47a/0x480 init/main.c:1206
x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310
x86_64_start_kernel+0x122/0x130 arch/x86/kernel/head64.c:291
common_startup_64+0x13e/0x148
failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.10.11" "pwd"]: exit status 255Pseudo-terminal will not be allocated because stdin is not a terminal.
Warning: Permanently added '[us-central1-ssh-serialport.googleapis.com]:9600' (ECDSA) to the list of known hosts.
SeaBIOS (version 1.8.2-google)
Total RAM Size = 0x0000000200000000 = 8192 MiB
CPUs found: 2 Max CPUs supported: 2
SeaBIOS (version 1.8.2-google)
Machine UUID 952f9a89-1797-d4e0-6e12-1fae0a305a27
found virtio-scsi at 0:3
virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0
virtio-scsi blksize=512 sectors=4194304 = 2048 MiB
drive 0x000f26a0: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304
Sending Seabios boot VM event.
Booting from Hard Disk 0...
[ 0.000000][ T0] Linux version syzkaller (syzkaller@syzkaller) (gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44) #0 SMP PREEMPT_DYNAMIC now
[ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.000000][ T0] KERNEL supported cpus:
[ 0.000000][ T0] Intel GenuineIntel
[ 0.000000][ T0] AMD AuthenticAMD
[ 0.000000][ T0] BIOS-provided physical RAM map:
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved
[ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable
[ 0.000000][ T0] printk: legacy bootconsole [earlyser0] enabled
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] ERROR: earlyprintk= earlyser already used
[ 0.000000][ T0] Hash pointers mode set to never.
[ 0.000000][ T0] Malformed early option 'vsyscall'
[ 0.000000][ T0] nopcid: PCID feature disabled
[ 0.000000][ T0] NX (Execute Disable) protection: active
[ 0.000000][ T0] APIC: Static calls initialized
[ 0.000000][ T0] SMBIOS 2.4 present.
[ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 0.000000][ T0] DMI: Memory slots populated: 1/1
[ 0.000000][ T0] Hypervisor detected: KVM
[ 0.000000][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00
[ 0.000005][ T0] kvm-clock: using sched offset of 4454190183 cycles
[ 0.000795][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[ 0.003429][ T0] tsc: Detected 2800.262 MHz processor
[ 0.009225][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.010237][ T0] MTRR map: 4 entries (3 fixed + 1 variable; max 19), built from 8 variable MTRRs
[ 0.011487][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT
[ 0.012720][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000
[ 0.019301][ T0] found SMP MP-table at [mem 0x000f2960-0x000f296f]
[ 0.020190][ T0] Using GB pages for direct mapping
[ 0.023889][ T0] ACPI: Early table checksum verification disabled
[ 0.024744][ T0] ACPI: RSDP 0x00000000000F26E0 000014 (v00 Google)
[ 0.025640][ T0] ACPI: RSDT 0x00000000BFFFFFA0 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001)
[ 0.026953][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001)
[ 0.028254][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001)
[ 0.029798][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.030566][ T0] ACPI: FACS 0x00000000BFFFD880 000040
[ 0.031345][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001)
[ 0.032610][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001)
[ 0.033926][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001)
[ 0.035306][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001)
[ 0.036632][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423]
[ 0.037755][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323]
[ 0.038820][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.039890][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf]
[ 0.040995][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27]
[ 0.042176][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25]
[ 0.043324][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf]
[ 0.044358][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57]
[ 0.045933][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff]
[ 0.046906][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff]
[ 0.047920][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff]
[ 0.048867][ T0] NUMA: Node 0 [mem 0x00001000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00001000-0xbfffffff]
[ 0.050331][ T0] NUMA: Node 0 [mem 0x00001000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00001000-0x23fffffff]
[ 0.052216][ T0] Faking node 0 at [mem 0x0000000000001000-0x0000000140000fff] (5120MB)
[ 0.053460][ T0] Faking node 1 at [mem 0x0000000140001000-0x000000023fffffff] (4095MB)
[ 0.055213][ T0] NODE_DATA(0) allocated [mem 0x13fffb400-0x140000fff]
[ 0.057121][ T0] NODE_DATA(1) allocated [mem 0x23fff7400-0x23fffcfff]
[ 0.094866][ T0] Zone ranges:
[ 0.095467][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.096447][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.097737][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.098890][ T0] Device empty
[ 0.099514][ T0] Movable zone start for each node
[ 0.100368][ T0] Early memory node ranges
[serialport: Connected to syzkaller.us-central1-c.ci-upstream-kasan-gce-selinux-root-test-job-2 port 1 (session ID: 0930c983dd3ae4094702f82507ed7b703be79e01b7dd7cc93799e7a0ae27345a, active connections: 1).
0.100981][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.101955][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff]
[ 0.103283][ T0] node 0: [mem 0x0000000100000000-0x0000000140000fff]
[ 0.104198][ T0] node 1: [mem 0x0000000140001000-0x000000023fffffff]
[ 0.105113][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x0000000140000fff]
[ 0.106172][ T0] Initmem setup node 1 [mem 0x0000000140001000-0x000000023fffffff]
[ 0.107238][ T0] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.108514][ T0] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.168117][ T0] On node 0, zone Normal: 3 pages in unavailable ranges
[ 0.529427][ T0] KernelAddressSanitizer initialized (generic)
[ 0.530856][ T0] ACPI: PM-Timer IO Port: 0xb008
[ 0.531587][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.532544][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 0.533696][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[ 0.534741][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.535795][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.536805][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.537815][ T0] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.538769][ T0] CPU topo: Max. logical packages: 1
[ 0.539616][ T0] CPU topo: Max. logical dies: 1
[ 0.540515][ T0] CPU topo: Max. dies per package: 1
[ 0.541263][ T0] CPU topo: Max. threads per core: 2
[ 0.541978][ T0] CPU topo: Num. cores per package: 1
[ 0.542748][ T0] CPU topo: Num. threads per package: 2
[ 0.543558][ T0] CPU topo: Allowing 2 present CPUs plus 0 hotplug CPUs
[ 0.544871][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.546361][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x000fffff]
[ 0.547612][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xffffffff]
[ 0.548750][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices
[ 0.549672][ T0] Booting paravirtualized kernel on KVM
[ 0.550414][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 0.615414][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:2 nr_cpu_ids:2 nr_node_ids:2
[ 0.617251][ T0] percpu: Embedded 71 pages/cpu s249864 r8192 d32760 u1048576
[ 0.618511][ T0] kvm-guest: PV spinlocks enabled
[ 0.619176][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear)
[ 0.620346][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 rcupdate.rcu_cpu_stall_cputime=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 msr.allow_writes=off coredump_filter=0xffff root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=64 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=32 rose.rose_ndevs=32 smp.csd_lock_timeout=100000 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 dummy_hcd.num=32 max_loop=32 nbds_max=32 \
[ 0.632554][ T0] Kernel command line: comedi.comedi_num_legacy_minors=4 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0
[ 0.639220][ T0] Unknown kernel command line parameters "nbds_max=32", will be passed to user space.
[ 0.640789][ T0] random: crng init done
[ 0.641426][ T0] printk: log buffer data + meta data: 262144 + 917504 = 1179648 bytes
[ 0.642726][ T0] software IO TLB: area num 2.
[ 0.670119][ T0] Fallback order for Node 0: 0 1
[ 0.670140][ T0] Fallback order for Node 1: 1 0
[ 0.670153][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2097051
[ 0.672518][ T0] Policy zone: Normal
[ 0.673795][ T0] mem auto-init: stack:all(zero), heap alloc:on, heap free:off
[ 0.674783][ T0] stackdepot: allocating hash table via alloc_large_system_hash
[ 0.675796][ T0] stackdepot hash table entries: 1048576 (order: 12, 16777216 bytes, linear)
[ 0.681730][ T0] stackdepot: allocating space for 8192 stack pools via memblock
[ 1.195533][ T0] **********************************************************
[ 1.196538][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.197511][ T0] ** **
[ 1.198449][ T0] ** This system shows unhashed kernel memory addresses **
[ 1.199398][ T0] ** via the console, logs, and other interfaces. This **
[ 1.200370][ T0] ** might reduce the security of your system. **
[ 1.201309][ T0] ** **
[ 1.202246][ T0] ** If you see this message and you are not debugging **
[ 1.203185][ T0] ** the kernel, report this immediately to your system **
[ 1.204137][ T0] ** administrator! **
[ 1.205087][ T0] ** **
[ 1.206039][ T0] ** Use hash_pointers=always to force this mode off **
[ 1.206976][ T0] ** **
[ 1.207957][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE **
[ 1.208895][ T0] **********************************************************
[ 1.211483][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2
[ 1.317452][ T0] allocated 167772160 bytes of page_ext
[ 1.318521][ T0] Node 0, zone DMA: page owner found early allocated 0 pages
[ 1.338757][ T0] Node 0, zone DMA32: page owner found early allocated 21120 pages
[ 1.352312][ T0] Node 0, zone Normal: page owner found early allocated 102 pages
[ 1.365519][ T0] Node 1, zone Normal: page owner found early allocated 19843 pages
[ 1.367741][ T0] Dynamic Preempt: full
[ 1.368932][ T0] Running RCU self tests
[ 1.369534][ T0] Running RCU synchronous self tests
[ 1.370238][ T0] rcu: Preemptible hierarchical RCU implementation.
[ 1.371254][ T0] rcu: RCU lockdep checking is enabled.
[ 1.372078][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[ 1.373135][ T0] rcu: RCU callback double-/use-after-free debug is enabled.
[ 1.374218][ T0] rcu: RCU debug extended QS entry/exit.
[ 1.375290][ T0] All grace periods are expedited (rcu_expedited).
[ 1.376246][ T0] Trampoline variant of Tasks RCU enabled.
[ 1.377117][ T0] Tracing variant of Tasks RCU enabled.
[ 1.377835][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies.
[ 1.379106][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[ 1.380287][ T0] Running RCU synchronous self tests
[ 1.381002][ T0] RCU Tasks: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 1.382294][ T0] RCU Tasks Trace: Setting shift to 1 and lim to 1 rcu_task_cb_adjust=1 rcu_task_cpu_ids=2.
[ 1.533282][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16
[ 1.535119][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention.
[ 1.536687][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823be00000-0xffff88823c000000
[ 1.539186][ T0] Console: colour VGA+ 80x25
[ 1.539888][ T0] printk: legacy console [ttyS0] enabled
[ 1.539888][ T0] printk: legacy console [ttyS0] enabled
[ 1.541489][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 1.541489][ T0] printk: legacy bootconsole [earlyser0] disabled
[ 1.543620][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[ 1.544836][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8
[ 1.545604][ T0] ... MAX_LOCK_DEPTH: 48
[ 1.546276][ T0] ... MAX_LOCKDEP_KEYS: 8192
[ 1.546983][ T0] ... CLASSHASH_SIZE: 4096
[ 1.547754][ T0] ... MAX_LOCKDEP_ENTRIES: 1048576
[ 1.548641][ T0] ... MAX_LOCKDEP_CHAINS: 1048576
[ 1.549448][ T0] ... CHAINHASH_SIZE: 524288
[ 1.550237][ T0] memory used by lock dependency info: 106625 kB
[ 1.551096][ T0] memory used for stack traces: 8320 kB
[ 1.551939][ T0] per task-struct memory footprint: 1920 bytes
[ 1.553058][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl
[ 1.554855][ T0] ACPI: Core revision 20250807
[ 1.556522][ T0] APIC: Switch to symmetric I/O mode setup
[ 1.557961][ T0] x2apic enabled
[ 1.561480][ T0] APIC: Switched APIC routing to: physical x2apic
[ 1.567718][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1
[ 1.569103][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285d3845d96, max_idle_ns: 440795234894 ns
[ 1.571023][ T0] Calibrating delay loop (skipped) preset value.. 5600.52 BogoMIPS (lpj=28002620)
[ 1.572993][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8
[ 1.573981][ T0] Last level dTLB entries: 4KB 64, 2MB 32, 4MB 32, 1GB 4
[ 1.575223][ T0] mitigations: Enabled attack vectors: user_kernel, user_user, guest_host, guest_guest, SMT mitigations: auto
[ 1.581078][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl
[ 1.582431][ T0] Spectre V2 : Mitigation: Enhanced / Automatic IBRS
[ 1.583473][ T0] RETBleed: Mitigation: Enhanced IBRS
[ 1.584216][ T0] ITS: Mitigation: Aligned branch/return thunks
[ 1.585157][ T0] TAA: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.586211][ T0] MMIO Stale Data: Vulnerable: Clear CPU buffers attempted, no microcode
[ 1.587356][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization
[ 1.588820][ T0] Spectre V2 : WARNING: Unprivileged eBPF is enabled with eIBRS on, data leaks possible via Spectre v2 BHB attacks!
[ 1.591022][ T0] Spectre V2 : Spectre v2 / PBRSB-eIBRS: Retire a single CALL on VMEXIT
[ 1.592290][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier
[ 1.593586][ T0] active return thunk: its_return_thunk
[ 1.594401][ T0] Spectre V2 : Spectre BHI mitigation: SW BHB clearing on syscall and VM exit
[ 1.595674][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[ 1.596804][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[ 1.598122][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[ 1.599114][ T0] x86/fpu: Supporting XSAVE feature 0x020: 'AVX-512 opmask'
[ 1.600170][ T0] x86/fpu: Supporting XSAVE feature 0x040: 'AVX-512 Hi256'
[ 1.601017][ T0] x86/fpu: Supporting XSAVE feature 0x080: 'AVX-512 ZMM_Hi256'
[ 1.602090][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256
[ 1.603042][ T0] x86/fpu: xstate_offset[5]: 832, xstate_sizes[5]: 64
[ 1.604043][ T0] x86/fpu: xstate_offset[6]: 896, xstate_sizes[6]: 512
[ 1.605009][ T0] x86/fpu: xstate_offset[7]: 1408, xstate_sizes[7]: 1024
[ 1.606252][ T0] x86/fpu: Enabled xstate features 0xe7, context size is 2432 bytes, using 'compacted' format.
[ 1.866766][ T0] Freeing SMP alternatives memory: 132K
[ 1.867814][ T0] pid_max: default: 32768 minimum: 301
[ 1.869415][ T0] landlock: Up and running.
[ 1.870032][ T0] Yama: becoming mindful.
[ 1.870959][ T0] TOMOYO Linux initialized
[ 1.871057][ T0] SELinux: Initializing.
[ 1.874129][ T0] LSM support for eBPF active
[ 1.880123][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage)
[ 1.883515][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage)
[ 1.885152][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.886737][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc)
[ 1.893567][ T0] Running RCU synchronous self tests
[ 1.894412][ T0] Running RCU synchronous self tests
[ 1.895522][ T0]
[ 1.895859][ T0] =============================
[ 1.896610][ T0] WARNING: suspicious RCU usage
[ 1.897319][ T0] syzkaller #0 Not tainted
[ 1.897989][ T0] -----------------------------
[ 1.898634][ T0] kernel/sched/core.c:8791 Illegal context switch in RCU-bh read-side critical section!
[ 1.899919][ T0]
[ 1.899919][ T0] other info that might help us debug this:
[ 1.899919][ T0]
[ 1.901007][ T0]
[ 1.901007][ T0] rcu_scheduler_active = 1, debug_locks = 1
[ 1.901007][ T0] no locks held by swapper/0/0.
[ 1.901007][ T0]
[ 1.901007][ T0] stack backtrace:
[ 1.901007][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 1.901007][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 1.901007][ T0] Call Trace:
[ 1.901007][ T0]
[ 1.901007][ T0] dump_stack_lvl+0x100/0x190
[ 1.901007][ T0] lockdep_rcu_suspicious.cold+0x4f/0xb1
[ 1.901007][ T0] __might_resched+0x289/0x330
[ 1.901007][ T0] ? __pfx___might_resched+0x10/0x10
[ 1.901007][ T0] ? start_kernel+0x47a/0x480
[ 1.901007][ T0] ? kernel_text_address+0x35/0x100
[ 1.901007][ T0] ? __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 1.901007][ T0] arch_stack_walk+0xe0/0x130
[ 1.901007][ T0] ? start_kernel+0x47a/0x480
[ 1.901007][ T0] stack_trace_save+0x8e/0xc0
[ 1.901007][ T0] ? __pfx_stack_trace_save+0x10/0x10
[ 1.901007][ T0] ? lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? __is_module_percpu_address+0x1b8/0x430
[ 1.901007][ T0] ? rcu_is_watching+0x12/0xc0
[ 1.901007][ T0] save_trace+0x4e/0x360
[ 1.901007][ T0] mark_lock+0x1cf/0xa20
[ 1.901007][ T0] ? lockdep_unlock+0x5a/0xc0
[ 1.901007][ T0] ? register_lock_class+0x187/0x560
[ 1.901007][ T0] __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] ? lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? find_held_lock+0x2b/0x80
[ 1.901007][ T0] lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? avc_compute_av+0xc2/0x820
[ 1.901007][ T0] ? cap_inode_killpriv+0x32/0x50
[ 1.901007][ T0] _raw_spin_lock_irqsave+0x3a/0x60
[ 1.901007][ T0] ? avc_compute_av+0xc2/0x820
[ 1.901007][ T0] avc_compute_av+0xc2/0x820
[ 1.901007][ T0] ? __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] avc_perm_nonode+0xb1/0x180
[ 1.901007][ T0] ? __pfx_avc_perm_nonode+0x10/0x10
[ 1.901007][ T0] ? find_held_lock+0x2b/0x80
[ 1.901007][ T0] ? avc_has_perm_noaudit+0x2b3/0x3b0
[ 1.901007][ T0] ? avc_has_perm_noaudit+0x2b3/0x3b0
[ 1.901007][ T0] avc_has_perm_noaudit+0x2d4/0x3b0
[ 1.901007][ T0] avc_has_perm+0xbd/0x1e0
[ 1.901007][ T0] ? __pfx_avc_has_perm+0x10/0x10
[ 1.901007][ T0] security_task_alloc+0x100/0x260
[ 1.901007][ T0] copy_process+0x25cc/0x7890
[ 1.901007][ T0] ? lockdep_unlock+0x5a/0xc0
[ 1.901007][ T0] ? __pfx_copy_process+0x10/0x10
[ 1.901007][ T0] ? __mutex_unlock_slowpath+0x15c/0x790
[ 1.901007][ T0] ? do_raw_spin_lock+0x128/0x260
[ 1.901007][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1.901007][ T0] ? mark_held_locks+0x40/0x70
[ 1.901007][ T0] kernel_clone+0xfc/0x930
[ 1.901007][ T0] ? synchronize_rcu_expedited+0x3c3/0x450
[ 1.901007][ T0] ? __pfx_kernel_clone+0x10/0x10
[ 1.901007][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1.901007][ T0] ? __pfx_kernel_init+0x10/0x10
[ 1.901007][ T0] user_mode_thread+0xcc/0x110
[ 1.901007][ T0] ? __pfx_user_mode_thread+0x10/0x10
[ 1.901007][ T0] ? __pfx_kernel_init+0x10/0x10
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] rest_init+0x21/0x260
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] start_kernel+0x47a/0x480
[ 1.901007][ T0] x86_64_start_reservations+0x24/0x30
[ 1.901007][ T0] x86_64_start_kernel+0x122/0x130
[ 1.901007][ T0] common_startup_64+0x13e/0x148
[ 1.901007][ T0]
[ 1.901007][ T0]
[ 1.901007][ T0] =============================
[ 1.901007][ T0] WARNING: suspicious RCU usage
[ 1.901007][ T0] syzkaller #0 Not tainted
[ 1.901007][ T0] -----------------------------
[ 1.901007][ T0] kernel/sched/core.c:8791 Illegal context switch in RCU-sched read-side critical section!
[ 1.901007][ T0]
[ 1.901007][ T0] other info that might help us debug this:
[ 1.901007][ T0]
[ 1.901007][ T0]
[ 1.901007][ T0] rcu_scheduler_active = 1, debug_locks = 1
[ 1.901007][ T0] no locks held by swapper/0/0.
[ 1.901007][ T0]
[ 1.901007][ T0] stack backtrace:
[ 1.901007][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 1.901007][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 1.901007][ T0] Call Trace:
[ 1.901007][ T0]
[ 1.901007][ T0] dump_stack_lvl+0x100/0x190
[ 1.901007][ T0] lockdep_rcu_suspicious.cold+0x4f/0xb1
[ 1.901007][ T0] __might_resched+0x2e0/0x330
[ 1.901007][ T0] ? __pfx___might_resched+0x10/0x10
[ 1.901007][ T0] ? start_kernel+0x47a/0x480
[ 1.901007][ T0] ? kernel_text_address+0x35/0x100
[ 1.901007][ T0] ? __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 1.901007][ T0] arch_stack_walk+0xe0/0x130
[ 1.901007][ T0] ? start_kernel+0x47a/0x480
[ 1.901007][ T0] stack_trace_save+0x8e/0xc0
[ 1.901007][ T0] ? __pfx_stack_trace_save+0x10/0x10
[ 1.901007][ T0] ? lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? __is_module_percpu_address+0x1b8/0x430
[ 1.901007][ T0] ? rcu_is_watching+0x12/0xc0
[ 1.901007][ T0] save_trace+0x4e/0x360
[ 1.901007][ T0] mark_lock+0x1cf/0xa20
[ 1.901007][ T0] ? lockdep_unlock+0x5a/0xc0
[ 1.901007][ T0] ? register_lock_class+0x187/0x560
[ 1.901007][ T0] __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] ? lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? find_held_lock+0x2b/0x80
[ 1.901007][ T0] lock_acquire+0x17c/0x330
[ 1.901007][ T0] ? avc_compute_av+0xc2/0x820
[ 1.901007][ T0] ? cap_inode_killpriv+0x32/0x50
[ 1.901007][ T0] _raw_spin_lock_irqsave+0x3a/0x60
[ 1.901007][ T0] ? avc_compute_av+0xc2/0x820
[ 1.901007][ T0] avc_compute_av+0xc2/0x820
[ 1.901007][ T0] ? __lock_acquire+0x4a5/0x2630
[ 1.901007][ T0] avc_perm_nonode+0xb1/0x180
[ 1.901007][ T0] ? __pfx_avc_perm_nonode+0x10/0x10
[ 1.901007][ T0] ? find_held_lock+0x2b/0x80
[ 1.901007][ T0] ? avc_has_perm_noaudit+0x2b3/0x3b0
[ 1.901007][ T0] ? avc_has_perm_noaudit+0x2b3/0x3b0
[ 1.901007][ T0] avc_has_perm_noaudit+0x2d4/0x3b0
[ 1.901007][ T0] avc_has_perm+0xbd/0x1e0
[ 1.901007][ T0] ? __pfx_avc_has_perm+0x10/0x10
[ 1.901007][ T0] security_task_alloc+0x100/0x260
[ 1.901007][ T0] copy_process+0x25cc/0x7890
[ 1.901007][ T0] ? lockdep_unlock+0x5a/0xc0
[ 1.901007][ T0] ? __pfx_copy_process+0x10/0x10
[ 1.901007][ T0] ? __mutex_unlock_slowpath+0x15c/0x790
[ 1.901007][ T0] ? do_raw_spin_lock+0x128/0x260
[ 1.901007][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1.901007][ T0] ? mark_held_locks+0x40/0x70
[ 1.901007][ T0] kernel_clone+0xfc/0x930
[ 1.901007][ T0] ? synchronize_rcu_expedited+0x3c3/0x450
[ 1.901007][ T0] ? __pfx_kernel_clone+0x10/0x10
[ 1.901007][ T0] ? __pfx___mutex_unlock_slowpath+0x10/0x10
[ 1.901007][ T0] ? __pfx_kernel_init+0x10/0x10
[ 1.901007][ T0] user_mode_thread+0xcc/0x110
[ 1.901007][ T0] ? __pfx_user_mode_thread+0x10/0x10
[ 1.901007][ T0] ? __pfx_kernel_init+0x10/0x10
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] rest_init+0x21/0x260
[ 1.901007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.901007][ T0] start_kernel+0x47a/0x480
[ 1.901007][ T0] x86_64_start_reservations+0x24/0x30
[ 1.901007][ T0] x86_64_start_kernel+0x122/0x130
[ 1.901007][ T0] common_startup_64+0x13e/0x148
[ 1.901007][ T0]
[ 1.911507][ T0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 1.912984][ T0] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/0
[ 1.914267][ T0] preempt_count: 2, expected: 0
[ 1.915191][ T0] RCU nest depth: 0, expected: 0
[ 1.915862][ T0] no locks held by swapper/0/0.
[ 1.916578][ T0] irq event stamp: 477708
[ 1.917326][ T0] hardirqs last enabled at (477707): [] _raw_spin_unlock_irqrestore+0x52/0x80
[ 1.918847][ T0] hardirqs last disabled at (477708): [] _raw_spin_lock_irqsave+0x52/0x60
[ 1.920294][ T0] softirqs last enabled at (477560): [] __irq_exit_rcu+0xef/0x150
[ 1.921007][ T0] softirqs last disabled at (477551): [] __irq_exit_rcu+0xef/0x150
[ 1.921007][ T0] Preemption disabled at:
[ 1.921007][ T0] [<0000000000000000>] 0x0
[ 1.921007][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted syzkaller #0 PREEMPT(full)
[ 1.921007][ T0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 1.921007][ T0] Call Trace:
[ 1.921007][ T0]
[ 1.921007][ T0] dump_stack_lvl+0x100/0x190
[ 1.921007][ T0] __might_resched.cold+0x1ec/0x232
[ 1.921007][ T0] ? __pfx___might_resched+0x10/0x10
[ 1.921007][ T0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 1.921007][ T0] arch_stack_walk+0xe0/0x130
[ 1.921007][ T0] ? stack_trace_save+0x8e/0xc0
[ 1.921007][ T0] stack_trace_save+0x8e/0xc0
[ 1.921007][ T0] ? __pfx_stack_trace_save+0x10/0x10
[ 1.921007][ T0] save_trace+0x4e/0x360
[ 1.921007][ T0] mark_lock+0x1cf/0xa20
[ 1.921007][ T0] ? lockdep_unlock+0x5a/0xc0
[ 1.921007][ T0] ? register_lock_class+0x187/0x560
[ 1.921007][ T0] __lock_acquire+0x4a5/0x2630
[ 1.921007][ T0] ? __lock_acquire+0x4a5/0x2630
[ 1.921007][ T0] lock_acquire+0x17c/0x330
[ 1.921007][ T0] ? complete+0x1d/0x200
[ 1.921007][ T0] ? lock_acquire+0x17c/0x330
[ 1.921007][ T0] _raw_spin_lock_irqsave+0x3a/0x60
[ 1.921007][ T0] ? complete+0x1d/0x200
[ 1.921007][ T0] complete+0x1d/0x200
[ 1.921007][ T0] rest_init+0x23d/0x260
[ 1.921007][ T0] ? __pfx_x86_late_time_init+0x10/0x10
[ 1.921007][ T0] start_kernel+0x47a/0x480
[ 1.921007][ T0] x86_64_start_reservations+0x24/0x30
[ 1.921007][ T0] x86_64_start_kernel+0x122/0x130
[ 1.921007][ T0] common_startup_64+0x13e/0x148
[ 1.921007][ T0]
[ 2.059591][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.80GHz (family: 0x6, model: 0x55, stepping: 0x7)
[ 2.061007][ T1] Performance Events: unsupported CPU family 6 model 85 no PMU driver, software events only.
[ 2.061007][ T1] signal: max sigframe size: 3632
[ 2.061007][ T1] rcu: Hierarchical SRCU implementation.
[ 2.061007][ T1] rcu: Max phase no-delay instances is 1000.
[ 2.061007][ T1] Timer migration: 1 hierarchy levels; 8 children per group; 0 crossnode level
[ 2.106437][ T1] NMI watchdog: Perf NMI watchdog permanently disabled
[ 2.108071][ T1] smp: Bringing up secondary CPUs ...
[ 2.110530][ T1] smpboot: x86: Booting SMP configuration:
[ 2.111079][ T1] .... node #0, CPUs: #1
[ 2.111483][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details.
[ 2.113324][ T1] MMIO Stale Data CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/processor_mmio_stale_data.html for more details.
[ 2.115955][ T1] smp: Brought up 2 nodes, 2 CPUs
[ 2.116767][ T1] smpboot: Total of 2 processors activated (11201.04 BogoMIPS)
[ 2.121607][ T1] Memory: 6446412K/8388204K available (171696K kernel code, 42590K rwdata, 41784K rodata, 27468K init, 122348K bss, 1752296K reserved, 0K cma-reserved)
[ 2.126206][ T1] devtmpfs: initialized
[ 2.126206][ T1] x86/mm: Memory block size: 128MB
[ 2.173434][ T1] Running RCU synchronous self tests
[ 2.174524][ T1] Running RCU synchronous self tests
[ 2.175460][ T1] Running RCU Tasks wait API self tests
[ 2.175460][ T1] Running RCU Tasks Trace wait API self tests
[ 2.221085][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns
[ 2.222748][ T1] posixtimers hash table entries: 1024 (order: 5, 73728 bytes, vmalloc)
[ 2.222748][ T1] futex hash table entries: 256 (32768 bytes on 2 NUMA nodes, total 64 KiB, linear).
[ 2.227447][ T1] PM: RTC time: 12:50:11, date: 2026-01-27
[ 2.235448][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 2.242786][ T1] audit: initializing netlink subsys (disabled)
[ 2.243859][ T30] audit: type=2000 audit(1769518211.248:1): state=initialized audit_enabled=0 res=1
[ 2.244494][ T1] thermal_sys: Registered thermal governor 'step_wise'
[ 2.244653][ T1] cpuidle: using governor menu
[ 2.251282][ T1] NET: Registered PF_QIPCRTR protocol family
[ 2.256972][ T1] dca service started, version 1.12.1
[ 2.257947][ T1] PCI: Using configuration type 1 for base access
[ 2.281114][ T1] HugeTLB: registered 1.00 GiB page size, pre-allocated 0 pages
[ 2.281114][ T1] HugeTLB: 16380 KiB vmemmap can be freed for a 1.00 GiB page
[ 2.281114][ T1] HugeTLB: registered 2.00 MiB page size, pre-allocated 0 pages
[ 2.282125][ T1] HugeTLB: 28 KiB vmemmap can be freed for a 2.00 MiB page
[ 2.291065][ T29] Callback from call_rcu_tasks_trace() invoked.
[ 2.324146][ T1] raid6: skipped pq benchmark and selected avx512x4
[ 2.325167][ T1] raid6: using avx512x2 recovery algorithm
[ 2.328557][ T1] ACPI: Added _OSI(Module Device)
[ 2.329370][ T1] ACPI: Added _OSI(Processor Device)
[ 2.330167][ T1] ACPI: Added _OSI(Processor Aggregator Device)
[ 2.501806][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded
[ 2.579045][ T1] ACPI: Interpreter enabled
[ 2.580279][ T1] ACPI: PM: (supports S0 S3 S4 S5)
[ 2.581019][ T1] ACPI: Using IOAPIC for interrupt routing
[ 2.582350][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug
[ 2.583769][ T1] PCI: Ignoring E820 reservations for host bridge windows
[ 2.590351][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F
[ 2.837598][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 2.838767][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 2.840025][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI]
[ 2.841982][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended configuration space under this bridge
[ 2.865440][ T1] PCI host bridge to bus 0000:00
[ 2.866361][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced
[ 2.868036][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 2.869329][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 2.870469][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 2.871047][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window]
[ 2.872652][ T1] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 2.873994][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 conventional PCI endpoint
[ 2.881727][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 conventional PCI endpoint
[ 2.893999][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 conventional PCI endpoint
[ 2.900794][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI
[ 2.906662][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 conventional PCI endpoint
[ 2.916970][ T1] pci 0000:00:03.0: BAR 0 [io 0xc000-0xc03f]
[ 2.918001][ T1] pci 0000:00:03.0: BAR 1 [mem 0xfe800000-0xfe80007f]
[ 2.923428][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 2.924920][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 2.926238][ T1] preempt_count: 2, expected: 0
[ 2.926901][ T1] RCU nest depth: 0, expected: 0
[ 2.927691][ T1] 3 locks held by swapper/0/1:
[ 2.928411][ T1] #0: ffffffff8f2148c8 (acpi_scan_lock){+.+.}-{4:4}, at: acpi_scan_init+0x2f0/0x6c0
[ 2.930076][ T1] #1: ffff8880b84398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 2.931053][ T1] #2: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 2.932709][ T1] Preemption disabled at:
[ 2.932719][ T1] [] __radix_tree_preload+0x2c/0x820
[ 2.934346][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 2.934374][ T1] Tainted: [W]=WARN
[ 2.934381][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 2.934393][ T1] Call Trace:
[ 2.934402][ T1]
[ 2.934410][ T1] dump_stack_lvl+0x100/0x190
[ 2.934438][ T1] __might_resched.cold+0x1ec/0x232
[ 2.934464][ T1] ? __pfx___might_resched+0x10/0x10
[ 2.934493][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 2.934523][ T1] arch_stack_walk+0xe0/0x130
[ 2.934555][ T1] ? bus_add_device+0xb8/0x4a0
[ 2.934589][ T1] stack_trace_save+0x8e/0xc0
[ 2.934617][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 2.934653][ T1] kasan_save_stack+0x30/0x50
[ 2.934676][ T1] ? kasan_save_stack+0x30/0x50
[ 2.934703][ T1] ? kasan_save_track+0x14/0x30
[ 2.934724][ T1] ? __kasan_slab_alloc+0x89/0x90
[ 2.934747][ T1] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 2.934771][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 2.934799][ T1] ? idr_get_free+0x52e/0xa00
[ 2.934815][ T1] ? idr_alloc_u32+0x1ac/0x320
[ 2.934833][ T1] ? idr_alloc_cyclic+0x10b/0x230
[ 2.934852][ T1] ? __kernfs_new_node+0x11a/0x960
[ 2.934879][ T1] ? kernfs_new_node+0x11b/0x1a0
[ 2.934898][ T1] ? __kernfs_create_file+0x53/0x350
[ 2.934921][ T1] ? sysfs_add_bin_file_mode_ns+0x127/0x2a0
[ 2.934948][ T1] ? internal_create_group+0x7ea/0xf40
[ 2.934976][ T1] ? internal_create_groups+0x9d/0x150
[ 2.935004][ T1] ? bus_add_device+0xb8/0x4a0
[ 2.935068][ T1] kasan_save_track+0x14/0x30
[ 2.935091][ T1] __kasan_slab_alloc+0x89/0x90
[ 2.935117][ T1] kmem_cache_alloc_noprof+0x2ad/0x780
[ 2.935142][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 2.935177][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 2.935205][ T1] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 2.935239][ T1] idr_get_free+0x52e/0xa00
[ 2.935270][ T1] idr_alloc_u32+0x1ac/0x320
[ 2.935293][ T1] ? __pfx_idr_alloc_u32+0x10/0x10
[ 2.935316][ T1] ? lock_acquire+0x17c/0x330
[ 2.935343][ T1] idr_alloc_cyclic+0x10b/0x230
[ 2.935366][ T1] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 2.935384][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 2.935417][ T1] __kernfs_new_node+0x11a/0x960
[ 2.935449][ T1] ? __pfx___kernfs_new_node+0x10/0x10
[ 2.935486][ T1] ? find_held_lock+0x2b/0x80
[ 2.935511][ T1] ? kernfs_root+0xee/0x2a0
[ 2.935538][ T1] ? kernfs_root+0xee/0x2a0
[ 2.935573][ T1] kernfs_new_node+0x11b/0x1a0
[ 2.935599][ T1] __kernfs_create_file+0x53/0x350
[ 2.935628][ T1] sysfs_add_bin_file_mode_ns+0x127/0x2a0
[ 2.935665][ T1] internal_create_group+0x7ea/0xf40
[ 2.935707][ T1] ? __pfx_internal_create_group+0x10/0x10
[ 2.935737][ T1] ? do_raw_spin_lock+0x128/0x260
[ 2.935759][ T1] ? find_held_lock+0x2b/0x80
[ 2.935784][ T1] ? bus_to_subsys+0x10f/0x150
[ 2.935809][ T1] ? bus_to_subsys+0x10f/0x150
[ 2.935839][ T1] internal_create_groups+0x9d/0x150
[ 2.935872][ T1] bus_add_device+0xb8/0x4a0
[ 2.935904][ T1] device_add+0x9cf/0x1950
[ 2.935931][ T1] ? __pfx_device_add+0x10/0x10
[ 2.935958][ T1] ? pcibios_device_add+0x492/0x600
[ 2.935984][ T1] ? up_write+0x290/0x4f0
[ 2.936004][ T1] ? pci_init_reset_methods+0x112/0x1d0
[ 2.936033][ T1] pci_device_add+0xcc3/0x1500
[ 2.936066][ T1] ? __pfx_pci_device_add+0x10/0x10
[ 2.936099][ T1] ? __raw_spin_lock_init+0x3a/0x110
[ 2.936127][ T1] pci_scan_single_device+0x252/0x310
[ 2.936157][ T1] ? __pfx_pci_scan_single_device+0x10/0x10
[ 2.936188][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.936209][ T1] ? klist_next+0x28e/0x510
[ 2.936232][ T1] pci_scan_slot+0x1c9/0x7c0
[ 2.936265][ T1] ? __pfx_pci_scan_slot+0x10/0x10
[ 2.936303][ T1] pci_scan_child_bus_extend+0x6b/0x7b0
[ 2.936332][ T1] ? __pfx_acpi_power_up_if_adr_present+0x10/0x10
[ 2.936359][ T1] ? pci_create_root_bus+0x23a/0x340
[ 2.936395][ T1] acpi_pci_root_create+0x6d6/0x8c0
[ 2.936432][ T1] pci_acpi_scan_root+0x4ae/0x5c0
[ 2.936456][ T1] ? __pfx_pci_acpi_scan_root+0x10/0x10
[ 2.936491][ T1] acpi_pci_root_add.cold+0x865/0x1646
[ 2.936536][ T1] ? __pfx_acpi_pci_root_add+0x10/0x10
[ 2.936580][ T1] ? __pfx_acpi_bus_get_status+0x10/0x10
[ 2.936610][ T1] ? __pfx___might_resched+0x10/0x10
[ 2.936640][ T1] acpi_bus_attach+0x640/0xc30
[ 2.936669][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.936689][ T1] ? __pfx_klist_children_put+0x10/0x10
[ 2.936722][ T1] ? mark_held_locks+0x40/0x70
[ 2.936741][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 2.936760][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 2.936782][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.936801][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.936825][ T1] acpi_dev_for_one_check+0x97/0xd0
[ 2.936854][ T1] ? __pfx_acpi_dev_for_one_check+0x10/0x10
[ 2.936882][ T1] device_for_each_child+0x11e/0x1a0
[ 2.936910][ T1] ? __pfx_device_for_each_child+0x10/0x10
[ 2.936940][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.936964][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.936986][ T1] acpi_dev_for_each_child+0x88/0xc0
[ 2.937015][ T1] ? __pfx_acpi_dev_for_each_child+0x10/0x10
[ 2.937043][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937071][ T1] acpi_bus_attach+0x92d/0xc30
[ 2.937100][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937120][ T1] ? __pfx_klist_children_put+0x10/0x10
[ 2.937148][ T1] ? mark_held_locks+0x40/0x70
[ 2.937168][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 2.937187][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 2.937207][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.937226][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937257][ T1] acpi_dev_for_one_check+0x97/0xd0
[ 2.937288][ T1] ? __pfx_acpi_dev_for_one_check+0x10/0x10
[ 2.937316][ T1] device_for_each_child+0x11e/0x1a0
[ 2.937345][ T1] ? __pfx_device_for_each_child+0x10/0x10
[ 2.937375][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.937399][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937421][ T1] acpi_dev_for_each_child+0x88/0xc0
[ 2.937454][ T1] ? __pfx_acpi_dev_for_each_child+0x10/0x10
[ 2.937482][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937505][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.937529][ T1] acpi_bus_attach+0x92d/0xc30
[ 2.937557][ T1] ? __pfx_acpi_bus_attach+0x10/0x10
[ 2.937580][ T1] ? acpi_ut_status_exit+0x111/0x1c0
[ 2.937605][ T1] ? __pfx_acpi_bus_check_add_1+0x10/0x10
[ 2.937631][ T1] ? acpi_walk_namespace+0x1ac/0x1d0
[ 2.937656][ T1] acpi_bus_scan+0xdc/0x4a0
[ 2.937680][ T1] ? acpi_ut_status_exit+0x111/0x1c0
[ 2.937707][ T1] ? __pfx_acpi_bus_scan+0x10/0x10
[ 2.937732][ T1] ? acpi_update_all_gpes+0x131/0x2b0
[ 2.937751][ T1] ? __pfx_acpi_update_all_gpes+0x10/0x10
[ 2.937791][ T1] acpi_scan_init+0x2f9/0x6c0
[ 2.937816][ T1] ? __pfx_acpi_scan_init+0x10/0x10
[ 2.937839][ T1] ? internal_create_groups+0x11a/0x150
[ 2.937880][ T1] ? __pci_mmcfg_init+0x2aa/0x2c0
[ 2.937916][ T1] acpi_init+0x9ed/0xab0
[ 2.937949][ T1] ? __pfx_acpi_init+0x10/0x10
[ 2.937993][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 2.938013][ T1] ? add_device_randomness+0xb7/0xf0
[ 2.938044][ T1] ? __pfx_fbmem_init+0x10/0x10
[ 2.938076][ T1] ? __pfx_acpi_init+0x10/0x10
[ 2.938098][ T1] do_one_initcall+0x11d/0x690
[ 2.938118][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 2.938163][ T1] kernel_init_freeable+0x6e5/0x790
[ 2.938185][ T1] ? __pfx_kernel_init+0x10/0x10
[ 2.938213][ T1] kernel_init+0x1f/0x1e0
[ 2.938237][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 2.938255][ T1] ? __pfx_kernel_init+0x10/0x10
[ 2.938279][ T1] ret_from_fork+0x754/0xaf0
[ 2.938305][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 2.938330][ T1] ? __switch_to+0x7b9/0x10c0
[ 2.938357][ T1] ? __pfx_kernel_init+0x10/0x10
[ 2.938385][ T1] ret_from_fork_asm+0x1a/0x30
[ 2.938419][ T1]
[ 2.943428][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 conventional PCI endpoint
[ 2.957947][ T1] pci 0000:00:04.0: BAR 0 [io 0xc040-0xc07f]
[ 2.958966][ T1] pci 0000:00:04.0: BAR 1 [mem 0xfe801000-0xfe80107f]
[ 2.966096][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 conventional PCI endpoint
[ 2.974377][ T1] pci 0000:00:05.0: BAR 0 [mem 0xfe000000-0xfe7fffff]
[ 2.976111][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff]
[ 2.985879][ T1] pci 0000:00:06.0: [1af4:1005] type 00 class 0x00ff00 conventional PCI endpoint
[ 2.995853][ T1] pci 0000:00:06.0: BAR 0 [io 0xc080-0xc09f]
[ 2.996924][ T1] pci 0000:00:06.0: BAR 1 [mem 0xfe802000-0xfe80203f]
[ 3.044542][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 3.053367][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 3.061980][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 3.070603][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 3.075087][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 3.101186][ T1] iommu: Default domain type: Translated
[ 3.102063][ T1] iommu: DMA domain TLB invalidation policy: lazy mode
[ 3.107049][ T1] SCSI subsystem initialized
[ 3.113161][ T1] ACPI: bus type USB registered
[ 3.114930][ T1] usbcore: registered new interface driver usbfs
[ 3.116437][ T1] usbcore: registered new interface driver hub
[ 3.117789][ T1] usbcore: registered new device driver usb
[ 3.122152][ T1] mc: Linux media interface: v0.10
[ 3.123457][ T1] videodev: Linux video capture interface: v2.00
[ 3.125504][ T1] pps_core: LinuxPPS API ver. 1 registered
[ 3.126459][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
[ 3.128077][ T1] PTP clock support registered
[ 3.131850][ T1] EDAC MC: Ver: 3.0.0
[ 3.146970][ T1] Advanced Linux Sound Architecture Driver Initialized.
[ 3.156146][ T1] Bluetooth: Core ver 2.22
[ 3.157084][ T1] NET: Registered PF_BLUETOOTH protocol family
[ 3.158152][ T1] Bluetooth: HCI device and connection manager initialized
[ 3.159239][ T1] Bluetooth: HCI socket layer initialized
[ 3.160111][ T1] Bluetooth: L2CAP socket layer initialized
[ 3.161139][ T1] Bluetooth: SCO socket layer initialized
[ 3.162185][ T1] NET: Registered PF_ATMPVC protocol family
[ 3.163232][ T1] NET: Registered PF_ATMSVC protocol family
[ 3.164575][ T1] NetLabel: Initializing
[ 3.165385][ T1] NetLabel: domain hash size = 128
[ 3.166288][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO
[ 3.167979][ T1] NetLabel: unlabeled traffic allowed by default
[ 3.171980][ T1] nfc: nfc_init: NFC Core ver 0.1
[ 3.173523][ T1] NET: Registered PF_NFC protocol family
[ 3.174466][ T1] mctp: management component transport protocol core
[ 3.175589][ T1] NET: Registered PF_MCTP protocol family
[ 3.176793][ T1] PCI: Using ACPI for IRQ routing
[ 3.179028][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device
[ 3.180222][ T1] pci 0000:00:05.0: vgaarb: bridge control possible
[ 3.181007][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none
[ 3.181025][ T1] vgaarb: loaded
[ 3.191420][ T1] clocksource: Switched to clocksource kvm-clock
[ 3.202308][ T1] VFS: Disk quotas dquot_6.6.0
[ 3.203301][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes)
[ 3.209966][ T1] netfs: FS-Cache loaded
[ 3.212907][ T1] CacheFiles: Loaded
[ 3.214434][ T1] TOMOYO: 2.6.0
[ 3.215160][ T1] Mandatory Access Control activated.
[ 3.216613][ T1] pnp: PnP ACPI init
[ 3.248583][ T1] pnp: PnP ACPI: found 7 devices
[ 3.332451][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns
[ 3.335398][ T1] NET: Registered PF_INET protocol family
[ 3.338048][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc)
[ 3.350508][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 7, 294912 bytes, vmalloc)
[ 3.352893][ T1] Table-perturb hash table entries: 65536 (order: 6, 262144 bytes, vmalloc)
[ 3.355572][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc)
[ 3.367597][ T1] TCP bind hash table entries: 65536 (order: 12, 9437184 bytes, vmalloc hugepage)
[ 3.374924][ T1] TCP: Hash tables configured (established 65536 bind 65536)
[ 3.378489][ T1] MPTCP token hash table entries: 8192 (order: 8, 720896 bytes, vmalloc)
[ 3.381840][ T1] UDP hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc)
[ 3.385744][ T1] UDP-Lite hash table entries: 4096 (order: 8, 1048576 bytes, vmalloc)
[ 3.389063][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family
[ 3.406816][ T1] RPC: Registered named UNIX socket transport module.
[ 3.408488][ T1] RPC: Registered udp transport module.
[ 3.409670][ T1] RPC: Registered tcp transport module.
[ 3.411087][ T1] RPC: Registered tcp-with-tls transport module.
[ 3.413003][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module.
[ 3.418769][ T1] NET: Registered PF_XDP protocol family
[ 3.420080][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window]
[ 3.421284][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window]
[ 3.422581][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window]
[ 3.424442][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window]
[ 3.427333][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers
[ 3.428723][ T1] PCI: CLS 0 bytes, default 64
[ 3.434921][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB)
[ 3.436046][ T1] software IO TLB: mapped [mem 0x00000000b4400000-0x00000000b8400000] (64MB)
[ 3.437589][ T1] ACPI: bus type thunderbolt registered
[ 3.445673][ T61] kworker/u8:3 (61) used greatest stack depth: 27288 bytes left
[ 3.451874][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer
[ 3.476109][ T1] kvm_amd: CPU 1 isn't AMD or Hygon
[ 3.477058][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x285d3845d96, max_idle_ns: 440795234894 ns
[ 3.478738][ T1] clocksource: Switched to clocksource tsc
[ 3.954800][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 3.956245][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 12, name: kworker/u8:0
[ 3.957479][ C1] preempt_count: 100, expected: 0
[ 3.958168][ C1] RCU nest depth: 0, expected: 0
[ 3.958841][ C1] 3 locks held by kworker/u8:0/12:
[ 3.959575][ C1] #0: ffff88801fac2948 ((wq_completion)eval_map_wq){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840
[ 3.961084][ C1] #1: ffffc90000117c98 ((work_completion)(&eval_map_work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840
[ 3.962897][ C1] #2: ffffffff8e67d7d0 (trace_event_sem){+.+.}-{4:4}, at: trace_event_update_all+0x32/0xb80
[ 3.964275][ C1] irq event stamp: 7045
[ 3.964734][ C1] hardirqs last enabled at (7044): [] _raw_spin_unlock_irq+0x23/0x50
[ 3.964734][ C1] hardirqs last disabled at (7045): [] _raw_spin_lock_irq+0x45/0x50
[ 3.964734][ C1] softirqs last enabled at (7032): [] __irq_exit_rcu+0xef/0x150
[ 3.964734][ C1] softirqs last disabled at (7037): [] __irq_exit_rcu+0xef/0x150
[ 3.964734][ C1] Preemption disabled at:
[ 3.964734][ C1] [] handle_softirqs+0xf0/0x910
[ 3.964734][ C1] CPU: 1 UID: 0 PID: 12 Comm: kworker/u8:0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 3.964734][ C1] Tainted: [W]=WARN
[ 3.964734][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 3.964734][ C1] Workqueue: eval_map_wq eval_map_work_func
[ 3.964734][ C1] Call Trace:
[ 3.964734][ C1]
[ 3.964734][ C1] dump_stack_lvl+0x100/0x190
[ 3.964734][ C1] __might_resched.cold+0x1ec/0x232
[ 3.964734][ C1] ? __pfx___might_resched+0x10/0x10
[ 3.964734][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 3.964734][ C1] arch_stack_walk+0xe0/0x130
[ 3.964734][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 3.964734][ C1] stack_trace_save+0x8e/0xc0
[ 3.964734][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 3.964734][ C1] ? find_held_lock+0x2b/0x80
[ 3.964734][ C1] ? select_task_rq_fair+0x588/0x5430
[ 3.964734][ C1] ? select_task_rq_fair+0x588/0x5430
[ 3.964734][ C1] save_trace+0x4e/0x360
[ 3.964734][ C1] mark_lock+0x1cf/0xa20
[ 3.964734][ C1] ? look_up_lock_class+0x55/0x120
[ 3.964734][ C1] ? lockdep_unlock+0x5a/0xc0
[ 3.964734][ C1] ? register_lock_class+0x187/0x560
[ 3.964734][ C1] __lock_acquire+0x103a/0x2630
[ 3.964734][ C1] ? __pfx_find_held_lock+0x10/0x10
[ 3.964734][ C1] lock_acquire+0x17c/0x330
[ 3.964734][ C1] ? call_timer_fn+0x11f/0x590
[ 3.964734][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 3.964734][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 3.964734][ C1] call_timer_fn+0x125/0x590
[ 3.964734][ C1] ? call_timer_fn+0x11f/0x590
[ 3.964734][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 3.964734][ C1] ? __run_timers+0x560/0xac0
[ 3.964734][ C1] ? __run_timers+0x560/0xac0
[ 3.964734][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 3.964734][ C1] __run_timers+0x570/0xac0
[ 3.964734][ C1] ? __pfx___run_timers+0x10/0x10
[ 3.964734][ C1] timer_expire_remote+0x102/0x170
[ 3.964734][ C1] ? __pfx_timer_expire_remote+0x10/0x10
[ 3.964734][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 3.964734][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 3.964734][ C1] tmigr_handle_remote_up+0x523/0xa50
[ 3.964734][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 3.964734][ C1] ? find_held_lock+0x2b/0x80
[ 3.964734][ C1] __walk_groups_from+0x56/0x190
[ 3.964734][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 3.964734][ C1] tmigr_handle_remote+0x2cb/0x380
[ 3.964734][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 3.964734][ C1] ? run_timer_base+0x121/0x190
[ 3.964734][ C1] ? __pfx_run_timer_base+0x10/0x10
[ 3.964734][ C1] run_timer_softirq+0x3a/0x50
[ 3.964734][ C1] handle_softirqs+0x1ea/0x910
[ 3.964734][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 3.964734][ C1] __irq_exit_rcu+0xef/0x150
[ 3.964734][ C1] irq_exit_rcu+0x9/0x30
[ 3.964734][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 3.964734][ C1]
[ 3.964734][ C1]
[ 3.964734][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 3.964734][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70
[ 3.964734][ C1] Code: 86 02 59 00 48 89 df 5b e9 0d 76 5e 00 be 03 00 00 00 5b e9 12 6b e0 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 0f 1e fa 65 8b 05 c5 54 dd 11 48 8b 34 24 65 48 8b 15 a1 54 dd
[ 3.964734][ C1] RSP: 0000:ffffc90000117b18 EFLAGS: 00000246
[ 3.964734][ C1] RAX: 0000000000000000 RBX: 000000000000007d RCX: ffffffff8210c8ab
[ 3.964734][ C1] RDX: 0000000000000003 RSI: ffffffff8210c8b9 RDI: ffff88801decc980
[ 3.964734][ C1] RBP: ffffffff8ec42e33 R08: 0000000000000001 R09: 000000000000005f
[ 3.964734][ C1] R10: 0000000000000020 R11: 0000000000000000 R12: ffffffff8ec42e32
[ 3.964734][ C1] R13: ffffffff925f1090 R14: dffffc0000000000 R15: 0000000000000000
[ 3.964734][ C1] ? trace_event_update_all+0x38b/0xb80
[ 3.964734][ C1] ? trace_event_update_all+0x399/0xb80
[ 3.964734][ C1] trace_event_update_all+0x3c7/0xb80
[ 3.964734][ C1] eval_map_work_func+0x3d/0x50
[ 3.964734][ C1] process_one_work+0x9c2/0x1840
[ 3.964734][ C1] ? __pfx_process_one_work+0x10/0x10
[ 3.964734][ C1] ? assign_work+0x19c/0x250
[ 3.964734][ C1] worker_thread+0x5da/0xe40
[ 3.964734][ C1] ? kthread+0x17d/0x730
[ 3.964734][ C1] ? __pfx_worker_thread+0x10/0x10
[ 3.964734][ C1] kthread+0x3b3/0x730
[ 3.964734][ C1] ? __pfx_kthread+0x10/0x10
[ 3.964734][ C1] ? ret_from_fork+0x79/0xaf0
[ 3.964734][ C1] ? ret_from_fork+0x79/0xaf0
[ 3.964734][ C1] ? rcu_is_watching+0x12/0xc0
[ 3.964734][ C1] ? __pfx_kthread+0x10/0x10
[ 3.964734][ C1] ret_from_fork+0x754/0xaf0
[ 3.964734][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 3.964734][ C1] ? __switch_to+0x7b9/0x10c0
[ 3.964734][ C1] ? __pfx_kthread+0x10/0x10
[ 3.964734][ C1] ret_from_fork_asm+0x1a/0x30
[ 3.964734][ C1]
[ 6.114810][ T48] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 6.116360][ T48] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 48, name: kworker/1:1
[ 6.117584][ T48] preempt_count: 1, expected: 0
[ 6.118232][ T48] RCU nest depth: 0, expected: 0
[ 6.118892][ T48] 3 locks held by kworker/1:1/48:
[ 6.119593][ T48] #0: ffff88813fe51948 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840
[ 6.121377][ T48] #1: ffffc90000b87c98 ((work_completion)(&(&group->avgs_work)->work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840
[ 6.123263][ T48] #2: ffffffff8e4cd998 (&group->avgs_lock){+.+.}-{4:4}, at: psi_avgs_work+0x84/0x200
[ 6.124666][ T48] irq event stamp: 222
[ 6.124728][ T48] hardirqs last enabled at (221): [] collect_percpu_times+0x72a/0xe40
[ 6.124728][ T48] hardirqs last disabled at (222): [] queue_delayed_work_on+0xf1/0x1e0
[ 6.124728][ T48] softirqs last enabled at (24): [] process_one_work+0x9c2/0x1840
[ 6.124728][ T48] softirqs last disabled at (20): [] neigh_managed_work+0x39/0x260
[ 6.124728][ T48] Preemption disabled at:
[ 6.124728][ T48] [<0000000000000000>] 0x0
[ 6.124728][ T48] CPU: 1 UID: 0 PID: 48 Comm: kworker/1:1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 6.124728][ T48] Tainted: [W]=WARN
[ 6.124728][ T48] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 6.124728][ T48] Workqueue: events psi_avgs_work
[ 6.124728][ T48] Call Trace:
[ 6.124728][ T48]
[ 6.124728][ T48] dump_stack_lvl+0x100/0x190
[ 6.124728][ T48] __might_resched.cold+0x1ec/0x232
[ 6.124728][ T48] ? __pfx___might_resched+0x10/0x10
[ 6.124728][ T48] ? check_irq_usage+0xe5/0x810
[ 6.124728][ T48] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 6.124728][ T48] arch_stack_walk+0xe0/0x130
[ 6.124728][ T48] ? ret_from_fork_asm+0x1a/0x30
[ 6.124728][ T48] stack_trace_save+0x8e/0xc0
[ 6.124728][ T48] ? __pfx_stack_trace_save+0x10/0x10
[ 6.124728][ T48] ? check_noncircular+0x97/0x160
[ 6.124728][ T48] save_trace+0x4e/0x360
[ 6.124728][ T48] __lock_acquire+0x1d42/0x2630
[ 6.124728][ T48] lock_acquire+0x17c/0x330
[ 6.124728][ T48] ? debug_object_assert_init+0x142/0x300
[ 6.124728][ T48] ? __pfx_debug_objects_fill_pool+0x10/0x10
[ 6.124728][ T48] _raw_spin_lock_irqsave+0x3a/0x60
[ 6.124728][ T48] ? debug_object_assert_init+0x142/0x300
[ 6.124728][ T48] debug_object_assert_init+0x142/0x300
[ 6.124728][ T48] ? __pfx_debug_object_assert_init+0x10/0x10
[ 6.124728][ T48] ? kthread_data+0x53/0xc0
[ 6.124728][ T48] ? current_work+0xbe/0xe0
[ 6.124728][ T48] ? nsecs_to_jiffies+0xd/0x30
[ 6.124728][ T48] ? collect_percpu_times+0x4f4/0xe40
[ 6.124728][ T48] __mod_timer+0xad/0xca0
[ 6.124728][ T48] ? __pfx___mod_timer+0x10/0x10
[ 6.124728][ T48] ? __pfx_collect_percpu_times+0x10/0x10
[ 6.124728][ T48] ? do_raw_spin_lock+0x128/0x260
[ 6.124728][ T48] add_timer_global+0x8e/0xd0
[ 6.124728][ T48] __queue_delayed_work+0x33f/0x470
[ 6.124728][ T48] queue_delayed_work_on+0x180/0x1e0
[ 6.124728][ T48] psi_avgs_work+0x1a3/0x200
[ 6.124728][ T48] ? __pfx_psi_avgs_work+0x10/0x10
[ 6.124728][ T48] ? process_one_work+0x80b/0x1840
[ 6.124728][ T48] ? rcu_is_watching+0x12/0xc0
[ 6.124728][ T48] process_one_work+0x9c2/0x1840
[ 6.124728][ T48] ? __pfx_process_one_work+0x10/0x10
[ 6.124728][ T48] ? assign_work+0x19c/0x250
[ 6.124728][ T48] worker_thread+0x5da/0xe40
[ 6.124728][ T48] ? __pfx_worker_thread+0x10/0x10
[ 6.124728][ T48] ? kthread+0x17d/0x730
[ 6.124728][ T48] ? __pfx_worker_thread+0x10/0x10
[ 6.124728][ T48] kthread+0x3b3/0x730
[ 6.124728][ T48] ? __pfx_kthread+0x10/0x10
[ 6.124728][ T48] ? ret_from_fork+0x79/0xaf0
[ 6.124728][ T48] ? ret_from_fork+0x79/0xaf0
[ 6.124728][ T48] ? rcu_is_watching+0x12/0xc0
[ 6.124728][ T48] ? __pfx_kthread+0x10/0x10
[ 6.124728][ T48] ret_from_fork+0x754/0xaf0
[ 6.124728][ T48] ? __pfx_ret_from_fork+0x10/0x10
[ 6.124728][ T48] ? __switch_to+0x7b9/0x10c0
[ 6.124728][ T48] ? __pfx_kthread+0x10/0x10
[ 6.124728][ T48] ret_from_fork_asm+0x1a/0x30
[ 6.124728][ T48]
[ 7.260788][ T13] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 7.262416][ T13] in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 13, name: kworker/u8:1
[ 7.263895][ T13] preempt_count: 0, expected: 0
[ 7.264597][ T13] RCU nest depth: 0, expected: 0
[ 7.265276][ T13] 4 locks held by kworker/u8:1/13:
[ 7.266023][ T13] #0: ffff88801fac2948 ((wq_completion)eval_map_wq){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840
[ 7.267731][ T13] #1: ffffc90000127c98 ((work_completion)(&tracerfs_init_work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840
[ 7.269410][ T13] #2: ffffffff8e686d48 (event_mutex){+.+.}-{4:4}, at: event_trace_init+0x51/0x130
[ 7.270645][ T13] #3: ffffffff8e67d7d0 (trace_event_sem){+.+.}-{4:4}, at: event_trace_init+0x7b/0x130
[ 7.270645][ T13] irq event stamp: 1564
[ 7.270645][ T13] hardirqs last enabled at (1563): [] _raw_spin_unlock_irqrestore+0x52/0x80
[ 7.270645][ T13] hardirqs last disabled at (1564): [] bad_range+0x231/0x400
[ 7.270645][ T13] softirqs last enabled at (382): [] kernel_fpu_end+0x5f/0x80
[ 7.270645][ T13] softirqs last disabled at (380): [] kernel_fpu_begin_mask+0x1c6/0x300
[ 7.270645][ T13] CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 7.270645][ T13] Tainted: [W]=WARN
[ 7.270645][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 7.270645][ T13] Workqueue: eval_map_wq tracer_init_tracefs_work_func
[ 7.270645][ T13] Call Trace:
[ 7.270645][ T13]
[ 7.270645][ T13] dump_stack_lvl+0x100/0x190
[ 7.270645][ T13] __might_resched.cold+0x1ec/0x232
[ 7.270645][ T13] ? __pfx___might_resched+0x10/0x10
[ 7.270645][ T13] ? event_trace_init+0x83/0x130
[ 7.270645][ T13] ? kernel_text_address+0x35/0x100
[ 7.270645][ T13] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 7.270645][ T13] arch_stack_walk+0xe0/0x130
[ 7.270645][ T13] ? event_trace_init+0x83/0x130
[ 7.270645][ T13] stack_trace_save+0x8e/0xc0
[ 7.270645][ T13] ? __pfx_stack_trace_save+0x10/0x10
[ 7.270645][ T13] ? check_noncircular+0x97/0x160
[ 7.270645][ T13] save_trace+0x4e/0x360
[ 7.270645][ T13] __lock_acquire+0x1d42/0x2630
[ 7.270645][ T13] ? __lock_acquire+0x4a5/0x2630
[ 7.270645][ T13] lock_acquire+0x17c/0x330
[ 7.270645][ T13] ? get_page_from_freelist+0xe1a/0x2e10
[ 7.270645][ T13] ? __rmqueue_pcplist+0x1d8/0x16f0
[ 7.270645][ T13] bad_range+0x24f/0x400
[ 7.270645][ T13] ? get_page_from_freelist+0xe1a/0x2e10
[ 7.270645][ T13] get_page_from_freelist+0xe1a/0x2e10
[ 7.270645][ T13] ? prepare_alloc_pages+0x16d/0x5f0
[ 7.270645][ T13] __alloc_frozen_pages_noprof+0x26c/0x2410
[ 7.270645][ T13] ? __lock_acquire+0x4a5/0x2630
[ 7.270645][ T13] ? __lock_acquire+0x4a5/0x2630
[ 7.270645][ T13] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 7.270645][ T13] ? unwind_next_frame+0x3be/0x1ea0
[ 7.270645][ T13] ? unwind_next_frame+0x3be/0x1ea0
[ 7.270645][ T13] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 7.270645][ T13] ? policy_nodemask+0xed/0x4f0
[ 7.270645][ T13] alloc_pages_mpol+0x1fb/0x550
[ 7.270645][ T13] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 7.270645][ T13] ? ret_from_fork_asm+0x1a/0x30
[ 7.270645][ T13] alloc_pages_noprof+0x131/0x390
[ 7.270645][ T13] stack_depot_save_flags+0x905/0x9c0
[ 7.270645][ T13] kasan_save_stack+0x3f/0x50
[ 7.270645][ T13] ? kasan_save_stack+0x30/0x50
[ 7.270645][ T13] ? kasan_save_track+0x14/0x30
[ 7.270645][ T13] ? __kasan_kmalloc+0xaa/0xb0
[ 7.270645][ T13] ? event_create_dir+0x7d5/0xc20
[ 7.270645][ T13] ? __trace_early_add_event_dirs+0x7e/0xf0
[ 7.270645][ T13] ? event_trace_init+0x83/0x130
[ 7.270645][ T13] ? tracer_init_tracefs_work_func+0x19/0x440
[ 7.270645][ T13] ? process_one_work+0x9c2/0x1840
[ 7.270645][ T13] ? worker_thread+0x5da/0xe40
[ 7.270645][ T13] ? kthread+0x3b3/0x730
[ 7.270645][ T13] ? ret_from_fork+0x754/0xaf0
[ 7.270645][ T13] ? ret_from_fork_asm+0x1a/0x30
[ 7.270645][ T13] kasan_save_track+0x14/0x30
[ 7.270645][ T13] __kasan_kmalloc+0xaa/0xb0
[ 7.270645][ T13] event_create_dir+0x7d5/0xc20
[ 7.270645][ T13] __trace_early_add_event_dirs+0x7e/0xf0
[ 7.270645][ T13] event_trace_init+0x83/0x130
[ 7.270645][ T13] tracer_init_tracefs_work_func+0x19/0x440
[ 7.270645][ T13] process_one_work+0x9c2/0x1840
[ 7.270645][ T13] ? __pfx_process_one_work+0x10/0x10
[ 7.270645][ T13] ? assign_work+0x19c/0x250
[ 7.270645][ T13] worker_thread+0x5da/0xe40
[ 7.270645][ T13] ? kthread+0x17d/0x730
[ 7.270645][ T13] ? __pfx_worker_thread+0x10/0x10
[ 7.270645][ T13] kthread+0x3b3/0x730
[ 7.270645][ T13] ? __pfx_kthread+0x10/0x10
[ 7.270645][ T13] ? ret_from_fork+0x79/0xaf0
[ 7.270645][ T13] ? ret_from_fork+0x79/0xaf0
[ 7.270645][ T13] ? rcu_is_watching+0x12/0xc0
[ 7.270645][ T13] ? __pfx_kthread+0x10/0x10
[ 7.270645][ T13] ret_from_fork+0x754/0xaf0
[ 7.270645][ T13] ? __pfx_ret_from_fork+0x10/0x10
[ 7.270645][ T13] ? __switch_to+0x7b9/0x10c0
[ 7.270645][ T13] ? __pfx_kthread+0x10/0x10
[ 7.270645][ T13] ret_from_fork_asm+0x1a/0x30
[ 7.270645][ T13]
[ 7.368560][ T28] Callback from call_rcu_tasks() invoked.
[ 7.369466][ T1] Initialise system trusted keyrings
[ 7.371838][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0
[ 7.377984][ T1] DLM installed
[ 7.381003][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher
[ 7.386695][ T1] NFS: Registering the id_resolver key type
[ 7.387931][ T1] Key type id_resolver registered
[ 7.388682][ T1] Key type id_legacy registered
[ 7.389477][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
[ 7.390770][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering...
[ 7.400018][ T1] Key type cifs.spnego registered
[ 7.400982][ T1] Key type cifs.idmap registered
[ 7.403413][ T1] ntfs3: Enabled Linux POSIX ACLs support
[ 7.404424][ T1] ntfs3: Read-only LZX/Xpress compression included
[ 7.406055][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/
[ 7.406944][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc.
[ 7.409429][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc.
[ 7.410403][ T1] QNX4 filesystem 0.2.3 registered.
[ 7.411129][ T1] qnx6: QNX6 filesystem 1.0.0 registered.
[ 7.412719][ T1] fuse: init (API version 7.45)
[ 7.415773][ T1] orangefs_debugfs_init: called with debug mask: :none: :0:
[ 7.417611][ T1] orangefs_init: module version upstream loaded
[ 7.418864][ T1] JFS: nTxBlock = 8192, nTxLock = 65536
[ 7.427885][ T1] SGI XFS with ACLs, security attributes, realtime, quota, no debug enabled
[ 7.431980][ T1] 9p: Installing v9fs 9p2000 file system support
[ 7.433198][ T1] NILFS version 2 loaded
[ 7.433825][ T1] befs: version: 0.9.3
[ 7.434916][ T1] ocfs2: Registered cluster interface o2cb
[ 7.436425][ T1] ocfs2: Registered cluster interface user
[ 7.437559][ T1] OCFS2 User DLM kernel interface loaded
[ 7.449770][ T1] gfs2: GFS2 installed
[ 7.457515][ T1] ceph: loaded (mds proto 32)
[ 7.465499][ T1] cryptd: max_cpu_qlen set to 1000
[ 7.493289][ T1] NET: Registered PF_ALG protocol family
[ 7.494362][ T1] xor: automatically using best checksumming function avx
[ 7.495742][ T1] async_tx: api initialized (async)
[ 7.496548][ T1] Key type asymmetric registered
[ 7.497347][ T1] Asymmetric key parser 'x509' registered
[ 7.498392][ T1] Asymmetric key parser 'pkcs8' registered
[ 7.499181][ T1] Key type pkcs7_test registered
[ 7.500201][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 239)
[ 7.502019][ T1] io scheduler mq-deadline registered
[ 7.502906][ T1] io scheduler kyber registered
[ 7.503872][ T1] io scheduler bfq registered
[ 7.516676][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0
[ 7.525797][ T1] ACPI: button: Power Button [PWRF]
[ 7.527669][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1
[ 7.530183][ T1] ACPI: button: Sleep Button [SLPF]
[ 7.539465][ T1] ioatdma: Intel(R) QuickData Technology Driver 5.00
[ 7.561827][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11
[ 7.562740][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver
[ 7.586476][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10
[ 7.587442][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver
[ 7.609834][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10
[ 7.610892][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver
[ 7.958450][ T636] kworker/u8:1 (636) used greatest stack depth: 26936 bytes left
[ 8.007811][ T1] N_HDLC line discipline registered with maxframe=4096
[ 8.009169][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled
[ 8.013346][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A
[ 8.024226][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A
[ 8.034271][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A
[ 8.044174][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A
[ 8.060850][ T1] Non-volatile memory driver v1.3
[ 8.073287][ T1] Linux agpgart interface v0.103
[ 8.077015][ T1] usbcore: registered new interface driver xillyusb
[ 8.081550][ T1] ACPI: bus type drm_connector registered
[ 8.087792][ T1] [drm] Initialized vgem 1.0.0 for vgem on minor 0
[ 8.095055][ T1] [drm] Initialized vkms 1.0.0 for vkms on minor 1
[ 8.209296][ T1] Console: switching to colour frame buffer device 128x48
[ 8.254843][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 8.254861][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0
[ 8.254871][ C0] preempt_count: 101, expected: 0
[ 8.254877][ C0] RCU nest depth: 0, expected: 0
[ 8.254883][ C0] 1 lock held by swapper/0/0:
[ 8.254890][ C0] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 8.254927][ C0] Preemption disabled at:
[ 8.254931][ C0] [] schedule_preempt_disabled+0x1d/0x30
[ 8.254951][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 8.254976][ C0] Tainted: [W]=WARN
[ 8.254980][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 8.254988][ C0] Call Trace:
[ 8.254992][ C0]
[ 8.254998][ C0] dump_stack_lvl+0x100/0x190
[ 8.255015][ C0] __might_resched.cold+0x1ec/0x232
[ 8.255031][ C0] ? __pfx___might_resched+0x10/0x10
[ 8.255049][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 8.255067][ C0] arch_stack_walk+0xe0/0x130
[ 8.255085][ C0] ? default_idle+0x9/0x10
[ 8.255101][ C0] stack_trace_save+0x8e/0xc0
[ 8.255117][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 8.255136][ C0] ? __lock_acquire+0x4a5/0x2630
[ 8.255149][ C0] kasan_save_stack+0x30/0x50
[ 8.255163][ C0] ? kasan_save_stack+0x30/0x50
[ 8.255176][ C0] ? kasan_save_track+0x14/0x30
[ 8.255188][ C0] ? kasan_save_free_info+0x3b/0x70
[ 8.255198][ C0] ? __kasan_slab_free+0x5f/0x80
[ 8.255216][ C0] ? kfree+0x1c7/0x690
[ 8.255226][ C0] ? security_cred_free+0xc8/0x1e0
[ 8.255240][ C0] ? put_cred_rcu+0x6a/0x580
[ 8.255254][ C0] ? rcu_core+0x7c0/0x15c0
[ 8.255266][ C0] ? handle_softirqs+0x1ea/0x910
[ 8.255281][ C0] ? __irq_exit_rcu+0xef/0x150
[ 8.255296][ C0] ? irq_exit_rcu+0x9/0x30
[ 8.255311][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 8.255322][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 8.255335][ C0] ? pv_native_safe_halt+0xf/0x20
[ 8.255345][ C0] ? default_idle+0x9/0x10
[ 8.255376][ C0] kasan_save_track+0x14/0x30
[ 8.255389][ C0] kasan_save_free_info+0x3b/0x70
[ 8.255400][ C0] __kasan_slab_free+0x5f/0x80
[ 8.255415][ C0] kfree+0x1c7/0x690
[ 8.255425][ C0] ? security_cred_free+0xc8/0x1e0
[ 8.255440][ C0] ? rcu_core+0x7bb/0x15c0
[ 8.255456][ C0] ? security_cred_free+0xc8/0x1e0
[ 8.255470][ C0] ? hook_cred_free+0xcf/0x100
[ 8.255483][ C0] security_cred_free+0xc8/0x1e0
[ 8.255497][ C0] put_cred_rcu+0x6a/0x580
[ 8.255512][ C0] ? rcu_core+0x7bb/0x15c0
[ 8.255524][ C0] rcu_core+0x7c0/0x15c0
[ 8.255541][ C0] ? __pfx_rcu_core+0x10/0x10
[ 8.255553][ C0] ? ktime_get+0x1a7/0x300
[ 8.255581][ C0] handle_softirqs+0x1ea/0x910
[ 8.255599][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 8.255619][ C0] __irq_exit_rcu+0xef/0x150
[ 8.255634][ C0] irq_exit_rcu+0x9/0x30
[ 8.255649][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 8.255661][ C0]
[ 8.255665][ C0]
[ 8.255669][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 8.255682][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 8.255694][ C0] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 8.255705][ C0] RSP: 0000:ffffffff8e207e00 EFLAGS: 00000242
[ 8.255714][ C0] RAX: 0000000000077db3 RBX: ffffffff8e297ac0 RCX: ffffffff8b76c4b5
[ 8.255722][ C0] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 8.255730][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed101708673d
[ 8.255737][ C0] R10: ffff8880b84339eb R11: 0000000000000000 R12: fffffbfff1c52f58
[ 8.255744][ C0] R13: 0000000000000000 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 8.255755][ C0] ? ct_kernel_exit+0x125/0x180
[ 8.255770][ C0] default_idle+0x9/0x10
[ 8.255783][ C0] default_idle_call+0x6c/0xb0
[ 8.255797][ C0] do_idle+0x35b/0x4b0
[ 8.255813][ C0] ? __pfx_do_idle+0x10/0x10
[ 8.255832][ C0] cpu_startup_entry+0x4f/0x60
[ 8.255848][ C0] rest_init+0x251/0x260
[ 8.255863][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 8.255877][ C0] start_kernel+0x47a/0x480
[ 8.255889][ C0] x86_64_start_reservations+0x24/0x30
[ 8.255901][ C0] x86_64_start_kernel+0x122/0x130
[ 8.255914][ C0] common_startup_64+0x13e/0x148
[ 8.255937][ C0]
[ 8.357370][ T1] faux_driver vkms: [drm] fb0: vkmsdrmfb frame buffer device
[ 8.359049][ T1] usbcore: registered new interface driver udl
[ 8.362372][ T1] usbcore: registered new interface driver gm12u320
[ 8.363805][ T1] usbcore: registered new interface driver gud
[ 8.422322][ T1] brd: module loaded
[ 8.580818][ T1] loop: module loaded
[ 8.751548][ T1] zram: Added device: zram0
[ 8.761806][ T1] null_blk: disk nullb0 created
[ 8.762684][ T1] null_blk: module loaded
[ 8.764831][ T1] Guest personality initialized and is inactive
[ 8.766339][ T1] VMCI host device registered (name=vmci, major=10, minor=266)
[ 8.767552][ T1] Initialized host personality
[ 8.768505][ T1] usbcore: registered new interface driver rtsx_usb
[ 8.772089][ T1] usbcore: registered new interface driver viperboard
[ 8.773833][ T1] usbcore: registered new interface driver dln2
[ 8.775757][ T1] usbcore: registered new interface driver pn533_usb
[ 8.781038][ T1] nfcsim 0.2 initialized
[ 8.782199][ T1] usbcore: registered new interface driver port100
[ 8.783740][ T1] usbcore: registered new interface driver nfcmrvl
[ 8.790100][ T1] Loading iSCSI transport class v2.0-870.
[ 8.807387][ T1] virtio_scsi virtio0: 1/0/0 default/read/poll queues
[ 8.820543][ T1] scsi host0: Virtio SCSI HBA
[ 8.821457][ T1] blk-mq: reduced tag depth to 10240
[ 8.912191][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256
[ 8.920346][ T12] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6
[ 8.952335][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288
[ 8.957163][ T1] db_root: cannot open: /etc/target
[ 8.960178][ T1] slram: not enough parameters.
[ 8.972543][ T1] ftl_cs: FTL header not found.
[ 9.043447][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information.
[ 9.045423][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved.
[ 9.046897][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com)
[ 9.064637][ T1] MACsec IEEE 802.1AE
[ 9.080048][ T1] usbcore: registered new interface driver mvusb_mdio
[ 9.083131][ T1] tun: Universal TUN/TAP device driver, 1.6
[ 9.139347][ T1] vcan: Virtual CAN interface driver
[ 9.140185][ T1] vxcan: Virtual CAN Tunnel driver
[ 9.140928][ T1] slcan: serial line CAN interface driver
[ 9.141801][ T1] CAN device driver interface
[ 9.142903][ T1] usbcore: registered new interface driver usb_8dev
[ 9.144322][ T1] usbcore: registered new interface driver ems_usb
[ 9.146130][ T1] usbcore: registered new interface driver esd_usb
[ 9.147526][ T1] usbcore: registered new interface driver etas_es58x
[ 9.148957][ T1] usbcore: registered new interface driver f81604
[ 9.150880][ T1] usbcore: registered new interface driver gs_usb
[ 9.152268][ T1] usbcore: registered new interface driver kvaser_usb
[ 9.154091][ T1] usbcore: registered new interface driver mcba_usb
[ 9.155758][ T1] usbcore: registered new interface driver peak_usb
[ 9.157302][ T1] usbcore: registered new interface driver ucan
[ 9.159313][ T1] e100: Intel(R) PRO/100 Network Driver
[ 9.160249][ T1] e100: Copyright(c) 1999-2006 Intel Corporation
[ 9.161992][ T1] e1000: Intel(R) PRO/1000 Network Driver
[ 9.162976][ T1] e1000: Copyright (c) 1999-2006 Intel Corporation.
[ 9.164519][ T1] e1000e: Intel(R) PRO/1000 Network Driver
[ 9.166432][ T1] e1000e: Copyright(c) 1999 - 2015 Intel Corporation.
[ 9.169673][ T1] mkiss: AX.25 Multikiss, Hans Albas PE1AYX
[ 9.170876][ T1] AX.25: bpqether driver version 004
[ 9.171680][ T1] PPP generic driver version 2.4.2
[ 9.177386][ T1] PPP BSD Compression module registered
[ 9.178525][ T1] PPP Deflate Compression module registered
[ 9.179399][ T1] PPP MPPE Compression module registered
[ 9.180248][ T1] NET: Registered PF_PPPOX protocol family
[ 9.181285][ T1] PPTP driver version 0.8.5
[ 9.182705][ T1] SLIP: version 0.8.4-NET3.019-NEWTTY (dynamic channels, max=256) (6 bit encapsulation enabled).
[ 9.184343][ T1] CSLIP: code copyright 1989 Regents of the University of California.
[ 9.186194][ T1] SLIP linefill/keepalive option.
[ 9.187127][ T1] hdlc: HDLC support module revision 1.22
[ 9.188149][ T1] LAPB Ethernet driver version 0.02
[ 9.190408][ T1] usbcore: registered new interface driver ath9k_htc
[ 9.193324][ T1] usbcore: registered new interface driver carl9170
[ 9.195106][ T1] usbcore: registered new interface driver ath6kl_usb
[ 9.197228][ T1] usbcore: registered new interface driver ar5523
[ 9.199824][ T1] usbcore: registered new interface driver ath10k_usb
[ 9.201450][ T1] usbcore: registered new interface driver plfxlc
[ 9.203752][ T1] mac80211_hwsim: initializing netlink
[ 9.254200][ T1] usbcore: registered new interface driver atusb
[ 9.255133][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 9.255150][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1223, name: kworker/u8:2
[ 9.255165][ C0] preempt_count: 100, expected: 0
[ 9.255175][ C0] RCU nest depth: 1, expected: 0
[ 9.255186][ C0] 2 locks held by kworker/u8:2/1223:
[ 9.255198][ C0] #0: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x1ea0
[ 9.255266][ C0] #1: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 9.255327][ C0] Preemption disabled at:
[ 9.255333][ C0] [] handle_softirqs+0xf0/0x910
[ 9.255383][ C0] CPU: 0 UID: 0 PID: 1223 Comm: kworker/u8:2 Tainted: G W syzkaller #0 PREEMPT(full)
[ 9.255414][ C0] Tainted: [W]=WARN
[ 9.255422][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 9.255434][ C0] Call Trace:
[ 9.255447][ C0]
[ 9.255456][ C0] dump_stack_lvl+0x100/0x190
[ 9.255486][ C0] __might_resched.cold+0x1ec/0x232
[ 9.255514][ C0] ? __pfx___might_resched+0x10/0x10
[ 9.255541][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 9.255573][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 9.255605][ C0] arch_stack_walk+0xe0/0x130
[ 9.255637][ C0] ? kasan_save_stack+0x30/0x50
[ 9.255666][ C0] stack_trace_save+0x8e/0xc0
[ 9.255695][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 9.255727][ C0] ? __lock_acquire+0x4a5/0x2630
[ 9.255749][ C0] ? kasan_save_stack+0x3f/0x50
[ 9.255773][ C0] ? kasan_save_stack+0x30/0x50
[ 9.255796][ C0] kasan_save_stack+0x30/0x50
[ 9.255819][ C0] ? kasan_save_stack+0x30/0x50
[ 9.255841][ C0] ? kasan_save_track+0x14/0x30
[ 9.255863][ C0] ? kasan_save_free_info+0x3b/0x70
[ 9.255882][ C0] ? __kasan_slab_free+0x5f/0x80
[ 9.255914][ C0] ? kmem_cache_free+0x143/0x720
[ 9.255935][ C0] ? rcu_core+0x7c0/0x15c0
[ 9.255957][ C0] ? handle_softirqs+0x1ea/0x910
[ 9.255984][ C0] ? __irq_exit_rcu+0xef/0x150
[ 9.256011][ C0] ? irq_exit_rcu+0x9/0x30
[ 9.256038][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 9.256060][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 9.256082][ C0] ? unwind_next_frame+0xb06/0x1ea0
[ 9.256108][ C0] ? arch_stack_walk+0x95/0x130
[ 9.256134][ C0] ? stack_trace_save+0x8e/0xc0
[ 9.256161][ C0] ? kasan_save_stack+0x30/0x50
[ 9.256213][ C0] kasan_save_track+0x14/0x30
[ 9.256237][ C0] kasan_save_free_info+0x3b/0x70
[ 9.256256][ C0] __kasan_slab_free+0x5f/0x80
[ 9.256281][ C0] kmem_cache_free+0x143/0x720
[ 9.256302][ C0] ? rcu_core+0x7c0/0x15c0
[ 9.256327][ C0] ? rcu_core+0x7bb/0x15c0
[ 9.256351][ C0] ? rcu_core+0x7c0/0x15c0
[ 9.256373][ C0] rcu_core+0x7c0/0x15c0
[ 9.256397][ C0] ? __hrtimer_run_queues+0x7e0/0x990
[ 9.256427][ C0] ? __pfx_rcu_core+0x10/0x10
[ 9.256449][ C0] ? ktime_get+0x1a7/0x300
[ 9.256488][ C0] handle_softirqs+0x1ea/0x910
[ 9.256522][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 9.256556][ C0] __irq_exit_rcu+0xef/0x150
[ 9.256583][ C0] irq_exit_rcu+0x9/0x30
[ 9.256610][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 9.256631][ C0]
[ 9.256638][ C0]
[ 9.256645][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 9.256668][ C0] RIP: 0010:unwind_next_frame+0xb06/0x1ea0
[ 9.256697][ C0] Code: 3c 04 0f 84 47 04 00 00 48 89 4c 24 20 3c 02 0f 85 4a f8 ff ff 49 8d 76 f8 ba 08 00 00 00 4d 8d 7d 34 4c 89 ef 48 89 74 24 28 15 f3 ff ff 84 c0 0f 84 39 f8 ff ff 48 8b 7c 24 28 e8 e3 ec ff
[ 9.256717][ C0] RSP: 0000:ffffc900040ff968 EFLAGS: 00000246
[ 9.256732][ C0] RAX: 0000000000000002 RBX: 0000000000000001 RCX: ffffffff9189af16
[ 9.256745][ C0] RDX: 0000000000000008 RSI: ffffc900040ffe30 RDI: ffffc900040ff9d8
[ 9.256757][ C0] RBP: ffffc900040ffa20 R08: ffffffff9189af1a R09: 0000000000000007
[ 9.256771][ C0] R10: 0000000000000200 R11: 00000000000399e8 R12: ffffc900040ffa28
[ 9.256784][ C0] R13: ffffc900040ff9d8 R14: ffffc900040ffe38 R15: ffffc900040ffa0c
[ 9.256811][ C0] ? unwind_next_frame+0x2ec/0x1ea0
[ 9.256839][ C0] ? security_prepare_creds+0x2d/0x290
[ 9.256869][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 9.256900][ C0] arch_stack_walk+0x95/0x130
[ 9.256937][ C0] ? security_prepare_creds+0x2d/0x290
[ 9.256967][ C0] stack_trace_save+0x8e/0xc0
[ 9.256995][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 9.257027][ C0] kasan_save_stack+0x30/0x50
[ 9.257050][ C0] ? kasan_save_stack+0x30/0x50
[ 9.257075][ C0] ? kasan_save_track+0x14/0x30
[ 9.257098][ C0] ? __kasan_kmalloc+0xaa/0xb0
[ 9.257120][ C0] ? __kmalloc_noprof+0x347/0x9c0
[ 9.257138][ C0] ? lsm_blob_alloc+0x68/0x90
[ 9.257163][ C0] ? security_prepare_creds+0x2d/0x290
[ 9.257225][ C0] kasan_save_track+0x14/0x30
[ 9.257249][ C0] __kasan_kmalloc+0xaa/0xb0
[ 9.257271][ C0] ? lsm_blob_alloc+0x68/0x90
[ 9.257298][ C0] __kmalloc_noprof+0x347/0x9c0
[ 9.257318][ C0] ? find_held_lock+0x2b/0x80
[ 9.257349][ C0] ? lsm_blob_alloc+0x68/0x90
[ 9.257375][ C0] lsm_blob_alloc+0x68/0x90
[ 9.257402][ C0] security_prepare_creds+0x2d/0x290
[ 9.257428][ C0] prepare_kernel_cred+0x50d/0x8b0
[ 9.257456][ C0] call_usermodehelper_exec_async+0xee/0x4b0
[ 9.257485][ C0] ? lockdep_hardirqs_on+0x78/0x100
[ 9.257506][ C0] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 9.257535][ C0] ret_from_fork+0x754/0xaf0
[ 9.257560][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 9.257585][ C0] ? __switch_to+0x7b9/0x10c0
[ 9.257614][ C0] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 9.257644][ C0] ret_from_fork_asm+0x1a/0x30
[ 9.257677][ C0]
[ 9.362917][ T1] mac802154_hwsim mac802154_hwsim: Added 2 mac802154 hwsim hardware radios
[ 9.366508][ T1] VMware vmxnet3 virtual NIC driver - version 1.9.0.0-k-NAPI
[ 9.369581][ T1] usbcore: registered new interface driver catc
[ 9.371132][ T1] usbcore: registered new interface driver kaweth
[ 9.372162][ T1] pegasus: Pegasus/Pegasus II USB Ethernet driver
[ 9.374609][ T1] usbcore: registered new interface driver pegasus
[ 9.377670][ T1] usbcore: registered new interface driver rtl8150
[ 9.379177][ T1] usbcore: registered new device driver r8152-cfgselector
[ 9.380918][ T1] usbcore: registered new interface driver r8152
[ 9.383192][ T1] usbcore: registered new interface driver hso
[ 9.385696][ T1] usbcore: registered new interface driver lan78xx
[ 9.387184][ T1] usbcore: registered new interface driver asix
[ 9.388469][ T1] usbcore: registered new interface driver ax88179_178a
[ 9.389796][ T1] usbcore: registered new interface driver cdc_ether
[ 9.391186][ T1] usbcore: registered new interface driver cdc_eem
[ 9.392512][ T1] usbcore: registered new interface driver dm9601
[ 9.393747][ T1] usbcore: registered new interface driver sr9700
[ 9.396097][ T1] usbcore: registered new interface driver CoreChips
[ 9.397683][ T1] usbcore: registered new interface driver smsc75xx
[ 9.399530][ T1] usbcore: registered new interface driver smsc95xx
[ 9.400926][ T1] usbcore: registered new interface driver gl620a
[ 9.402542][ T1] usbcore: registered new interface driver net1080
[ 9.404281][ T1] usbcore: registered new interface driver plusb
[ 9.406251][ T1] usbcore: registered new interface driver rndis_host
[ 9.407866][ T1] usbcore: registered new interface driver cdc_subset
[ 9.409297][ T1] usbcore: registered new interface driver zaurus
[ 9.410715][ T1] usbcore: registered new interface driver MOSCHIP usb-ethernet driver
[ 9.412374][ T1] usbcore: registered new interface driver int51x1
[ 9.414236][ T1] usbcore: registered new interface driver cdc_phonet
[ 9.416266][ T1] usbcore: registered new interface driver kalmia
[ 9.417749][ T1] usbcore: registered new interface driver ipheth
[ 9.419299][ T1] usbcore: registered new interface driver sierra_net
[ 9.421175][ T1] usbcore: registered new interface driver cx82310_eth
[ 9.422995][ T1] usbcore: registered new interface driver cdc_ncm
[ 9.424422][ T1] usbcore: registered new interface driver huawei_cdc_ncm
[ 9.426317][ T1] usbcore: registered new interface driver lg-vl600
[ 9.427999][ T1] usbcore: registered new interface driver qmi_wwan
[ 9.429487][ T1] usbcore: registered new interface driver cdc_mbim
[ 9.430925][ T1] usbcore: registered new interface driver ch9200
[ 9.432295][ T1] usbcore: registered new interface driver aqc111
[ 9.433771][ T1] usbcore: registered new interface driver r8153_ecm
[ 9.440724][ T1] VFIO - User Level meta-driver version: 0.3
[ 9.457712][ T1] aoe: AoE v85 initialised.
[ 9.484516][ T1] usbcore: registered new interface driver cdc_acm
[ 9.486477][ T1] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters
[ 9.488448][ T1] usbcore: registered new interface driver usblp
[ 9.489935][ T1] usbcore: registered new interface driver cdc_wdm
[ 9.491522][ T1] usbcore: registered new interface driver usbtmc
[ 9.494900][ T1] usbcore: registered new interface driver uas
[ 9.496537][ T1] usbcore: registered new interface driver usb-storage
[ 9.498565][ T1] usbcore: registered new interface driver ums-alauda
[ 9.500649][ T1] usbcore: registered new interface driver ums-cypress
[ 9.502569][ T1] usbcore: registered new interface driver ums-datafab
[ 9.504257][ T1] usbcore: registered new interface driver ums_eneub6250
[ 9.506514][ T1] usbcore: registered new interface driver ums-freecom
[ 9.508089][ T1] usbcore: registered new interface driver ums-isd200
[ 9.510291][ T1] usbcore: registered new interface driver ums-jumpshot
[ 9.512193][ T1] usbcore: registered new interface driver ums-karma
[ 9.514078][ T1] usbcore: registered new interface driver ums-onetouch
[ 9.515734][ T1] usbcore: registered new interface driver ums-realtek
[ 9.517543][ T1] usbcore: registered new interface driver ums-sddr09
[ 9.519254][ T1] usbcore: registered new interface driver ums-sddr55
[ 9.520885][ T1] usbcore: registered new interface driver ums-usbat
[ 9.522474][ T1] usbcore: registered new interface driver mdc800
[ 9.523512][ T1] mdc800: v0.7.5 (30/10/2000):USB Driver for Mustek MDC800 Digital Camera
[ 9.527528][ T1] usbcore: registered new interface driver microtekX6
[ 9.531186][ T1] usbcore: registered new interface driver usbserial_generic
[ 9.533447][ T1] usbserial: USB Serial support registered for generic
[ 9.537685][ T1] usbcore: registered new interface driver aircable
[ 9.539151][ T1] usbserial: USB Serial support registered for aircable
[ 9.540908][ T1] usbcore: registered new interface driver ark3116
[ 9.542619][ T1] usbserial: USB Serial support registered for ark3116
[ 9.544418][ T1] usbcore: registered new interface driver belkin_sa
[ 9.546206][ T1] usbserial: USB Serial support registered for Belkin / Peracom / GoHubs USB Serial Adapter
[ 9.548116][ T1] usbcore: registered new interface driver ch341
[ 9.549347][ T1] usbserial: USB Serial support registered for ch341-uart
[ 9.550824][ T1] usbcore: registered new interface driver cp210x
[ 9.551922][ T1] usbserial: USB Serial support registered for cp210x
[ 9.556634][ T1] usbcore: registered new interface driver cyberjack
[ 9.558334][ T1] usbserial: USB Serial support registered for Reiner SCT Cyberjack USB card reader
[ 9.560900][ T1] usbcore: registered new interface driver cypress_m8
[ 9.562993][ T1] usbserial: USB Serial support registered for DeLorme Earthmate USB
[ 9.567045][ T1] usbserial: USB Serial support registered for HID->COM RS232 Adapter
[ 9.569615][ T1] usbserial: USB Serial support registered for Nokia CA-42 V2 Adapter
[ 9.571512][ T1] usbcore: registered new interface driver usb_debug
[ 9.574175][ T1] usbserial: USB Serial support registered for debug
[ 9.577004][ T1] usbserial: USB Serial support registered for xhci_dbc
[ 9.578999][ T1] usbcore: registered new interface driver digi_acceleport
[ 9.580571][ T1] usbserial: USB Serial support registered for Digi 2 port USB adapter
[ 9.582664][ T1] usbserial: USB Serial support registered for Digi 4 port USB adapter
[ 9.584680][ T1] usbcore: registered new interface driver io_edgeport
[ 9.589267][ T1] usbserial: USB Serial support registered for Edgeport 2 port adapter
[ 9.591236][ T1] usbserial: USB Serial support registered for Edgeport 4 port adapter
[ 9.593085][ T1] usbserial: USB Serial support registered for Edgeport 8 port adapter
[ 9.595168][ T1] usbserial: USB Serial support registered for EPiC device
[ 9.597176][ T1] usbcore: registered new interface driver io_ti
[ 9.599006][ T1] usbserial: USB Serial support registered for Edgeport TI 1 port adapter
[ 9.600633][ T1] usbserial: USB Serial support registered for Edgeport TI 2 port adapter
[ 9.602677][ T1] usbcore: registered new interface driver empeg
[ 9.604579][ T1] usbserial: USB Serial support registered for empeg
[ 9.606998][ T1] usbcore: registered new interface driver f81534a_ctrl
[ 9.609344][ T1] usbcore: registered new interface driver f81232
[ 9.611271][ T1] usbserial: USB Serial support registered for f81232
[ 9.612737][ T1] usbserial: USB Serial support registered for f81534a
[ 9.614547][ T1] usbcore: registered new interface driver f81534
[ 9.616866][ T1] usbserial: USB Serial support registered for Fintek F81532/F81534
[ 9.619140][ T1] usbcore: registered new interface driver ftdi_sio
[ 9.620595][ T1] usbserial: USB Serial support registered for FTDI USB Serial Device
[ 9.622805][ T1] usbcore: registered new interface driver garmin_gps
[ 9.624259][ T1] usbserial: USB Serial support registered for Garmin GPS usb/tty
[ 9.627633][ T1] usbcore: registered new interface driver ipaq
[ 9.629877][ T1] usbserial: USB Serial support registered for PocketPC PDA
[ 9.631705][ T1] usbcore: registered new interface driver ipw
[ 9.633002][ T1] usbserial: USB Serial support registered for IPWireless converter
[ 9.634865][ T1] usbcore: registered new interface driver ir_usb
[ 9.636697][ T1] usbserial: USB Serial support registered for IR Dongle
[ 9.638390][ T1] usbcore: registered new interface driver iuu_phoenix
[ 9.639752][ T1] usbserial: USB Serial support registered for iuu_phoenix
[ 9.641255][ T1] usbcore: registered new interface driver keyspan
[ 9.643296][ T1] usbserial: USB Serial support registered for Keyspan - (without firmware)
[ 9.645755][ T1] usbserial: USB Serial support registered for Keyspan 1 port adapter
[ 9.647299][ T1] usbserial: USB Serial support registered for Keyspan 2 port adapter
[ 9.649411][ T1] usbserial: USB Serial support registered for Keyspan 4 port adapter
[ 9.651481][ T1] usbcore: registered new interface driver keyspan_pda
[ 9.652846][ T1] usbserial: USB Serial support registered for Keyspan PDA
[ 9.655073][ T1] usbserial: USB Serial support registered for Keyspan PDA - (prerenumeration)
[ 9.657350][ T1] usbcore: registered new interface driver kl5kusb105
[ 9.658986][ T1] usbserial: USB Serial support registered for KL5KUSB105D / PalmConnect
[ 9.661086][ T1] usbcore: registered new interface driver kobil_sct
[ 9.662403][ T1] usbserial: USB Serial support registered for KOBIL USB smart card terminal
[ 9.664405][ T1] usbcore: registered new interface driver mct_u232
[ 9.666424][ T1] usbserial: USB Serial support registered for MCT U232
[ 9.668484][ T1] usbcore: registered new interface driver metro_usb
[ 9.669849][ T1] usbserial: USB Serial support registered for Metrologic USB to Serial
[ 9.671841][ T1] usbcore: registered new interface driver mos7720
[ 9.673359][ T1] usbserial: USB Serial support registered for Moschip 2 port adapter
[ 9.676973][ T1] usbcore: registered new interface driver mos7840
[ 9.678710][ T1] usbserial: USB Serial support registered for Moschip 7840/7820 USB Serial Driver
[ 9.680775][ T1] usbcore: registered new interface driver mxuport
[ 9.682474][ T1] usbserial: USB Serial support registered for MOXA UPort
[ 9.684336][ T1] usbcore: registered new interface driver navman
[ 9.686211][ T1] usbserial: USB Serial support registered for navman
[ 9.687404][ T1] usbcore: registered new interface driver omninet
[ 9.688518][ T1] usbserial: USB Serial support registered for ZyXEL - omni.net usb
[ 9.689795][ T1] usbcore: registered new interface driver opticon
[ 9.691008][ T1] usbserial: USB Serial support registered for opticon
[ 9.692468][ T1] usbcore: registered new interface driver option
[ 9.693567][ T1] usbserial: USB Serial support registered for GSM modem (1-port)
[ 9.695175][ T1] usbcore: registered new interface driver oti6858
[ 9.696616][ T1] usbserial: USB Serial support registered for oti6858
[ 9.697933][ T1] usbcore: registered new interface driver pl2303
[ 9.699898][ T1] usbserial: USB Serial support registered for pl2303
[ 9.701794][ T1] usbcore: registered new interface driver qcaux
[ 9.703047][ T1] usbserial: USB Serial support registered for qcaux
[ 9.706707][ T1] usbcore: registered new interface driver qcserial
[ 9.708510][ T1] usbserial: USB Serial support registered for Qualcomm USB modem
[ 9.710030][ T1] usbcore: registered new interface driver quatech2
[ 9.711361][ T1] usbserial: USB Serial support registered for Quatech 2nd gen USB to Serial Driver
[ 9.713731][ T1] usbcore: registered new interface driver safe_serial
[ 9.715506][ T1] usbserial: USB Serial support registered for safe_serial
[ 9.717469][ T1] usbcore: registered new interface driver sierra
[ 9.718643][ T1] usbserial: USB Serial support registered for Sierra USB modem
[ 9.720764][ T1] usbcore: registered new interface driver usb_serial_simple
[ 9.722030][ T1] usbserial: USB Serial support registered for carelink
[ 9.723718][ T1] usbserial: USB Serial support registered for flashloader
[ 9.726177][ T1] usbserial: USB Serial support registered for funsoft
[ 9.727431][ T1] usbserial: USB Serial support registered for google
[ 9.729670][ T1] usbserial: USB Serial support registered for hp4x
[ 9.731009][ T1] usbserial: USB Serial support registered for kaufmann
[ 9.732969][ T1] usbserial: USB Serial support registered for libtransistor
[ 9.734472][ T1] usbserial: USB Serial support registered for moto_modem
[ 9.738216][ T1] usbserial: USB Serial support registered for motorola_tetra
[ 9.740183][ T1] usbserial: USB Serial support registered for nokia
[ 9.741396][ T1] usbserial: USB Serial support registered for novatel_gps
[ 9.742720][ T1] usbserial: USB Serial support registered for owon
[ 9.743996][ T1] usbserial: USB Serial support registered for siemens_mpi
[ 9.745696][ T1] usbserial: USB Serial support registered for suunto
[ 9.746899][ T1] usbserial: USB Serial support registered for vivopay
[ 9.748443][ T1] usbserial: USB Serial support registered for zio
[ 9.750195][ T1] usbcore: registered new interface driver spcp8x5
[ 9.751853][ T1] usbserial: USB Serial support registered for SPCP8x5
[ 9.753622][ T1] usbcore: registered new interface driver ssu100
[ 9.756770][ T1] usbserial: USB Serial support registered for Quatech SSU-100 USB to Serial Driver
[ 9.759037][ T1] usbcore: registered new interface driver symbolserial
[ 9.760759][ T1] usbserial: USB Serial support registered for symbol
[ 9.762410][ T1] usbcore: registered new interface driver ti_usb_3410_5052
[ 9.763809][ T1] usbserial: USB Serial support registered for TI USB 3410 1 port adapter
[ 9.766162][ T1] usbserial: USB Serial support registered for TI USB 5052 2 port adapter
[ 9.768418][ T1] usbcore: registered new interface driver upd78f0730
[ 9.770028][ T1] usbserial: USB Serial support registered for upd78f0730
[ 9.771916][ T1] usbcore: registered new interface driver visor
[ 9.773477][ T1] usbserial: USB Serial support registered for Handspring Visor / Palm OS
[ 9.781281][ T1] usbserial: USB Serial support registered for Sony Clie 5.0
[ 9.782537][ T1] usbserial: USB Serial support registered for Sony Clie 3.5
[ 9.783972][ T1] usbcore: registered new interface driver wishbone_serial
[ 9.786353][ T1] usbserial: USB Serial support registered for wishbone_serial
[ 9.788191][ T1] usbcore: registered new interface driver whiteheat
[ 9.789343][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT - (prerenumeration)
[ 9.791607][ T1] usbserial: USB Serial support registered for Connect Tech - WhiteHEAT
[ 9.794198][ T1] usbcore: registered new interface driver xr_serial
[ 9.795907][ T1] usbserial: USB Serial support registered for xr_serial
[ 9.797410][ T1] usbcore: registered new interface driver xsens_mt
[ 9.799100][ T1] usbserial: USB Serial support registered for xsens_mt
[ 9.800942][ T1] usbcore: registered new interface driver adutux
[ 9.802374][ T1] usbcore: registered new interface driver appledisplay
[ 9.804278][ T1] usbcore: registered new interface driver cypress_cy7c63
[ 9.806128][ T1] usbcore: registered new interface driver cytherm
[ 9.807830][ T1] usbcore: registered new interface driver emi26 - firmware loader
[ 9.809403][ T1] usbcore: registered new interface driver emi62 - firmware loader
[ 9.810783][ T1] usbcore: registered new device driver apple-mfi-fastcharge
[ 9.812671][ T1] usbcore: registered new interface driver ljca
[ 9.814468][ T1] usbcore: registered new interface driver idmouse
[ 9.816456][ T1] usbcore: registered new interface driver iowarrior
[ 9.818260][ T1] usbcore: registered new interface driver isight_firmware
[ 9.820189][ T1] usbcore: registered new interface driver usblcd
[ 9.821830][ T1] usbcore: registered new interface driver ldusb
[ 9.823714][ T1] usbcore: registered new interface driver legousbtower
[ 9.826644][ T1] usbcore: registered new interface driver usbtest
[ 9.828474][ T1] usbcore: registered new interface driver usb_ehset_test
[ 9.830106][ T1] usbcore: registered new interface driver trancevibrator
[ 9.831734][ T1] usbcore: registered new interface driver uss720
[ 9.833107][ T1] uss720: USB Parport Cable driver for Cables using the Lucent Technologies USS720 Chip
[ 9.834657][ T1] uss720: NOTE: this is a special purpose driver to allow nonstandard
[ 9.837229][ T1] uss720: protocols (eg. bitbang) over USS720 usb to parallel cables
[ 9.838474][ T1] uss720: If you just want to connect to a printer, use usblp instead
[ 9.840301][ T1] usbcore: registered new interface driver usbsevseg
[ 9.841795][ T1] usbcore: registered new interface driver yurex
[ 9.848369][ T1] usbcore: registered new interface driver chaoskey
[ 9.849967][ T1] usbcore: registered new interface driver sisusb
[ 9.852444][ T1] usbcore: registered new interface driver lvs
[ 9.853884][ T1] usbcore: registered new interface driver cxacru
[ 9.857826][ T1] usbcore: registered new interface driver speedtch
[ 9.859406][ T1] usbcore: registered new interface driver ueagle-atm
[ 9.860644][ T1] xusbatm: malformed module parameters
[ 9.867304][ T1] dummy_hcd dummy_hcd.0: USB Host+Gadget Emulator, driver 02 May 2005
[ 9.869366][ T1] dummy_hcd dummy_hcd.0: Dummy host controller
[ 9.879888][ T1] dummy_hcd dummy_hcd.0: new USB bus registered, assigned bus number 1
[ 9.886326][ T1] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 9.887885][ T1] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 9.889105][ T1] usb usb1: Product: Dummy host controller
[ 9.890003][ T1] usb usb1: Manufacturer: Linux syzkaller dummy_hcd
[ 9.891149][ T1] usb usb1: SerialNumber: dummy_hcd.0
[ 9.907193][ T1] hub 1-0:1.0: USB hub found
[ 9.910444][ T1] hub 1-0:1.0: 1 port detected
[ 9.932339][ T1] dummy_hcd dummy_hcd.1: USB Host+Gadget Emulator, driver 02 May 2005
[ 9.934005][ T1] dummy_hcd dummy_hcd.1: Dummy host controller
[ 9.937724][ T1] dummy_hcd dummy_hcd.1: new USB bus registered, assigned bus number 2
[ 9.941124][ T1] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 9.942577][ T1] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 9.943891][ T1] usb usb2: Product: Dummy host controller
[ 9.945641][ T1] usb usb2: Manufacturer: Linux syzkaller dummy_hcd
[ 9.946714][ T1] usb usb2: SerialNumber: dummy_hcd.1
[ 9.953290][ T1] hub 2-0:1.0: USB hub found
[ 9.955871][ T1] hub 2-0:1.0: 1 port detected
[ 9.962186][ T1] dummy_hcd dummy_hcd.2: USB Host+Gadget Emulator, driver 02 May 2005
[ 9.963383][ T1] dummy_hcd dummy_hcd.2: Dummy host controller
[ 9.969275][ T1] dummy_hcd dummy_hcd.2: new USB bus registered, assigned bus number 3
[ 9.972618][ T1] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 9.973912][ T1] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 9.975231][ T1] usb usb3: Product: Dummy host controller
[ 9.976140][ T1] usb usb3: Manufacturer: Linux syzkaller dummy_hcd
[ 9.977110][ T1] usb usb3: SerialNumber: dummy_hcd.2
[ 9.983007][ T1] hub 3-0:1.0: USB hub found
[ 9.984712][ T1] hub 3-0:1.0: 1 port detected
[ 9.992168][ T1] dummy_hcd dummy_hcd.3: USB Host+Gadget Emulator, driver 02 May 2005
[ 9.993597][ T1] dummy_hcd dummy_hcd.3: Dummy host controller
[ 9.997569][ T1] dummy_hcd dummy_hcd.3: new USB bus registered, assigned bus number 4
[ 10.001373][ T1] usb usb4: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.002785][ T1] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.004191][ T1] usb usb4: Product: Dummy host controller
[ 10.005924][ T1] usb usb4: Manufacturer: Linux syzkaller dummy_hcd
[ 10.007115][ T1] usb usb4: SerialNumber: dummy_hcd.3
[ 10.012609][ T1] hub 4-0:1.0: USB hub found
[ 10.014022][ T1] hub 4-0:1.0: 1 port detected
[ 10.022341][ T1] dummy_hcd dummy_hcd.4: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.023682][ T1] dummy_hcd dummy_hcd.4: Dummy host controller
[ 10.025978][ T1] dummy_hcd dummy_hcd.4: new USB bus registered, assigned bus number 5
[ 10.029318][ T1] usb usb5: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.030771][ T1] usb usb5: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.032011][ T1] usb usb5: Product: Dummy host controller
[ 10.032808][ T1] usb usb5: Manufacturer: Linux syzkaller dummy_hcd
[ 10.033806][ T1] usb usb5: SerialNumber: dummy_hcd.4
[ 10.040795][ T1] hub 5-0:1.0: USB hub found
[ 10.041881][ T1] hub 5-0:1.0: 1 port detected
[ 10.048774][ T1] dummy_hcd dummy_hcd.5: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.050396][ T1] dummy_hcd dummy_hcd.5: Dummy host controller
[ 10.054380][ T1] dummy_hcd dummy_hcd.5: new USB bus registered, assigned bus number 6
[ 10.060250][ T1] usb usb6: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.061767][ T1] usb usb6: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.062962][ T1] usb usb6: Product: Dummy host controller
[ 10.063886][ T1] usb usb6: Manufacturer: Linux syzkaller dummy_hcd
[ 10.067072][ T1] usb usb6: SerialNumber: dummy_hcd.5
[ 10.072286][ T1] hub 6-0:1.0: USB hub found
[ 10.073790][ T1] hub 6-0:1.0: 1 port detected
[ 10.080174][ T1] dummy_hcd dummy_hcd.6: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.081470][ T1] dummy_hcd dummy_hcd.6: Dummy host controller
[ 10.084169][ T1] dummy_hcd dummy_hcd.6: new USB bus registered, assigned bus number 7
[ 10.090131][ T1] usb usb7: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.091593][ T1] usb usb7: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.093232][ T1] usb usb7: Product: Dummy host controller
[ 10.094134][ T1] usb usb7: Manufacturer: Linux syzkaller dummy_hcd
[ 10.095111][ T1] usb usb7: SerialNumber: dummy_hcd.6
[ 10.100371][ T1] hub 7-0:1.0: USB hub found
[ 10.101703][ T1] hub 7-0:1.0: 1 port detected
[ 10.109600][ T1] dummy_hcd dummy_hcd.7: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.111111][ T1] dummy_hcd dummy_hcd.7: Dummy host controller
[ 10.114530][ T1] dummy_hcd dummy_hcd.7: new USB bus registered, assigned bus number 8
[ 10.118917][ T1] usb usb8: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.120437][ T1] usb usb8: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.121648][ T1] usb usb8: Product: Dummy host controller
[ 10.122611][ T1] usb usb8: Manufacturer: Linux syzkaller dummy_hcd
[ 10.123546][ T1] usb usb8: SerialNumber: dummy_hcd.7
[ 10.129296][ T1] hub 8-0:1.0: USB hub found
[ 10.130773][ T1] hub 8-0:1.0: 1 port detected
[ 10.137942][ T1] dummy_hcd dummy_hcd.8: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.139457][ T1] dummy_hcd dummy_hcd.8: Dummy host controller
[ 10.143247][ T1] dummy_hcd dummy_hcd.8: new USB bus registered, assigned bus number 9
[ 10.146654][ T1] usb usb9: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.147971][ T1] usb usb9: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.149296][ T1] usb usb9: Product: Dummy host controller
[ 10.150114][ T1] usb usb9: Manufacturer: Linux syzkaller dummy_hcd
[ 10.151307][ T1] usb usb9: SerialNumber: dummy_hcd.8
[ 10.159754][ T1] hub 9-0:1.0: USB hub found
[ 10.161235][ T1] hub 9-0:1.0: 1 port detected
[ 10.167622][ T1] dummy_hcd dummy_hcd.9: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.168867][ T1] dummy_hcd dummy_hcd.9: Dummy host controller
[ 10.171709][ T1] dummy_hcd dummy_hcd.9: new USB bus registered, assigned bus number 10
[ 10.176488][ T1] usb usb10: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.177858][ T1] usb usb10: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.179139][ T1] usb usb10: Product: Dummy host controller
[ 10.179980][ T1] usb usb10: Manufacturer: Linux syzkaller dummy_hcd
[ 10.180999][ T1] usb usb10: SerialNumber: dummy_hcd.9
[ 10.186457][ T1] hub 10-0:1.0: USB hub found
[ 10.187993][ T1] hub 10-0:1.0: 1 port detected
[ 10.193862][ T1] dummy_hcd dummy_hcd.10: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.196566][ T1] dummy_hcd dummy_hcd.10: Dummy host controller
[ 10.198868][ T1] dummy_hcd dummy_hcd.10: new USB bus registered, assigned bus number 11
[ 10.202090][ T1] usb usb11: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.203593][ T1] usb usb11: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.207042][ T1] usb usb11: Product: Dummy host controller
[ 10.207944][ T1] usb usb11: Manufacturer: Linux syzkaller dummy_hcd
[ 10.208992][ T1] usb usb11: SerialNumber: dummy_hcd.10
[ 10.214709][ T1] hub 11-0:1.0: USB hub found
[ 10.218752][ T1] hub 11-0:1.0: 1 port detected
[ 10.228032][ T1] dummy_hcd dummy_hcd.11: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.229551][ T1] dummy_hcd dummy_hcd.11: Dummy host controller
[ 10.232278][ T1] dummy_hcd dummy_hcd.11: new USB bus registered, assigned bus number 12
[ 10.236024][ T1] usb usb12: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.237413][ T1] usb usb12: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.238720][ T1] usb usb12: Product: Dummy host controller
[ 10.239628][ T1] usb usb12: Manufacturer: Linux syzkaller dummy_hcd
[ 10.240717][ T1] usb usb12: SerialNumber: dummy_hcd.11
[ 10.246701][ T1] hub 12-0:1.0: USB hub found
[ 10.248118][ T1] hub 12-0:1.0: 1 port detected
[ 10.254528][ T1] dummy_hcd dummy_hcd.12: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.255918][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 10.255929][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 10.255939][ C1] preempt_count: 101, expected: 0
[ 10.255945][ C1] RCU nest depth: 0, expected: 0
[ 10.255951][ C1] 4 locks held by swapper/0/1:
[ 10.255958][ C1] #0: ffff888029ae20f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 10.255996][ C1] #1: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: dev_vprintk_emit+0x394/0x3e0
[ 10.256027][ C1] #2: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 10.256062][ C1] #3: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 10.256099][ C1] Preemption disabled at:
[ 10.256102][ C1] [] vprintk_emit+0x2b2/0x6b0
[ 10.256125][ C1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 10.256142][ C1] Tainted: [W]=WARN
[ 10.256146][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 10.256153][ C1] Call Trace:
[ 10.256157][ C1]
[ 10.256163][ C1] dump_stack_lvl+0x100/0x190
[ 10.256179][ C1] __might_resched.cold+0x1ec/0x232
[ 10.256196][ C1] ? __pfx___might_resched+0x10/0x10
[ 10.256212][ C1] ? scsi_io_completion+0x418/0x1540
[ 10.256229][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 10.256247][ C1] arch_stack_walk+0xe0/0x130
[ 10.256265][ C1] ? stack_trace_save+0x8e/0xc0
[ 10.256284][ C1] stack_trace_save+0x8e/0xc0
[ 10.256300][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 10.256318][ C1] ? __lock_acquire+0x4a5/0x2630
[ 10.256332][ C1] kasan_save_stack+0x30/0x50
[ 10.256367][ C1] kasan_save_track+0x14/0x30
[ 10.256380][ C1] kasan_save_free_info+0x3b/0x70
[ 10.256391][ C1] __kasan_slab_free+0x5f/0x80
[ 10.256406][ C1] kfree+0x1c7/0x690
[ 10.256417][ C1] ? security_cred_free+0xc8/0x1e0
[ 10.256434][ C1] ? rcu_core+0x7bb/0x15c0
[ 10.256447][ C1] ? security_cred_free+0xc8/0x1e0
[ 10.256460][ C1] ? hook_cred_free+0xcf/0x100
[ 10.256474][ C1] security_cred_free+0xc8/0x1e0
[ 10.256488][ C1] put_cred_rcu+0x6a/0x580
[ 10.256503][ C1] ? rcu_core+0x7bb/0x15c0
[ 10.256516][ C1] rcu_core+0x7c0/0x15c0
[ 10.256534][ C1] ? __hrtimer_run_queues+0x7e0/0x990
[ 10.256551][ C1] ? __pfx_rcu_core+0x10/0x10
[ 10.256563][ C1] ? ktime_get+0x1a7/0x300
[ 10.256583][ C1] ? mark_held_locks+0x40/0x70
[ 10.256595][ C1] handle_softirqs+0x1ea/0x910
[ 10.256615][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 10.256635][ C1] __irq_exit_rcu+0xef/0x150
[ 10.256650][ C1] irq_exit_rcu+0x9/0x30
[ 10.256666][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 10.256679][ C1]
[ 10.256682][ C1]
[ 10.256687][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 10.256700][ C1] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 10.256716][ C1] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 10.256727][ C1] RSP: 0000:ffffc900000671a0 EFLAGS: 00000293
[ 10.256736][ C1] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 10.256744][ C1] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 10.256752][ C1] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 10.256758][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000006a2
[ 10.256765][ C1] R13: ffffffff8f2f9af8 R14: ffffc90000067220 R15: dffffc0000000000
[ 10.256777][ C1] ? console_flush_one_record+0xab1/0xe50
[ 10.256792][ C1] ? console_flush_one_record+0xabf/0xe50
[ 10.256812][ C1] ? __pfx_console_flush_one_record+0x10/0x10
[ 10.256832][ C1] ? is_printk_cpu_sync_owner+0x32/0x40
[ 10.256855][ C1] console_unlock+0x103/0x260
[ 10.256870][ C1] ? __pfx_console_unlock+0x10/0x10
[ 10.256887][ C1] ? do_raw_spin_unlock+0x145/0x1e0
[ 10.256900][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 10.256912][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 10.256925][ C1] vprintk_emit+0x407/0x6b0
[ 10.256941][ C1] ? __pfx_vprintk_emit+0x10/0x10
[ 10.256960][ C1] dev_vprintk_emit+0x394/0x3e0
[ 10.256973][ C1] ? __pfx_dev_vprintk_emit+0x10/0x10
[ 10.256992][ C1] dev_printk_emit+0xd2/0x10d
[ 10.257003][ C1] ? __pfx_dev_printk_emit+0x10/0x10
[ 10.257022][ C1] __dev_printk+0xcb/0x100
[ 10.257034][ C1] _dev_info+0xef/0x127
[ 10.257045][ C1] ? __pfx__dev_info+0x10/0x10
[ 10.257058][ C1] ? __pfx_of_clk_set_defaults+0x10/0x10
[ 10.257079][ C1] ? kernfs_create_link+0x1bd/0x240
[ 10.257097][ C1] ? platform_probe+0xc9/0x1d0
[ 10.257115][ C1] dummy_hcd_probe+0x32/0x2fa
[ 10.257129][ C1] ? __pfx_dummy_hcd_probe+0x10/0x10
[ 10.257143][ C1] platform_probe+0x106/0x1d0
[ 10.257158][ C1] ? __pfx_platform_probe+0x10/0x10
[ 10.257174][ C1] really_probe+0x241/0xa60
[ 10.257188][ C1] __driver_probe_device+0x1de/0x400
[ 10.257201][ C1] driver_probe_device+0x4c/0x1b0
[ 10.257214][ C1] __device_attach_driver+0x1df/0x340
[ 10.257226][ C1] ? __pfx___device_attach_driver+0x10/0x10
[ 10.257238][ C1] bus_for_each_drv+0x159/0x1e0
[ 10.257255][ C1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 10.257272][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 10.257284][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 10.257298][ C1] __device_attach+0x1e4/0x4d0
[ 10.257310][ C1] ? __pfx___device_attach+0x10/0x10
[ 10.257323][ C1] ? do_raw_spin_unlock+0x145/0x1e0
[ 10.257339][ C1] device_initial_probe+0xaf/0xd0
[ 10.257352][ C1] bus_probe_device+0x64/0x160
[ 10.257371][ C1] device_add+0x11d9/0x1950
[ 10.257386][ C1] ? __pfx_device_add+0x10/0x10
[ 10.257400][ C1] ? __cancel_work+0x245/0x340
[ 10.257416][ C1] ? __pfx___cancel_work+0x10/0x10
[ 10.257434][ C1] platform_device_add+0x35a/0x800
[ 10.257451][ C1] ? driver_register+0x1f6/0x360
[ 10.257466][ C1] dummy_hcd_init+0x5dd/0xbf0
[ 10.257481][ C1] ? __pfx_dummy_hcd_init+0x10/0x10
[ 10.257505][ C1] ? add_device_randomness+0xb7/0xf0
[ 10.257522][ C1] ? __pfx_add_device_randomness+0x10/0x10
[ 10.257539][ C1] ? configfs_register_subsystem+0x3de/0x5d0
[ 10.257556][ C1] ? __pfx_dummy_hcd_init+0x10/0x10
[ 10.257569][ C1] do_one_initcall+0x11d/0x690
[ 10.257580][ C1] ? __pfx_do_one_initcall+0x10/0x10
[ 10.257606][ C1] kernel_init_freeable+0x6e5/0x790
[ 10.257618][ C1] ? __pfx_kernel_init+0x10/0x10
[ 10.257635][ C1] kernel_init+0x1f/0x1e0
[ 10.257649][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 10.257659][ C1] ? __pfx_kernel_init+0x10/0x10
[ 10.257673][ C1] ret_from_fork+0x754/0xaf0
[ 10.257689][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 10.257703][ C1] ? __switch_to+0x7b9/0x10c0
[ 10.257719][ C1] ? __pfx_kernel_init+0x10/0x10
[ 10.257736][ C1] ret_from_fork_asm+0x1a/0x30
[ 10.257753][ C1]
[ 10.360467][ T1] dummy_hcd dummy_hcd.12: Dummy host controller
[ 10.362970][ T1] dummy_hcd dummy_hcd.12: new USB bus registered, assigned bus number 13
[ 10.366275][ T1] usb usb13: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.367824][ T1] usb usb13: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.369054][ T1] usb usb13: Product: Dummy host controller
[ 10.369937][ T1] usb usb13: Manufacturer: Linux syzkaller dummy_hcd
[ 10.371011][ T1] usb usb13: SerialNumber: dummy_hcd.12
[ 10.377301][ T1] hub 13-0:1.0: USB hub found
[ 10.378948][ T1] hub 13-0:1.0: 1 port detected
[ 10.386180][ T1] dummy_hcd dummy_hcd.13: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.387588][ T1] dummy_hcd dummy_hcd.13: Dummy host controller
[ 10.390357][ T1] dummy_hcd dummy_hcd.13: new USB bus registered, assigned bus number 14
[ 10.393677][ T1] usb usb14: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.395205][ T1] usb usb14: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.396550][ T1] usb usb14: Product: Dummy host controller
[ 10.397487][ T1] usb usb14: Manufacturer: Linux syzkaller dummy_hcd
[ 10.398572][ T1] usb usb14: SerialNumber: dummy_hcd.13
[ 10.403830][ T1] hub 14-0:1.0: USB hub found
[ 10.405357][ T1] hub 14-0:1.0: 1 port detected
[ 10.411767][ T1] dummy_hcd dummy_hcd.14: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.413798][ T1] dummy_hcd dummy_hcd.14: Dummy host controller
[ 10.418641][ T1] dummy_hcd dummy_hcd.14: new USB bus registered, assigned bus number 15
[ 10.422148][ T1] usb usb15: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.423745][ T1] usb usb15: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.425957][ T1] usb usb15: Product: Dummy host controller
[ 10.426881][ T1] usb usb15: Manufacturer: Linux syzkaller dummy_hcd
[ 10.428110][ T1] usb usb15: SerialNumber: dummy_hcd.14
[ 10.434606][ T1] hub 15-0:1.0: USB hub found
[ 10.437326][ T1] hub 15-0:1.0: 1 port detected
[ 10.443758][ T1] dummy_hcd dummy_hcd.15: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.447285][ T1] dummy_hcd dummy_hcd.15: Dummy host controller
[ 10.449648][ T1] dummy_hcd dummy_hcd.15: new USB bus registered, assigned bus number 16
[ 10.453004][ T1] usb usb16: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.454521][ T1] usb usb16: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.455861][ T1] usb usb16: Product: Dummy host controller
[ 10.456730][ T1] usb usb16: Manufacturer: Linux syzkaller dummy_hcd
[ 10.457843][ T1] usb usb16: SerialNumber: dummy_hcd.15
[ 10.463248][ T1] hub 16-0:1.0: USB hub found
[ 10.464680][ T1] hub 16-0:1.0: 1 port detected
[ 10.473264][ T1] dummy_hcd dummy_hcd.16: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.475135][ T1] dummy_hcd dummy_hcd.16: Dummy host controller
[ 10.477371][ T1] dummy_hcd dummy_hcd.16: new USB bus registered, assigned bus number 17
[ 10.481736][ T1] usb usb17: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.483086][ T1] usb usb17: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.484486][ T1] usb usb17: Product: Dummy host controller
[ 10.486424][ T1] usb usb17: Manufacturer: Linux syzkaller dummy_hcd
[ 10.487423][ T1] usb usb17: SerialNumber: dummy_hcd.16
[ 10.492759][ T1] hub 17-0:1.0: USB hub found
[ 10.494152][ T1] hub 17-0:1.0: 1 port detected
[ 10.502508][ T1] dummy_hcd dummy_hcd.17: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.504344][ T1] dummy_hcd dummy_hcd.17: Dummy host controller
[ 10.507953][ T1] dummy_hcd dummy_hcd.17: new USB bus registered, assigned bus number 18
[ 10.511283][ T1] usb usb18: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.512721][ T1] usb usb18: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.514049][ T1] usb usb18: Product: Dummy host controller
[ 10.515457][ T1] usb usb18: Manufacturer: Linux syzkaller dummy_hcd
[ 10.516669][ T1] usb usb18: SerialNumber: dummy_hcd.17
[ 10.522840][ T1] hub 18-0:1.0: USB hub found
[ 10.524653][ T1] hub 18-0:1.0: 1 port detected
[ 10.531419][ T1] dummy_hcd dummy_hcd.18: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.533035][ T1] dummy_hcd dummy_hcd.18: Dummy host controller
[ 10.537040][ T1] dummy_hcd dummy_hcd.18: new USB bus registered, assigned bus number 19
[ 10.540432][ T1] usb usb19: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.541800][ T1] usb usb19: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.542905][ T1] usb usb19: Product: Dummy host controller
[ 10.543783][ T1] usb usb19: Manufacturer: Linux syzkaller dummy_hcd
[ 10.545003][ T1] usb usb19: SerialNumber: dummy_hcd.18
[ 10.550851][ T1] hub 19-0:1.0: USB hub found
[ 10.552865][ T1] hub 19-0:1.0: 1 port detected
[ 10.560326][ T1] dummy_hcd dummy_hcd.19: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.561603][ T1] dummy_hcd dummy_hcd.19: Dummy host controller
[ 10.564153][ T1] dummy_hcd dummy_hcd.19: new USB bus registered, assigned bus number 20
[ 10.567769][ T1] usb usb20: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.569243][ T1] usb usb20: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.570521][ T1] usb usb20: Product: Dummy host controller
[ 10.571505][ T1] usb usb20: Manufacturer: Linux syzkaller dummy_hcd
[ 10.572533][ T1] usb usb20: SerialNumber: dummy_hcd.19
[ 10.580790][ T1] hub 20-0:1.0: USB hub found
[ 10.582016][ T1] hub 20-0:1.0: 1 port detected
[ 10.590236][ T1] dummy_hcd dummy_hcd.20: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.592005][ T1] dummy_hcd dummy_hcd.20: Dummy host controller
[ 10.594549][ T1] dummy_hcd dummy_hcd.20: new USB bus registered, assigned bus number 21
[ 10.597922][ T1] usb usb21: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.599656][ T1] usb usb21: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.601108][ T1] usb usb21: Product: Dummy host controller
[ 10.602333][ T1] usb usb21: Manufacturer: Linux syzkaller dummy_hcd
[ 10.603512][ T1] usb usb21: SerialNumber: dummy_hcd.20
[ 10.609946][ T1] hub 21-0:1.0: USB hub found
[ 10.611480][ T1] hub 21-0:1.0: 1 port detected
[ 10.619269][ T1] dummy_hcd dummy_hcd.21: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.621347][ T1] dummy_hcd dummy_hcd.21: Dummy host controller
[ 10.623784][ T1] dummy_hcd dummy_hcd.21: new USB bus registered, assigned bus number 22
[ 10.630006][ T1] usb usb22: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.631414][ T1] usb usb22: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.632623][ T1] usb usb22: Product: Dummy host controller
[ 10.633578][ T1] usb usb22: Manufacturer: Linux syzkaller dummy_hcd
[ 10.634991][ T1] usb usb22: SerialNumber: dummy_hcd.21
[ 10.640873][ T1] hub 22-0:1.0: USB hub found
[ 10.641990][ T1] hub 22-0:1.0: 1 port detected
[ 10.649973][ T1] dummy_hcd dummy_hcd.22: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.651738][ T1] dummy_hcd dummy_hcd.22: Dummy host controller
[ 10.654419][ T1] dummy_hcd dummy_hcd.22: new USB bus registered, assigned bus number 23
[ 10.657783][ T1] usb usb23: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.659176][ T1] usb usb23: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.660381][ T1] usb usb23: Product: Dummy host controller
[ 10.661280][ T1] usb usb23: Manufacturer: Linux syzkaller dummy_hcd
[ 10.662321][ T1] usb usb23: SerialNumber: dummy_hcd.22
[ 10.669218][ T1] hub 23-0:1.0: USB hub found
[ 10.670315][ T1] hub 23-0:1.0: 1 port detected
[ 10.677089][ T1] dummy_hcd dummy_hcd.23: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.679179][ T1] dummy_hcd dummy_hcd.23: Dummy host controller
[ 10.681520][ T1] dummy_hcd dummy_hcd.23: new USB bus registered, assigned bus number 24
[ 10.686253][ T1] usb usb24: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.687752][ T1] usb usb24: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.689291][ T1] usb usb24: Product: Dummy host controller
[ 10.690205][ T1] usb usb24: Manufacturer: Linux syzkaller dummy_hcd
[ 10.691219][ T1] usb usb24: SerialNumber: dummy_hcd.23
[ 10.699487][ T1] hub 24-0:1.0: USB hub found
[ 10.700623][ T1] hub 24-0:1.0: 1 port detected
[ 10.707404][ T1] dummy_hcd dummy_hcd.24: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.709028][ T1] dummy_hcd dummy_hcd.24: Dummy host controller
[ 10.711261][ T1] dummy_hcd dummy_hcd.24: new USB bus registered, assigned bus number 25
[ 10.714450][ T1] usb usb25: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.716718][ T1] usb usb25: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.718001][ T1] usb usb25: Product: Dummy host controller
[ 10.718911][ T1] usb usb25: Manufacturer: Linux syzkaller dummy_hcd
[ 10.719924][ T1] usb usb25: SerialNumber: dummy_hcd.24
[ 10.725810][ T1] hub 25-0:1.0: USB hub found
[ 10.727293][ T1] hub 25-0:1.0: 1 port detected
[ 10.734508][ T12] sd 0:0:1:0: Attached scsi generic sg0 type 0
[ 10.736783][ T1168] sd 0:0:1:0: [sda] 4194304 512-byte logical blocks: (2.15 GB/2.00 GiB)
[ 10.736852][ T1168] sd 0:0:1:0: [sda] 4096-byte physical blocks
[ 10.738288][ T1168] sd 0:0:1:0: [sda] Write Protect is off
[ 10.740340][ T1168] sd 0:0:1:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
[ 10.741597][ T1] dummy_hcd dummy_hcd.25: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.743527][ T1] dummy_hcd dummy_hcd.25: Dummy host controller
[ 10.748207][ T1] dummy_hcd dummy_hcd.25: new USB bus registered, assigned bus number 26
[ 10.756182][ T1] usb usb26: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.757614][ T1] usb usb26: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.758782][ T1] usb usb26: Product: Dummy host controller
[ 10.759590][ T1] usb usb26: Manufacturer: Linux syzkaller dummy_hcd
[ 10.760523][ T1] usb usb26: SerialNumber: dummy_hcd.25
[ 10.764594][ T1] hub 26-0:1.0: USB hub found
[ 10.767609][ T1] hub 26-0:1.0: 1 port detected
[ 10.771912][ T1] dummy_hcd dummy_hcd.26: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.773206][ T1] dummy_hcd dummy_hcd.26: Dummy host controller
[ 10.775161][ T1] dummy_hcd dummy_hcd.26: new USB bus registered, assigned bus number 27
[ 10.777250][ T1] usb usb27: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.778690][ T1] usb usb27: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.779915][ T1] usb usb27: Product: Dummy host controller
[ 10.780724][ T1] usb usb27: Manufacturer: Linux syzkaller dummy_hcd
[ 10.781645][ T1] usb usb27: SerialNumber: dummy_hcd.26
[ 10.786351][ T1] hub 27-0:1.0: USB hub found
[ 10.787430][ T1] hub 27-0:1.0: 1 port detected
[ 10.791740][ T1] dummy_hcd dummy_hcd.27: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.793396][ T1] dummy_hcd dummy_hcd.27: Dummy host controller
[ 10.795455][ T1] dummy_hcd dummy_hcd.27: new USB bus registered, assigned bus number 28
[ 10.797839][ T1] usb usb28: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.799266][ T1] usb usb28: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.800426][ T1] usb usb28: Product: Dummy host controller
[ 10.801366][ T1] usb usb28: Manufacturer: Linux syzkaller dummy_hcd
[ 10.802341][ T1] usb usb28: SerialNumber: dummy_hcd.27
[ 10.805247][ T1168] sda: sda1
[ 10.806268][ T1] hub 28-0:1.0: USB hub found
[ 10.807423][ T1] hub 28-0:1.0: 1 port detected
[ 10.810469][ T1168] sd 0:0:1:0: [sda] Attached SCSI disk
[ 10.813859][ T1] dummy_hcd dummy_hcd.28: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.816208][ T1] dummy_hcd dummy_hcd.28: Dummy host controller
[ 10.818093][ T1] dummy_hcd dummy_hcd.28: new USB bus registered, assigned bus number 29
[ 10.820166][ T1] usb usb29: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.821538][ T1] usb usb29: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.822614][ T1] usb usb29: Product: Dummy host controller
[ 10.823414][ T1] usb usb29: Manufacturer: Linux syzkaller dummy_hcd
[ 10.824357][ T1] usb usb29: SerialNumber: dummy_hcd.28
[ 10.828674][ T1] hub 29-0:1.0: USB hub found
[ 10.829570][ T1] hub 29-0:1.0: 1 port detected
[ 10.833546][ T1] dummy_hcd dummy_hcd.29: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.836198][ T1] dummy_hcd dummy_hcd.29: Dummy host controller
[ 10.837854][ T1] dummy_hcd dummy_hcd.29: new USB bus registered, assigned bus number 30
[ 10.839893][ T1] usb usb30: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.841164][ T1] usb usb30: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.842252][ T1] usb usb30: Product: Dummy host controller
[ 10.843037][ T1] usb usb30: Manufacturer: Linux syzkaller dummy_hcd
[ 10.843923][ T1] usb usb30: SerialNumber: dummy_hcd.29
[ 10.848286][ T1] hub 30-0:1.0: USB hub found
[ 10.849183][ T1] hub 30-0:1.0: 1 port detected
[ 10.853313][ T1] dummy_hcd dummy_hcd.30: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.854925][ T1] dummy_hcd dummy_hcd.30: Dummy host controller
[ 10.856741][ T1] dummy_hcd dummy_hcd.30: new USB bus registered, assigned bus number 31
[ 10.859111][ T1] usb usb31: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.860511][ T1] usb usb31: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.861718][ T1] usb usb31: Product: Dummy host controller
[ 10.862685][ T1] usb usb31: Manufacturer: Linux syzkaller dummy_hcd
[ 10.863814][ T1] usb usb31: SerialNumber: dummy_hcd.30
[ 10.867499][ T1] hub 31-0:1.0: USB hub found
[ 10.868468][ T1] hub 31-0:1.0: 1 port detected
[ 10.873254][ T1] dummy_hcd dummy_hcd.31: USB Host+Gadget Emulator, driver 02 May 2005
[ 10.874509][ T1] dummy_hcd dummy_hcd.31: Dummy host controller
[ 10.876592][ T1] dummy_hcd dummy_hcd.31: new USB bus registered, assigned bus number 32
[ 10.878719][ T1] usb usb32: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 10.880093][ T1] usb usb32: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 10.881855][ T1] usb usb32: Product: Dummy host controller
[ 10.882642][ T1] usb usb32: Manufacturer: Linux syzkaller dummy_hcd
[ 10.883599][ T1] usb usb32: SerialNumber: dummy_hcd.31
[ 10.887339][ T1] hub 32-0:1.0: USB hub found
[ 10.888348][ T1] hub 32-0:1.0: 1 port detected
[ 10.983058][ T1] SPI driver max3420-udc has no spi_device_id for maxim,max3421-udc
[ 10.986372][ T1] gadgetfs: USB Gadget filesystem, version 24 Aug 2004
[ 10.992627][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller
[ 10.997126][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 33
[ 10.998949][ T1] vhci_hcd vhci_hcd.0: created sysfs vhci_hcd.0
[ 11.000804][ T1] usb usb33: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 11.002190][ T1] usb usb33: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.003422][ T1] usb usb33: Product: USB/IP Virtual Host Controller
[ 11.004401][ T1] usb usb33: Manufacturer: Linux syzkaller vhci_hcd
[ 11.008370][ T1] usb usb33: SerialNumber: vhci_hcd.0
[ 11.012025][ T1] hub 33-0:1.0: USB hub found
[ 11.013103][ T1] hub 33-0:1.0: 8 ports detected
[ 11.022594][ T1] vhci_hcd vhci_hcd.0: USB/IP Virtual Host Controller
[ 11.024532][ T1] vhci_hcd vhci_hcd.0: new USB bus registered, assigned bus number 34
[ 11.027298][ T1] usb usb34: We don't know the algorithms for LPM for this host, disabling LPM.
[ 11.029477][ T1] usb usb34: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 11.030918][ T1] usb usb34: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.032277][ T1] usb usb34: Product: USB/IP Virtual Host Controller
[ 11.033301][ T1] usb usb34: Manufacturer: Linux syzkaller vhci_hcd
[ 11.034221][ T1] usb usb34: SerialNumber: vhci_hcd.0
[ 11.038648][ T1] hub 34-0:1.0: USB hub found
[ 11.039590][ T1] hub 34-0:1.0: 8 ports detected
[ 11.052255][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller
[ 11.054150][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 35
[ 11.057364][ T1] usb usb35: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 11.058665][ T1] usb usb35: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.059810][ T1] usb usb35: Product: USB/IP Virtual Host Controller
[ 11.060700][ T1] usb usb35: Manufacturer: Linux syzkaller vhci_hcd
[ 11.061596][ T1] usb usb35: SerialNumber: vhci_hcd.1
[ 11.065356][ T1] hub 35-0:1.0: USB hub found
[ 11.066281][ T1] hub 35-0:1.0: 8 ports detected
[ 11.074509][ T1] vhci_hcd vhci_hcd.1: USB/IP Virtual Host Controller
[ 11.077314][ T1] vhci_hcd vhci_hcd.1: new USB bus registered, assigned bus number 36
[ 11.078910][ T1] usb usb36: We don't know the algorithms for LPM for this host, disabling LPM.
[ 11.080827][ T1] usb usb36: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 11.082053][ T1] usb usb36: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.083129][ T1] usb usb36: Product: USB/IP Virtual Host Controller
[ 11.084037][ T1] usb usb36: Manufacturer: Linux syzkaller vhci_hcd
[ 11.085570][ T1] usb usb36: SerialNumber: vhci_hcd.1
[ 11.089121][ T1] hub 36-0:1.0: USB hub found
[ 11.090172][ T1] hub 36-0:1.0: 8 ports detected
[ 11.100254][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller
[ 11.102645][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 37
[ 11.107089][ T1] usb usb37: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 11.116670][ T1] usb usb37: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.124845][ T1] usb usb37: Product: USB/IP Virtual Host Controller
[ 11.131524][ T1] usb usb37: Manufacturer: Linux syzkaller vhci_hcd
[ 11.138107][ T1] usb usb37: SerialNumber: vhci_hcd.2
[ 11.146644][ T1] hub 37-0:1.0: USB hub found
[ 11.151528][ T1] hub 37-0:1.0: 8 ports detected
[ 11.165170][ T1] vhci_hcd vhci_hcd.2: USB/IP Virtual Host Controller
[ 11.172707][ T1] vhci_hcd vhci_hcd.2: new USB bus registered, assigned bus number 38
[ 11.181411][ T1] usb usb38: We don't know the algorithms for LPM for this host, disabling LPM.
[ 11.191238][ T1] usb usb38: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 11.200517][ T1] usb usb38: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 11.208850][ T1] usb usb38: Product: USB/IP Virtual Host Controller
[ 11.215523][ T1] usb usb38: Manufacturer: Linux syzkaller vhci_hcd
[ 11.222087][ T1] usb usb38: SerialNumber: vhci_hcd.2
[ 11.230404][ T1] hub 38-0:1.0: USB hub found
[ 11.235349][ T1] hub 38-0:1.0: 8 ports detected
[ 11.251190][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller
[ 11.258102][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 11.258116][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 11.258126][ C1] preempt_count: 101, expected: 0
[ 11.258132][ C1] RCU nest depth: 0, expected: 0
[ 11.258138][ C1] 4 locks held by swapper/0/1:
[ 11.258145][ C1] #0: ffff8881457bd0f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 11.258182][ C1] #1: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: dev_vprintk_emit+0x394/0x3e0
[ 11.258213][ C1] #2: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 11.258249][ C1] #3: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 11.258282][ C1] Preemption disabled at:
[ 11.258285][ C1] [] vprintk_emit+0x2b2/0x6b0
[ 11.258309][ C1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 11.258326][ C1] Tainted: [W]=WARN
[ 11.258330][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 11.258337][ C1] Call Trace:
[ 11.258341][ C1]
[ 11.258346][ C1] dump_stack_lvl+0x100/0x190
[ 11.258363][ C1] __might_resched.cold+0x1ec/0x232
[ 11.258379][ C1] ? __pfx___might_resched+0x10/0x10
[ 11.258396][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 11.258414][ C1] arch_stack_walk+0xe0/0x130
[ 11.258432][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 11.258445][ C1] stack_trace_save+0x8e/0xc0
[ 11.258462][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 11.258480][ C1] ? __lock_acquire+0x4a5/0x2630
[ 11.258493][ C1] kasan_save_stack+0x30/0x50
[ 11.258506][ C1] ? kasan_save_stack+0x30/0x50
[ 11.258519][ C1] ? kasan_save_track+0x14/0x30
[ 11.258541][ C1] ? kasan_save_free_info+0x3b/0x70
[ 11.258552][ C1] ? __kasan_slab_free+0x5f/0x80
[ 11.258565][ C1] ? kmem_cache_free+0x143/0x720
[ 11.258577][ C1] ? rcu_core+0x7c0/0x15c0
[ 11.258589][ C1] ? handle_softirqs+0x1ea/0x910
[ 11.258605][ C1] ? __irq_exit_rcu+0xef/0x150
[ 11.258620][ C1] ? irq_exit_rcu+0x9/0x30
[ 11.258635][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 11.258648][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 11.258661][ C1] ? console_flush_one_record+0xac3/0xe50
[ 11.258675][ C1] ? console_unlock+0x103/0x260
[ 11.258689][ C1] ? vprintk_emit+0x407/0x6b0
[ 11.258702][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 11.258734][ C1] kasan_save_track+0x14/0x30
[ 11.258748][ C1] kasan_save_free_info+0x3b/0x70
[ 11.258759][ C1] __kasan_slab_free+0x5f/0x80
[ 11.258773][ C1] kmem_cache_free+0x143/0x720
[ 11.258785][ C1] ? rcu_core+0x7c0/0x15c0
[ 11.258800][ C1] ? rcu_core+0x7bb/0x15c0
[ 11.258813][ C1] ? rcu_core+0x7c0/0x15c0
[ 11.258825][ C1] rcu_core+0x7c0/0x15c0
[ 11.258842][ C1] ? __pfx_rcu_core+0x10/0x10
[ 11.258861][ C1] handle_softirqs+0x1ea/0x910
[ 11.258880][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 11.258899][ C1] __irq_exit_rcu+0xef/0x150
[ 11.258915][ C1] irq_exit_rcu+0x9/0x30
[ 11.258930][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 11.258942][ C1]
[ 11.258945][ C1]
[ 11.258950][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 11.258962][ C1] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 11.258979][ C1] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 11.258990][ C1] RSP: 0000:ffffc900000671b0 EFLAGS: 00000293
[ 11.258999][ C1] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 11.259007][ C1] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 11.259014][ C1] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 11.259021][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000829
[ 11.259028][ C1] R13: ffffffff8f2f9af8 R14: ffffc90000067230 R15: dffffc0000000000
[ 11.259039][ C1] ? console_flush_one_record+0xab1/0xe50
[ 11.259054][ C1] ? console_flush_one_record+0xabf/0xe50
[ 11.259074][ C1] ? __pfx_console_flush_one_record+0x10/0x10
[ 11.259094][ C1] ? is_printk_cpu_sync_owner+0x32/0x40
[ 11.259112][ C1] console_unlock+0x103/0x260
[ 11.259127][ C1] ? __pfx_console_unlock+0x10/0x10
[ 11.259144][ C1] ? do_raw_spin_unlock+0x145/0x1e0
[ 11.259157][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 11.259168][ C1] ? dev_vprintk_emit+0x394/0x3e0
[ 11.259182][ C1] vprintk_emit+0x407/0x6b0
[ 11.259197][ C1] ? __pfx_vprintk_emit+0x10/0x10
[ 11.259212][ C1] ? __lock_acquire+0x4a5/0x2630
[ 11.259227][ C1] dev_vprintk_emit+0x394/0x3e0
[ 11.259240][ C1] ? __pfx_dev_vprintk_emit+0x10/0x10
[ 11.259255][ C1] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 11.259266][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 11.259280][ C1] dev_printk_emit+0xd2/0x10d
[ 11.259291][ C1] ? __pfx_dev_printk_emit+0x10/0x10
[ 11.259303][ C1] ? __pfx_of_phandle_iterator_init+0x10/0x10
[ 11.259317][ C1] ? do_raw_spin_lock+0x128/0x260
[ 11.259335][ C1] __dev_printk+0xcb/0x100
[ 11.259347][ C1] _dev_info+0xef/0x127
[ 11.259358][ C1] ? __pfx__dev_info+0x10/0x10
[ 11.259370][ C1] ? __pfx___debug_object_init+0x10/0x10
[ 11.259386][ C1] ? usb_phy_roothub_alloc+0x2dc/0x400
[ 11.259401][ C1] ? usb_add_hcd+0x24d/0x3d0
[ 11.259419][ C1] usb_add_hcd.cold+0x65/0x1158
[ 11.259431][ C1] ? __usb_create_hcd+0x57e/0xac0
[ 11.259446][ C1] ? __usb_create_hcd+0x6de/0xac0
[ 11.259463][ C1] vhci_hcd_probe+0x14b/0x4e0
[ 11.259475][ C1] ? __pfx_vhci_hcd_probe+0x10/0x10
[ 11.259486][ C1] platform_probe+0x106/0x1d0
[ 11.259502][ C1] ? __pfx_platform_probe+0x10/0x10
[ 11.259518][ C1] really_probe+0x241/0xa60
[ 11.259532][ C1] __driver_probe_device+0x1de/0x400
[ 11.259545][ C1] driver_probe_device+0x4c/0x1b0
[ 11.259558][ C1] __device_attach_driver+0x1df/0x340
[ 11.259571][ C1] ? __pfx___device_attach_driver+0x10/0x10
[ 11.259583][ C1] bus_for_each_drv+0x159/0x1e0
[ 11.259601][ C1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 11.259617][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 11.259629][ C1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 11.259642][ C1] __device_attach+0x1e4/0x4d0
[ 11.259655][ C1] ? __pfx___device_attach+0x10/0x10
[ 11.259667][ C1] ? do_raw_spin_unlock+0x145/0x1e0
[ 11.259684][ C1] device_initial_probe+0xaf/0xd0
[ 11.259697][ C1] bus_probe_device+0x64/0x160
[ 11.259716][ C1] device_add+0x11d9/0x1950
[ 11.259735][ C1] ? __pfx_device_add+0x10/0x10
[ 11.259749][ C1] ? rcu_is_watching+0x12/0xc0
[ 11.259764][ C1] ? trace_kmalloc+0x83/0xb0
[ 11.259780][ C1] ? rcu_is_watching+0x12/0xc0
[ 11.259797][ C1] platform_device_add+0x35a/0x800
[ 11.259817][ C1] platform_device_register_full+0x482/0x610
[ 11.259838][ C1] vhci_hcd_init+0x1a9/0x300
[ 11.259854][ C1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 11.259874][ C1] ? __pfx_add_device_randomness+0x10/0x10
[ 11.259892][ C1] ? __pfx_raw_misc_device_init+0x10/0x10
[ 11.259909][ C1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 11.259924][ C1] do_one_initcall+0x11d/0x690
[ 11.259935][ C1] ? __pfx_do_one_initcall+0x10/0x10
[ 11.259960][ C1] kernel_init_freeable+0x6e5/0x790
[ 11.259973][ C1] ? __pfx_kernel_init+0x10/0x10
[ 11.259989][ C1] kernel_init+0x1f/0x1e0
[ 11.260003][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 11.260013][ C1] ? __pfx_kernel_init+0x10/0x10
[ 11.260028][ C1] ret_from_fork+0x754/0xaf0
[ 11.260043][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 11.260058][ C1] ? __switch_to+0x7b9/0x10c0
[ 11.260074][ C1] ? __pfx_kernel_init+0x10/0x10
[ 11.260090][ C1] ret_from_fork_asm+0x1a/0x30
[ 11.260108][ C1]
[ 12.012092][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 39
[ 12.021492][ T1] usb usb39: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 12.030719][ T1] usb usb39: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 12.038886][ T1] usb usb39: Product: USB/IP Virtual Host Controller
[ 12.045558][ T1] usb usb39: Manufacturer: Linux syzkaller vhci_hcd
[ 12.052117][ T1] usb usb39: SerialNumber: vhci_hcd.3
[ 12.060538][ T1] hub 39-0:1.0: USB hub found
[ 12.065642][ T1] hub 39-0:1.0: 8 ports detected
[ 12.078282][ T1] vhci_hcd vhci_hcd.3: USB/IP Virtual Host Controller
[ 12.086556][ T1] vhci_hcd vhci_hcd.3: new USB bus registered, assigned bus number 40
[ 12.095311][ T1] usb usb40: We don't know the algorithms for LPM for this host, disabling LPM.
[ 12.105271][ T1] usb usb40: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 12.114480][ T1] usb usb40: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 12.122792][ T1] usb usb40: Product: USB/IP Virtual Host Controller
[ 12.129554][ T1] usb usb40: Manufacturer: Linux syzkaller vhci_hcd
[ 12.136154][ T1] usb usb40: SerialNumber: vhci_hcd.3
[ 12.144627][ T1] hub 40-0:1.0: USB hub found
[ 12.149591][ T1] hub 40-0:1.0: 8 ports detected
[ 12.164186][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller
[ 12.173166][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 41
[ 12.182329][ T1] usb usb41: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 12.192017][ T1] usb usb41: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 12.200182][ T1] usb usb41: Product: USB/IP Virtual Host Controller
[ 12.206852][ T1] usb usb41: Manufacturer: Linux syzkaller vhci_hcd
[ 12.213410][ T1] usb usb41: SerialNumber: vhci_hcd.4
[ 12.221613][ T1] hub 41-0:1.0: USB hub found
[ 12.226588][ T1] hub 41-0:1.0: 8 ports detected
[ 12.239941][ T1] vhci_hcd vhci_hcd.4: USB/IP Virtual Host Controller
[ 12.247990][ T1] vhci_hcd vhci_hcd.4: new USB bus registered, assigned bus number 42
[ 12.256306][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 12.266150][ T1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 12.266150][ T1] preempt_count: 2, expected: 0
[ 12.266150][ T1] RCU nest depth: 1, expected: 0
[ 12.266150][ T1] 5 locks held by swapper/0/1:
[ 12.266150][ T1] #0: ffff8881457e00f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 12.266150][ T1] #1: ffffffff8f99c448 (usb_bus_idr_lock){+.+.}-{4:4}, at: register_root_hub+0x10c/0x639
[ 12.266150][ T1] #2: ffffffff8f99c398 (hcd_root_hub_lock){....}-{3:3}, at: usb_hcd_submit_urb+0x9bf/0x2150
[ 12.266150][ T1] #3: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: __queue_work+0xe9/0x10f0
[ 12.266150][ T1] #4: ffff8880b853a418 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x270/0x10f0
[ 12.266150][ T1] irq event stamp: 440172
[ 12.266150][ T1] hardirqs last enabled at (440171): [] kasan_quarantine_put+0x104/0x240
[ 12.266150][ T1] hardirqs last disabled at (440172): [] _raw_spin_lock_irq+0x45/0x50
[ 12.266150][ T1] softirqs last enabled at (440148): [] __irq_exit_rcu+0xef/0x150
[ 12.364909][ T1] softirqs last disabled at (440137): [] __irq_exit_rcu+0xef/0x150
[ 12.364909][ T1] Preemption disabled at:
[ 12.364909][ T1] [<0000000000000000>] 0x0
[ 12.364909][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 12.364909][ T1] Tainted: [W]=WARN
[ 12.364909][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 12.364909][ T1] Call Trace:
[ 12.364909][ T1]
[ 12.364909][ T1] dump_stack_lvl+0x100/0x190
[ 12.364909][ T1] __might_resched.cold+0x1ec/0x232
[ 12.364909][ T1] ? __pfx___might_resched+0x10/0x10
[ 12.364909][ T1] ? unwind_next_frame+0x3be/0x1ea0
[ 12.364909][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 12.364909][ T1] arch_stack_walk+0xe0/0x130
[ 12.364909][ T1] ? vhci_hcd_probe+0x1c2/0x4e0
[ 12.364909][ T1] stack_trace_save+0x8e/0xc0
[ 12.364909][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 12.364909][ T1] ? __lock_acquire+0x4a5/0x2630
[ 12.364909][ T1] kasan_save_stack+0x30/0x50
[ 12.364909][ T1] ? kasan_save_stack+0x30/0x50
[ 12.364909][ T1] ? kasan_record_aux_stack+0xa7/0xc0
[ 12.364909][ T1] ? insert_work+0x36/0x230
[ 12.364909][ T1] ? __queue_work+0x96f/0x10f0
[ 12.364909][ T1] ? queue_work_on+0x1a9/0x1e0
[ 12.364909][ T1] ? usb_hcd_giveback_urb+0x3b8/0x4a0
[ 12.364909][ T1] ? usb_hcd_submit_urb+0xace/0x2150
[ 12.364909][ T1] ? usb_submit_urb+0x8aa/0x1910
[ 12.364909][ T1] ? usb_start_wait_urb+0x106/0x4c0
[ 12.364909][ T1] ? usb_control_msg+0x326/0x4a0
[ 12.364909][ T1] ? usb_get_descriptor+0xbb/0x1b0
[ 12.364909][ T1] ? usb_get_device_descriptor+0x71/0xe0
[ 12.364909][ T1] ? register_root_hub+0x146/0x639
[ 12.364909][ T1] ? usb_add_hcd.cold+0xccd/0x1158
[ 12.364909][ T1] ? vhci_hcd_probe+0x1c2/0x4e0
[ 12.364909][ T1] kasan_record_aux_stack+0xa7/0xc0
[ 12.364909][ T1] insert_work+0x36/0x230
[ 12.364909][ T1] __queue_work+0x96f/0x10f0
[ 12.364909][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 12.364909][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 12.364909][ T1] queue_work_on+0x1a9/0x1e0
[ 12.364909][ T1] usb_hcd_giveback_urb+0x3b8/0x4a0
[ 12.364909][ T1] usb_hcd_submit_urb+0xace/0x2150
[ 12.364909][ T1] usb_submit_urb+0x8aa/0x1910
[ 12.364909][ T1] ? __init_swait_queue_head+0xca/0x150
[ 12.364909][ T1] usb_start_wait_urb+0x106/0x4c0
[ 12.364909][ T1] ? __pfx_usb_start_wait_urb+0x10/0x10
[ 12.364909][ T1] ? __asan_memset+0x23/0x50
[ 12.364909][ T1] usb_control_msg+0x326/0x4a0
[ 12.364909][ T1] ? __pfx_usb_control_msg+0x10/0x10
[ 12.364909][ T1] usb_get_descriptor+0xbb/0x1b0
[ 12.364909][ T1] usb_get_device_descriptor+0x71/0xe0
[ 12.364909][ T1] register_root_hub+0x146/0x639
[ 12.364909][ T1] usb_add_hcd.cold+0xccd/0x1158
[ 12.364909][ T1] vhci_hcd_probe+0x1c2/0x4e0
[ 12.364909][ T1] ? __pfx_vhci_hcd_probe+0x10/0x10
[ 12.364909][ T1] platform_probe+0x106/0x1d0
[ 12.364909][ T1] ? __pfx_platform_probe+0x10/0x10
[ 12.364909][ T1] really_probe+0x241/0xa60
[ 12.364909][ T1] __driver_probe_device+0x1de/0x400
[ 12.364909][ T1] driver_probe_device+0x4c/0x1b0
[ 12.364909][ T1] __device_attach_driver+0x1df/0x340
[ 12.364909][ T1] ? __pfx___device_attach_driver+0x10/0x10
[ 12.364909][ T1] bus_for_each_drv+0x159/0x1e0
[ 12.364909][ T1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 12.364909][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 12.364909][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 12.364909][ T1] __device_attach+0x1e4/0x4d0
[ 12.364909][ T1] ? __pfx___device_attach+0x10/0x10
[ 12.364909][ T1] ? do_raw_spin_unlock+0x145/0x1e0
[ 12.364909][ T1] device_initial_probe+0xaf/0xd0
[ 12.364909][ T1] bus_probe_device+0x64/0x160
[ 12.364909][ T1] device_add+0x11d9/0x1950
[ 12.364909][ T1] ? __pfx_device_add+0x10/0x10
[ 12.364909][ T1] ? rcu_is_watching+0x12/0xc0
[ 12.364909][ T1] ? trace_kmalloc+0x83/0xb0
[ 12.364909][ T1] ? rcu_is_watching+0x12/0xc0
[ 12.364909][ T1] platform_device_add+0x35a/0x800
[ 12.364909][ T1] platform_device_register_full+0x482/0x610
[ 12.364909][ T1] vhci_hcd_init+0x1a9/0x300
[ 12.364909][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 12.364909][ T1] ? __pfx_add_device_randomness+0x10/0x10
[ 12.364909][ T1] ? __pfx_raw_misc_device_init+0x10/0x10
[ 12.364909][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 12.364909][ T1] do_one_initcall+0x11d/0x690
[ 12.364909][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 12.364909][ T1] kernel_init_freeable+0x6e5/0x790
[ 12.364909][ T1] ? __pfx_kernel_init+0x10/0x10
[ 12.364909][ T1] kernel_init+0x1f/0x1e0
[ 12.364909][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 12.364909][ T1] ? __pfx_kernel_init+0x10/0x10
[ 12.364909][ T1] ret_from_fork+0x754/0xaf0
[ 12.364909][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 12.364909][ T1] ? __switch_to+0x7b9/0x10c0
[ 12.364909][ T1] ? __pfx_kernel_init+0x10/0x10
[ 12.364909][ T1] ret_from_fork_asm+0x1a/0x30
[ 12.364909][ T1]
[ 12.862236][ T1] usb usb42: We don't know the algorithms for LPM for this host, disabling LPM.
[ 12.872251][ T1] usb usb42: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 12.881498][ T1] usb usb42: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 12.889847][ T1] usb usb42: Product: USB/IP Virtual Host Controller
[ 12.896565][ T1] usb usb42: Manufacturer: Linux syzkaller vhci_hcd
[ 12.903153][ T1] usb usb42: SerialNumber: vhci_hcd.4
[ 12.911649][ T1] hub 42-0:1.0: USB hub found
[ 12.916626][ T1] hub 42-0:1.0: 8 ports detected
[ 12.932296][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller
[ 12.939996][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 43
[ 12.949106][ T1] usb usb43: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 12.958323][ T1] usb usb43: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 12.966507][ T1] usb usb43: Product: USB/IP Virtual Host Controller
[ 12.973174][ T1] usb usb43: Manufacturer: Linux syzkaller vhci_hcd
[ 12.979815][ T1] usb usb43: SerialNumber: vhci_hcd.5
[ 12.988955][ T1] hub 43-0:1.0: USB hub found
[ 12.993865][ T1] hub 43-0:1.0: 8 ports detected
[ 13.007598][ T1] vhci_hcd vhci_hcd.5: USB/IP Virtual Host Controller
[ 13.015507][ T1] vhci_hcd vhci_hcd.5: new USB bus registered, assigned bus number 44
[ 13.024090][ T1] usb usb44: We don't know the algorithms for LPM for this host, disabling LPM.
[ 13.033885][ T1] usb usb44: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 13.043321][ T1] usb usb44: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 13.051489][ T1] usb usb44: Product: USB/IP Virtual Host Controller
[ 13.058426][ T1] usb usb44: Manufacturer: Linux syzkaller vhci_hcd
[ 13.065021][ T1] usb usb44: SerialNumber: vhci_hcd.5
[ 13.073265][ T1] hub 44-0:1.0: USB hub found
[ 13.078332][ T1] hub 44-0:1.0: 8 ports detected
[ 13.094132][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller
[ 13.102293][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 45
[ 13.111411][ T1] usb usb45: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 13.120670][ T1] usb usb45: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 13.128819][ T1] usb usb45: Product: USB/IP Virtual Host Controller
[ 13.135555][ T1] usb usb45: Manufacturer: Linux syzkaller vhci_hcd
[ 13.142115][ T1] usb usb45: SerialNumber: vhci_hcd.6
[ 13.150719][ T1] hub 45-0:1.0: USB hub found
[ 13.155687][ T1] hub 45-0:1.0: 8 ports detected
[ 13.169594][ T1] vhci_hcd vhci_hcd.6: USB/IP Virtual Host Controller
[ 13.177222][ T1] vhci_hcd vhci_hcd.6: new USB bus registered, assigned bus number 46
[ 13.186098][ T1] usb usb46: We don't know the algorithms for LPM for this host, disabling LPM.
[ 13.195927][ T1] usb usb46: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 13.205330][ T1] usb usb46: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 13.213483][ T1] usb usb46: Product: USB/IP Virtual Host Controller
[ 13.220193][ T1] usb usb46: Manufacturer: Linux syzkaller vhci_hcd
[ 13.226807][ T1] usb usb46: SerialNumber: vhci_hcd.6
[ 13.235345][ T1] hub 46-0:1.0: USB hub found
[ 13.240273][ T1] hub 46-0:1.0: 8 ports detected
[ 13.254793][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 13.264529][ T1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 13.264734][ T1] preempt_count: 2, expected: 0
[ 13.264734][ T1] RCU nest depth: 1, expected: 0
[ 13.264734][ T1] 5 locks held by swapper/0/1:
[ 13.264734][ T1] #0: ffff8881457e60f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 13.264734][ T1] #1: ffffffff8f99c448 (usb_bus_idr_lock){+.+.}-{4:4}, at: register_root_hub+0x10c/0x639
[ 13.264734][ T1] #2: ffffffff8f99c398 (hcd_root_hub_lock){....}-{3:3}, at: usb_hcd_submit_urb+0x9bf/0x2150
[ 13.264734][ T1] #3: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: __queue_work+0xe9/0x10f0
[ 13.264734][ T1] #4: ffff8880b843a418 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x270/0x10f0
[ 13.264734][ T1] irq event stamp: 450774
[ 13.264734][ T1] hardirqs last enabled at (450773): [] kasan_quarantine_put+0x104/0x240
[ 13.264734][ T1] hardirqs last disabled at (450774): [] _raw_spin_lock_irq+0x45/0x50
[ 13.264734][ T1] softirqs last enabled at (450766): [] __irq_exit_rcu+0xef/0x150
[ 13.264734][ T1] softirqs last disabled at (450757): [] __irq_exit_rcu+0xef/0x150
[ 13.264734][ T1] Preemption disabled at:
[ 13.264734][ T1] [<0000000000000000>] 0x0
[ 13.264734][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 13.264734][ T1] Tainted: [W]=WARN
[ 13.264734][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 13.264734][ T1] Call Trace:
[ 13.264734][ T1]
[ 13.264734][ T1] dump_stack_lvl+0x100/0x190
[ 13.264734][ T1] __might_resched.cold+0x1ec/0x232
[ 13.264734][ T1] ? __pfx___might_resched+0x10/0x10
[ 13.264734][ T1] ? unwind_next_frame+0x3be/0x1ea0
[ 13.264734][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 13.264734][ T1] arch_stack_walk+0xe0/0x130
[ 13.264734][ T1] ? rpm_callback+0x16a/0x1b0
[ 13.264734][ T1] stack_trace_save+0x8e/0xc0
[ 13.264734][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 13.264734][ T1] ? __lock_acquire+0x4a5/0x2630
[ 13.264734][ T1] kasan_save_stack+0x30/0x50
[ 13.264734][ T1] ? kasan_save_stack+0x30/0x50
[ 13.264734][ T1] ? kasan_record_aux_stack+0xa7/0xc0
[ 13.264734][ T1] ? insert_work+0x36/0x230
[ 13.264734][ T1] ? __queue_work+0x96f/0x10f0
[ 13.264734][ T1] ? queue_work_on+0x1a9/0x1e0
[ 13.264734][ T1] ? usb_hcd_giveback_urb+0x3b8/0x4a0
[ 13.264734][ T1] ? usb_hcd_submit_urb+0xace/0x2150
[ 13.264734][ T1] ? usb_submit_urb+0x8aa/0x1910
[ 13.264734][ T1] ? usb_start_wait_urb+0x106/0x4c0
[ 13.264734][ T1] ? usb_control_msg+0x326/0x4a0
[ 13.264734][ T1] ? hub_suspend+0x826/0x9e0
[ 13.264734][ T1] ? usb_suspend_both+0x306/0xc40
[ 13.264734][ T1] ? usb_runtime_suspend+0x49/0x120
[ 13.264734][ T1] ? __rpm_callback+0xc8/0x620
[ 13.264734][ T1] ? rpm_callback+0x16a/0x1b0
[ 13.264734][ T1] kasan_record_aux_stack+0xa7/0xc0
[ 13.264734][ T1] insert_work+0x36/0x230
[ 13.264734][ T1] __queue_work+0x96f/0x10f0
[ 13.264734][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 13.264734][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 13.264734][ T1] queue_work_on+0x1a9/0x1e0
[ 13.264734][ T1] usb_hcd_giveback_urb+0x3b8/0x4a0
[ 13.264734][ T1] usb_hcd_submit_urb+0xace/0x2150
[ 13.264734][ T1] usb_submit_urb+0x8aa/0x1910
[ 13.264734][ T1] ? __init_swait_queue_head+0xca/0x150
[ 13.264734][ T1] usb_start_wait_urb+0x106/0x4c0
[ 13.264734][ T1] ? __pfx_usb_start_wait_urb+0x10/0x10
[ 13.264734][ T1] ? __asan_memset+0x23/0x50
[ 13.264734][ T1] usb_control_msg+0x326/0x4a0
[ 13.264734][ T1] ? __pfx_usb_control_msg+0x10/0x10
[ 13.264734][ T1] ? __lock_acquire+0x4a5/0x2630
[ 13.264734][ T1] hub_suspend+0x826/0x9e0
[ 13.264734][ T1] ? __pfx_hub_suspend+0x10/0x10
[ 13.264734][ T1] ? __pfx___might_resched+0x10/0x10
[ 13.264734][ T1] usb_suspend_both+0x306/0xc40
[ 13.264734][ T1] ? __pfx_usb_suspend_both+0x10/0x10
[ 13.264734][ T1] ? autosuspend_check+0x460/0x5e0
[ 13.264734][ T1] usb_runtime_suspend+0x49/0x120
[ 13.264734][ T1] ? __pfx_usb_runtime_suspend+0x10/0x10
[ 13.264734][ T1] __rpm_callback+0xc8/0x620
[ 13.264734][ T1] ? read_tsc+0x9/0x20
[ 13.264734][ T1] ? ktime_get_mono_fast_ns+0x1be/0x3c0
[ 13.264734][ T1] ? __pfx_usb_runtime_suspend+0x10/0x10
[ 13.264734][ T1] rpm_callback+0x16a/0x1b0
[ 13.264734][ T1] ? __pfx_usb_runtime_suspend+0x10/0x10
[ 13.264734][ T1] rpm_suspend+0x2f4/0x1160
[ 13.264734][ T1] ? __pfx_rpm_suspend+0x10/0x10
[ 13.264734][ T1] ? do_raw_spin_lock+0x128/0x260
[ 13.264734][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 13.264734][ T1] __pm_runtime_suspend+0xba/0x1a0
[ 13.264734][ T1] usb_new_device.cold+0xd61/0x115c
[ 13.264734][ T1] ? __pfx_usb_new_device+0x10/0x10
[ 13.264734][ T1] ? usb_get_bos_descriptor+0x7cf/0xab0
[ 13.264734][ T1] ? usb_device_supports_lpm+0x1e9/0x3a0
[ 13.264734][ T1] register_root_hub+0x4e6/0x639
[ 13.264734][ T1] usb_add_hcd.cold+0xccd/0x1158
[ 13.264734][ T1] vhci_hcd_probe+0x1c2/0x4e0
[ 13.264734][ T1] ? __pfx_vhci_hcd_probe+0x10/0x10
[ 13.264734][ T1] platform_probe+0x106/0x1d0
[ 13.264734][ T1] ? __pfx_platform_probe+0x10/0x10
[ 13.264734][ T1] really_probe+0x241/0xa60
[ 13.264734][ T1] __driver_probe_device+0x1de/0x400
[ 13.264734][ T1] driver_probe_device+0x4c/0x1b0
[ 13.264734][ T1] __device_attach_driver+0x1df/0x340
[ 13.264734][ T1] ? __pfx___device_attach_driver+0x10/0x10
[ 13.264734][ T1] bus_for_each_drv+0x159/0x1e0
[ 13.264734][ T1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 13.264734][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 13.264734][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 13.264734][ T1] __device_attach+0x1e4/0x4d0
[ 13.264734][ T1] ? __pfx___device_attach+0x10/0x10
[ 13.264734][ T1] ? do_raw_spin_unlock+0x145/0x1e0
[ 13.264734][ T1] device_initial_probe+0xaf/0xd0
[ 13.264734][ T1] bus_probe_device+0x64/0x160
[ 13.264734][ T1] device_add+0x11d9/0x1950
[ 13.264734][ T1] ? __pfx_device_add+0x10/0x10
[ 13.264734][ T1] ? rcu_is_watching+0x12/0xc0
[ 13.264734][ T1] ? trace_kmalloc+0x83/0xb0
[ 13.264734][ T1] ? rcu_is_watching+0x12/0xc0
[ 13.264734][ T1] platform_device_add+0x35a/0x800
[ 13.264734][ T1] platform_device_register_full+0x482/0x610
[ 13.264734][ T1] vhci_hcd_init+0x1a9/0x300
[ 13.264734][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 13.264734][ T1] ? __pfx_add_device_randomness+0x10/0x10
[ 13.264734][ T1] ? __pfx_raw_misc_device_init+0x10/0x10
[ 13.264734][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 13.264734][ T1] do_one_initcall+0x11d/0x690
[ 13.264734][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 13.264734][ T1] kernel_init_freeable+0x6e5/0x790
[ 13.264734][ T1] ? __pfx_kernel_init+0x10/0x10
[ 13.264734][ T1] kernel_init+0x1f/0x1e0
[ 13.264734][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 13.264734][ T1] ? __pfx_kernel_init+0x10/0x10
[ 13.264734][ T1] ret_from_fork+0x754/0xaf0
[ 13.264734][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 13.264734][ T1] ? __switch_to+0x7b9/0x10c0
[ 13.264734][ T1] ? __pfx_kernel_init+0x10/0x10
[ 13.264734][ T1] ret_from_fork_asm+0x1a/0x30
[ 13.264734][ T1]
[ 13.970248][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller
[ 13.977917][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 47
[ 13.987020][ T1] usb usb47: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 13.996230][ T1] usb usb47: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.004382][ T1] usb usb47: Product: USB/IP Virtual Host Controller
[ 14.011188][ T1] usb usb47: Manufacturer: Linux syzkaller vhci_hcd
[ 14.018211][ T1] usb usb47: SerialNumber: vhci_hcd.7
[ 14.026743][ T1] hub 47-0:1.0: USB hub found
[ 14.031641][ T1] hub 47-0:1.0: 8 ports detected
[ 14.045369][ T1] vhci_hcd vhci_hcd.7: USB/IP Virtual Host Controller
[ 14.052980][ T1] vhci_hcd vhci_hcd.7: new USB bus registered, assigned bus number 48
[ 14.061630][ T1] usb usb48: We don't know the algorithms for LPM for this host, disabling LPM.
[ 14.071553][ T1] usb usb48: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 14.080786][ T1] usb usb48: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.089004][ T1] usb usb48: Product: USB/IP Virtual Host Controller
[ 14.095825][ T1] usb usb48: Manufacturer: Linux syzkaller vhci_hcd
[ 14.102383][ T1] usb usb48: SerialNumber: vhci_hcd.7
[ 14.110910][ T1] hub 48-0:1.0: USB hub found
[ 14.115868][ T1] hub 48-0:1.0: 8 ports detected
[ 14.130299][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller
[ 14.138717][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 49
[ 14.147991][ T1] usb usb49: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 14.157214][ T1] usb usb49: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.165419][ T1] usb usb49: Product: USB/IP Virtual Host Controller
[ 14.172066][ T1] usb usb49: Manufacturer: Linux syzkaller vhci_hcd
[ 14.178751][ T1] usb usb49: SerialNumber: vhci_hcd.8
[ 14.187111][ T1] hub 49-0:1.0: USB hub found
[ 14.192022][ T1] hub 49-0:1.0: 8 ports detected
[ 14.204838][ T1] vhci_hcd vhci_hcd.8: USB/IP Virtual Host Controller
[ 14.212455][ T1] vhci_hcd vhci_hcd.8: new USB bus registered, assigned bus number 50
[ 14.221606][ T1] usb usb50: We don't know the algorithms for LPM for this host, disabling LPM.
[ 14.231471][ T1] usb usb50: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 14.240836][ T1] usb usb50: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.248992][ T1] usb usb50: Product: USB/IP Virtual Host Controller
[ 14.255668][ T1] usb usb50: Manufacturer: Linux syzkaller vhci_hcd
[ 14.262226][ T1] usb usb50: SerialNumber: vhci_hcd.8
[ 14.268768][ T26] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 14.278870][ T26] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 26, name: kdevtmpfs
[ 14.287639][ T26] preempt_count: 1, expected: 0
[ 14.292480][ T26] RCU nest depth: 0, expected: 0
[ 14.297415][ T26] 1 lock held by kdevtmpfs/26:
[ 14.302148][ T26] #0: ffff8880243ab270 (&lockref->lock){+.+.}-{3:3}, at: __dentry_kill+0x299/0x600
[ 14.311541][ T26] Preemption disabled at:
[ 14.311548][ T26] [<0000000000000000>] 0x0
[ 14.320263][ T26] CPU: 0 UID: 0 PID: 26 Comm: kdevtmpfs Tainted: G W syzkaller #0 PREEMPT(full)
[ 14.320281][ T26] Tainted: [W]=WARN
[ 14.320285][ T26] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 14.320291][ T26] Call Trace:
[ 14.320297][ T26]
[ 14.320302][ T26] dump_stack_lvl+0x100/0x190
[ 14.320322][ T26] __might_resched.cold+0x1ec/0x232
[ 14.320337][ T26] ? __pfx___might_resched+0x10/0x10
[ 14.320351][ T26] ? ret_from_fork+0x754/0xaf0
[ 14.320364][ T26] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 14.320381][ T26] arch_stack_walk+0xe0/0x130
[ 14.320401][ T26] ? devtmpfsd+0x3f/0x50
[ 14.320420][ T26] stack_trace_save+0x8e/0xc0
[ 14.320435][ T26] ? __pfx_stack_trace_save+0x10/0x10
[ 14.320449][ T26] ? __lock_acquire+0x4a5/0x2630
[ 14.320462][ T26] ? __lock_acquire+0x4a5/0x2630
[ 14.320473][ T26] kasan_save_stack+0x30/0x50
[ 14.320485][ T26] ? kasan_save_stack+0x30/0x50
[ 14.320497][ T26] ? kasan_record_aux_stack+0xa7/0xc0
[ 14.320506][ T26] ? __call_rcu_common.constprop.0+0xa5/0x9b0
[ 14.320519][ T26] ? dentry_free+0xc2/0x170
[ 14.320531][ T26] ? __dentry_kill+0x49a/0x600
[ 14.320545][ T26] ? finish_dput+0x76/0x480
[ 14.320559][ T26] ? dput.part.0+0x456/0x570
[ 14.320567][ T26] ? dput+0x1f/0x30
[ 14.320575][ T26] ? step_into_slowpath+0x843/0xf50
[ 14.320585][ T26] ? link_path_walk+0xf28/0x1cc0
[ 14.320594][ T26] ? __filename_parentat+0x213/0x740
[ 14.320604][ T26] ? filename_create+0xbe/0x400
[ 14.320614][ T26] ? start_creating_path+0x35/0x50
[ 14.320624][ T26] ? devtmpfs_work_loop+0x1da/0xae4
[ 14.320636][ T26] ? devtmpfsd+0x3f/0x50
[ 14.320667][ T26] kasan_record_aux_stack+0xa7/0xc0
[ 14.320677][ T26] ? __pfx___d_free+0x10/0x10
[ 14.320689][ T26] __call_rcu_common.constprop.0+0xa5/0x9b0
[ 14.320704][ T26] dentry_free+0xc2/0x170
[ 14.320717][ T26] __dentry_kill+0x49a/0x600
[ 14.320733][ T26] finish_dput+0x76/0x480
[ 14.320750][ T26] dput.part.0+0x456/0x570
[ 14.320760][ T26] dput+0x1f/0x30
[ 14.320768][ T26] step_into_slowpath+0x843/0xf50
[ 14.320782][ T26] ? __pfx_step_into_slowpath+0x10/0x10
[ 14.320792][ T26] ? lookup_slow+0x5b/0x70
[ 14.320807][ T26] ? lookup_slow+0x5b/0x70
[ 14.320826][ T26] link_path_walk+0xf28/0x1cc0
[ 14.320843][ T26] __filename_parentat+0x213/0x740
[ 14.320853][ T26] ? devtmpfsd+0x3f/0x50
[ 14.320870][ T26] ? __pfx___filename_parentat+0x10/0x10
[ 14.320898][ T26] filename_create+0xbe/0x400
[ 14.320909][ T26] ? __pfx_filename_create+0x10/0x10
[ 14.320920][ T26] ? getname_kernel+0x52/0x370
[ 14.320935][ T26] ? __asan_memcpy+0x3c/0x60
[ 14.320948][ T26] start_creating_path+0x35/0x50
[ 14.320959][ T26] ? devtmpfs_work_loop+0xa66/0xae4
[ 14.320971][ T26] devtmpfs_work_loop+0x1da/0xae4
[ 14.320985][ T26] ? do_raw_spin_unlock+0x145/0x1e0
[ 14.320997][ T26] ? __pfx_devtmpfs_work_loop+0x10/0x10
[ 14.321009][ T26] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 14.321022][ T26] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 14.321037][ T26] ? devtmpfsd+0x23/0x50
[ 14.321053][ T26] ? rcu_is_watching+0x12/0xc0
[ 14.321067][ T26] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 14.321079][ T26] ? __pfx_devtmpfsd+0x10/0x10
[ 14.321093][ T26] devtmpfsd+0x3f/0x50
[ 14.321108][ T26] kthread+0x3b3/0x730
[ 14.321121][ T26] ? __pfx_kthread+0x10/0x10
[ 14.321130][ T26] ? ret_from_fork+0x79/0xaf0
[ 14.321142][ T26] ? ret_from_fork+0x79/0xaf0
[ 14.321153][ T26] ? rcu_is_watching+0x12/0xc0
[ 14.321167][ T26] ? __pfx_kthread+0x10/0x10
[ 14.321178][ T26] ret_from_fork+0x754/0xaf0
[ 14.321191][ T26] ? __pfx_ret_from_fork+0x10/0x10
[ 14.321204][ T26] ? __switch_to+0x7b9/0x10c0
[ 14.321219][ T26] ? __pfx_kthread+0x10/0x10
[ 14.321231][ T26] ret_from_fork_asm+0x1a/0x30
[ 14.321248][ T26]
[ 14.323093][ T1] hub 50-0:1.0: USB hub found
[ 14.700917][ T1] hub 50-0:1.0: 8 ports detected
[ 14.716426][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller
[ 14.724686][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 51
[ 14.734236][ T1] usb usb51: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 14.743474][ T1] usb usb51: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.751828][ T1] usb usb51: Product: USB/IP Virtual Host Controller
[ 14.758503][ T1] usb usb51: Manufacturer: Linux syzkaller vhci_hcd
[ 14.765086][ T1] usb usb51: SerialNumber: vhci_hcd.9
[ 14.773314][ T1] hub 51-0:1.0: USB hub found
[ 14.778307][ T1] hub 51-0:1.0: 8 ports detected
[ 14.791698][ T1] vhci_hcd vhci_hcd.9: USB/IP Virtual Host Controller
[ 14.799874][ T1] vhci_hcd vhci_hcd.9: new USB bus registered, assigned bus number 52
[ 14.808660][ T1] usb usb52: We don't know the algorithms for LPM for this host, disabling LPM.
[ 14.818506][ T1] usb usb52: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 14.827802][ T1] usb usb52: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.836078][ T1] usb usb52: Product: USB/IP Virtual Host Controller
[ 14.842724][ T1] usb usb52: Manufacturer: Linux syzkaller vhci_hcd
[ 14.849310][ T1] usb usb52: SerialNumber: vhci_hcd.9
[ 14.857555][ T1] hub 52-0:1.0: USB hub found
[ 14.862464][ T1] hub 52-0:1.0: 8 ports detected
[ 14.878214][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller
[ 14.886455][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 53
[ 14.895739][ T1] usb usb53: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 14.904956][ T1] usb usb53: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.913098][ T1] usb usb53: Product: USB/IP Virtual Host Controller
[ 14.919795][ T1] usb usb53: Manufacturer: Linux syzkaller vhci_hcd
[ 14.926494][ T1] usb usb53: SerialNumber: vhci_hcd.10
[ 14.934984][ T1] hub 53-0:1.0: USB hub found
[ 14.939910][ T1] hub 53-0:1.0: 8 ports detected
[ 14.953184][ T1] vhci_hcd vhci_hcd.10: USB/IP Virtual Host Controller
[ 14.961378][ T1] vhci_hcd vhci_hcd.10: new USB bus registered, assigned bus number 54
[ 14.970316][ T1] usb usb54: We don't know the algorithms for LPM for this host, disabling LPM.
[ 14.980544][ T1] usb usb54: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 14.989837][ T1] usb usb54: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 14.998026][ T1] usb usb54: Product: USB/IP Virtual Host Controller
[ 15.004682][ T1] usb usb54: Manufacturer: Linux syzkaller vhci_hcd
[ 15.011284][ T1] usb usb54: SerialNumber: vhci_hcd.10
[ 15.019799][ T1] hub 54-0:1.0: USB hub found
[ 15.024901][ T1] hub 54-0:1.0: 8 ports detected
[ 15.040025][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller
[ 15.048858][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 55
[ 15.058334][ T1] usb usb55: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 15.067557][ T1] usb usb55: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 15.075840][ T1] usb usb55: Product: USB/IP Virtual Host Controller
[ 15.082498][ T1] usb usb55: Manufacturer: Linux syzkaller vhci_hcd
[ 15.089091][ T1] usb usb55: SerialNumber: vhci_hcd.11
[ 15.097534][ T1] hub 55-0:1.0: USB hub found
[ 15.102445][ T1] hub 55-0:1.0: 8 ports detected
[ 15.116328][ T1] vhci_hcd vhci_hcd.11: USB/IP Virtual Host Controller
[ 15.124009][ T1] vhci_hcd vhci_hcd.11: new USB bus registered, assigned bus number 56
[ 15.132748][ T1] usb usb56: We don't know the algorithms for LPM for this host, disabling LPM.
[ 15.142597][ T1] usb usb56: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 15.151836][ T1] usb usb56: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 15.160010][ T1] usb usb56: Product: USB/IP Virtual Host Controller
[ 15.166690][ T1] usb usb56: Manufacturer: Linux syzkaller vhci_hcd
[ 15.173254][ T1] usb usb56: SerialNumber: vhci_hcd.11
[ 15.181935][ T1] hub 56-0:1.0: USB hub found
[ 15.186932][ T1] hub 56-0:1.0: 8 ports detected
[ 15.202726][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller
[ 15.211017][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 57
[ 15.220214][ T1] usb usb57: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 15.229430][ T1] usb usb57: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 15.237583][ T1] usb usb57: Product: USB/IP Virtual Host Controller
[ 15.244228][ T1] usb usb57: Manufacturer: Linux syzkaller vhci_hcd
[ 15.250815][ T1] usb usb57: SerialNumber: vhci_hcd.12
[ 15.259258][ T1] hub 57-0:1.0: USB hub found
[ 15.264195][ T1] hub 57-0:1.0: 8 ports detected
[ 15.269178][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 15.269192][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 15.269202][ C0] preempt_count: 101, expected: 0
[ 15.269208][ C0] RCU nest depth: 0, expected: 0
[ 15.269214][ C0] 7 locks held by swapper/0/1:
[ 15.269221][ C0] #0: ffff88802b4ec0f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 15.269258][ C0] #1: ffffffff8f99c448 (usb_bus_idr_lock){+.+.}-{4:4}, at: register_root_hub+0x10c/0x639
[ 15.269290][ C0] #2: ffff88802b4ee198 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 15.269330][ C0] #3: ffff88802b4ef160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 15.269363][ C0] #4: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: dev_vprintk_emit+0x394/0x3e0
[ 15.269394][ C0] #5: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 15.269429][ C0] #6: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 15.269462][ C0] Preemption disabled at:
[ 15.269466][ C0] [] vprintk_emit+0x2b2/0x6b0
[ 15.269489][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 15.269505][ C0] Tainted: [W]=WARN
[ 15.269509][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 15.269516][ C0] Call Trace:
[ 15.269521][ C0]
[ 15.269526][ C0] dump_stack_lvl+0x100/0x190
[ 15.269543][ C0] __might_resched.cold+0x1ec/0x232
[ 15.269566][ C0] ? __pfx___might_resched+0x10/0x10
[ 15.269582][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 15.269600][ C0] arch_stack_walk+0xe0/0x130
[ 15.269619][ C0] ? console_unlock+0x103/0x260
[ 15.269636][ C0] stack_trace_save+0x8e/0xc0
[ 15.269652][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 15.269670][ C0] ? __lock_acquire+0x4a5/0x2630
[ 15.269683][ C0] kasan_save_stack+0x30/0x50
[ 15.269697][ C0] ? kasan_save_stack+0x30/0x50
[ 15.269710][ C0] ? kasan_save_track+0x14/0x30
[ 15.269722][ C0] ? kasan_save_free_info+0x3b/0x70
[ 15.269732][ C0] ? __kasan_slab_free+0x5f/0x80
[ 15.269746][ C0] ? kfree+0x1c7/0x690
[ 15.269756][ C0] ? security_task_free+0x9d/0x1a0
[ 15.269770][ C0] ? __put_task_struct+0x125/0x3c0
[ 15.269786][ C0] ? rcu_core+0x7c0/0x15c0
[ 15.269798][ C0] ? handle_softirqs+0x1ea/0x910
[ 15.269814][ C0] ? __irq_exit_rcu+0xef/0x150
[ 15.269829][ C0] ? irq_exit_rcu+0x9/0x30
[ 15.269844][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 15.269856][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 15.269869][ C0] ? console_flush_one_record+0xac3/0xe50
[ 15.269883][ C0] ? console_unlock+0x103/0x260
[ 15.269914][ C0] kasan_save_track+0x14/0x30
[ 15.269927][ C0] kasan_save_free_info+0x3b/0x70
[ 15.269938][ C0] __kasan_slab_free+0x5f/0x80
[ 15.269953][ C0] kfree+0x1c7/0x690
[ 15.269963][ C0] ? security_task_free+0x9d/0x1a0
[ 15.269978][ C0] ? rcu_core+0x7bb/0x15c0
[ 15.269991][ C0] ? security_task_free+0x9d/0x1a0
[ 15.270005][ C0] security_task_free+0x9d/0x1a0
[ 15.270019][ C0] __put_task_struct+0x125/0x3c0
[ 15.270035][ C0] rcu_core+0x7c0/0x15c0
[ 15.270055][ C0] ? __pfx_rcu_core+0x10/0x10
[ 15.270068][ C0] ? ktime_get+0x1a7/0x300
[ 15.270090][ C0] handle_softirqs+0x1ea/0x910
[ 15.270109][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 15.270128][ C0] __irq_exit_rcu+0xef/0x150
[ 15.270144][ C0] irq_exit_rcu+0x9/0x30
[ 15.270159][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 15.270171][ C0]
[ 15.270175][ C0]
[ 15.270181][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 15.270194][ C0] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 15.270210][ C0] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 15.270221][ C0] RSP: 0000:ffffc900000666e0 EFLAGS: 00000293
[ 15.270230][ C0] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 15.270238][ C0] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 15.270245][ C0] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 15.270252][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000aac
[ 15.270258][ C0] R13: ffffffff8f2f9af8 R14: ffffc90000066760 R15: dffffc0000000000
[ 15.270270][ C0] ? console_flush_one_record+0xab1/0xe50
[ 15.270285][ C0] ? console_flush_one_record+0xabf/0xe50
[ 15.270306][ C0] ? __pfx_console_flush_one_record+0x10/0x10
[ 15.270328][ C0] ? is_printk_cpu_sync_owner+0x32/0x40
[ 15.270347][ C0] console_unlock+0x103/0x260
[ 15.270362][ C0] ? __pfx_console_unlock+0x10/0x10
[ 15.270380][ C0] ? dev_vprintk_emit+0x394/0x3e0
[ 15.270394][ C0] vprintk_emit+0x407/0x6b0
[ 15.270410][ C0] ? __pfx_vprintk_emit+0x10/0x10
[ 15.270424][ C0] ? kfree+0x1c7/0x690
[ 15.270433][ C0] ? hub_probe.cold+0xd56/0x2f2b
[ 15.270444][ C0] ? really_probe+0x241/0xa60
[ 15.270454][ C0] ? __driver_probe_device+0x1de/0x400
[ 15.270465][ C0] ? driver_probe_device+0x4c/0x1b0
[ 15.270479][ C0] dev_vprintk_emit+0x394/0x3e0
[ 15.270492][ C0] ? __pfx_dev_vprintk_emit+0x10/0x10
[ 15.270503][ C0] ? bus_probe_device+0x64/0x160
[ 15.270522][ C0] ? driver_probe_device+0x4c/0x1b0
[ 15.270533][ C0] ? __device_attach_driver+0x1df/0x340
[ 15.270544][ C0] ? bus_for_each_drv+0x159/0x1e0
[ 15.270564][ C0] ? __device_attach+0x1e4/0x4d0
[ 15.270574][ C0] ? device_initial_probe+0xaf/0xd0
[ 15.270586][ C0] ? bus_probe_device+0x64/0x160
[ 15.270602][ C0] ? device_add+0x11d9/0x1950
[ 15.270617][ C0] dev_printk_emit+0xd2/0x10d
[ 15.270629][ C0] ? __pfx_dev_printk_emit+0x10/0x10
[ 15.270643][ C0] ? kasan_quarantine_put+0x104/0x240
[ 15.270660][ C0] __dev_printk+0xcb/0x100
[ 15.270672][ C0] _dev_info+0xef/0x127
[ 15.270683][ C0] ? __pfx__dev_info+0x10/0x10
[ 15.270694][ C0] ? usb_control_msg+0x39d/0x4a0
[ 15.270706][ C0] ? usb_control_msg+0x3a2/0x4a0
[ 15.270717][ C0] ? __pfx_usb_control_msg+0x10/0x10
[ 15.270734][ C0] hub_probe.cold+0x1146/0x2f2b
[ 15.270749][ C0] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 15.270763][ C0] ? __pfx_hub_probe+0x10/0x10
[ 15.270776][ C0] ? __traceiter_contention_begin+0x20/0xa0
[ 15.270791][ C0] ? mark_held_locks+0x40/0x70
[ 15.270802][ C0] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 15.270816][ C0] usb_probe_interface+0x303/0x8f0
[ 15.270834][ C0] ? __pfx_usb_probe_interface+0x10/0x10
[ 15.270850][ C0] really_probe+0x241/0xa60
[ 15.270863][ C0] __driver_probe_device+0x1de/0x400
[ 15.270877][ C0] driver_probe_device+0x4c/0x1b0
[ 15.270889][ C0] __device_attach_driver+0x1df/0x340
[ 15.270902][ C0] ? __pfx___device_attach_driver+0x10/0x10
[ 15.270914][ C0] bus_for_each_drv+0x159/0x1e0
[ 15.270932][ C0] ? __pfx_bus_for_each_drv+0x10/0x10
[ 15.270948][ C0] ? lockdep_hardirqs_on+0x78/0x100
[ 15.270960][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 15.270974][ C0] __device_attach+0x1e4/0x4d0
[ 15.270986][ C0] ? __pfx___device_attach+0x10/0x10
[ 15.270999][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 15.271015][ C0] device_initial_probe+0xaf/0xd0
[ 15.271028][ C0] bus_probe_device+0x64/0x160
[ 15.271047][ C0] device_add+0x11d9/0x1950
[ 15.271062][ C0] ? __pfx_device_add+0x10/0x10
[ 15.271076][ C0] ? mark_held_locks+0x40/0x70
[ 15.271092][ C0] usb_set_configuration+0xd97/0x1c60
[ 15.271115][ C0] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 15.271126][ C0] usb_generic_driver_probe+0xa1/0xe0
[ 15.271138][ C0] usb_probe_device+0xef/0x400
[ 15.271151][ C0] ? __pfx_usb_probe_device+0x10/0x10
[ 15.271166][ C0] really_probe+0x241/0xa60
[ 15.271179][ C0] __driver_probe_device+0x1de/0x400
[ 15.271191][ C0] ? usb_driver_applicable+0x1c7/0x220
[ 15.271207][ C0] driver_probe_device+0x4c/0x1b0
[ 15.271220][ C0] __device_attach_driver+0x1df/0x340
[ 15.271233][ C0] ? __pfx___device_attach_driver+0x10/0x10
[ 15.271244][ C0] bus_for_each_drv+0x159/0x1e0
[ 15.271261][ C0] ? __pfx_bus_for_each_drv+0x10/0x10
[ 15.271278][ C0] ? lockdep_hardirqs_on+0x78/0x100
[ 15.271290][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 15.271303][ C0] __device_attach+0x1e4/0x4d0
[ 15.271315][ C0] ? __pfx___device_attach+0x10/0x10
[ 15.271328][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 15.271344][ C0] device_initial_probe+0xaf/0xd0
[ 15.271357][ C0] bus_probe_device+0x64/0x160
[ 15.271376][ C0] device_add+0x11d9/0x1950
[ 15.271391][ C0] ? __pfx_device_add+0x10/0x10
[ 15.271405][ C0] ? add_device_randomness+0xb7/0xf0
[ 15.271427][ C0] usb_new_device.cold+0x685/0x115c
[ 15.271443][ C0] ? __pfx_usb_new_device+0x10/0x10
[ 15.271455][ C0] ? usb_get_descriptor+0xc6/0x1b0
[ 15.271467][ C0] ? register_root_hub+0x2d4/0x639
[ 15.271481][ C0] register_root_hub+0x4e6/0x639
[ 15.271494][ C0] usb_add_hcd.cold+0xccd/0x1158
[ 15.271509][ C0] vhci_hcd_probe+0x14b/0x4e0
[ 15.271522][ C0] ? __pfx_vhci_hcd_probe+0x10/0x10
[ 15.271533][ C0] platform_probe+0x106/0x1d0
[ 15.271549][ C0] ? __pfx_platform_probe+0x10/0x10
[ 15.271570][ C0] really_probe+0x241/0xa60
[ 15.271583][ C0] __driver_probe_device+0x1de/0x400
[ 15.271596][ C0] driver_probe_device+0x4c/0x1b0
[ 15.271609][ C0] __device_attach_driver+0x1df/0x340
[ 15.271622][ C0] ? __pfx___device_attach_driver+0x10/0x10
[ 15.271634][ C0] bus_for_each_drv+0x159/0x1e0
[ 15.271650][ C0] ? __pfx_bus_for_each_drv+0x10/0x10
[ 15.271667][ C0] ? lockdep_hardirqs_on+0x78/0x100
[ 15.271680][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 15.271693][ C0] __device_attach+0x1e4/0x4d0
[ 15.271705][ C0] ? __pfx___device_attach+0x10/0x10
[ 15.271718][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 15.271735][ C0] device_initial_probe+0xaf/0xd0
[ 15.271748][ C0] bus_probe_device+0x64/0x160
[ 15.271766][ C0] device_add+0x11d9/0x1950
[ 15.271782][ C0] ? __pfx_device_add+0x10/0x10
[ 15.271796][ C0] ? rcu_is_watching+0x12/0xc0
[ 15.271812][ C0] ? trace_kmalloc+0x83/0xb0
[ 15.271828][ C0] ? rcu_is_watching+0x12/0xc0
[ 15.271845][ C0] platform_device_add+0x35a/0x800
[ 15.271865][ C0] platform_device_register_full+0x482/0x610
[ 15.271885][ C0] vhci_hcd_init+0x1a9/0x300
[ 15.271903][ C0] ? __pfx_vhci_hcd_init+0x10/0x10
[ 15.271923][ C0] ? __pfx_add_device_randomness+0x10/0x10
[ 15.271940][ C0] ? __pfx_raw_misc_device_init+0x10/0x10
[ 15.271958][ C0] ? __pfx_vhci_hcd_init+0x10/0x10
[ 15.271973][ C0] do_one_initcall+0x11d/0x690
[ 15.271985][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 15.272010][ C0] kernel_init_freeable+0x6e5/0x790
[ 15.272023][ C0] ? __pfx_kernel_init+0x10/0x10
[ 15.272040][ C0] kernel_init+0x1f/0x1e0
[ 15.272057][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 15.272067][ C0] ? __pfx_kernel_init+0x10/0x10
[ 15.272082][ C0] ret_from_fork+0x754/0xaf0
[ 15.272098][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 15.272113][ C0] ? __switch_to+0x7b9/0x10c0
[ 15.272129][ C0] ? __pfx_kernel_init+0x10/0x10
[ 15.272145][ C0] ret_from_fork_asm+0x1a/0x30
[ 15.272171][ C0]
[ 16.360330][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 16.370148][ T1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 16.370148][ T1] preempt_count: 2, expected: 0
[ 16.370148][ T1] RCU nest depth: 1, expected: 0
[ 16.370148][ T1] 7 locks held by swapper/0/1:
[ 16.370148][ T1] #0: ffff88802b4ec0f8 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 16.370148][ T1] #1: ffffffff8f99c448 (usb_bus_idr_lock){+.+.}-{4:4}, at: register_root_hub+0x10c/0x639
[ 16.370148][ T1] #2: ffff88802b4ee198 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 16.370148][ T1] #3: ffff88802b4ef160 (&dev->mutex){....}-{4:4}, at: __device_attach+0x7e/0x4d0
[ 16.370148][ T1] #4: ffffffff8f99c398 (hcd_root_hub_lock){....}-{3:3}, at: usb_hcd_submit_urb+0x9bf/0x2150
[ 16.370148][ T1] #5: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: __queue_work+0xe9/0x10f0
[ 16.370148][ T1] #6: ffff8880b853a418 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x6db/0x10f0
[ 16.370148][ T1] irq event stamp: 475416
[ 16.370148][ T1] hardirqs last enabled at (475415): [] kasan_quarantine_put+0x104/0x240
[ 16.370148][ T1] hardirqs last disabled at (475416): [] _raw_spin_lock_irq+0x45/0x50
[ 16.370148][ T1] softirqs last enabled at (475368): [] __irq_exit_rcu+0xef/0x150
[ 16.370148][ T1] softirqs last disabled at (475363): [] __irq_exit_rcu+0xef/0x150
[ 16.370148][ T1] Preemption disabled at:
[ 16.370148][ T1] [<0000000000000000>] 0x0
[ 16.370148][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 16.370148][ T1] Tainted: [W]=WARN
[ 16.370148][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 16.370148][ T1] Call Trace:
[ 16.370148][ T1]
[ 16.370148][ T1] dump_stack_lvl+0x100/0x190
[ 16.370148][ T1] __might_resched.cold+0x1ec/0x232
[ 16.370148][ T1] ? __pfx___might_resched+0x10/0x10
[ 16.370148][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 16.370148][ T1] arch_stack_walk+0xe0/0x130
[ 16.370148][ T1] ? __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] stack_trace_save+0x8e/0xc0
[ 16.370148][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 16.370148][ T1] ? __lock_acquire+0x4a5/0x2630
[ 16.370148][ T1] kasan_save_stack+0x30/0x50
[ 16.370148][ T1] ? kasan_save_stack+0x30/0x50
[ 16.370148][ T1] ? kasan_record_aux_stack+0xa7/0xc0
[ 16.370148][ T1] ? insert_work+0x36/0x230
[ 16.370148][ T1] ? __queue_work+0x96f/0x10f0
[ 16.370148][ T1] ? queue_work_on+0x1a9/0x1e0
[ 16.370148][ T1] ? usb_hcd_giveback_urb+0x3b8/0x4a0
[ 16.370148][ T1] ? usb_hcd_submit_urb+0xace/0x2150
[ 16.370148][ T1] ? usb_submit_urb+0x8aa/0x1910
[ 16.370148][ T1] ? usb_start_wait_urb+0x106/0x4c0
[ 16.370148][ T1] ? usb_control_msg+0x326/0x4a0
[ 16.370148][ T1] ? usb_get_status+0xdc/0x280
[ 16.370148][ T1] ? hub_probe.cold+0x1c9a/0x2f2b
[ 16.370148][ T1] ? usb_probe_interface+0x303/0x8f0
[ 16.370148][ T1] ? really_probe+0x241/0xa60
[ 16.370148][ T1] ? __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] kasan_record_aux_stack+0xa7/0xc0
[ 16.370148][ T1] insert_work+0x36/0x230
[ 16.370148][ T1] __queue_work+0x96f/0x10f0
[ 16.370148][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 16.370148][ T1] ? usb_hcd_giveback_urb+0x2a3/0x4a0
[ 16.370148][ T1] queue_work_on+0x1a9/0x1e0
[ 16.370148][ T1] usb_hcd_giveback_urb+0x3b8/0x4a0
[ 16.370148][ T1] usb_hcd_submit_urb+0xace/0x2150
[ 16.370148][ T1] ? device_move+0xb20/0x1140
[ 16.370148][ T1] ? __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] ? driver_probe_device+0x4c/0x1b0
[ 16.370148][ T1] usb_submit_urb+0x8aa/0x1910
[ 16.370148][ T1] ? __init_swait_queue_head+0xca/0x150
[ 16.370148][ T1] usb_start_wait_urb+0x106/0x4c0
[ 16.370148][ T1] ? __pfx_usb_start_wait_urb+0x10/0x10
[ 16.370148][ T1] ? __asan_memset+0x23/0x50
[ 16.370148][ T1] usb_control_msg+0x326/0x4a0
[ 16.370148][ T1] ? __pfx_usb_control_msg+0x10/0x10
[ 16.370148][ T1] ? trace_kmalloc+0x83/0xb0
[ 16.370148][ T1] ? hub_probe.cold+0x1159/0x2f2b
[ 16.370148][ T1] usb_get_status+0xdc/0x280
[ 16.370148][ T1] hub_probe.cold+0x1c9a/0x2f2b
[ 16.370148][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 16.370148][ T1] ? __pfx_hub_probe+0x10/0x10
[ 16.370148][ T1] ? __traceiter_contention_begin+0x20/0xa0
[ 16.370148][ T1] ? mark_held_locks+0x40/0x70
[ 16.370148][ T1] ? _raw_spin_unlock_irqrestore+0x52/0x80
[ 16.370148][ T1] usb_probe_interface+0x303/0x8f0
[ 16.370148][ T1] ? __pfx_usb_probe_interface+0x10/0x10
[ 16.370148][ T1] really_probe+0x241/0xa60
[ 16.370148][ T1] __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] driver_probe_device+0x4c/0x1b0
[ 16.370148][ T1] __device_attach_driver+0x1df/0x340
[ 16.370148][ T1] ? __pfx___device_attach_driver+0x10/0x10
[ 16.370148][ T1] bus_for_each_drv+0x159/0x1e0
[ 16.370148][ T1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 16.370148][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 16.370148][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 16.370148][ T1] __device_attach+0x1e4/0x4d0
[ 16.370148][ T1] ? __pfx___device_attach+0x10/0x10
[ 16.370148][ T1] ? do_raw_spin_unlock+0x145/0x1e0
[ 16.370148][ T1] device_initial_probe+0xaf/0xd0
[ 16.370148][ T1] bus_probe_device+0x64/0x160
[ 16.370148][ T1] device_add+0x11d9/0x1950
[ 16.370148][ T1] ? __pfx_device_add+0x10/0x10
[ 16.370148][ T1] ? mark_held_locks+0x40/0x70
[ 16.370148][ T1] usb_set_configuration+0xd97/0x1c60
[ 16.370148][ T1] ? __pfx_usb_generic_driver_probe+0x10/0x10
[ 16.370148][ T1] usb_generic_driver_probe+0xa1/0xe0
[ 16.370148][ T1] usb_probe_device+0xef/0x400
[ 16.370148][ T1] ? __pfx_usb_probe_device+0x10/0x10
[ 16.370148][ T1] really_probe+0x241/0xa60
[ 16.370148][ T1] __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] ? usb_driver_applicable+0x1c7/0x220
[ 16.370148][ T1] driver_probe_device+0x4c/0x1b0
[ 16.370148][ T1] __device_attach_driver+0x1df/0x340
[ 16.370148][ T1] ? __pfx___device_attach_driver+0x10/0x10
[ 16.370148][ T1] bus_for_each_drv+0x159/0x1e0
[ 16.370148][ T1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 16.370148][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 16.370148][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 16.370148][ T1] __device_attach+0x1e4/0x4d0
[ 16.370148][ T1] ? __pfx___device_attach+0x10/0x10
[ 16.370148][ T1] ? do_raw_spin_unlock+0x145/0x1e0
[ 16.370148][ T1] device_initial_probe+0xaf/0xd0
[ 16.370148][ T1] bus_probe_device+0x64/0x160
[ 16.370148][ T1] device_add+0x11d9/0x1950
[ 16.370148][ T1] ? __pfx_device_add+0x10/0x10
[ 16.370148][ T1] ? add_device_randomness+0xb7/0xf0
[ 16.370148][ T1] usb_new_device.cold+0x685/0x115c
[ 16.370148][ T1] ? __pfx_usb_new_device+0x10/0x10
[ 16.370148][ T1] ? usb_get_descriptor+0xc6/0x1b0
[ 16.370148][ T1] ? register_root_hub+0x2d4/0x639
[ 16.370148][ T1] register_root_hub+0x4e6/0x639
[ 16.370148][ T1] usb_add_hcd.cold+0xccd/0x1158
[ 16.370148][ T1] vhci_hcd_probe+0x14b/0x4e0
[ 16.370148][ T1] ? __pfx_vhci_hcd_probe+0x10/0x10
[ 16.370148][ T1] platform_probe+0x106/0x1d0
[ 16.370148][ T1] ? __pfx_platform_probe+0x10/0x10
[ 16.370148][ T1] really_probe+0x241/0xa60
[ 16.370148][ T1] __driver_probe_device+0x1de/0x400
[ 16.370148][ T1] driver_probe_device+0x4c/0x1b0
[ 16.370148][ T1] __device_attach_driver+0x1df/0x340
[ 16.370148][ T1] ? __pfx___device_attach_driver+0x10/0x10
[ 16.370148][ T1] bus_for_each_drv+0x159/0x1e0
[ 16.370148][ T1] ? __pfx_bus_for_each_drv+0x10/0x10
[ 16.370148][ T1] ? lockdep_hardirqs_on+0x78/0x100
[ 16.370148][ T1] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 16.370148][ T1] __device_attach+0x1e4/0x4d0
[ 16.370148][ T1] ? __pfx___device_attach+0x10/0x10
[ 16.370148][ T1] ? do_raw_spin_unlock+0x145/0x1e0
[ 16.370148][ T1] device_initial_probe+0xaf/0xd0
[ 16.370148][ T1] bus_probe_device+0x64/0x160
[ 16.370148][ T1] device_add+0x11d9/0x1950
[ 16.370148][ T1] ? __pfx_device_add+0x10/0x10
[ 16.370148][ T1] ? rcu_is_watching+0x12/0xc0
[ 16.370148][ T1] ? trace_kmalloc+0x83/0xb0
[ 16.370148][ T1] ? rcu_is_watching+0x12/0xc0
[ 16.370148][ T1] platform_device_add+0x35a/0x800
[ 16.370148][ T1] platform_device_register_full+0x482/0x610
[ 16.370148][ T1] vhci_hcd_init+0x1a9/0x300
[ 16.370148][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 16.370148][ T1] ? __pfx_add_device_randomness+0x10/0x10
[ 16.370148][ T1] ? __pfx_raw_misc_device_init+0x10/0x10
[ 16.370148][ T1] ? __pfx_vhci_hcd_init+0x10/0x10
[ 16.370148][ T1] do_one_initcall+0x11d/0x690
[ 16.370148][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 16.370148][ T1] kernel_init_freeable+0x6e5/0x790
[ 16.370148][ T1] ? __pfx_kernel_init+0x10/0x10
[ 16.370148][ T1] kernel_init+0x1f/0x1e0
[ 16.370148][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 16.370148][ T1] ? __pfx_kernel_init+0x10/0x10
[ 16.370148][ T1] ret_from_fork+0x754/0xaf0
[ 16.370148][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 16.370148][ T1] ? __switch_to+0x7b9/0x10c0
[ 16.370148][ T1] ? __pfx_kernel_init+0x10/0x10
[ 16.370148][ T1] ret_from_fork_asm+0x1a/0x30
[ 16.370148][ T1]
[ 17.274085][ T1] vhci_hcd vhci_hcd.12: USB/IP Virtual Host Controller
[ 17.282667][ T1] vhci_hcd vhci_hcd.12: new USB bus registered, assigned bus number 58
[ 17.291396][ T1] usb usb58: We don't know the algorithms for LPM for this host, disabling LPM.
[ 17.301274][ T1] usb usb58: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 17.310514][ T1] usb usb58: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 17.318752][ T1] usb usb58: Product: USB/IP Virtual Host Controller
[ 17.325432][ T1] usb usb58: Manufacturer: Linux syzkaller vhci_hcd
[ 17.331994][ T1] usb usb58: SerialNumber: vhci_hcd.12
[ 17.340384][ T1] hub 58-0:1.0: USB hub found
[ 17.345412][ T1] hub 58-0:1.0: 8 ports detected
[ 17.354788][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 17.364662][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[ 17.364949][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller
[ 17.373390][ C1] preempt_count: 101, expected: 0
[ 17.381808][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 59
[ 17.385254][ C1] RCU nest depth: 0, expected: 0
[ 17.395011][ T1] usb usb59: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 17.398403][ C1] 1 lock held by swapper/1/0:
[ 17.407632][ T1] usb usb59: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 17.412222][ C1] #0: ffffffff8e5e31c0
[ 17.420378][ T1] usb usb59: Product: USB/IP Virtual Host Controller
[ 17.420397][ T1] usb usb59: Manufacturer: Linux syzkaller vhci_hcd
[ 17.424514][ C1] (rcu_callback
[ 17.431234][ T1] usb usb59: SerialNumber: vhci_hcd.13
[ 17.437744][ C1] ){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 17.445529][ T1] hub 59-0:1.0: USB hub found
[ 17.446732][ C1] Preemption disabled at:
[ 17.453284][ T1] hub 59-0:1.0: 8 ports detected
[ 17.457191][ C1] [<0000000000000000>] 0x0
[ 17.471268][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 17.471301][ C1] Tainted: [W]=WARN
[ 17.471308][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 17.471322][ C1] Call Trace:
[ 17.471329][ C1]
[ 17.471338][ C1] dump_stack_lvl+0x100/0x190
[ 17.471378][ C1] __might_resched.cold+0x1ec/0x232
[ 17.471408][ C1] ? __pfx___might_resched+0x10/0x10
[ 17.471437][ C1] ? __lock_acquire+0x4a5/0x2630
[ 17.471461][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 17.471496][ C1] arch_stack_walk+0xe0/0x130
[ 17.471531][ C1] ? stack_trace_save+0x8e/0xc0
[ 17.471567][ C1] stack_trace_save+0x8e/0xc0
[ 17.471598][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 17.471631][ C1] ? __lock_acquire+0x4a5/0x2630
[ 17.471656][ C1] kasan_save_stack+0x30/0x50
[ 17.471728][ C1] kasan_save_track+0x14/0x30
[ 17.471753][ C1] kasan_save_free_info+0x3b/0x70
[ 17.471773][ C1] __kasan_slab_free+0x5f/0x80
[ 17.471801][ C1] kfree+0x1c7/0x690
[ 17.471822][ C1] ? security_cred_free+0xc8/0x1e0
[ 17.471853][ C1] ? rcu_core+0x7bb/0x15c0
[ 17.471879][ C1] ? security_cred_free+0xc8/0x1e0
[ 17.471904][ C1] ? hook_cred_free+0xcf/0x100
[ 17.471930][ C1] security_cred_free+0xc8/0x1e0
[ 17.471958][ C1] put_cred_rcu+0x6a/0x580
[ 17.471986][ C1] ? rcu_core+0x7bb/0x15c0
[ 17.472010][ C1] rcu_core+0x7c0/0x15c0
[ 17.472044][ C1] ? __pfx_rcu_core+0x10/0x10
[ 17.472068][ C1] ? ktime_get+0x1a7/0x300
[ 17.472112][ C1] handle_softirqs+0x1ea/0x910
[ 17.472149][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 17.472187][ C1] __irq_exit_rcu+0xef/0x150
[ 17.472217][ C1] irq_exit_rcu+0x9/0x30
[ 17.472246][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 17.472270][ C1]
[ 17.472277][ C1]
[ 17.472285][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 17.472311][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 17.472334][ C1] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 17.472361][ C1] RSP: 0000:ffffc90000197df0 EFLAGS: 00000242
[ 17.472376][ C1] RAX: 0000000000009d67 RBX: ffff88801e2ba4c0 RCX: ffffffff8b76c4b5
[ 17.472390][ C1] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 17.472401][ C1] RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10170a673d
[ 17.472413][ C1] R10: ffff8880b85339eb R11: 0000000000000000 R12: ffffed1003c57498
[ 17.472427][ C1] R13: 0000000000000001 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 17.472449][ C1] ? ct_kernel_exit+0x125/0x180
[ 17.472477][ C1] default_idle+0x9/0x10
[ 17.472503][ C1] default_idle_call+0x6c/0xb0
[ 17.472528][ C1] do_idle+0x35b/0x4b0
[ 17.472559][ C1] ? __pfx_do_idle+0x10/0x10
[ 17.472594][ C1] cpu_startup_entry+0x4f/0x60
[ 17.472623][ C1] start_secondary+0x21d/0x2d0
[ 17.472648][ C1] ? __pfx_start_secondary+0x10/0x10
[ 17.472677][ C1] common_startup_64+0x13e/0x148
[ 17.472721][ C1]
[ 17.479282][ T1] vhci_hcd vhci_hcd.13: USB/IP Virtual Host Controller
[ 17.786240][ T1] vhci_hcd vhci_hcd.13: new USB bus registered, assigned bus number 60
[ 17.795200][ T1] usb usb60: We don't know the algorithms for LPM for this host, disabling LPM.
[ 17.805333][ T1] usb usb60: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 17.814515][ T1] usb usb60: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 17.822678][ T1] usb usb60: Product: USB/IP Virtual Host Controller
[ 17.829735][ T1] usb usb60: Manufacturer: Linux syzkaller vhci_hcd
[ 17.836313][ T1] usb usb60: SerialNumber: vhci_hcd.13
[ 17.844692][ T1] hub 60-0:1.0: USB hub found
[ 17.849638][ T1] hub 60-0:1.0: 8 ports detected
[ 17.866014][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller
[ 17.873742][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 61
[ 17.883049][ T1] usb usb61: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 17.892261][ T1] usb usb61: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 17.900772][ T1] usb usb61: Product: USB/IP Virtual Host Controller
[ 17.907452][ T1] usb usb61: Manufacturer: Linux syzkaller vhci_hcd
[ 17.914113][ T1] usb usb61: SerialNumber: vhci_hcd.14
[ 17.922626][ T1] hub 61-0:1.0: USB hub found
[ 17.927595][ T1] hub 61-0:1.0: 8 ports detected
[ 17.941463][ T1] vhci_hcd vhci_hcd.14: USB/IP Virtual Host Controller
[ 17.949534][ T1] vhci_hcd vhci_hcd.14: new USB bus registered, assigned bus number 62
[ 17.958443][ T1] usb usb62: We don't know the algorithms for LPM for this host, disabling LPM.
[ 17.968472][ T1] usb usb62: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 6.19
[ 17.977701][ T1] usb usb62: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 17.985862][ T1] usb usb62: Product: USB/IP Virtual Host Controller
[ 17.992510][ T1] usb usb62: Manufacturer: Linux syzkaller vhci_hcd
[ 17.999089][ T1] usb usb62: SerialNumber: vhci_hcd.14
[ 18.007538][ T1] hub 62-0:1.0: USB hub found
[ 18.012937][ T1] hub 62-0:1.0: 8 ports detected
[ 18.029341][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller
[ 18.037042][ T1] vhci_hcd vhci_hcd.15: new USB bus registered, assigned bus number 63
[ 18.046236][ T1] usb usb63: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 6.19
[ 18.055887][ T1] usb usb63: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[ 18.064029][ T1] usb usb63: Product: USB/IP Virtual Host Controller
[ 18.070948][ T1] usb usb63: Manufacturer: Linux syzkaller vhci_hcd
[ 18.077543][ T1] usb usb63: SerialNumber: vhci_hcd.15
[ 18.086049][ T1] hub 63-0:1.0: USB hub found
[ 18.091214][ T1] hub 63-0:1.0: 8 ports detected
[ 18.105517][ T1] vhci_hcd vhci_hcd.15: USB/IP Virtual Host Controller
[ 18.112358][ T1] usbcore: failed to get bus number
[ 18.117573][ T1] vhci_hcd vhci_hcd.15: error -E2BIG: usb_add_hcd ss failed
[ 18.125420][ T1] vhci_hcd vhci_hcd.15: remove, state 4
[ 18.130956][ T1] usb usb63: USB disconnect, device number 1
[ 18.148285][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.153681][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.159212][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.165310][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.170587][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.178224][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.184037][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.189329][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.194783][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.200593][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.205888][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.211333][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.217176][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.222434][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.227900][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.233716][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.239174][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.244605][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.250800][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.256133][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.261576][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.267424][ T13] vhci_hcd vhci_hcd.15: stop threads
[ 18.272699][ T13] vhci_hcd vhci_hcd.15: release socket
[ 18.278796][ T13] vhci_hcd vhci_hcd.15: disconnect device
[ 18.284597][ T1] vhci_hcd vhci_hcd.15: USB bus 63 deregistered
[ 18.292721][ T1] vhci_hcd vhci_hcd.15: probe with driver vhci_hcd failed with error -7
[ 18.301854][ T1] usbcore: registered new device driver usbip-host
[ 18.320154][ T1] i8042: PNP: PS/2 Controller [PNP0303:KBD,PNP0f13:MOU] at 0x60,0x64 irq 1,12
[ 18.330441][ T1] i8042: Warning: Keylock active
[ 18.340970][ T1] serio: i8042 KBD port at 0x60,0x64 irq 1
[ 18.348500][ T1] serio: i8042 AUX port at 0x60,0x64 irq 12
[ 18.354896][ T89] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 18.365040][ T89] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 89, name: kworker/0:2
[ 18.373952][ T89] preempt_count: 2, expected: 0
[ 18.378825][ T89] RCU nest depth: 0, expected: 0
[ 18.383746][ T89] 5 locks held by kworker/0:2/89:
[ 18.388769][ T89] #0: ffff88813fe52148 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840
[ 18.399650][ T89] #1: ffffc900021afc98 (serio_event_work){+.+.}-{0:0}, at: process_one_work+0x927/0x1840
[ 18.409635][ T89] #2: ffffffff8fbf72c8 (serio_mutex){+.+.}-{4:4}, at: serio_handle_event+0x2f/0x9e0
[ 18.419130][ T89] #3: ffff8880b84398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 18.428284][ T89] #4: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 18.438656][ T89] Preemption disabled at:
[ 18.438664][ T89] [] __radix_tree_preload+0x2c/0x820
[ 18.449983][ T89] CPU: 0 UID: 0 PID: 89 Comm: kworker/0:2 Tainted: G W syzkaller #0 PREEMPT(full)
[ 18.450001][ T89] Tainted: [W]=WARN
[ 18.450004][ T89] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 18.450017][ T89] Workqueue: events_long serio_handle_event
[ 18.450033][ T89] Call Trace:
[ 18.450040][ T89]
[ 18.450046][ T89] dump_stack_lvl+0x100/0x190
[ 18.450062][ T89] __might_resched.cold+0x1ec/0x232
[ 18.450077][ T89] ? __pfx___might_resched+0x10/0x10
[ 18.450093][ T89] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 18.450109][ T89] arch_stack_walk+0xe0/0x130
[ 18.450127][ T89] ? device_add+0x9ef/0x1950
[ 18.450142][ T89] stack_trace_save+0x8e/0xc0
[ 18.450157][ T89] ? __pfx_stack_trace_save+0x10/0x10
[ 18.450177][ T89] kasan_save_stack+0x30/0x50
[ 18.450191][ T89] ? kasan_save_stack+0x30/0x50
[ 18.450202][ T89] ? kasan_save_track+0x14/0x30
[ 18.450213][ T89] ? __kasan_slab_alloc+0x89/0x90
[ 18.450225][ T89] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 18.450238][ T89] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 18.450254][ T89] ? idr_get_free+0x52e/0xa00
[ 18.450262][ T89] ? idr_alloc_u32+0x1ac/0x320
[ 18.450272][ T89] ? idr_alloc_cyclic+0x10b/0x230
[ 18.450281][ T89] ? __kernfs_new_node+0x11a/0x960
[ 18.450296][ T89] ? kernfs_new_node+0x11b/0x1a0
[ 18.450306][ T89] ? __kernfs_create_file+0x53/0x350
[ 18.450318][ T89] ? sysfs_add_file_mode_ns+0x207/0x3c0
[ 18.450332][ T89] ? sysfs_merge_group+0x194/0x340
[ 18.450341][ T89] ? dpm_sysfs_add+0x237/0x280
[ 18.450353][ T89] ? device_add+0x9ef/0x1950
[ 18.450382][ T89] kasan_save_track+0x14/0x30
[ 18.450394][ T89] __kasan_slab_alloc+0x89/0x90
[ 18.450408][ T89] kmem_cache_alloc_noprof+0x2ad/0x780
[ 18.450421][ T89] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 18.450440][ T89] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 18.450455][ T89] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 18.450473][ T89] idr_get_free+0x52e/0xa00
[ 18.450489][ T89] idr_alloc_u32+0x1ac/0x320
[ 18.450501][ T89] ? __pfx_idr_alloc_u32+0x10/0x10
[ 18.450513][ T89] ? lock_acquire+0x17c/0x330
[ 18.450527][ T89] idr_alloc_cyclic+0x10b/0x230
[ 18.450538][ T89] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 18.450548][ T89] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 18.450565][ T89] __kernfs_new_node+0x11a/0x960
[ 18.450583][ T89] ? __pfx___kernfs_new_node+0x10/0x10
[ 18.450602][ T89] ? find_held_lock+0x2b/0x80
[ 18.450615][ T89] ? kernfs_root+0xee/0x2a0
[ 18.450630][ T89] ? kernfs_root+0xee/0x2a0
[ 18.450648][ T89] kernfs_new_node+0x11b/0x1a0
[ 18.450662][ T89] __kernfs_create_file+0x53/0x350
[ 18.450677][ T89] sysfs_add_file_mode_ns+0x207/0x3c0
[ 18.450696][ T89] sysfs_merge_group+0x194/0x340
[ 18.450707][ T89] ? __pfx_sysfs_merge_group+0x10/0x10
[ 18.450722][ T89] ? bus_add_device+0x379/0x4a0
[ 18.450737][ T89] ? bus_add_device+0x379/0x4a0
[ 18.450753][ T89] ? do_raw_spin_unlock+0x145/0x1e0
[ 18.450768][ T89] dpm_sysfs_add+0x237/0x280
[ 18.450780][ T89] device_add+0x9ef/0x1950
[ 18.450794][ T89] ? __pfx_device_add+0x10/0x10
[ 18.450807][ T89] ? __pfx_i8042_start+0x10/0x10
[ 18.450818][ T89] ? mark_held_locks+0x40/0x70
[ 18.450828][ T89] ? _raw_spin_unlock_irq+0x23/0x50
[ 18.450838][ T89] ? lockdep_hardirqs_on+0x78/0x100
[ 18.450852][ T89] ? __pfx_i8042_start+0x10/0x10
[ 18.450862][ T89] serio_handle_event+0x5e7/0x9e0
[ 18.450874][ T89] ? rcu_is_watching+0x12/0xc0
[ 18.450891][ T89] process_one_work+0x9c2/0x1840
[ 18.450910][ T89] ? __pfx_process_one_work+0x10/0x10
[ 18.450926][ T89] ? assign_work+0x19c/0x250
[ 18.450939][ T89] worker_thread+0x5da/0xe40
[ 18.450956][ T89] ? __pfx_worker_thread+0x10/0x10
[ 18.450968][ T89] ? kthread+0x17d/0x730
[ 18.450978][ T89] ? __pfx_worker_thread+0x10/0x10
[ 18.450990][ T89] kthread+0x3b3/0x730
[ 18.451001][ T89] ? __pfx_kthread+0x10/0x10
[ 18.451016][ T89] ? ret_from_fork+0x79/0xaf0
[ 18.451028][ T89] ? ret_from_fork+0x79/0xaf0
[ 18.451040][ T89] ? rcu_is_watching+0x12/0xc0
[ 18.451054][ T89] ? __pfx_kthread+0x10/0x10
[ 18.451065][ T89] ret_from_fork+0x754/0xaf0
[ 18.451078][ T89] ? __pfx_ret_from_fork+0x10/0x10
[ 18.451092][ T89] ? __switch_to+0x7b9/0x10c0
[ 18.451106][ T89] ? __pfx_kthread+0x10/0x10
[ 18.451118][ T89] ret_from_fork_asm+0x1a/0x30
[ 18.451136][ T89]
[ 18.454117][ T1] mousedev: PS/2 mouse device common for all mice
[ 18.892179][ T1] usbcore: registered new interface driver appletouch
[ 18.899631][ T1] usbcore: registered new interface driver bcm5974
[ 18.907987][ T1] usbcore: registered new interface driver synaptics_usb
[ 18.915637][ T1] usbcore: registered new interface driver iforce
[ 18.922454][ T1] usbcore: registered new interface driver pxrc
[ 18.929382][ T1] usbcore: registered new interface driver xpad
[ 18.936067][ T1] usbcore: registered new interface driver usb_acecad
[ 18.943289][ T1] usbcore: registered new interface driver aiptek
[ 18.950131][ T1] usbcore: registered new interface driver hanwang
[ 18.957057][ T1] usbcore: registered new interface driver kbtab
[ 18.963769][ T1] usbcore: registered new interface driver pegasus_notetaker
[ 18.971669][ T1] usbcore: registered new interface driver usbtouchscreen
[ 18.979559][ T1] usbcore: registered new interface driver sur40
[ 18.986315][ T1] usbcore: registered new interface driver ati_remote2
[ 18.993207][ T1] cm109: Keymap for Komunikate KIP1000 phone loaded
[ 19.000888][ T1] usbcore: registered new interface driver cm109
[ 19.007405][ T1] cm109: CM109 phone driver: 20080805 (C) Alfred E. Heggestad
[ 19.015376][ T1] usbcore: registered new interface driver ims_pcu
[ 19.022302][ T1] usbcore: registered new interface driver keyspan_remote
[ 19.029894][ T1] usbcore: registered new interface driver powermate
[ 19.037778][ T1] usbcore: registered new interface driver yealink
[ 19.047156][ T1] rtc_cmos 00:00: RTC can wake from S4
[ 19.060308][ T1] rtc_cmos 00:00: registered as rtc0
[ 19.066052][ T1] rtc_cmos 00:00: alarms up to one day, 114 bytes nvram
[ 19.073961][ T1] i2c_dev: i2c /dev entries driver
[ 19.080367][ T1] usbcore: registered new interface driver i2c-diolan-u2c
[ 19.088818][ T1] usbcore: registered new interface driver i2c-cp2615
[ 19.096868][ T1] usbcore: registered new interface driver RobotFuzz Open Source InterFace, OSIF
[ 19.106823][ T1] usbcore: registered new interface driver i2c-tiny-usb
[ 19.113890][ T89] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input2
[ 19.117533][ T1] usbcore: registered new interface driver igorplugusb
[ 19.132853][ T1] usbcore: registered new interface driver iguanair
[ 19.140191][ T1] usbcore: registered new interface driver imon
[ 19.147127][ T1] usbcore: registered new interface driver imon_raw
[ 19.155008][ T1] usbcore: registered new interface driver mceusb
[ 19.162144][ T1] usbcore: registered new interface driver redrat3
[ 19.170294][ T1] usbcore: registered new interface driver streamzap
[ 19.177497][ T1] usbcore: registered new interface driver ir_toy
[ 19.184359][ T1] usbcore: registered new interface driver ttusbir
[ 19.191351][ T1] usbcore: registered new interface driver ati_remote
[ 19.198561][ T1] usbcore: registered new interface driver xbox_remote
[ 19.206138][ T1] b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded successfully
[ 19.216587][ T1] usbcore: registered new interface driver b2c2_flexcop_usb
[ 19.224296][ T1] usbcore: registered new interface driver dvb_usb_vp7045
[ 19.231852][ T1] usbcore: registered new interface driver dvb_usb_vp702x
[ 19.239463][ T1] usbcore: registered new interface driver dvb_usb_gp8psk
[ 19.247048][ T1] usbcore: registered new interface driver dvb_usb_dtt200u
[ 19.254812][ T1] usbcore: registered new interface driver dvb_usb_a800
[ 19.262226][ T1] usbcore: registered new interface driver dvb_usb_dibusb_mb
[ 19.270412][ T1] usbcore: registered new interface driver dvb_usb_dibusb_mc
[ 19.279395][ T1] usbcore: registered new interface driver dvb_usb_nova_t_usb2
[ 19.287403][ T1] usbcore: registered new interface driver dvb_usb_umt_010
[ 19.295119][ T1] usbcore: registered new interface driver dvb_usb_m920x
[ 19.302606][ T1] usbcore: registered new interface driver dvb_usb_digitv
[ 19.310282][ T1] usbcore: registered new interface driver dvb_usb_cxusb
[ 19.317858][ T1] usbcore: registered new interface driver dvb_usb_ttusb2
[ 19.325833][ T1] usbcore: registered new interface driver dvb_usb_dib0700
[ 19.333455][ T1] usbcore: registered new interface driver opera1
[ 19.340429][ T1] usbcore: registered new interface driver dvb_usb_af9005
[ 19.347569][ T1] failing symbol_get of non-GPLONLY symbol af9005_rc_decode.
[ 19.355255][ T1168] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 19.365125][ T1168] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1168, name: kworker/u8:6
[ 19.374313][ T1168] preempt_count: 2, expected: 0
[ 19.379162][ T1168] RCU nest depth: 0, expected: 0
[ 19.384069][ T1168] 4 locks held by kworker/u8:6/1168:
[ 19.389339][ T1168] #0: ffff88813fe69148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x11ae/0x1840
[ 19.400578][ T1168] #1: ffffc90003fdfc98 ((work_completion)(&sub_info->work)){+.+.}-{0:0}, at: process_one_work+0x927/0x1840
[ 19.412501][ T1168] #2: ffff8880b85398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 19.421562][ T1168] #3: ffffffff8e20c158 (pidmap_lock){+.+.}-{3:3}, at: alloc_pid+0x4fe/0x13b0
[ 19.430441][ T1168] Preemption disabled at:
[ 19.430448][ T1168] [] __radix_tree_preload+0x2c/0x820
[ 19.441744][ T1168] CPU: 1 UID: 0 PID: 1168 Comm: kworker/u8:6 Tainted: G W syzkaller #0 PREEMPT(full)
[ 19.441763][ T1168] Tainted: [W]=WARN
[ 19.441767][ T1168] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 19.441779][ T1168] Workqueue: events_unbound call_usermodehelper_exec_work
[ 19.441799][ T1168] Call Trace:
[ 19.441806][ T1168]
[ 19.441812][ T1168] dump_stack_lvl+0x100/0x190
[ 19.441828][ T1168] __might_resched.cold+0x1ec/0x232
[ 19.441843][ T1168] ? __pfx___might_resched+0x10/0x10
[ 19.441858][ T1168] ? kthread+0x3b3/0x730
[ 19.441869][ T1168] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 19.441886][ T1168] arch_stack_walk+0xe0/0x130
[ 19.441907][ T1168] ? alloc_pid+0x560/0x13b0
[ 19.441920][ T1168] stack_trace_save+0x8e/0xc0
[ 19.441935][ T1168] ? __pfx_stack_trace_save+0x10/0x10
[ 19.441951][ T1168] ? __lock_acquire+0x4a5/0x2630
[ 19.441964][ T1168] save_stack+0x162/0x1e0
[ 19.441976][ T1168] ? __pfx_save_stack+0x10/0x10
[ 19.441987][ T1168] ? post_alloc_hook+0x1e1/0x250
[ 19.441998][ T1168] ? get_page_from_freelist+0xe3d/0x2e10
[ 19.442008][ T1168] ? __alloc_frozen_pages_noprof+0x26c/0x2410
[ 19.442020][ T1168] ? alloc_pages_mpol+0x1fb/0x550
[ 19.442033][ T1168] ? new_slab+0x2c4/0x440
[ 19.442041][ T1168] ? ___slab_alloc+0xda3/0x1ca0
[ 19.442050][ T1168] ? __slab_alloc.isra.0+0x63/0x110
[ 19.442059][ T1168] ? kmem_cache_alloc_noprof+0x4ec/0x780
[ 19.442071][ T1168] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442087][ T1168] ? idr_get_free+0x52e/0xa00
[ 19.442095][ T1168] ? idr_alloc_u32+0x1ac/0x320
[ 19.442105][ T1168] ? idr_alloc_cyclic+0x10b/0x230
[ 19.442114][ T1168] ? alloc_pid+0x560/0x13b0
[ 19.442126][ T1168] ? __lock_acquire+0x4a5/0x2630
[ 19.442139][ T1168] __set_page_owner+0x8c/0x540
[ 19.442153][ T1168] ? __pfx___set_page_owner+0x10/0x10
[ 19.442169][ T1168] ? mark_held_locks+0x40/0x70
[ 19.442179][ T1168] ? bad_range+0x261/0x400
[ 19.442193][ T1168] ? lockdep_hardirqs_on+0x78/0x100
[ 19.442207][ T1168] post_alloc_hook+0x1e1/0x250
[ 19.442219][ T1168] get_page_from_freelist+0xe3d/0x2e10
[ 19.442232][ T1168] ? __lock_acquire+0x4a5/0x2630
[ 19.442242][ T1168] ? stack_trace_save+0x8e/0xc0
[ 19.442267][ T1168] __alloc_frozen_pages_noprof+0x26c/0x2410
[ 19.442280][ T1168] ? unwind_next_frame+0x3c8/0x1ea0
[ 19.442295][ T1168] ? ret_from_fork_asm+0x1a/0x30
[ 19.442310][ T1168] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10
[ 19.442324][ T1168] ? __lock_acquire+0x4a5/0x2630
[ 19.442345][ T1168] ? __lock_acquire+0x4a5/0x2630
[ 19.442358][ T1168] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 19.442375][ T1168] ? policy_nodemask+0xed/0x4f0
[ 19.442390][ T1168] alloc_pages_mpol+0x1fb/0x550
[ 19.442405][ T1168] ? __pfx_alloc_pages_mpol+0x10/0x10
[ 19.442423][ T1168] new_slab+0x2c4/0x440
[ 19.442439][ T1168] ___slab_alloc+0xda3/0x1ca0
[ 19.442450][ T1168] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442473][ T1168] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442489][ T1168] ? __slab_alloc.isra.0+0x63/0x110
[ 19.442498][ T1168] __slab_alloc.isra.0+0x63/0x110
[ 19.442511][ T1168] kmem_cache_alloc_noprof+0x4ec/0x780
[ 19.442524][ T1168] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442543][ T1168] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442558][ T1168] ? kthread+0x3b3/0x730
[ 19.442567][ T1168] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 19.442586][ T1168] idr_get_free+0x52e/0xa00
[ 19.442606][ T1168] idr_alloc_u32+0x1ac/0x320
[ 19.442618][ T1168] ? __pfx_idr_alloc_u32+0x10/0x10
[ 19.442639][ T1168] ? lock_acquire+0x17c/0x330
[ 19.442652][ T1168] idr_alloc_cyclic+0x10b/0x230
[ 19.442664][ T1168] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 19.442674][ T1168] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 19.442690][ T1168] alloc_pid+0x560/0x13b0
[ 19.442703][ T1168] ? copy_thread+0x6d0/0xb60
[ 19.442718][ T1168] copy_process+0x4117/0x7890
[ 19.442741][ T1168] ? __pfx_copy_process+0x10/0x10
[ 19.442764][ T1168] kernel_clone+0xfc/0x930
[ 19.442781][ T1168] ? __pfx_kernel_clone+0x10/0x10
[ 19.442801][ T1168] ? register_lock_class+0x40/0x560
[ 19.442812][ T1168] ? do_raw_spin_lock+0x128/0x260
[ 19.442824][ T1168] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 19.442839][ T1168] user_mode_thread+0xcc/0x110
[ 19.442855][ T1168] ? __pfx_user_mode_thread+0x10/0x10
[ 19.442881][ T1168] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 19.442897][ T1168] ? __pfx_kernel_sigaction+0x10/0x10
[ 19.442913][ T1168] ? process_one_work+0x80b/0x1840
[ 19.442928][ T1168] call_usermodehelper_exec_work+0x6b/0x180
[ 19.442943][ T1168] process_one_work+0x9c2/0x1840
[ 19.442961][ T1168] ? __pfx_process_one_work+0x10/0x10
[ 19.442977][ T1168] ? assign_work+0x19c/0x250
[ 19.442990][ T1168] worker_thread+0x5da/0xe40
[ 19.443006][ T1168] ? __pfx_worker_thread+0x10/0x10
[ 19.443019][ T1168] ? kthread+0x17d/0x730
[ 19.443029][ T1168] ? __pfx_worker_thread+0x10/0x10
[ 19.443040][ T1168] kthread+0x3b3/0x730
[ 19.443052][ T1168] ? __pfx_kthread+0x10/0x10
[ 19.443062][ T1168] ? ret_from_fork+0x79/0xaf0
[ 19.443073][ T1168] ? ret_from_fork+0x79/0xaf0
[ 19.443085][ T1168] ? rcu_is_watching+0x12/0xc0
[ 19.443100][ T1168] ? __pfx_kthread+0x10/0x10
[ 19.443111][ T1168] ret_from_fork+0x754/0xaf0
[ 19.443124][ T1168] ? __pfx_ret_from_fork+0x10/0x10
[ 19.443139][ T1168] ? __switch_to+0x7b9/0x10c0
[ 19.443154][ T1168] ? __pfx_kthread+0x10/0x10
[ 19.443166][ T1168] ret_from_fork_asm+0x1a/0x30
[ 19.443183][ T1168]
[ 19.443522][ T89] input: ImExPS/2 Generic Explorer Mouse as /devices/platform/i8042/serio1/input/input4
[ 19.474890][ T1] failing symbol_get of non-GPLONLY symbol af9005_rc_decode.
[ 19.989380][ T1] failing symbol_get of non-GPLONLY symbol rc_map_af9005_table.
[ 19.997907][ T1] failing symbol_get of non-GPLONLY symbol rc_map_af9005_table.
[ 20.005597][ T1] failing symbol_get of non-GPLONLY symbol rc_map_af9005_table_size.
[ 20.014257][ T1] failing symbol_get of non-GPLONLY symbol rc_map_af9005_table_size.
[ 20.022491][ T1] af9005: af9005_rc_decode function not found, disabling remote
[ 20.030703][ T1] usbcore: registered new interface driver pctv452e
[ 20.037844][ T1] usbcore: registered new interface driver dw2102
[ 20.044689][ T1] usbcore: registered new interface driver dvb_usb_dtv5100
[ 20.052415][ T1] usbcore: registered new interface driver cinergyT2
[ 20.059587][ T1] usbcore: registered new interface driver dvb_usb_az6027
[ 20.067181][ T1] usbcore: registered new interface driver dvb_usb_technisat_usb2
[ 20.075477][ T1] usbcore: registered new interface driver dvb_usb_af9015
[ 20.083102][ T1] usbcore: registered new interface driver dvb_usb_af9035
[ 20.090678][ T1] usbcore: registered new interface driver dvb_usb_anysee
[ 20.098204][ T1] usbcore: registered new interface driver dvb_usb_au6610
[ 20.106010][ T1] usbcore: registered new interface driver dvb_usb_az6007
[ 20.113500][ T1] usbcore: registered new interface driver dvb_usb_ce6230
[ 20.121331][ T1] usbcore: registered new interface driver dvb_usb_ec168
[ 20.128833][ T1] usbcore: registered new interface driver dvb_usb_lmedm04
[ 20.136453][ T1] usbcore: registered new interface driver dvb_usb_gl861
[ 20.144031][ T1] usbcore: registered new interface driver dvb_usb_mxl111sf
[ 20.151814][ T1] usbcore: registered new interface driver dvb_usb_rtl28xxu
[ 20.159590][ T1] usbcore: registered new interface driver dvb_usb_dvbsky
[ 20.167121][ T1] usbcore: registered new interface driver zd1301
[ 20.173982][ T1] usbcore: registered new interface driver s2255
[ 20.180811][ T1] usbcore: registered new interface driver smsusb
[ 20.187725][ T1] usbcore: registered new interface driver ttusb
[ 20.194510][ T1] usbcore: registered new interface driver ttusb-dec
[ 20.201804][ T1] usbcore: registered new interface driver Abilis Systems as10x usb driver
[ 20.210873][ T1] usbcore: registered new interface driver airspy
[ 20.217387][ T1] gspca_main: v2.14.0 registered
[ 20.222695][ T1] usbcore: registered new interface driver benq
[ 20.229528][ T1] usbcore: registered new interface driver conex
[ 20.236357][ T1] usbcore: registered new interface driver cpia1
[ 20.243111][ T1] usbcore: registered new interface driver dtcs033
[ 20.250064][ T1] usbcore: registered new interface driver etoms
[ 20.256936][ T1] usbcore: registered new interface driver finepix
[ 20.263864][ T1] usbcore: registered new interface driver jeilinj
[ 20.270871][ T1] usbcore: registered new interface driver jl2005bcd
[ 20.278035][ T1] usbcore: registered new interface driver kinect
[ 20.285038][ T1] usbcore: registered new interface driver konica
[ 20.291972][ T1] usbcore: registered new interface driver mars
[ 20.299125][ T1] usbcore: registered new interface driver mr97310a
[ 20.306218][ T1] usbcore: registered new interface driver nw80x
[ 20.313028][ T1] usbcore: registered new interface driver ov519
[ 20.319814][ T1] usbcore: registered new interface driver ov534
[ 20.326710][ T1] usbcore: registered new interface driver ov534_9
[ 20.333699][ T1] usbcore: registered new interface driver pac207
[ 20.340835][ T1] usbcore: registered new interface driver gspca_pac7302
[ 20.348435][ T1] usbcore: registered new interface driver pac7311
[ 20.355267][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 20.365202][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 20.373848][ T1] preempt_count: 2, expected: 0
[ 20.378696][ T1] RCU nest depth: 0, expected: 0
[ 20.383608][ T1] 3 locks held by swapper/0/1:
[ 20.388362][ T1] #0: ffffffff8f55d6a8 (drivers_dir_mutex){+.+.}-{4:4}, at: module_add_driver+0x12f/0x420
[ 20.398618][ T1] #1: ffff8880b85398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 20.407845][ T1] #2: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 20.418332][ T1] Preemption disabled at:
[ 20.418339][ T1] [] __radix_tree_preload+0x2c/0x820
[ 20.429507][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 20.429526][ T1] Tainted: [W]=WARN
[ 20.429530][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 20.429536][ T1] Call Trace:
[ 20.429543][ T1]
[ 20.429548][ T1] dump_stack_lvl+0x100/0x190
[ 20.429567][ T1] __might_resched.cold+0x1ec/0x232
[ 20.429582][ T1] ? __pfx___might_resched+0x10/0x10
[ 20.429598][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 20.429615][ T1] arch_stack_walk+0xe0/0x130
[ 20.429632][ T1] ? kobject_create_and_add+0x7a/0xc0
[ 20.429650][ T1] stack_trace_save+0x8e/0xc0
[ 20.429664][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 20.429684][ T1] kasan_save_stack+0x30/0x50
[ 20.429696][ T1] ? kasan_save_stack+0x30/0x50
[ 20.429707][ T1] ? kasan_save_track+0x14/0x30
[ 20.429718][ T1] ? __kasan_slab_alloc+0x89/0x90
[ 20.429730][ T1] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 20.429743][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 20.429759][ T1] ? idr_get_free+0x52e/0xa00
[ 20.429767][ T1] ? idr_alloc_u32+0x1ac/0x320
[ 20.429776][ T1] ? idr_alloc_cyclic+0x10b/0x230
[ 20.429786][ T1] ? __kernfs_new_node+0x11a/0x960
[ 20.429801][ T1] ? kernfs_new_node+0x11b/0x1a0
[ 20.429817][ T1] ? kernfs_create_dir_ns+0x4c/0x1a0
[ 20.429828][ T1] ? sysfs_create_dir_ns+0x13a/0x2b0
[ 20.429842][ T1] ? kobject_add_internal+0x2c8/0x930
[ 20.429857][ T1] ? kobject_add+0x16a/0x1e0
[ 20.429869][ T1] ? kobject_create_and_add+0x7a/0xc0
[ 20.429899][ T1] kasan_save_track+0x14/0x30
[ 20.429912][ T1] __kasan_slab_alloc+0x89/0x90
[ 20.429925][ T1] kmem_cache_alloc_noprof+0x2ad/0x780
[ 20.429939][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 20.429957][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 20.429972][ T1] ? module_add_driver+0x33d/0x420
[ 20.429985][ T1] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 20.430003][ T1] idr_get_free+0x52e/0xa00
[ 20.430019][ T1] idr_alloc_u32+0x1ac/0x320
[ 20.430031][ T1] ? __pfx_idr_alloc_u32+0x10/0x10
[ 20.430043][ T1] ? lock_acquire+0x17c/0x330
[ 20.430057][ T1] idr_alloc_cyclic+0x10b/0x230
[ 20.430069][ T1] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 20.430079][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 20.430095][ T1] __kernfs_new_node+0x11a/0x960
[ 20.430113][ T1] ? __pfx___kernfs_new_node+0x10/0x10
[ 20.430132][ T1] ? find_held_lock+0x2b/0x80
[ 20.430146][ T1] ? kernfs_root+0xee/0x2a0
[ 20.430161][ T1] ? kernfs_root+0xee/0x2a0
[ 20.430182][ T1] kernfs_new_node+0x11b/0x1a0
[ 20.430196][ T1] kernfs_create_dir_ns+0x4c/0x1a0
[ 20.430209][ T1] sysfs_create_dir_ns+0x13a/0x2b0
[ 20.430225][ T1] ? __pfx_sysfs_create_dir_ns+0x10/0x10
[ 20.430240][ T1] ? rcu_is_watching+0x12/0xc0
[ 20.430258][ T1] kobject_add_internal+0x2c8/0x930
[ 20.430271][ T1] ? kfree_const+0x5a/0x70
[ 20.430285][ T1] kobject_add+0x16a/0x1e0
[ 20.430298][ T1] ? __pfx_kobject_add+0x10/0x10
[ 20.430319][ T1] kobject_create_and_add+0x7a/0xc0
[ 20.430334][ T1] module_add_driver+0x33d/0x420
[ 20.430349][ T1] bus_add_driver+0x34a/0x5b0
[ 20.430366][ T1] driver_register+0x1e2/0x360
[ 20.430380][ T1] usb_register_driver+0x21c/0x3e0
[ 20.430394][ T1] ? __pfx_sd_driver_init+0x10/0x10
[ 20.430405][ T1] do_one_initcall+0x11d/0x690
[ 20.430416][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 20.430439][ T1] kernel_init_freeable+0x6e5/0x790
[ 20.430451][ T1] ? __pfx_kernel_init+0x10/0x10
[ 20.430466][ T1] kernel_init+0x1f/0x1e0
[ 20.430479][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 20.430489][ T1] ? __pfx_kernel_init+0x10/0x10
[ 20.430501][ T1] ret_from_fork+0x754/0xaf0
[ 20.430515][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 20.430528][ T1] ? __switch_to+0x7b9/0x10c0
[ 20.430543][ T1] ? __pfx_kernel_init+0x10/0x10
[ 20.430558][ T1] ret_from_fork_asm+0x1a/0x30
[ 20.430575][ T1]
[ 20.430870][ T1] usbcore: registered new interface driver se401
[ 20.825574][ T1] usbcore: registered new interface driver sn9c2028
[ 20.832704][ T1] usbcore: registered new interface driver gspca_sn9c20x
[ 20.841180][ T1] usbcore: registered new interface driver sonixb
[ 20.848107][ T1] usbcore: registered new interface driver sonixj
[ 20.855074][ T1] usbcore: registered new interface driver spca500
[ 20.862077][ T1] usbcore: registered new interface driver spca501
[ 20.870219][ T1] usbcore: registered new interface driver spca505
[ 20.877277][ T1] usbcore: registered new interface driver spca506
[ 20.884271][ T1] usbcore: registered new interface driver spca508
[ 20.891383][ T1] usbcore: registered new interface driver spca561
[ 20.898314][ T1] usbcore: registered new interface driver spca1528
[ 20.905353][ T1] usbcore: registered new interface driver sq905
[ 20.912133][ T1] usbcore: registered new interface driver sq905c
[ 20.919010][ T1] usbcore: registered new interface driver sq930x
[ 20.925990][ T1] usbcore: registered new interface driver sunplus
[ 20.932912][ T1] usbcore: registered new interface driver stk014
[ 20.939988][ T1] usbcore: registered new interface driver stk1135
[ 20.946943][ T1] usbcore: registered new interface driver stv0680
[ 20.953912][ T1] usbcore: registered new interface driver t613
[ 20.961190][ T1] usbcore: registered new interface driver gspca_topro
[ 20.968514][ T1] usbcore: registered new interface driver touptek
[ 20.975638][ T1] usbcore: registered new interface driver tv8532
[ 20.982523][ T1] usbcore: registered new interface driver vc032x
[ 20.989421][ T1] usbcore: registered new interface driver vicam
[ 20.996218][ T1] usbcore: registered new interface driver xirlink-cit
[ 21.003622][ T1] usbcore: registered new interface driver gspca_zc3xx
[ 21.010899][ T1] usbcore: registered new interface driver ALi m5602
[ 21.018549][ T1] usbcore: registered new interface driver STV06xx
[ 21.025556][ T1] usbcore: registered new interface driver gspca_gl860
[ 21.032829][ T1] usbcore: registered new interface driver hackrf
[ 21.039731][ T1] usbcore: registered new interface driver msi2500
[ 21.047426][ T1] usbcore: registered new interface driver Philips webcam
[ 21.055633][ T1] usbcore: registered new interface driver uvcvideo
[ 21.062250][ T1] au0828: au0828 driver loaded
[ 21.067575][ T1] usbcore: registered new interface driver au0828
[ 21.074551][ T1] usbcore: registered new interface driver cx231xx
[ 21.081842][ T1] usbcore: registered new interface driver em28xx
[ 21.088365][ T1] em28xx: Registered (Em28xx v4l2 Extension) extension
[ 21.095218][ T1] em28xx: Registered (Em28xx Audio Extension) extension
[ 21.102124][ T1] em28xx: Registered (Em28xx dvb Extension) extension
[ 21.108890][ T1] em28xx: Registered (Em28xx Input Extension) extension
[ 21.116339][ T1] usbcore: registered new interface driver go7007
[ 21.123215][ T1] usbcore: registered new interface driver go7007-loader
[ 21.131121][ T1] usbcore: registered new interface driver hdpvr
[ 21.138589][ T1] usbcore: registered new interface driver pvrusb2
[ 21.146272][ T1] pvrusb2: V4L in-tree version:Hauppauge WinTV-PVR-USB2 MPEG2 Encoder/Tuner
[ 21.154942][ T1] pvrusb2: Debug mask is 31 (0x1f)
[ 21.160499][ T1] usbcore: registered new interface driver stk1160
[ 21.167630][ T1] usbcore: registered new interface driver usbtv
[ 21.177859][ T1] dvbdev: DVB: registering new adapter (dvb_vidtv_bridge)
[ 21.189131][ T1] i2c i2c-0: DVB: registering adapter 0 frontend 0 (Dummy demod for DVB-T/T2/C/S/S2)...
[ 21.199304][ T1] dvbdev: dvb_create_media_entity: media entity 'Dummy demod for DVB-T/T2/C/S/S2' registered.
[ 21.215791][ T1] dvbdev: dvb_create_media_entity: media entity 'dvb-demux' registered.
[ 21.230333][ T1] vidtv vidtv.0: Successfully initialized vidtv!
[ 21.239733][ T1] vicodec vicodec.0: Device 'stateful-encoder' registered as /dev/video0
[ 21.248846][ T1] vicodec vicodec.0: Device 'stateful-decoder' registered as /dev/video1
[ 21.258096][ T1] vicodec vicodec.0: Device 'stateless-decoder' registered as /dev/video2
[ 21.269966][ T1] vim2m vim2m.0: Device registered as /dev/video3
[ 21.305419][ T1] vivid-000: using single planar format API
[ 21.325502][ T1] vivid-000: CEC adapter cec0 registered for HDMI input
[ 21.333425][ T1] vivid-000: V4L2 capture device registered as video7
[ 21.341199][ T1] vivid-000: CEC adapter cec1 registered for HDMI output 0
[ 21.349166][ T1] vivid-000: V4L2 output device registered as video8
[ 21.356243][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 21.366133][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 21.374853][ T1] preempt_count: 2, expected: 0
[ 21.379681][ T1] RCU nest depth: 0, expected: 0
[ 21.384628][ T1] 4 locks held by swapper/0/1:
[ 21.389395][ T1] #0: ffffffff8fe9b4b8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x20c/0x5c0
[ 21.398729][ T1] #1: ffffffff8fc8cc28 (videodev_lock){+.+.}-{4:4}, at: __video_register_device+0x1e52/0x5970
[ 21.409190][ T1] #2: ffff8880b84398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 21.418232][ T1] #3: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 21.428598][ T1] Preemption disabled at:
[ 21.428606][ T1] [] __radix_tree_preload+0x2c/0x820
[ 21.439846][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 21.439862][ T1] Tainted: [W]=WARN
[ 21.439866][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 21.439872][ T1] Call Trace:
[ 21.439878][ T1]
[ 21.439883][ T1] dump_stack_lvl+0x100/0x190
[ 21.439901][ T1] __might_resched.cold+0x1ec/0x232
[ 21.439916][ T1] ? __pfx___might_resched+0x10/0x10
[ 21.439932][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 21.439948][ T1] arch_stack_walk+0xe0/0x130
[ 21.439966][ T1] ? device_add+0x9ef/0x1950
[ 21.439981][ T1] stack_trace_save+0x8e/0xc0
[ 21.439996][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 21.440015][ T1] kasan_save_stack+0x30/0x50
[ 21.440028][ T1] ? kasan_save_stack+0x30/0x50
[ 21.440039][ T1] ? kasan_save_track+0x14/0x30
[ 21.440050][ T1] ? __kasan_slab_alloc+0x89/0x90
[ 21.440062][ T1] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 21.440075][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 21.440091][ T1] ? idr_get_free+0x52e/0xa00
[ 21.440100][ T1] ? idr_alloc_u32+0x1ac/0x320
[ 21.440109][ T1] ? idr_alloc_cyclic+0x10b/0x230
[ 21.440119][ T1] ? __kernfs_new_node+0x11a/0x960
[ 21.440134][ T1] ? kernfs_new_node+0x11b/0x1a0
[ 21.440144][ T1] ? __kernfs_create_file+0x53/0x350
[ 21.440156][ T1] ? sysfs_add_file_mode_ns+0x207/0x3c0
[ 21.440169][ T1] ? sysfs_merge_group+0x194/0x340
[ 21.440181][ T1] ? dpm_sysfs_add+0x237/0x280
[ 21.440193][ T1] ? device_add+0x9ef/0x1950
[ 21.440224][ T1] kasan_save_track+0x14/0x30
[ 21.440238][ T1] __kasan_slab_alloc+0x89/0x90
[ 21.440252][ T1] kmem_cache_alloc_noprof+0x2ad/0x780
[ 21.440265][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 21.440284][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 21.440299][ T1] ? __video_register_device+0x1e5a/0x5970
[ 21.440311][ T1] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 21.440330][ T1] idr_get_free+0x52e/0xa00
[ 21.440345][ T1] idr_alloc_u32+0x1ac/0x320
[ 21.440357][ T1] ? __pfx_idr_alloc_u32+0x10/0x10
[ 21.440370][ T1] ? lock_acquire+0x17c/0x330
[ 21.440383][ T1] idr_alloc_cyclic+0x10b/0x230
[ 21.440395][ T1] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 21.440405][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 21.440421][ T1] __kernfs_new_node+0x11a/0x960
[ 21.440439][ T1] ? __pfx___kernfs_new_node+0x10/0x10
[ 21.440458][ T1] ? find_held_lock+0x2b/0x80
[ 21.440471][ T1] ? kernfs_root+0xee/0x2a0
[ 21.440486][ T1] ? kernfs_root+0xee/0x2a0
[ 21.440505][ T1] kernfs_new_node+0x11b/0x1a0
[ 21.440518][ T1] __kernfs_create_file+0x53/0x350
[ 21.440533][ T1] sysfs_add_file_mode_ns+0x207/0x3c0
[ 21.440552][ T1] sysfs_merge_group+0x194/0x340
[ 21.440563][ T1] ? __pfx_sysfs_merge_group+0x10/0x10
[ 21.440581][ T1] ? __pfx_dev_add_physical_location+0x10/0x10
[ 21.440594][ T1] ? bus_to_subsys+0x114/0x150
[ 21.440610][ T1] dpm_sysfs_add+0x237/0x280
[ 21.440622][ T1] device_add+0x9ef/0x1950
[ 21.440636][ T1] ? __pfx_device_add+0x10/0x10
[ 21.440649][ T1] ? lockdep_init_map_type+0x5c/0x250
[ 21.440660][ T1] ? __init_waitqueue_head+0xca/0x150
[ 21.440678][ T1] __video_register_device+0x1e5a/0x5970
[ 21.440697][ T1] ? __pfx___video_register_device+0x10/0x10
[ 21.440710][ T1] ? debugfs_create_devm_seqfile+0xb4/0xe0
[ 21.440727][ T1] ? media_entity_pads_init+0x461/0x630
[ 21.440741][ T1] vivid_probe.cold+0x7228/0x921b
[ 21.440772][ T1] ? __pfx_vivid_probe+0x10/0x10
[ 21.440788][ T1] ? is_acpi_device_node+0x6c/0x80
[ 21.440804][ T1] ? __pfx_vivid_probe+0x10/0x10
[ 21.440818][ T1] platform_probe+0x106/0x1d0
[ 21.440833][ T1] ? __pfx_platform_probe+0x10/0x10
[ 21.440848][ T1] really_probe+0x241/0xa60
[ 21.440861][ T1] __driver_probe_device+0x1de/0x400
[ 21.440873][ T1] driver_probe_device+0x4c/0x1b0
[ 21.440885][ T1] __driver_attach+0x217/0x5c0
[ 21.440896][ T1] ? __pfx___driver_attach+0x10/0x10
[ 21.440907][ T1] bus_for_each_dev+0x13e/0x1d0
[ 21.440922][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 21.440935][ T1] ? bus_add_driver+0x2b5/0x5b0
[ 21.440954][ T1] bus_add_driver+0x305/0x5b0
[ 21.440972][ T1] driver_register+0x1e2/0x360
[ 21.440985][ T1] vivid_init+0x50e/0x690
[ 21.441003][ T1] ? __pfx_vivid_init+0x10/0x10
[ 21.441015][ T1] do_one_initcall+0x11d/0x690
[ 21.441026][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 21.441050][ T1] kernel_init_freeable+0x6e5/0x790
[ 21.441062][ T1] ? __pfx_kernel_init+0x10/0x10
[ 21.441077][ T1] kernel_init+0x1f/0x1e0
[ 21.441090][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 21.441100][ T1] ? __pfx_kernel_init+0x10/0x10
[ 21.441112][ T1] ret_from_fork+0x754/0xaf0
[ 21.441126][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 21.441139][ T1] ? __switch_to+0x7b9/0x10c0
[ 21.441154][ T1] ? __pfx_kernel_init+0x10/0x10
[ 21.441168][ T1] ret_from_fork_asm+0x1a/0x30
[ 21.441186][ T1]
[ 21.925072][ T1] vivid-000: V4L2 capture device registered as vbi0, supports raw and sliced VBI
[ 21.935177][ T1] vivid-000: V4L2 output device registered as vbi1, supports raw and sliced VBI
[ 21.945590][ T1] vivid-000: V4L2 capture device registered as swradio0
[ 21.953438][ T1] vivid-000: V4L2 receiver device registered as radio0
[ 21.961914][ T1] vivid-000: V4L2 transmitter device registered as radio1
[ 21.970017][ T1] vivid-000: V4L2 metadata capture device registered as video9
[ 21.978313][ T1] vivid-000: V4L2 metadata output device registered as video10
[ 21.987092][ T1] vivid-000: V4L2 touch capture device registered as v4l-touch0
[ 21.995688][ T1] vivid-001: using multiplanar format API
[ 22.014410][ T1] vivid-001: CEC adapter cec2 registered for HDMI input
[ 22.022339][ T1] vivid-001: V4L2 capture device registered as video11
[ 22.030279][ T1] vivid-001: CEC adapter cec3 registered for HDMI output 0
[ 22.038219][ T1] vivid-001: V4L2 output device registered as video12
[ 22.045758][ T1] vivid-001: V4L2 capture device registered as vbi2, supports raw and sliced VBI
[ 22.056028][ T1] vivid-001: V4L2 output device registered as vbi3, supports raw and sliced VBI
[ 22.065810][ T1] vivid-001: V4L2 capture device registered as swradio1
[ 22.073502][ T1] vivid-001: V4L2 receiver device registered as radio2
[ 22.081373][ T1] vivid-001: V4L2 transmitter device registered as radio3
[ 22.089296][ T1] vivid-001: V4L2 metadata capture device registered as video13
[ 22.097836][ T1] vivid-001: V4L2 metadata output device registered as video14
[ 22.106141][ T1] vivid-001: V4L2 touch capture device registered as v4l-touch1
[ 22.114536][ T1] vivid-002: using single planar format API
[ 22.134182][ T1] vivid-002: CEC adapter cec4 registered for HDMI input
[ 22.142184][ T1] vivid-002: V4L2 capture device registered as video15
[ 22.149885][ T1] vivid-002: CEC adapter cec5 registered for HDMI output 0
[ 22.158014][ T1] vivid-002: V4L2 output device registered as video16
[ 22.165793][ T1] vivid-002: V4L2 capture device registered as vbi4, supports raw and sliced VBI
[ 22.176152][ T1] vivid-002: V4L2 output device registered as vbi5, supports raw and sliced VBI
[ 22.186179][ T1] vivid-002: V4L2 capture device registered as swradio2
[ 22.193818][ T1] vivid-002: V4L2 receiver device registered as radio4
[ 22.201670][ T1] vivid-002: V4L2 transmitter device registered as radio5
[ 22.209531][ T1] vivid-002: V4L2 metadata capture device registered as video17
[ 22.218222][ T1] vivid-002: V4L2 metadata output device registered as video18
[ 22.226633][ T1] vivid-002: V4L2 touch capture device registered as v4l-touch2
[ 22.235596][ T1] vivid-003: using multiplanar format API
[ 22.255238][ T1] vivid-003: CEC adapter cec6 registered for HDMI input
[ 22.263114][ T1] vivid-003: V4L2 capture device registered as video19
[ 22.271061][ T1] vivid-003: CEC adapter cec7 registered for HDMI output 0
[ 22.279217][ T1] vivid-003: V4L2 output device registered as video20
[ 22.287318][ T1] vivid-003: V4L2 capture device registered as vbi6, supports raw and sliced VBI
[ 22.297283][ T1] vivid-003: V4L2 output device registered as vbi7, supports raw and sliced VBI
[ 22.307197][ T1] vivid-003: V4L2 capture device registered as swradio3
[ 22.315039][ T1] vivid-003: V4L2 receiver device registered as radio6
[ 22.322584][ T1] vivid-003: V4L2 transmitter device registered as radio7
[ 22.330515][ T1] vivid-003: V4L2 metadata capture device registered as video21
[ 22.338881][ T1] vivid-003: V4L2 metadata output device registered as video22
[ 22.347291][ T1] vivid-003: V4L2 touch capture device registered as v4l-touch3
[ 22.355002][ T2454] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 22.356134][ T1] vivid-004: using single planar format API
[ 22.365425][ T2454] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 2454, name: kworker/u8:0
[ 22.380044][ T2454] preempt_count: 1, expected: 0
[ 22.384916][ T2454] RCU nest depth: 0, expected: 0
[ 22.389854][ T2454] 1 lock held by kworker/u8:0/2454:
[ 22.395036][ T2454] #0: ffff888149000248 (&lockref->lock){+.+.}-{3:3}, at: __dentry_kill+0x299/0x600
[ 22.404436][ T2454] Preemption disabled at:
[ 22.404442][ T2454] [<0000000000000000>] 0x0
[ 22.413143][ T2454] CPU: 0 UID: 0 PID: 2454 Comm: kworker/u8:0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 22.413161][ T2454] Tainted: [W]=WARN
[ 22.413164][ T2454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 22.413171][ T2454] Call Trace:
[ 22.413177][ T2454]
[ 22.413181][ T2454] dump_stack_lvl+0x100/0x190
[ 22.413199][ T2454] __might_resched.cold+0x1ec/0x232
[ 22.413214][ T2454] ? __pfx___might_resched+0x10/0x10
[ 22.413229][ T2454] ? ret_from_fork+0x754/0xaf0
[ 22.413242][ T2454] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 22.413258][ T2454] arch_stack_walk+0xe0/0x130
[ 22.413275][ T2454] ? kernel_execve+0xb0/0x3d0
[ 22.413289][ T2454] stack_trace_save+0x8e/0xc0
[ 22.413304][ T2454] ? __pfx_stack_trace_save+0x10/0x10
[ 22.413318][ T2454] ? __lock_acquire+0x4a5/0x2630
[ 22.413331][ T2454] ? __lock_acquire+0x4a5/0x2630
[ 22.413341][ T2454] kasan_save_stack+0x30/0x50
[ 22.413354][ T2454] ? kasan_save_stack+0x30/0x50
[ 22.413365][ T2454] ? kasan_record_aux_stack+0xa7/0xc0
[ 22.413374][ T2454] ? __call_rcu_common.constprop.0+0xa5/0x9b0
[ 22.413386][ T2454] ? dentry_free+0xc2/0x170
[ 22.413399][ T2454] ? __dentry_kill+0x49a/0x600
[ 22.413413][ T2454] ? finish_dput+0x76/0x480
[ 22.413427][ T2454] ? dput.part.0+0x456/0x570
[ 22.413435][ T2454] ? dput+0x1f/0x30
[ 22.413443][ T2454] ? step_into_slowpath+0x843/0xf50
[ 22.413452][ T2454] ? link_path_walk+0xf28/0x1cc0
[ 22.413462][ T2454] ? path_openat+0x1be/0x3120
[ 22.413474][ T2454] ? do_filp_open+0x1f7/0x420
[ 22.413485][ T2454] ? do_open_execat+0xf6/0x3a0
[ 22.413495][ T2454] ? alloc_bprm+0x2d/0x710
[ 22.413504][ T2454] ? kernel_execve+0xb0/0x3d0
[ 22.413531][ T2454] kasan_record_aux_stack+0xa7/0xc0
[ 22.413541][ T2454] ? __pfx___d_free+0x10/0x10
[ 22.413553][ T2454] __call_rcu_common.constprop.0+0xa5/0x9b0
[ 22.413568][ T2454] dentry_free+0xc2/0x170
[ 22.413581][ T2454] __dentry_kill+0x49a/0x600
[ 22.413597][ T2454] finish_dput+0x76/0x480
[ 22.413613][ T2454] dput.part.0+0x456/0x570
[ 22.413623][ T2454] dput+0x1f/0x30
[ 22.413631][ T2454] step_into_slowpath+0x843/0xf50
[ 22.413645][ T2454] ? __pfx_step_into_slowpath+0x10/0x10
[ 22.413656][ T2454] ? lookup_slow+0x5b/0x70
[ 22.413670][ T2454] ? lookup_slow+0x5b/0x70
[ 22.413690][ T2454] link_path_walk+0xf28/0x1cc0
[ 22.413706][ T2454] path_openat+0x1be/0x3120
[ 22.413719][ T2454] ? ret_from_fork_asm+0x1a/0x30
[ 22.413731][ T2454] ? stack_trace_save+0x8e/0xc0
[ 22.413746][ T2454] ? __pfx_path_openat+0x10/0x10
[ 22.413758][ T2454] ? stack_depot_save_flags+0x27/0x9c0
[ 22.413778][ T2454] do_filp_open+0x1f7/0x420
[ 22.413792][ T2454] ? __pfx_do_filp_open+0x10/0x10
[ 22.413820][ T2454] do_open_execat+0xf6/0x3a0
[ 22.413831][ T2454] ? __pfx_do_open_execat+0x10/0x10
[ 22.413842][ T2454] ? trace_kmem_cache_alloc+0x80/0xb0
[ 22.413856][ T2454] ? kmem_cache_alloc_noprof+0x2ff/0x780
[ 22.413869][ T2454] ? getname_kernel+0x52/0x370
[ 22.413885][ T2454] alloc_bprm+0x2d/0x710
[ 22.413897][ T2454] kernel_execve+0xb0/0x3d0
[ 22.413910][ T2454] call_usermodehelper_exec_async+0x239/0x4b0
[ 22.413930][ T2454] ? lockdep_hardirqs_on+0x78/0x100
[ 22.413941][ T2454] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 22.413956][ T2454] ret_from_fork+0x754/0xaf0
[ 22.413969][ T2454] ? __pfx_ret_from_fork+0x10/0x10
[ 22.413982][ T2454] ? __switch_to+0x7b9/0x10c0
[ 22.413996][ T2454] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 22.414012][ T2454] ret_from_fork_asm+0x1a/0x30
[ 22.414029][ T2454]
[ 22.414243][ T2454] kworker/u8:0 (2454) used greatest stack depth: 25952 bytes left
[ 22.466039][ T1] vivid-004: CEC adapter cec8 registered for HDMI input
[ 22.768255][ T1] vivid-004: V4L2 capture device registered as video23
[ 22.775945][ T1] vivid-004: CEC adapter cec9 registered for HDMI output 0
[ 22.784014][ T1] vivid-004: V4L2 output device registered as video24
[ 22.791643][ T1] vivid-004: V4L2 capture device registered as vbi8, supports raw and sliced VBI
[ 22.801632][ T1] vivid-004: V4L2 output device registered as vbi9, supports raw and sliced VBI
[ 22.811377][ T1] vivid-004: V4L2 capture device registered as swradio4
[ 22.819149][ T1] vivid-004: V4L2 receiver device registered as radio8
[ 22.826719][ T1] vivid-004: V4L2 transmitter device registered as radio9
[ 22.834687][ T1] vivid-004: V4L2 metadata capture device registered as video25
[ 22.843273][ T1] vivid-004: V4L2 metadata output device registered as video26
[ 22.851778][ T1] vivid-004: V4L2 touch capture device registered as v4l-touch4
[ 22.860165][ T1] vivid-005: using multiplanar format API
[ 22.879485][ T1] vivid-005: CEC adapter cec10 registered for HDMI input
[ 22.887589][ T1] vivid-005: V4L2 capture device registered as video27
[ 22.895311][ T1] vivid-005: CEC adapter cec11 registered for HDMI output 0
[ 22.903404][ T1] vivid-005: V4L2 output device registered as video28
[ 22.911006][ T1] vivid-005: V4L2 capture device registered as vbi10, supports raw and sliced VBI
[ 22.920993][ T1] vivid-005: V4L2 output device registered as vbi11, supports raw and sliced VBI
[ 22.931137][ T1] vivid-005: V4L2 capture device registered as swradio5
[ 22.938775][ T1] vivid-005: V4L2 receiver device registered as radio10
[ 22.946421][ T1] vivid-005: V4L2 transmitter device registered as radio11
[ 22.954283][ T1] vivid-005: V4L2 metadata capture device registered as video29
[ 22.962790][ T1] vivid-005: V4L2 metadata output device registered as video30
[ 22.971330][ T1] vivid-005: V4L2 touch capture device registered as v4l-touch5
[ 22.979680][ T1] vivid-006: using single planar format API
[ 22.999006][ T1] vivid-006: CEC adapter cec12 registered for HDMI input
[ 23.007110][ T1] vivid-006: V4L2 capture device registered as video31
[ 23.014837][ T1] vivid-006: CEC adapter cec13 registered for HDMI output 0
[ 23.022909][ T1] vivid-006: V4L2 output device registered as video32
[ 23.030708][ T1] vivid-006: V4L2 capture device registered as vbi12, supports raw and sliced VBI
[ 23.040742][ T1] vivid-006: V4L2 output device registered as vbi13, supports raw and sliced VBI
[ 23.050699][ T1] vivid-006: V4L2 capture device registered as swradio6
[ 23.058328][ T1] vivid-006: V4L2 receiver device registered as radio12
[ 23.066123][ T1] vivid-006: V4L2 transmitter device registered as radio13
[ 23.074213][ T1] vivid-006: V4L2 metadata capture device registered as video33
[ 23.082860][ T1] vivid-006: V4L2 metadata output device registered as video34
[ 23.091183][ T1] vivid-006: V4L2 touch capture device registered as v4l-touch6
[ 23.099759][ T1] vivid-007: using multiplanar format API
[ 23.119107][ T1] vivid-007: CEC adapter cec14 registered for HDMI input
[ 23.127404][ T1] vivid-007: V4L2 capture device registered as video35
[ 23.135177][ T1] vivid-007: CEC adapter cec15 registered for HDMI output 0
[ 23.143222][ T1] vivid-007: V4L2 output device registered as video36
[ 23.150681][ T1] vivid-007: V4L2 capture device registered as vbi14, supports raw and sliced VBI
[ 23.161005][ T1] vivid-007: V4L2 output device registered as vbi15, supports raw and sliced VBI
[ 23.170866][ T1] vivid-007: V4L2 capture device registered as swradio7
[ 23.178479][ T1] vivid-007: V4L2 receiver device registered as radio14
[ 23.186133][ T1] vivid-007: V4L2 transmitter device registered as radio15
[ 23.194165][ T1] vivid-007: V4L2 metadata capture device registered as video37
[ 23.202944][ T1] vivid-007: V4L2 metadata output device registered as video38
[ 23.211362][ T1] vivid-007: V4L2 touch capture device registered as v4l-touch7
[ 23.219670][ T1] vivid-008: using single planar format API
[ 23.238704][ T1] vivid-008: CEC adapter cec16 registered for HDMI input
[ 23.246848][ T1] vivid-008: V4L2 capture device registered as video39
[ 23.254461][ T1] vivid-008: CEC adapter cec17 registered for HDMI output 0
[ 23.262484][ T1] vivid-008: V4L2 output device registered as video40
[ 23.269926][ T1] vivid-008: V4L2 capture device registered as vbi16, supports raw and sliced VBI
[ 23.279873][ T1] vivid-008: V4L2 output device registered as vbi17, supports raw and sliced VBI
[ 23.289997][ T1] vivid-008: V4L2 capture device registered as swradio8
[ 23.297685][ T1] vivid-008: V4L2 receiver device registered as radio16
[ 23.305481][ T1] vivid-008: V4L2 transmitter device registered as radio17
[ 23.313377][ T1] vivid-008: V4L2 metadata capture device registered as video41
[ 23.322037][ T1] vivid-008: V4L2 metadata output device registered as video42
[ 23.330468][ T1] vivid-008: V4L2 touch capture device registered as v4l-touch8
[ 23.338838][ T1] vivid-009: using multiplanar format API
[ 23.354809][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 23.364559][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/0
[ 23.373253][ C0] preempt_count: 101, expected: 0
[ 23.378278][ C0] RCU nest depth: 0, expected: 0
[ 23.383183][ C0] 1 lock held by swapper/0/0:
[ 23.387866][ C0] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 23.396774][ C0] Preemption disabled at:
[ 23.396779][ C0] [] schedule_preempt_disabled+0x1d/0x30
[ 23.408297][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 23.408315][ C0] Tainted: [W]=WARN
[ 23.408319][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 23.408326][ C0] Call Trace:
[ 23.408332][ C0]
[ 23.408338][ C0] dump_stack_lvl+0x100/0x190
[ 23.408359][ C0] __might_resched.cold+0x1ec/0x232
[ 23.408375][ C0] ? __pfx___might_resched+0x10/0x10
[ 23.408392][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 23.408411][ C0] arch_stack_walk+0xe0/0x130
[ 23.408430][ C0] ? default_idle+0x9/0x10
[ 23.408446][ C0] stack_trace_save+0x8e/0xc0
[ 23.408463][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 23.408481][ C0] ? __lock_acquire+0x4a5/0x2630
[ 23.408495][ C0] kasan_save_stack+0x30/0x50
[ 23.408509][ C0] ? kasan_save_stack+0x30/0x50
[ 23.408521][ C0] ? kasan_save_track+0x14/0x30
[ 23.408537][ C0] ? kasan_save_free_info+0x3b/0x70
[ 23.408548][ C0] ? __kasan_slab_free+0x5f/0x80
[ 23.408562][ C0] ? kfree+0x1c7/0x690
[ 23.408571][ C0] ? security_task_free+0x9d/0x1a0
[ 23.408585][ C0] ? __put_task_struct+0x125/0x3c0
[ 23.408602][ C0] ? rcu_core+0x7c0/0x15c0
[ 23.408615][ C0] ? handle_softirqs+0x1ea/0x910
[ 23.408630][ C0] ? __irq_exit_rcu+0xef/0x150
[ 23.408645][ C0] ? irq_exit_rcu+0x9/0x30
[ 23.408660][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 23.408671][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 23.408684][ C0] ? pv_native_safe_halt+0xf/0x20
[ 23.408694][ C0] ? default_idle+0x9/0x10
[ 23.408724][ C0] kasan_save_track+0x14/0x30
[ 23.408738][ C0] kasan_save_free_info+0x3b/0x70
[ 23.408748][ C0] __kasan_slab_free+0x5f/0x80
[ 23.408763][ C0] kfree+0x1c7/0x690
[ 23.408774][ C0] ? security_task_free+0x9d/0x1a0
[ 23.408789][ C0] ? rcu_core+0x7bb/0x15c0
[ 23.408802][ C0] ? security_task_free+0x9d/0x1a0
[ 23.408816][ C0] security_task_free+0x9d/0x1a0
[ 23.408830][ C0] __put_task_struct+0x125/0x3c0
[ 23.408847][ C0] rcu_core+0x7c0/0x15c0
[ 23.408864][ C0] ? __pfx_rcu_core+0x10/0x10
[ 23.408876][ C0] ? ktime_get+0x1a7/0x300
[ 23.408899][ C0] handle_softirqs+0x1ea/0x910
[ 23.408917][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 23.408937][ C0] __irq_exit_rcu+0xef/0x150
[ 23.408952][ C0] irq_exit_rcu+0x9/0x30
[ 23.408968][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 23.408980][ C0]
[ 23.408984][ C0]
[ 23.408988][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 23.409001][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 23.409013][ C0] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 23.409025][ C0] RSP: 0000:ffffffff8e207e00 EFLAGS: 00000242
[ 23.409035][ C0] RAX: 0000000000083b19 RBX: ffffffff8e297ac0 RCX: ffffffff8b76c4b5
[ 23.409043][ C0] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 23.409050][ C0] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed101708673d
[ 23.409057][ C0] R10: ffff8880b84339eb R11: 0000000000000000 R12: fffffbfff1c52f58
[ 23.409064][ C0] R13: 0000000000000000 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 23.409075][ C0] ? ct_kernel_exit+0x125/0x180
[ 23.409091][ C0] default_idle+0x9/0x10
[ 23.409104][ C0] default_idle_call+0x6c/0xb0
[ 23.409118][ C0] do_idle+0x35b/0x4b0
[ 23.409134][ C0] ? __pfx_do_idle+0x10/0x10
[ 23.409154][ C0] cpu_startup_entry+0x4f/0x60
[ 23.409169][ C0] rest_init+0x251/0x260
[ 23.409184][ C0] ? __pfx_x86_late_time_init+0x10/0x10
[ 23.409198][ C0] start_kernel+0x47a/0x480
[ 23.409209][ C0] x86_64_start_reservations+0x24/0x30
[ 23.409222][ C0] x86_64_start_kernel+0x122/0x130
[ 23.409234][ C0] common_startup_64+0x13e/0x148
[ 23.409257][ C0]
[ 23.411320][ T1] vivid-009: CEC adapter cec18 registered for HDMI input
[ 23.796691][ T1] vivid-009: V4L2 capture device registered as video43
[ 23.804302][ T1] vivid-009: CEC adapter cec19 registered for HDMI output 0
[ 23.812443][ T1] vivid-009: V4L2 output device registered as video44
[ 23.820014][ T1] vivid-009: V4L2 capture device registered as vbi18, supports raw and sliced VBI
[ 23.830017][ T1] vivid-009: V4L2 output device registered as vbi19, supports raw and sliced VBI
[ 23.839876][ T1] vivid-009: V4L2 capture device registered as swradio9
[ 23.847556][ T1] vivid-009: V4L2 receiver device registered as radio18
[ 23.855276][ T1] vivid-009: V4L2 transmitter device registered as radio19
[ 23.863210][ T1] vivid-009: V4L2 metadata capture device registered as video45
[ 23.871586][ T1] vivid-009: V4L2 metadata output device registered as video46
[ 23.879886][ T1] vivid-009: V4L2 touch capture device registered as v4l-touch9
[ 23.888334][ T1] vivid-010: using single planar format API
[ 23.907809][ T1] vivid-010: CEC adapter cec20 registered for HDMI input
[ 23.915817][ T1] vivid-010: V4L2 capture device registered as video47
[ 23.923444][ T1] vivid-010: CEC adapter cec21 registered for HDMI output 0
[ 23.931729][ T1] vivid-010: V4L2 output device registered as video48
[ 23.939216][ T1] vivid-010: V4L2 capture device registered as vbi20, supports raw and sliced VBI
[ 23.949234][ T1] vivid-010: V4L2 output device registered as vbi21, supports raw and sliced VBI
[ 23.959159][ T1] vivid-010: V4L2 capture device registered as swradio10
[ 23.967152][ T1] vivid-010: V4L2 receiver device registered as radio20
[ 23.974919][ T1] vivid-010: V4L2 transmitter device registered as radio21
[ 23.982863][ T1] vivid-010: V4L2 metadata capture device registered as video49
[ 23.991253][ T1] vivid-010: V4L2 metadata output device registered as video50
[ 23.999629][ T1] vivid-010: V4L2 touch capture device registered as v4l-touch10
[ 24.008055][ T1] vivid-011: using multiplanar format API
[ 24.027334][ T1] vivid-011: CEC adapter cec22 registered for HDMI input
[ 24.035592][ T1] vivid-011: V4L2 capture device registered as video51
[ 24.043296][ T1] vivid-011: CEC adapter cec23 registered for HDMI output 0
[ 24.051284][ T1] vivid-011: V4L2 output device registered as video52
[ 24.058960][ T1] vivid-011: V4L2 capture device registered as vbi22, supports raw and sliced VBI
[ 24.068999][ T1] vivid-011: V4L2 output device registered as vbi23, supports raw and sliced VBI
[ 24.078838][ T1] vivid-011: V4L2 capture device registered as swradio11
[ 24.086591][ T1] vivid-011: V4L2 receiver device registered as radio22
[ 24.094334][ T1] vivid-011: V4L2 transmitter device registered as radio23
[ 24.102353][ T1] vivid-011: V4L2 metadata capture device registered as video53
[ 24.110687][ T1] vivid-011: V4L2 metadata output device registered as video54
[ 24.119010][ T1] vivid-011: V4L2 touch capture device registered as v4l-touch11
[ 24.127524][ T1] vivid-012: using single planar format API
[ 24.146634][ T1] vivid-012: CEC adapter cec24 registered for HDMI input
[ 24.154394][ T1] vivid-012: V4L2 capture device registered as video55
[ 24.162345][ T1] vivid-012: CEC adapter cec25 registered for HDMI output 0
[ 24.170428][ T1] vivid-012: V4L2 output device registered as video56
[ 24.178054][ T1] vivid-012: V4L2 capture device registered as vbi24, supports raw and sliced VBI
[ 24.187966][ T1] vivid-012: V4L2 output device registered as vbi25, supports raw and sliced VBI
[ 24.198134][ T1] vivid-012: V4L2 capture device registered as swradio12
[ 24.205879][ T1] vivid-012: V4L2 receiver device registered as radio24
[ 24.213466][ T1] vivid-012: V4L2 transmitter device registered as radio25
[ 24.221479][ T1] vivid-012: V4L2 metadata capture device registered as video57
[ 24.229857][ T1] vivid-012: V4L2 metadata output device registered as video58
[ 24.238193][ T1] vivid-012: V4L2 touch capture device registered as v4l-touch12
[ 24.246804][ T1] vivid-013: using multiplanar format API
[ 24.265356][ T1] vivid-013: CEC adapter cec26 registered for HDMI input
[ 24.273261][ T1] vivid-013: V4L2 capture device registered as video59
[ 24.281176][ T1] vivid-013: CEC adapter cec27 registered for HDMI output 0
[ 24.289241][ T1] vivid-013: V4L2 output device registered as video60
[ 24.296869][ T1] vivid-013: V4L2 capture device registered as vbi26, supports raw and sliced VBI
[ 24.306851][ T1] vivid-013: V4L2 output device registered as vbi27, supports raw and sliced VBI
[ 24.316961][ T1] vivid-013: V4L2 capture device registered as swradio13
[ 24.324901][ T1] vivid-013: V4L2 receiver device registered as radio26
[ 24.332567][ T1] vivid-013: V4L2 transmitter device registered as radio27
[ 24.340532][ T1] vivid-013: V4L2 metadata capture device registered as video61
[ 24.349013][ T1] vivid-013: V4L2 metadata output device registered as video62
[ 24.356700][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 24.356719][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 24.356740][ C0] preempt_count: 101, expected: 0
[ 24.356752][ C0] RCU nest depth: 0, expected: 0
[ 24.356762][ C0] 4 locks held by swapper/0/1:
[ 24.356774][ C0] #0: ffffffff8fe9b4b8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x20c/0x5c0
[ 24.356846][ C0] #1: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x110
[ 24.356903][ C0] #2: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 24.356940][ C0] #3: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 24.356973][ C0] Preemption disabled at:
[ 24.356976][ C0] [] vprintk_emit+0x2b2/0x6b0
[ 24.356999][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 24.357016][ C0] Tainted: [W]=WARN
[ 24.357020][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 24.357027][ C0] Call Trace:
[ 24.357031][ C0]
[ 24.357036][ C0] dump_stack_lvl+0x100/0x190
[ 24.357054][ C0] __might_resched.cold+0x1ec/0x232
[ 24.357070][ C0] ? __pfx___might_resched+0x10/0x10
[ 24.357085][ C0] ? __pfx_call_function_single_prep_ipi+0x10/0x10
[ 24.357099][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 24.357116][ C0] arch_stack_walk+0xe0/0x130
[ 24.357135][ C0] ? console_unlock+0x103/0x260
[ 24.357152][ C0] stack_trace_save+0x8e/0xc0
[ 24.357169][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 24.357187][ C0] ? __lock_acquire+0x4a5/0x2630
[ 24.357198][ C0] ? _raw_spin_unlock_irqrestore+0x3b/0x80
[ 24.357211][ C0] kasan_save_stack+0x30/0x50
[ 24.357225][ C0] ? kasan_save_stack+0x30/0x50
[ 24.357238][ C0] ? kasan_save_track+0x14/0x30
[ 24.357250][ C0] ? kasan_save_free_info+0x3b/0x70
[ 24.357261][ C0] ? __kasan_slab_free+0x5f/0x80
[ 24.357274][ C0] ? kfree+0x1c7/0x690
[ 24.357284][ C0] ? security_cred_free+0xc8/0x1e0
[ 24.357298][ C0] ? put_cred_rcu+0x6a/0x580
[ 24.357323][ C0] ? rcu_core+0x7c0/0x15c0
[ 24.357335][ C0] ? handle_softirqs+0x1ea/0x910
[ 24.357351][ C0] ? __irq_exit_rcu+0xef/0x150
[ 24.357366][ C0] ? irq_exit_rcu+0x9/0x30
[ 24.357381][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 24.357392][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 24.357405][ C0] ? console_flush_one_record+0xac3/0xe50
[ 24.357419][ C0] ? console_unlock+0x103/0x260
[ 24.357450][ C0] kasan_save_track+0x14/0x30
[ 24.357463][ C0] kasan_save_free_info+0x3b/0x70
[ 24.357474][ C0] __kasan_slab_free+0x5f/0x80
[ 24.357489][ C0] kfree+0x1c7/0x690
[ 24.357499][ C0] ? security_cred_free+0xc8/0x1e0
[ 24.357514][ C0] ? rcu_core+0x7bb/0x15c0
[ 24.357532][ C0] ? security_cred_free+0xc8/0x1e0
[ 24.357545][ C0] ? hook_cred_free+0xcf/0x100
[ 24.357559][ C0] security_cred_free+0xc8/0x1e0
[ 24.357573][ C0] put_cred_rcu+0x6a/0x580
[ 24.357587][ C0] ? rcu_core+0x7bb/0x15c0
[ 24.357600][ C0] rcu_core+0x7c0/0x15c0
[ 24.357616][ C0] ? __pfx_rcu_core+0x10/0x10
[ 24.357635][ C0] handle_softirqs+0x1ea/0x910
[ 24.357654][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 24.357673][ C0] __irq_exit_rcu+0xef/0x150
[ 24.357689][ C0] irq_exit_rcu+0x9/0x30
[ 24.357704][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 24.357716][ C0]
[ 24.357719][ C0]
[ 24.357724][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 24.357736][ C0] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 24.357752][ C0] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 24.357764][ C0] RSP: 0000:ffffc90000067540 EFLAGS: 00000293
[ 24.357773][ C0] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 24.357783][ C0] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 24.357791][ C0] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 24.357798][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 000000000000104c
[ 24.357804][ C0] R13: ffffffff8f2f9af8 R14: ffffc900000675c0 R15: dffffc0000000000
[ 24.357816][ C0] ? console_flush_one_record+0xab1/0xe50
[ 24.357831][ C0] ? console_flush_one_record+0xabf/0xe50
[ 24.357851][ C0] ? __pfx_console_flush_one_record+0x10/0x10
[ 24.357871][ C0] ? is_printk_cpu_sync_owner+0x32/0x40
[ 24.357889][ C0] console_unlock+0x103/0x260
[ 24.357905][ C0] ? __pfx_console_unlock+0x10/0x10
[ 24.357921][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 24.357935][ C0] ? _printk+0xcf/0x110
[ 24.357945][ C0] ? _printk+0xcf/0x110
[ 24.357957][ C0] vprintk_emit+0x407/0x6b0
[ 24.357973][ C0] ? __pfx_vprintk_emit+0x10/0x10
[ 24.357993][ C0] _printk+0xcf/0x110
[ 24.358003][ C0] ? __pfx__printk+0x10/0x10
[ 24.358016][ C0] ? debugfs_create_devm_seqfile+0xb4/0xe0
[ 24.358029][ C0] ? media_entity_pads_init+0x461/0x630
[ 24.358041][ C0] ? vivid_probe.cold+0x8699/0x921b
[ 24.358060][ C0] vivid_probe.cold+0x86f3/0x921b
[ 24.358092][ C0] ? __pfx_vivid_probe+0x10/0x10
[ 24.358110][ C0] ? is_acpi_device_node+0x6c/0x80
[ 24.358126][ C0] ? __pfx_vivid_probe+0x10/0x10
[ 24.358143][ C0] platform_probe+0x106/0x1d0
[ 24.358159][ C0] ? __pfx_platform_probe+0x10/0x10
[ 24.358175][ C0] really_probe+0x241/0xa60
[ 24.358188][ C0] __driver_probe_device+0x1de/0x400
[ 24.358202][ C0] driver_probe_device+0x4c/0x1b0
[ 24.358214][ C0] __driver_attach+0x217/0x5c0
[ 24.358227][ C0] ? __pfx___driver_attach+0x10/0x10
[ 24.358238][ C0] bus_for_each_dev+0x13e/0x1d0
[ 24.358255][ C0] ? __pfx_bus_for_each_dev+0x10/0x10
[ 24.358270][ C0] ? bus_add_driver+0x2b5/0x5b0
[ 24.358291][ C0] bus_add_driver+0x305/0x5b0
[ 24.358310][ C0] driver_register+0x1e2/0x360
[ 24.358325][ C0] vivid_init+0x50e/0x690
[ 24.358343][ C0] ? __pfx_vivid_init+0x10/0x10
[ 24.358357][ C0] do_one_initcall+0x11d/0x690
[ 24.358368][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 24.358394][ C0] kernel_init_freeable+0x6e5/0x790
[ 24.358406][ C0] ? __pfx_kernel_init+0x10/0x10
[ 24.358423][ C0] kernel_init+0x1f/0x1e0
[ 24.358437][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 24.358447][ C0] ? __pfx_kernel_init+0x10/0x10
[ 24.358462][ C0] ret_from_fork+0x754/0xaf0
[ 24.358476][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 24.358491][ C0] ? __switch_to+0x7b9/0x10c0
[ 24.358507][ C0] ? __pfx_kernel_init+0x10/0x10
[ 24.358524][ C0] ret_from_fork_asm+0x1a/0x30
[ 24.358547][ C0]
[ 25.007337][ T1] vivid-013: V4L2 touch capture device registered as v4l-touch13
[ 25.016176][ T1] vivid-014: using single planar format API
[ 25.035044][ T1] vivid-014: CEC adapter cec28 registered for HDMI input
[ 25.042902][ T1] vivid-014: V4L2 capture device registered as video63
[ 25.050601][ T1] vivid-014: CEC adapter cec29 registered for HDMI output 0
[ 25.059100][ T1] vivid-014: V4L2 output device registered as video64
[ 25.066586][ T1] vivid-014: V4L2 capture device registered as vbi28, supports raw and sliced VBI
[ 25.076624][ T1] vivid-014: V4L2 output device registered as vbi29, supports raw and sliced VBI
[ 25.086547][ T1] vivid-014: V4L2 capture device registered as swradio14
[ 25.094331][ T1] vivid-014: V4L2 receiver device registered as radio28
[ 25.102019][ T1] vivid-014: V4L2 transmitter device registered as radio29
[ 25.109985][ T1] vivid-014: V4L2 metadata capture device registered as video65
[ 25.118346][ T1] vivid-014: V4L2 metadata output device registered as video66
[ 25.127005][ T1] vivid-014: V4L2 touch capture device registered as v4l-touch14
[ 25.135521][ T1] vivid-015: using multiplanar format API
[ 25.154262][ T1] vivid-015: CEC adapter cec30 registered for HDMI input
[ 25.162247][ T1] vivid-015: V4L2 capture device registered as video67
[ 25.170360][ T1] vivid-015: CEC adapter cec31 registered for HDMI output 0
[ 25.178657][ T1] vivid-015: V4L2 output device registered as video68
[ 25.186166][ T1] vivid-015: V4L2 capture device registered as vbi30, supports raw and sliced VBI
[ 25.196114][ T1] vivid-015: V4L2 output device registered as vbi31, supports raw and sliced VBI
[ 25.205984][ T1] vivid-015: V4L2 capture device registered as swradio15
[ 25.213702][ T1] vivid-015: V4L2 receiver device registered as radio30
[ 25.221595][ T1] vivid-015: V4L2 transmitter device registered as radio31
[ 25.229614][ T1] vivid-015: V4L2 metadata capture device registered as video69
[ 25.238230][ T1] vivid-015: V4L2 metadata output device registered as video70
[ 25.246476][ T1] vivid-015: V4L2 touch capture device registered as v4l-touch15
[ 25.255047][ T1] vivid-016: using single planar format API
[ 25.273990][ T1] vivid-016: CEC adapter cec32 registered for HDMI input
[ 25.282146][ T1] vivid-016: V4L2 capture device registered as video71
[ 25.289885][ T1] vivid-016: CEC adapter cec33 registered for HDMI output 0
[ 25.298038][ T1] vivid-016: V4L2 output device registered as video72
[ 25.305543][ T1] vivid-016: V4L2 capture device registered as vbi32, supports raw and sliced VBI
[ 25.315944][ T1] vivid-016: V4L2 output device registered as vbi33, supports raw and sliced VBI
[ 25.325844][ T1] vivid-016: V4L2 capture device registered as swradio16
[ 25.333570][ T1] vivid-016: V4L2 receiver device registered as radio32
[ 25.341244][ T1] vivid-016: V4L2 transmitter device registered as radio33
[ 25.349436][ T1] vivid-016: V4L2 metadata capture device registered as video73
[ 25.354839][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 25.366790][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[ 25.375458][ C1] preempt_count: 101, expected: 0
[ 25.380480][ C1] RCU nest depth: 0, expected: 0
[ 25.385412][ C1] 1 lock held by swapper/1/0:
[ 25.390055][ C1] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 25.398925][ C1] Preemption disabled at:
[ 25.398931][ C1] [<0000000000000000>] 0x0
[ 25.407630][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 25.407649][ C1] Tainted: [W]=WARN
[ 25.407653][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 25.407664][ C1] Call Trace:
[ 25.407671][ C1]
[ 25.407676][ C1] dump_stack_lvl+0x100/0x190
[ 25.407696][ C1] __might_resched.cold+0x1ec/0x232
[ 25.407712][ C1] ? __pfx___might_resched+0x10/0x10
[ 25.407728][ C1] ? __lock_acquire+0x4a5/0x2630
[ 25.407740][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 25.407759][ C1] arch_stack_walk+0xe0/0x130
[ 25.407778][ C1] ? default_idle+0x9/0x10
[ 25.407795][ C1] stack_trace_save+0x8e/0xc0
[ 25.407812][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 25.407830][ C1] ? __lock_acquire+0x4a5/0x2630
[ 25.407843][ C1] kasan_save_stack+0x30/0x50
[ 25.407856][ C1] ? kasan_save_stack+0x30/0x50
[ 25.407869][ C1] ? kasan_save_track+0x14/0x30
[ 25.407881][ C1] ? kasan_save_free_info+0x3b/0x70
[ 25.407892][ C1] ? __kasan_slab_free+0x5f/0x80
[ 25.407905][ C1] ? kfree+0x1c7/0x690
[ 25.407914][ C1] ? security_cred_free+0xc8/0x1e0
[ 25.407928][ C1] ? put_cred_rcu+0x6a/0x580
[ 25.407942][ C1] ? rcu_core+0x7c0/0x15c0
[ 25.407955][ C1] ? handle_softirqs+0x1ea/0x910
[ 25.407971][ C1] ? __irq_exit_rcu+0xef/0x150
[ 25.407986][ C1] ? irq_exit_rcu+0x9/0x30
[ 25.408001][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 25.408013][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 25.408025][ C1] ? pv_native_safe_halt+0xf/0x20
[ 25.408035][ C1] ? default_idle+0x9/0x10
[ 25.408066][ C1] kasan_save_track+0x14/0x30
[ 25.408079][ C1] kasan_save_free_info+0x3b/0x70
[ 25.408090][ C1] __kasan_slab_free+0x5f/0x80
[ 25.408105][ C1] kfree+0x1c7/0x690
[ 25.408116][ C1] ? security_cred_free+0xc8/0x1e0
[ 25.408131][ C1] ? rcu_core+0x7bb/0x15c0
[ 25.408144][ C1] ? security_cred_free+0xc8/0x1e0
[ 25.408157][ C1] ? hook_cred_free+0xcf/0x100
[ 25.408171][ C1] security_cred_free+0xc8/0x1e0
[ 25.408185][ C1] put_cred_rcu+0x6a/0x580
[ 25.408199][ C1] ? rcu_core+0x7bb/0x15c0
[ 25.408212][ C1] rcu_core+0x7c0/0x15c0
[ 25.408229][ C1] ? __pfx_rcu_core+0x10/0x10
[ 25.408248][ C1] handle_softirqs+0x1ea/0x910
[ 25.408267][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 25.408286][ C1] __irq_exit_rcu+0xef/0x150
[ 25.408302][ C1] irq_exit_rcu+0x9/0x30
[ 25.408317][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 25.408330][ C1]
[ 25.408334][ C1]
[ 25.408338][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 25.408351][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 25.408363][ C1] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 25.408375][ C1] RSP: 0000:ffffc90000197df0 EFLAGS: 00000242
[ 25.408384][ C1] RAX: 0000000000011f0d RBX: ffff88801e2ba4c0 RCX: ffffffff8b76c4b5
[ 25.408392][ C1] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 25.408399][ C1] RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10170a673d
[ 25.408406][ C1] R10: ffff8880b85339eb R11: 0000000000000000 R12: ffffed1003c57498
[ 25.408414][ C1] R13: 0000000000000001 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 25.408424][ C1] ? ct_kernel_exit+0x125/0x180
[ 25.408440][ C1] default_idle+0x9/0x10
[ 25.408453][ C1] default_idle_call+0x6c/0xb0
[ 25.408467][ C1] do_idle+0x35b/0x4b0
[ 25.408484][ C1] ? __pfx_do_idle+0x10/0x10
[ 25.408503][ C1] cpu_startup_entry+0x4f/0x60
[ 25.408519][ C1] start_secondary+0x21d/0x2d0
[ 25.408532][ C1] ? __pfx_start_secondary+0x10/0x10
[ 25.408547][ C1] common_startup_64+0x13e/0x148
[ 25.408570][ C1]
[ 25.409272][ T1] vivid-016: V4L2 metadata output device registered as video74
[ 25.788679][ T1] vivid-016: V4L2 touch capture device registered as v4l-touch16
[ 25.797435][ T1] vivid-017: using multiplanar format API
[ 25.816523][ T1] vivid-017: CEC adapter cec34 registered for HDMI input
[ 25.824266][ T1] vivid-017: V4L2 capture device registered as video75
[ 25.832057][ T1] vivid-017: CEC adapter cec35 registered for HDMI output 0
[ 25.840109][ T1] vivid-017: V4L2 output device registered as video76
[ 25.847624][ T1] vivid-017: V4L2 capture device registered as vbi34, supports raw and sliced VBI
[ 25.857555][ T1] vivid-017: V4L2 output device registered as vbi35, supports raw and sliced VBI
[ 25.867511][ T1] vivid-017: V4L2 capture device registered as swradio17
[ 25.875316][ T1] vivid-017: V4L2 receiver device registered as radio34
[ 25.882961][ T1] vivid-017: V4L2 transmitter device registered as radio35
[ 25.890939][ T1] vivid-017: V4L2 metadata capture device registered as video77
[ 25.899459][ T1] vivid-017: V4L2 metadata output device registered as video78
[ 25.907822][ T1] vivid-017: V4L2 touch capture device registered as v4l-touch17
[ 25.916302][ T1] vivid-018: using single planar format API
[ 25.935486][ T1] vivid-018: CEC adapter cec36 registered for HDMI input
[ 25.943220][ T1] vivid-018: V4L2 capture device registered as video79
[ 25.951139][ T1] vivid-018: CEC adapter cec37 registered for HDMI output 0
[ 25.959295][ T1] vivid-018: V4L2 output device registered as video80
[ 25.966848][ T1] vivid-018: V4L2 capture device registered as vbi36, supports raw and sliced VBI
[ 25.976812][ T1] vivid-018: V4L2 output device registered as vbi37, supports raw and sliced VBI
[ 25.987020][ T1] vivid-018: V4L2 capture device registered as swradio18
[ 25.994713][ T1] vivid-018: V4L2 receiver device registered as radio36
[ 26.002423][ T1] vivid-018: V4L2 transmitter device registered as radio37
[ 26.010584][ T1] vivid-018: V4L2 metadata capture device registered as video81
[ 26.019019][ T1] vivid-018: V4L2 metadata output device registered as video82
[ 26.027396][ T1] vivid-018: V4L2 touch capture device registered as v4l-touch18
[ 26.035851][ T1] vivid-019: using multiplanar format API
[ 26.055277][ T1] vivid-019: CEC adapter cec38 registered for HDMI input
[ 26.063015][ T1] vivid-019: V4L2 capture device registered as video83
[ 26.071029][ T1] vivid-019: CEC adapter cec39 registered for HDMI output 0
[ 26.079104][ T1] vivid-019: V4L2 output device registered as video84
[ 26.086718][ T1] vivid-019: V4L2 capture device registered as vbi38, supports raw and sliced VBI
[ 26.096654][ T1] vivid-019: V4L2 output device registered as vbi39, supports raw and sliced VBI
[ 26.106777][ T1] vivid-019: V4L2 capture device registered as swradio19
[ 26.114487][ T1] vivid-019: V4L2 receiver device registered as radio38
[ 26.122397][ T1] vivid-019: V4L2 transmitter device registered as radio39
[ 26.130437][ T1] vivid-019: V4L2 metadata capture device registered as video85
[ 26.138834][ T1] vivid-019: V4L2 metadata output device registered as video86
[ 26.147219][ T1] vivid-019: V4L2 touch capture device registered as v4l-touch19
[ 26.155681][ T1] vivid-020: using single planar format API
[ 26.174836][ T1] vivid-020: CEC adapter cec40 registered for HDMI input
[ 26.182715][ T1] vivid-020: V4L2 capture device registered as video87
[ 26.190658][ T1] vivid-020: CEC adapter cec41 registered for HDMI output 0
[ 26.198908][ T1] vivid-020: V4L2 output device registered as video88
[ 26.206444][ T1] vivid-020: V4L2 capture device registered as vbi40, supports raw and sliced VBI
[ 26.216391][ T1] vivid-020: V4L2 output device registered as vbi41, supports raw and sliced VBI
[ 26.226431][ T1] vivid-020: V4L2 capture device registered as swradio20
[ 26.234248][ T1] vivid-020: V4L2 receiver device registered as radio40
[ 26.242192][ T1] vivid-020: V4L2 transmitter device registered as radio41
[ 26.250116][ T1] vivid-020: V4L2 metadata capture device registered as video89
[ 26.258544][ T1] vivid-020: V4L2 metadata output device registered as video90
[ 26.266838][ T1] vivid-020: V4L2 touch capture device registered as v4l-touch20
[ 26.275598][ T1] vivid-021: using multiplanar format API
[ 26.295595][ T1] vivid-021: CEC adapter cec42 registered for HDMI input
[ 26.303365][ T1] vivid-021: V4L2 capture device registered as video91
[ 26.311085][ T1] vivid-021: CEC adapter cec43 registered for HDMI output 0
[ 26.319518][ T1] vivid-021: V4L2 output device registered as video92
[ 26.327056][ T1] vivid-021: V4L2 capture device registered as vbi42, supports raw and sliced VBI
[ 26.337250][ T1] vivid-021: V4L2 output device registered as vbi43, supports raw and sliced VBI
[ 26.347319][ T1] vivid-021: V4L2 capture device registered as swradio21
[ 26.354790][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 26.354790][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 26.354809][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[ 26.364494][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 26.374273][ C1] preempt_count: 101, expected: 0
[ 26.374286][ C1] RCU nest depth: 0, expected: 0
[ 26.382947][ C0] preempt_count: 100, expected: 0
[ 26.391594][ C1] 1 lock held by swapper/1/0:
[ 26.391608][ C1] #0:
[ 26.396633][ C0] RCU nest depth: 1, expected: 0
[ 26.401549][ C1] ffffffff8e5e31c0
[ 26.406577][ C0] 5 locks held by swapper/0/1:
[ 26.411219][ C1] (rcu_callback
[ 26.413958][ C0] #0: ffffffff8fe9b4b8
[ 26.419148][ C1] ){....}-{0:0}
[ 26.422843][ C0] (&dev->mutex
[ 26.427600][ C1] , at: rcu_core+0x75f/0x15c0
[ 26.431118][ C0] ){....}-{4:4}
[ 26.435258][ C1] Preemption disabled at:
[ 26.435266][ C1] [<0000000000000000>] 0x0
[ 26.438709][ C0] , at: __driver_attach+0x20c/0x5c0
[ 26.442149][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 26.442178][ C1] Tainted: [W]=WARN
[ 26.442184][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 26.442197][ C1] Call Trace:
[ 26.442207][ C1]
[ 26.442216][ C1] dump_stack_lvl+0x100/0x190
[ 26.442252][ C1] __might_resched.cold+0x1ec/0x232
[ 26.442282][ C1] ? __pfx___might_resched+0x10/0x10
[ 26.442313][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 26.442347][ C1] arch_stack_walk+0xe0/0x130
[ 26.442382][ C1] ? default_idle+0x9/0x10
[ 26.442415][ C1] stack_trace_save+0x8e/0xc0
[ 26.442447][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 26.442481][ C1] ? __lock_acquire+0x4a5/0x2630
[ 26.442516][ C1] kasan_save_stack+0x30/0x50
[ 26.442542][ C1] ? kasan_save_stack+0x30/0x50
[ 26.442565][ C1] ? kasan_save_track+0x14/0x30
[ 26.442589][ C1] ? kasan_save_free_info+0x3b/0x70
[ 26.442609][ C1] ? __kasan_slab_free+0x5f/0x80
[ 26.442634][ C1] ? kfree+0x1c7/0x690
[ 26.442652][ C1] ? security_cred_free+0xc8/0x1e0
[ 26.442716][ C1] ? put_cred_rcu+0x6a/0x580
[ 26.442740][ C1] ? rcu_core+0x7c0/0x15c0
[ 26.442764][ C1] ? handle_softirqs+0x1ea/0x910
[ 26.442792][ C1] ? __irq_exit_rcu+0xef/0x150
[ 26.442819][ C1] ? irq_exit_rcu+0x9/0x30
[ 26.442856][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 26.442877][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 26.442900][ C1] ? pv_native_safe_halt+0xf/0x20
[ 26.442920][ C1] ? default_idle+0x9/0x10
[ 26.442978][ C1] kasan_save_track+0x14/0x30
[ 26.443002][ C1] kasan_save_free_info+0x3b/0x70
[ 26.443022][ C1] __kasan_slab_free+0x5f/0x80
[ 26.443050][ C1] kfree+0x1c7/0x690
[ 26.443069][ C1] ? security_cred_free+0xc8/0x1e0
[ 26.443097][ C1] ? rcu_core+0x7bb/0x15c0
[ 26.443122][ C1] ? security_cred_free+0xc8/0x1e0
[ 26.443145][ C1] ? hook_cred_free+0xcf/0x100
[ 26.443169][ C1] security_cred_free+0xc8/0x1e0
[ 26.443195][ C1] put_cred_rcu+0x6a/0x580
[ 26.443221][ C1] ? rcu_core+0x7bb/0x15c0
[ 26.443248][ C1] rcu_core+0x7c0/0x15c0
[ 26.443280][ C1] ? __pfx_rcu_core+0x10/0x10
[ 26.443315][ C1] handle_softirqs+0x1ea/0x910
[ 26.443349][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 26.443385][ C1] __irq_exit_rcu+0xef/0x150
[ 26.443413][ C1] irq_exit_rcu+0x9/0x30
[ 26.443442][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 26.443464][ C1]
[ 26.443471][ C1]
[ 26.443479][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 26.443502][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 26.443525][ C1] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 26.443545][ C1] RSP: 0000:ffffc90000197df0 EFLAGS: 00000246
[ 26.443561][ C1] RAX: 000000000001350f RBX: ffff88801e2ba4c0 RCX: ffffffff8b76c4b5
[ 26.443575][ C1] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 26.443589][ C1] RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10170a673d
[ 26.443602][ C1] R10: ffff8880b85339eb R11: 0000000000000000 R12: ffffed1003c57498
[ 26.443616][ C1] R13: 0000000000000001 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 26.443636][ C1] ? ct_kernel_exit+0x125/0x180
[ 26.443664][ C1] default_idle+0x9/0x10
[ 26.443689][ C1] default_idle_call+0x6c/0xb0
[ 26.443715][ C1] do_idle+0x35b/0x4b0
[ 26.443744][ C1] ? __pfx_do_idle+0x10/0x10
[ 26.443780][ C1] cpu_startup_entry+0x4f/0x60
[ 26.443808][ C1] start_secondary+0x21d/0x2d0
[ 26.443832][ C1] ? __pfx_start_secondary+0x10/0x10
[ 26.443860][ C1] common_startup_64+0x13e/0x148
[ 26.443902][ C1]
[ 26.830248][ C0] #1: ffffffff8fc8cc28 (videodev_lock){+.+.}-{4:4}, at: __video_register_device+0x1e52/0x5970
[ 26.840619][ C0] #2: ffff88801c2dd988 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_add_one+0x38/0x850
[ 26.850585][ C0] #3: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: kernfs_root+0x23/0x2a0
[ 26.859763][ C0] #4: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 26.868647][ C0] Preemption disabled at:
[ 26.868654][ C0] [] handle_softirqs+0xf0/0x910
[ 26.879371][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 26.879390][ C0] Tainted: [W]=WARN
[ 26.879394][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 26.879401][ C0] Call Trace:
[ 26.879407][ C0]
[ 26.879413][ C0] dump_stack_lvl+0x100/0x190
[ 26.879433][ C0] __might_resched.cold+0x1ec/0x232
[ 26.879450][ C0] ? __pfx___might_resched+0x10/0x10
[ 26.879467][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 26.879485][ C0] arch_stack_walk+0xe0/0x130
[ 26.879504][ C0] ? kernfs_root+0x20e/0x2a0
[ 26.879525][ C0] stack_trace_save+0x8e/0xc0
[ 26.879542][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 26.879560][ C0] ? __lock_acquire+0x4a5/0x2630
[ 26.879573][ C0] kasan_save_stack+0x30/0x50
[ 26.879587][ C0] ? kasan_save_stack+0x30/0x50
[ 26.879599][ C0] ? kasan_save_track+0x14/0x30
[ 26.879612][ C0] ? kasan_save_free_info+0x3b/0x70
[ 26.879622][ C0] ? __kasan_slab_free+0x5f/0x80
[ 26.879635][ C0] ? kfree+0x1c7/0x690
[ 26.879645][ C0] ? security_task_free+0x9d/0x1a0
[ 26.879658][ C0] ? __put_task_struct+0x125/0x3c0
[ 26.879674][ C0] ? rcu_core+0x7c0/0x15c0
[ 26.879687][ C0] ? handle_softirqs+0x1ea/0x910
[ 26.879703][ C0] ? __irq_exit_rcu+0xef/0x150
[ 26.879718][ C0] ? irq_exit_rcu+0x9/0x30
[ 26.879733][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 26.879746][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 26.879758][ C0] ? lock_is_held_type+0xf5/0x140
[ 26.879769][ C0] ? kernfs_root+0x20e/0x2a0
[ 26.879803][ C0] kasan_save_track+0x14/0x30
[ 26.879816][ C0] kasan_save_free_info+0x3b/0x70
[ 26.879827][ C0] __kasan_slab_free+0x5f/0x80
[ 26.879842][ C0] kfree+0x1c7/0x690
[ 26.879853][ C0] ? security_task_free+0x9d/0x1a0
[ 26.879868][ C0] ? rcu_core+0x7bb/0x15c0
[ 26.879881][ C0] ? security_task_free+0x9d/0x1a0
[ 26.879894][ C0] security_task_free+0x9d/0x1a0
[ 26.879908][ C0] __put_task_struct+0x125/0x3c0
[ 26.879925][ C0] rcu_core+0x7c0/0x15c0
[ 26.879942][ C0] ? __pfx_rcu_core+0x10/0x10
[ 26.879955][ C0] ? ktime_get+0x1a7/0x300
[ 26.879981][ C0] handle_softirqs+0x1ea/0x910
[ 26.880000][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 26.880019][ C0] __irq_exit_rcu+0xef/0x150
[ 26.880034][ C0] irq_exit_rcu+0x9/0x30
[ 26.880050][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 26.880063][ C0]
[ 26.880066][ C0]
[ 26.880070][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 26.880083][ C0] RIP: 0010:lock_is_held_type+0xf5/0x140
[ 26.880097][ C0] Code: ff ff ff ff 65 0f c1 15 11 e0 6d 08 83 fa 01 8b 44 24 04 75 2d 9c 5a 80 e6 02 75 47 41 f7 c5 00 02 00 00 74 01 fb 48 83 c4 08 <5b> 5d 41 5c 41 5d 41 5e 41 5f e9 bc 28 03 00 c3 cc cc cc cc 31 c0
[ 26.880108][ C0] RSP: 0000:ffffc900000674e0 EFLAGS: 00000292
[ 26.880118][ C0] RAX: 0000000000000001 RBX: ffffffff8e5e32e0 RCX: 0000000000000001
[ 26.880126][ C0] RDX: 0000000000000046 RSI: ffffffff8dc1f521 RDI: ffffffff8bfa35a0
[ 26.880134][ C0] RBP: ffff8881412a0000 R08: 0000000000000005 R09: 0000000000000000
[ 26.880142][ C0] R10: 0000000000000001 R11: 0000000000000000 R12: 00000000ffffffff
[ 26.880148][ C0] R13: 0000000000000246 R14: ffff8881412a0ba8 R15: 0000000000000003
[ 26.880165][ C0] kernfs_root+0x20e/0x2a0
[ 26.880187][ C0] kernfs_link_sibling+0x269/0x770
[ 26.880203][ C0] kernfs_add_one+0x1e7/0x850
[ 26.880218][ C0] kernfs_create_link+0x1a9/0x240
[ 26.880235][ C0] sysfs_do_create_link_sd+0x90/0x140
[ 26.880253][ C0] sysfs_create_link+0x61/0xc0
[ 26.880271][ C0] device_add+0xb5d/0x1950
[ 26.880292][ C0] ? __pfx_device_add+0x10/0x10
[ 26.880306][ C0] ? lockdep_init_map_type+0x5c/0x250
[ 26.880323][ C0] __video_register_device+0x1e5a/0x5970
[ 26.880344][ C0] ? __pfx___video_register_device+0x10/0x10
[ 26.880359][ C0] ? debugfs_create_devm_seqfile+0xb4/0xe0
[ 26.880376][ C0] vivid_probe.cold+0x7c82/0x921b
[ 26.880409][ C0] ? __pfx_vivid_probe+0x10/0x10
[ 26.880427][ C0] ? is_acpi_device_node+0x6c/0x80
[ 26.880444][ C0] ? __pfx_vivid_probe+0x10/0x10
[ 26.880460][ C0] platform_probe+0x106/0x1d0
[ 26.880477][ C0] ? __pfx_platform_probe+0x10/0x10
[ 26.880494][ C0] really_probe+0x241/0xa60
[ 26.880507][ C0] __driver_probe_device+0x1de/0x400
[ 26.880521][ C0] driver_probe_device+0x4c/0x1b0
[ 26.880534][ C0] __driver_attach+0x217/0x5c0
[ 26.880547][ C0] ? __pfx___driver_attach+0x10/0x10
[ 26.880559][ C0] bus_for_each_dev+0x13e/0x1d0
[ 26.880575][ C0] ? __pfx_bus_for_each_dev+0x10/0x10
[ 26.880591][ C0] ? bus_add_driver+0x2b5/0x5b0
[ 26.880612][ C0] bus_add_driver+0x305/0x5b0
[ 26.880631][ C0] driver_register+0x1e2/0x360
[ 26.880646][ C0] vivid_init+0x50e/0x690
[ 26.880664][ C0] ? __pfx_vivid_init+0x10/0x10
[ 26.880678][ C0] do_one_initcall+0x11d/0x690
[ 26.880690][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 26.880716][ C0] kernel_init_freeable+0x6e5/0x790
[ 26.880728][ C0] ? __pfx_kernel_init+0x10/0x10
[ 26.880745][ C0] kernel_init+0x1f/0x1e0
[ 26.880760][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 26.880770][ C0] ? __pfx_kernel_init+0x10/0x10
[ 26.880785][ C0] ret_from_fork+0x754/0xaf0
[ 26.880800][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 26.880814][ C0] ? __switch_to+0x7b9/0x10c0
[ 26.880831][ C0] ? __pfx_kernel_init+0x10/0x10
[ 26.880847][ C0] ret_from_fork_asm+0x1a/0x30
[ 26.880866][ C0]
[ 26.881714][ T1] vivid-021: V4L2 receiver device registered as radio42
[ 27.418712][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 27.428569][ T1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 27.428646][ T1] preempt_count: 1, expected: 0
[ 27.428646][ T1] RCU nest depth: 1, expected: 0
[ 27.428646][ T1] 4 locks held by swapper/0/1:
[ 27.428646][ T1] #0: ffffffff8fe9b4b8 (&dev->mutex){....}-{4:4}, at: __driver_attach+0x20c/0x5c0
[ 27.428646][ T1] #1: ffffffff8fc8cc28 (videodev_lock){+.+.}-{4:4}, at: __video_register_device+0x1e52/0x5970
[ 27.428646][ T1] #2: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: __queue_work+0xe9/0x10f0
[ 27.428646][ T1] #3: ffff88813fec0018 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x270/0x10f0
[ 27.428646][ T1] irq event stamp: 622160
[ 27.428646][ T1] hardirqs last enabled at (622159): [] _raw_spin_unlock_irqrestore+0x52/0x80
[ 27.428646][ T1] hardirqs last disabled at (622160): [] queue_work_on+0xea/0x1e0
[ 27.428646][ T1] softirqs last enabled at (622116): [] __irq_exit_rcu+0xef/0x150
[ 27.428646][ T1] softirqs last disabled at (622111): [] __irq_exit_rcu+0xef/0x150
[ 27.428646][ T1] Preemption disabled at:
[ 27.428646][ T1] [<0000000000000000>] 0x0
[ 27.428646][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 27.428646][ T1] Tainted: [W]=WARN
[ 27.428646][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 27.428646][ T1] Call Trace:
[ 27.428646][ T1]
[ 27.428646][ T1] dump_stack_lvl+0x100/0x190
[ 27.428646][ T1] __might_resched.cold+0x1ec/0x232
[ 27.428646][ T1] ? __pfx___might_resched+0x10/0x10
[ 27.428646][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 27.428646][ T1] arch_stack_walk+0xe0/0x130
[ 27.428646][ T1] ? __driver_attach+0x217/0x5c0
[ 27.428646][ T1] stack_trace_save+0x8e/0xc0
[ 27.428646][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 27.428646][ T1] ? __lock_acquire+0x4a5/0x2630
[ 27.428646][ T1] kasan_save_stack+0x30/0x50
[ 27.428646][ T1] ? kasan_save_stack+0x30/0x50
[ 27.428646][ T1] ? kasan_record_aux_stack+0xa7/0xc0
[ 27.428646][ T1] ? insert_work+0x36/0x230
[ 27.428646][ T1] ? __queue_work+0x96f/0x10f0
[ 27.428646][ T1] ? queue_work_on+0x180/0x1e0
[ 27.428646][ T1] ? call_usermodehelper_exec+0x1d6/0x4e0
[ 27.428646][ T1] ? kobject_uevent_env+0x17dd/0x18b0
[ 27.428646][ T1] ? device_add+0x116e/0x1950
[ 27.428646][ T1] ? __video_register_device+0x1e5a/0x5970
[ 27.428646][ T1] ? vivid_probe.cold+0x7f40/0x921b
[ 27.428646][ T1] ? platform_probe+0x106/0x1d0
[ 27.428646][ T1] ? really_probe+0x241/0xa60
[ 27.428646][ T1] ? __driver_probe_device+0x1de/0x400
[ 27.428646][ T1] ? driver_probe_device+0x4c/0x1b0
[ 27.428646][ T1] ? __driver_attach+0x217/0x5c0
[ 27.428646][ T1] kasan_record_aux_stack+0xa7/0xc0
[ 27.428646][ T1] insert_work+0x36/0x230
[ 27.428646][ T1] __queue_work+0x96f/0x10f0
[ 27.428646][ T1] queue_work_on+0x180/0x1e0
[ 27.428646][ T1] call_usermodehelper_exec+0x1d6/0x4e0
[ 27.428646][ T1] ? __pfx_call_usermodehelper_exec+0x10/0x10
[ 27.428646][ T1] ? __pfx_cleanup_uevent_env+0x10/0x10
[ 27.428646][ T1] ? call_usermodehelper_setup+0x113/0x360
[ 27.428646][ T1] ? call_usermodehelper_setup+0x268/0x360
[ 27.428646][ T1] kobject_uevent_env+0x17dd/0x18b0
[ 27.428646][ T1] ? sysfs_do_create_link_sd+0xbb/0x140
[ 27.428646][ T1] ? bus_to_subsys+0x114/0x150
[ 27.428646][ T1] device_add+0x116e/0x1950
[ 27.428646][ T1] ? __pfx_device_add+0x10/0x10
[ 27.428646][ T1] ? lockdep_init_map_type+0x5c/0x250
[ 27.428646][ T1] __video_register_device+0x1e5a/0x5970
[ 27.428646][ T1] ? __pfx___video_register_device+0x10/0x10
[ 27.428646][ T1] ? debugfs_create_devm_seqfile+0xb4/0xe0
[ 27.428646][ T1] vivid_probe.cold+0x7f40/0x921b
[ 27.428646][ T1] ? __pfx_vivid_probe+0x10/0x10
[ 27.428646][ T1] ? is_acpi_device_node+0x6c/0x80
[ 27.428646][ T1] ? __pfx_vivid_probe+0x10/0x10
[ 27.428646][ T1] platform_probe+0x106/0x1d0
[ 27.428646][ T1] ? __pfx_platform_probe+0x10/0x10
[ 27.428646][ T1] really_probe+0x241/0xa60
[ 27.428646][ T1] __driver_probe_device+0x1de/0x400
[ 27.428646][ T1] driver_probe_device+0x4c/0x1b0
[ 27.428646][ T1] __driver_attach+0x217/0x5c0
[ 27.428646][ T1] ? __pfx___driver_attach+0x10/0x10
[ 27.428646][ T1] bus_for_each_dev+0x13e/0x1d0
[ 27.428646][ T1] ? __pfx_bus_for_each_dev+0x10/0x10
[ 27.428646][ T1] ? bus_add_driver+0x2b5/0x5b0
[ 27.428646][ T1] bus_add_driver+0x305/0x5b0
[ 27.428646][ T1] driver_register+0x1e2/0x360
[ 27.428646][ T1] vivid_init+0x50e/0x690
[ 27.428646][ T1] ? __pfx_vivid_init+0x10/0x10
[ 27.428646][ T1] do_one_initcall+0x11d/0x690
[ 27.428646][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 27.428646][ T1] kernel_init_freeable+0x6e5/0x790
[ 27.428646][ T1] ? __pfx_kernel_init+0x10/0x10
[ 27.428646][ T1] kernel_init+0x1f/0x1e0
[ 27.428646][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 27.428646][ T1] ? __pfx_kernel_init+0x10/0x10
[ 27.428646][ T1] ret_from_fork+0x754/0xaf0
[ 27.428646][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 27.428646][ T1] ? __switch_to+0x7b9/0x10c0
[ 27.428646][ T1] ? __pfx_kernel_init+0x10/0x10
[ 27.428646][ T1] ret_from_fork_asm+0x1a/0x30
[ 27.428646][ T1]
[ 27.944453][ T1] vivid-021: V4L2 transmitter device registered as radio43
[ 27.952469][ T1] vivid-021: V4L2 metadata capture device registered as video93
[ 27.960850][ T1] vivid-021: V4L2 metadata output device registered as video94
[ 27.969141][ T1] vivid-021: V4L2 touch capture device registered as v4l-touch21
[ 27.977768][ T1] vivid-022: using single planar format API
[ 27.997613][ T1] vivid-022: CEC adapter cec44 registered for HDMI input
[ 28.005510][ T1] vivid-022: V4L2 capture device registered as video95
[ 28.013115][ T1] vivid-022: CEC adapter cec45 registered for HDMI output 0
[ 28.021141][ T1] vivid-022: V4L2 output device registered as video96
[ 28.028817][ T1] vivid-022: V4L2 capture device registered as vbi44, supports raw and sliced VBI
[ 28.038839][ T1] vivid-022: V4L2 output device registered as vbi45, supports raw and sliced VBI
[ 28.048857][ T1] vivid-022: V4L2 capture device registered as swradio22
[ 28.056620][ T1] vivid-022: V4L2 receiver device registered as radio44
[ 28.064312][ T1] vivid-022: V4L2 transmitter device registered as radio45
[ 28.072210][ T1] vivid-022: V4L2 metadata capture device registered as video97
[ 28.080600][ T1] vivid-022: V4L2 metadata output device registered as video98
[ 28.088944][ T1] vivid-022: V4L2 touch capture device registered as v4l-touch22
[ 28.097664][ T1] vivid-023: using multiplanar format API
[ 28.116513][ T1] vivid-023: CEC adapter cec46 registered for HDMI input
[ 28.124340][ T1] vivid-023: V4L2 capture device registered as video99
[ 28.132151][ T1] vivid-023: CEC adapter cec47 registered for HDMI output 0
[ 28.140472][ T1] vivid-023: V4L2 output device registered as video100
[ 28.148523][ T1] vivid-023: V4L2 capture device registered as vbi46, supports raw and sliced VBI
[ 28.158625][ T1] vivid-023: V4L2 output device registered as vbi47, supports raw and sliced VBI
[ 28.168835][ T1] vivid-023: V4L2 capture device registered as swradio23
[ 28.176830][ T1] vivid-023: V4L2 receiver device registered as radio46
[ 28.184555][ T1] vivid-023: V4L2 transmitter device registered as radio47
[ 28.192564][ T1] vivid-023: V4L2 metadata capture device registered as video101
[ 28.201239][ T1] vivid-023: V4L2 metadata output device registered as video102
[ 28.209675][ T1] vivid-023: V4L2 touch capture device registered as v4l-touch23
[ 28.218142][ T1] vivid-024: using single planar format API
[ 28.237670][ T1] vivid-024: CEC adapter cec48 registered for HDMI input
[ 28.245527][ T1] vivid-024: V4L2 capture device registered as video103
[ 28.253308][ T1] vivid-024: CEC adapter cec49 registered for HDMI output 0
[ 28.260652][ T1] videodev: could not get a free minor
[ 28.284608][ T1] usbcore: registered new interface driver radioshark2
[ 28.292021][ T1] usbcore: registered new interface driver radioshark
[ 28.299450][ T1] usbcore: registered new interface driver radio-si470x
[ 28.307611][ T1] usbcore: registered new interface driver radio-usb-si4713
[ 28.315606][ T1] usbcore: registered new interface driver dsbr100
[ 28.322608][ T1] usbcore: registered new interface driver radio-keene
[ 28.329978][ T1] usbcore: registered new interface driver radio-ma901
[ 28.337329][ T1] usbcore: registered new interface driver radio-mr800
[ 28.344609][ T1] usbcore: registered new interface driver radio-raremono
[ 28.354204][ T1] usbcore: registered new interface driver powerz
[ 28.361894][ T1] usbcore: registered new interface driver pcwd_usb
[ 28.370795][ T1] device-mapper: core: CONFIG_IMA_DISABLE_HTABLE is disabled. Duplicate IMA measurements will not be recorded in the IMA log.
[ 28.384385][ T1] device-mapper: uevent: version 1.0.3
[ 28.391061][ T1] device-mapper: ioctl: 4.50.0-ioctl (2025-04-28) initialised: dm-devel@lists.linux.dev
[ 28.403255][ T1] device-mapper: multipath round-robin: version 1.2.0 loaded
[ 28.410968][ T1] device-mapper: multipath queue-length: version 0.2.0 loaded
[ 28.418477][ T1] device-mapper: multipath service-time: version 0.3.0 loaded
[ 28.425948][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 28.425961][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 28.425971][ C0] preempt_count: 101, expected: 0
[ 28.425977][ C0] RCU nest depth: 0, expected: 0
[ 28.425983][ C0] 3 locks held by swapper/0/1:
[ 28.425991][ C0] #0: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x110
[ 28.426026][ C0] #1: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 28.426063][ C0] #2: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 28.426095][ C0] Preemption disabled at:
[ 28.426098][ C0] [] vprintk_emit+0x2b2/0x6b0
[ 28.426122][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 28.426144][ C0] Tainted: [W]=WARN
[ 28.426148][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 28.426155][ C0] Call Trace:
[ 28.426160][ C0]
[ 28.426165][ C0] dump_stack_lvl+0x100/0x190
[ 28.426183][ C0] __might_resched.cold+0x1ec/0x232
[ 28.426199][ C0] ? __pfx___might_resched+0x10/0x10
[ 28.426216][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 28.426234][ C0] arch_stack_walk+0xe0/0x130
[ 28.426252][ C0] ? console_unlock+0x103/0x260
[ 28.426269][ C0] stack_trace_save+0x8e/0xc0
[ 28.426286][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 28.426304][ C0] ? __lock_acquire+0x4a5/0x2630
[ 28.426317][ C0] kasan_save_stack+0x30/0x50
[ 28.426331][ C0] ? kasan_save_stack+0x30/0x50
[ 28.426343][ C0] ? kasan_save_track+0x14/0x30
[ 28.426356][ C0] ? kasan_save_free_info+0x3b/0x70
[ 28.426366][ C0] ? __kasan_slab_free+0x5f/0x80
[ 28.426380][ C0] ? kfree+0x1c7/0x690
[ 28.426389][ C0] ? security_task_free+0x9d/0x1a0
[ 28.426403][ C0] ? __put_task_struct+0x125/0x3c0
[ 28.426419][ C0] ? rcu_core+0x7c0/0x15c0
[ 28.426432][ C0] ? handle_softirqs+0x1ea/0x910
[ 28.426447][ C0] ? __irq_exit_rcu+0xef/0x150
[ 28.426462][ C0] ? irq_exit_rcu+0x9/0x30
[ 28.426477][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 28.426489][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 28.426502][ C0] ? console_flush_one_record+0xac3/0xe50
[ 28.426517][ C0] ? console_unlock+0x103/0x260
[ 28.426548][ C0] kasan_save_track+0x14/0x30
[ 28.426561][ C0] kasan_save_free_info+0x3b/0x70
[ 28.426572][ C0] __kasan_slab_free+0x5f/0x80
[ 28.426587][ C0] kfree+0x1c7/0x690
[ 28.426597][ C0] ? security_task_free+0x9d/0x1a0
[ 28.426613][ C0] ? rcu_core+0x7bb/0x15c0
[ 28.426626][ C0] ? security_task_free+0x9d/0x1a0
[ 28.426639][ C0] security_task_free+0x9d/0x1a0
[ 28.426653][ C0] __put_task_struct+0x125/0x3c0
[ 28.426670][ C0] rcu_core+0x7c0/0x15c0
[ 28.426687][ C0] ? __pfx_rcu_core+0x10/0x10
[ 28.426706][ C0] handle_softirqs+0x1ea/0x910
[ 28.426725][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 28.426744][ C0] __irq_exit_rcu+0xef/0x150
[ 28.426760][ C0] irq_exit_rcu+0x9/0x30
[ 28.426775][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 28.426787][ C0]
[ 28.426791][ C0]
[ 28.426795][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 28.426808][ C0] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 28.426824][ C0] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 28.426836][ C0] RSP: 0000:ffffc900000679d0 EFLAGS: 00000293
[ 28.426845][ C0] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 28.426853][ C0] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 28.426861][ C0] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 28.426868][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000012ce
[ 28.426875][ C0] R13: ffffffff8f2f9af8 R14: ffffc90000067a50 R15: dffffc0000000000
[ 28.426886][ C0] ? console_flush_one_record+0xab1/0xe50
[ 28.426902][ C0] ? console_flush_one_record+0xabf/0xe50
[ 28.426922][ C0] ? __pfx_console_flush_one_record+0x10/0x10
[ 28.426941][ C0] ? is_printk_cpu_sync_owner+0x32/0x40
[ 28.426960][ C0] console_unlock+0x103/0x260
[ 28.426975][ C0] ? __pfx_console_unlock+0x10/0x10
[ 28.426992][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 28.427006][ C0] ? _printk+0xcf/0x110
[ 28.427016][ C0] ? _printk+0xcf/0x110
[ 28.427028][ C0] vprintk_emit+0x407/0x6b0
[ 28.427044][ C0] ? __pfx_vprintk_emit+0x10/0x10
[ 28.427061][ C0] ? __pfx___might_resched+0x10/0x10
[ 28.427076][ C0] _printk+0xcf/0x110
[ 28.427087][ C0] ? __pfx__printk+0x10/0x10
[ 28.427099][ C0] ? up_write+0x290/0x4f0
[ 28.427112][ C0] ? kasan_save_track+0x14/0x30
[ 28.427127][ C0] ? dm_st_init+0x3f/0x60
[ 28.427141][ C0] ? dm_st_init+0x21/0x60
[ 28.427151][ C0] ? __pfx_dm_st_init+0x10/0x10
[ 28.427161][ C0] dm_st_init+0x4b/0x60
[ 28.427171][ C0] do_one_initcall+0x11d/0x690
[ 28.427183][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 28.427208][ C0] kernel_init_freeable+0x6e5/0x790
[ 28.427221][ C0] ? __pfx_kernel_init+0x10/0x10
[ 28.427238][ C0] kernel_init+0x1f/0x1e0
[ 28.427252][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 28.427263][ C0] ? __pfx_kernel_init+0x10/0x10
[ 28.427277][ C0] ret_from_fork+0x754/0xaf0
[ 28.427292][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 28.427307][ C0] ? __switch_to+0x7b9/0x10c0
[ 28.427323][ C0] ? __pfx_kernel_init+0x10/0x10
[ 28.427340][ C0] ret_from_fork_asm+0x1a/0x30
[ 28.427358][ C0]
[ 28.972541][ T1] Bluetooth: HCI UART driver ver 2.3
[ 28.977993][ T1] Bluetooth: HCI UART protocol H4 registered
[ 28.983945][ T1] Bluetooth: HCI UART protocol BCSP registered
[ 28.990292][ T1] Bluetooth: HCI UART protocol LL registered
[ 28.996518][ T1] Bluetooth: HCI UART protocol Three-wire (H5) registered
[ 29.003766][ T1] Bluetooth: HCI UART protocol QCA registered
[ 29.009852][ T1] Bluetooth: HCI UART protocol AG6XX registered
[ 29.016345][ T1] Bluetooth: HCI UART protocol Marvell registered
[ 29.023215][ T1] usbcore: registered new interface driver bcm203x
[ 29.030229][ T1] usbcore: registered new interface driver bpa10x
[ 29.037122][ T1] usbcore: registered new interface driver bfusb
[ 29.043967][ T1] usbcore: registered new interface driver btusb
[ 29.050902][ T1] usbcore: registered new interface driver ath3k
[ 29.057719][ T1] Modular ISDN core version 1.1.29
[ 29.063879][ T1] NET: Registered PF_ISDN protocol family
[ 29.069635][ T1] DSP module 2.0
[ 29.073176][ T1] mISDN_dsp: DSP clocks every 80 samples. This equals 1 jiffies.
[ 29.090995][ T1] mISDN: Layer-1-over-IP driver Rev. 2.00
[ 29.098581][ T1] 0 virtual devices registered
[ 29.103804][ T1] usbcore: registered new interface driver HFC-S_USB
[ 29.110849][ T1] intel_pstate: CPU model not supported
[ 29.116420][ T1] VUB300 Driver rom wait states = 1C irqpoll timeout = 0400
[ 29.118087][ T1] usbcore: registered new interface driver vub300
[ 29.132479][ T1] usbcore: registered new interface driver ushc
[ 29.146001][ T1] iscsi: registered transport (iser)
[ 29.152313][ T1] SoftiWARP attached
[ 29.170651][ T1] hid: raw HID events driver (C) Jiri Kosina
[ 29.251374][ T1] usbcore: registered new interface driver usbhid
[ 29.262353][ T1] usbhid: USB HID core driver
[ 29.272545][ T1] usbcore: registered new interface driver es2_ap_driver
[ 29.280369][ T1] comedi: version 0.7.76 - http://www.comedi.org
[ 29.293047][ T1] comedi comedi4: comedi_test: 1000000 microvolt, 100000 microsecond waveform attached
[ 29.314519][ T1] comedi comedi4: driver 'comedi_test' has successfully auto-configured 'comedi_test'.
[ 29.326347][ T1] usbcore: registered new interface driver dt9812
[ 29.333125][ T1] usbcore: registered new interface driver ni6501
[ 29.340509][ T1] usbcore: registered new interface driver usbdux
[ 29.347410][ T1] usbcore: registered new interface driver usbduxfast
[ 29.354595][ T1] usbcore: registered new interface driver usbduxsigma
[ 29.361929][ T1] usbcore: registered new interface driver vmk80xx
[ 29.368813][ T1] greybus: registered new driver hid
[ 29.374793][ T1] greybus: registered new driver gbphy
[ 29.380568][ T1] gb_gbphy: registered new driver usb
[ 29.386170][ T1] asus_wmi: ASUS WMI generic driver loaded
[ 29.402241][ T1] gnss: GNSS driver registered with major 494
[ 29.409629][ T1] usbcore: registered new interface driver gnss-usb
[ 29.416820][ T1] usbcore: registered new interface driver hdm_usb
[ 29.424809][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 29.434682][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 29.443720][ T1] preempt_count: 2, expected: 0
[ 29.448567][ T1] RCU nest depth: 0, expected: 0
[ 29.453476][ T1] 3 locks held by swapper/0/1:
[ 29.458297][ T1] #0: ffffffff902ae088 (sound_mutex){+.+.}-{4:4}, at: snd_register_device+0x4cb/0x660
[ 29.467994][ T1] #1: ffff8880b85398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 29.477086][ T1] #2: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 29.487432][ T1] Preemption disabled at:
[ 29.487438][ T1] [] __radix_tree_preload+0x2c/0x820
[ 29.498667][ T1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 29.498686][ T1] Tainted: [W]=WARN
[ 29.498689][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 29.498697][ T1] Call Trace:
[ 29.498703][ T1]
[ 29.498710][ T1] dump_stack_lvl+0x100/0x190
[ 29.498727][ T1] __might_resched.cold+0x1ec/0x232
[ 29.498743][ T1] ? __pfx___might_resched+0x10/0x10
[ 29.498759][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 29.498776][ T1] arch_stack_walk+0xe0/0x130
[ 29.498793][ T1] ? device_add+0x9ef/0x1950
[ 29.498809][ T1] stack_trace_save+0x8e/0xc0
[ 29.498824][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 29.498843][ T1] kasan_save_stack+0x30/0x50
[ 29.498856][ T1] ? kasan_save_stack+0x30/0x50
[ 29.498868][ T1] ? kasan_save_track+0x14/0x30
[ 29.498879][ T1] ? __kasan_slab_alloc+0x89/0x90
[ 29.498891][ T1] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 29.498904][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 29.498921][ T1] ? idr_get_free+0x52e/0xa00
[ 29.498930][ T1] ? idr_alloc_u32+0x1ac/0x320
[ 29.498939][ T1] ? idr_alloc_cyclic+0x10b/0x230
[ 29.498949][ T1] ? __kernfs_new_node+0x11a/0x960
[ 29.498965][ T1] ? kernfs_new_node+0x11b/0x1a0
[ 29.498974][ T1] ? __kernfs_create_file+0x53/0x350
[ 29.498986][ T1] ? sysfs_add_file_mode_ns+0x207/0x3c0
[ 29.499000][ T1] ? sysfs_merge_group+0x194/0x340
[ 29.499009][ T1] ? dpm_sysfs_add+0x237/0x280
[ 29.499021][ T1] ? device_add+0x9ef/0x1950
[ 29.499050][ T1] kasan_save_track+0x14/0x30
[ 29.499063][ T1] __kasan_slab_alloc+0x89/0x90
[ 29.499077][ T1] kmem_cache_alloc_noprof+0x2ad/0x780
[ 29.499091][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 29.499109][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 29.499124][ T1] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 29.499143][ T1] idr_get_free+0x52e/0xa00
[ 29.499158][ T1] idr_alloc_u32+0x1ac/0x320
[ 29.499170][ T1] ? __pfx_idr_alloc_u32+0x10/0x10
[ 29.499183][ T1] ? lock_acquire+0x17c/0x330
[ 29.499196][ T1] idr_alloc_cyclic+0x10b/0x230
[ 29.499208][ T1] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 29.499218][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 29.499235][ T1] __kernfs_new_node+0x11a/0x960
[ 29.499257][ T1] ? __pfx___kernfs_new_node+0x10/0x10
[ 29.499277][ T1] ? find_held_lock+0x2b/0x80
[ 29.499291][ T1] ? kernfs_root+0xee/0x2a0
[ 29.499306][ T1] ? kernfs_root+0xee/0x2a0
[ 29.499325][ T1] kernfs_new_node+0x11b/0x1a0
[ 29.499338][ T1] __kernfs_create_file+0x53/0x350
[ 29.499354][ T1] sysfs_add_file_mode_ns+0x207/0x3c0
[ 29.499373][ T1] sysfs_merge_group+0x194/0x340
[ 29.499384][ T1] ? __pfx_sysfs_merge_group+0x10/0x10
[ 29.499402][ T1] ? __pfx_dev_add_physical_location+0x10/0x10
[ 29.499415][ T1] ? bus_to_subsys+0x114/0x150
[ 29.499431][ T1] dpm_sysfs_add+0x237/0x280
[ 29.499444][ T1] device_add+0x9ef/0x1950
[ 29.499458][ T1] ? __pfx_device_add+0x10/0x10
[ 29.499477][ T1] snd_register_device+0x2f5/0x660
[ 29.499492][ T1] alsa_timer_init+0x394/0x4a0
[ 29.499507][ T1] ? __pfx_alsa_timer_init+0x10/0x10
[ 29.499520][ T1] ? _snd_ctl_register_ioctl+0x191/0x200
[ 29.499537][ T1] ? __pfx_alsa_timer_init+0x10/0x10
[ 29.499549][ T1] do_one_initcall+0x11d/0x690
[ 29.499560][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 29.499583][ T1] kernel_init_freeable+0x6e5/0x790
[ 29.499595][ T1] ? __pfx_kernel_init+0x10/0x10
[ 29.499611][ T1] kernel_init+0x1f/0x1e0
[ 29.499624][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 29.499634][ T1] ? __pfx_kernel_init+0x10/0x10
[ 29.499647][ T1] ret_from_fork+0x754/0xaf0
[ 29.499661][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 29.499674][ T1] ? __switch_to+0x7b9/0x10c0
[ 29.499689][ T1] ? __pfx_kernel_init+0x10/0x10
[ 29.499704][ T1] ret_from_fork_asm+0x1a/0x30
[ 29.499721][ T1]
[ 29.592921][ T1] usbcore: registered new interface driver snd-usb-audio
[ 29.895631][ T1] usbcore: registered new interface driver snd-ua101
[ 29.902785][ T1] usbcore: registered new interface driver snd-usb-usx2y
[ 29.910705][ T1] usbcore: registered new interface driver snd-usb-us122l
[ 29.923170][ T1] usbcore: registered new interface driver snd-usb-caiaq
[ 29.930729][ T1] usbcore: registered new interface driver snd-usb-6fire
[ 29.938272][ T1] usbcore: registered new interface driver snd-usb-hiface
[ 29.945859][ T1] usbcore: registered new interface driver snd-bcd2000
[ 29.953207][ T1] usbcore: registered new interface driver snd_usb_pod
[ 29.960579][ T1] usbcore: registered new interface driver snd_usb_podhd
[ 29.968443][ T1] usbcore: registered new interface driver snd_usb_toneport
[ 29.976244][ T1] usbcore: registered new interface driver snd_usb_variax
[ 29.988606][ T1] drop_monitor: Initializing network drop monitor service
[ 29.996447][ T1] NET: Registered PF_LLC protocol family
[ 30.002341][ T1] GACT probability on
[ 30.006735][ T1] Mirror/redirect action on
[ 30.011415][ T1] Simple TC action Loaded
[ 30.021380][ T1] netem: version 1.3
[ 30.025743][ T1] u32 classifier
[ 30.029271][ T1] Performance counters on
[ 30.033925][ T1] input device check on
[ 30.039006][ T1] Actions configured
[ 30.047451][ T1] nf_conntrack_irc: failed to register helpers
[ 30.053652][ T1] nf_conntrack_sane: failed to register helpers
[ 30.167939][ T1] nf_conntrack_sip: failed to register helpers
[ 30.179271][ T1] xt_time: kernel timezone is -0000
[ 30.184624][ T1] IPVS: Registered protocols (TCP, UDP, SCTP, AH, ESP)
[ 30.191600][ T1] IPVS: Connection hash table configured (size=4096, memory=32Kbytes)
[ 30.200523][ T1] IPVS: ipvs loaded.
[ 30.204477][ T1] IPVS: [rr] scheduler registered.
[ 30.209624][ T1] IPVS: [wrr] scheduler registered.
[ 30.214823][ T1] IPVS: [lc] scheduler registered.
[ 30.219934][ T1] IPVS: [wlc] scheduler registered.
[ 30.225155][ T1] IPVS: [fo] scheduler registered.
[ 30.230244][ T1] IPVS: [ovf] scheduler registered.
[ 30.235492][ T1] IPVS: [lblc] scheduler registered.
[ 30.240774][ T1] IPVS: [lblcr] scheduler registered.
[ 30.246151][ T1] IPVS: [dh] scheduler registered.
[ 30.251231][ T1] IPVS: [sh] scheduler registered.
[ 30.256347][ T1] IPVS: [mh] scheduler registered.
[ 30.261425][ T1] IPVS: [sed] scheduler registered.
[ 30.266638][ T1] IPVS: [nq] scheduler registered.
[ 30.271723][ T1] IPVS: [twos] scheduler registered.
[ 30.277211][ T1] IPVS: [sip] pe registered.
[ 30.282030][ T1] ipip: IPv4 and MPLS over IPv4 tunneling driver
[ 30.291768][ T1] gre: GRE over IPv4 demultiplexer driver
[ 30.297526][ T1] ip_gre: GRE over IPv4 tunneling driver
[ 30.312755][ T1] IPv4 over IPsec tunneling driver
[ 30.321846][ T1] Initializing XFRM netlink socket
[ 30.327448][ T1] IPsec XFRM device driver
[ 30.332503][ T1] NET: Registered PF_INET6 protocol family
[ 30.346770][ T1] Segment Routing with IPv6
[ 30.351281][ T1] RPL Segment Routing with IPv6
[ 30.357050][ T1] In-situ OAM (IOAM) with IPv6
[ 30.362087][ T1] mip6: Mobile IPv6
[ 30.370635][ T1] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver
[ 30.384183][ T1] ip6_gre: GRE over IPv6 tunneling driver
[ 30.393888][ T1] NET: Registered PF_PACKET protocol family
[ 30.399850][ T1] PFKEY is deprecated and scheduled to be removed in 2027, please contact the netdev mailing list
[ 30.411039][ T1] NET: Registered PF_KEY protocol family
[ 30.417103][ T1] Bridge firewalling registered
[ 30.422693][ T1] NET: Registered PF_X25 protocol family
[ 30.428355][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 30.428369][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 30.428379][ C0] preempt_count: 101, expected: 0
[ 30.428385][ C0] RCU nest depth: 0, expected: 0
[ 30.428392][ C0] 3 locks held by swapper/0/1:
[ 30.428399][ C0] #0: ffffffff8e5cf500 (console_lock){+.+.}-{0:0}, at: _printk+0xcf/0x110
[ 30.428434][ C0] #1: ffffffff8e5cf578 (console_srcu){....}-{0:0}, at: console_flush_one_record+0xfd/0xe50
[ 30.428470][ C0] #2: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 30.428503][ C0] Preemption disabled at:
[ 30.428506][ C0] [] vprintk_emit+0x2b2/0x6b0
[ 30.428530][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 30.428547][ C0] Tainted: [W]=WARN
[ 30.428551][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 30.428558][ C0] Call Trace:
[ 30.428562][ C0]
[ 30.428568][ C0] dump_stack_lvl+0x100/0x190
[ 30.428585][ C0] __might_resched.cold+0x1ec/0x232
[ 30.428601][ C0] ? __pfx___might_resched+0x10/0x10
[ 30.428616][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 30.428631][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 30.428650][ C0] arch_stack_walk+0xe0/0x130
[ 30.428668][ C0] ? console_unlock+0x103/0x260
[ 30.428685][ C0] stack_trace_save+0x8e/0xc0
[ 30.428702][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 30.428720][ C0] ? __lock_acquire+0x4a5/0x2630
[ 30.428734][ C0] kasan_save_stack+0x30/0x50
[ 30.428747][ C0] ? kasan_save_stack+0x30/0x50
[ 30.428760][ C0] ? kasan_save_track+0x14/0x30
[ 30.428772][ C0] ? kasan_save_free_info+0x3b/0x70
[ 30.428783][ C0] ? __kasan_slab_free+0x5f/0x80
[ 30.428796][ C0] ? kfree+0x1c7/0x690
[ 30.428806][ C0] ? security_cred_free+0xc8/0x1e0
[ 30.428820][ C0] ? put_cred_rcu+0x6a/0x580
[ 30.428833][ C0] ? rcu_core+0x7c0/0x15c0
[ 30.428845][ C0] ? handle_softirqs+0x1ea/0x910
[ 30.428861][ C0] ? __irq_exit_rcu+0xef/0x150
[ 30.428876][ C0] ? irq_exit_rcu+0x9/0x30
[ 30.428897][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 30.428909][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 30.428922][ C0] ? console_flush_one_record+0xac3/0xe50
[ 30.428936][ C0] ? console_unlock+0x103/0x260
[ 30.428967][ C0] kasan_save_track+0x14/0x30
[ 30.428981][ C0] kasan_save_free_info+0x3b/0x70
[ 30.428992][ C0] __kasan_slab_free+0x5f/0x80
[ 30.429007][ C0] kfree+0x1c7/0x690
[ 30.429018][ C0] ? security_cred_free+0xc8/0x1e0
[ 30.429033][ C0] ? rcu_core+0x7bb/0x15c0
[ 30.429046][ C0] ? security_cred_free+0xc8/0x1e0
[ 30.429059][ C0] ? hook_cred_free+0xcf/0x100
[ 30.429073][ C0] security_cred_free+0xc8/0x1e0
[ 30.429087][ C0] put_cred_rcu+0x6a/0x580
[ 30.429101][ C0] ? rcu_core+0x7bb/0x15c0
[ 30.429114][ C0] rcu_core+0x7c0/0x15c0
[ 30.429130][ C0] ? __pfx_rcu_core+0x10/0x10
[ 30.429150][ C0] handle_softirqs+0x1ea/0x910
[ 30.429168][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 30.429188][ C0] __irq_exit_rcu+0xef/0x150
[ 30.429204][ C0] irq_exit_rcu+0x9/0x30
[ 30.429219][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 30.429231][ C0]
[ 30.429235][ C0]
[ 30.429239][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 30.429252][ C0] RIP: 0010:console_flush_one_record+0xac3/0xe50
[ 30.429268][ C0] Code: 00 e8 b1 30 29 00 9c 5d 81 e5 00 02 00 00 31 ff 48 89 ee e8 0f 43 21 00 48 85 ed 0f 85 d7 01 00 00 e8 21 48 21 00 fb 4c 89 e8 <48> c1 e8 03 42 80 3c 38 00 0f 85 64 03 00 00 48 8b 0c 24 48 8b 6b
[ 30.429280][ C0] RSP: 0000:ffffc900000679b0 EFLAGS: 00000293
[ 30.429290][ C0] RAX: ffffffff8f2f9af8 RBX: ffffffff8f2f9aa0 RCX: ffffffff81e5b331
[ 30.429298][ C0] RDX: ffff8881412a0000 RSI: ffffffff81e5b33f RDI: ffff8881412a0000
[ 30.429306][ C0] RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000
[ 30.429312][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000013f3
[ 30.429319][ C0] R13: ffffffff8f2f9af8 R14: ffffc90000067a30 R15: dffffc0000000000
[ 30.429331][ C0] ? console_flush_one_record+0xab1/0xe50
[ 30.429346][ C0] ? console_flush_one_record+0xabf/0xe50
[ 30.429366][ C0] ? __pfx_console_flush_one_record+0x10/0x10
[ 30.429386][ C0] ? is_printk_cpu_sync_owner+0x32/0x40
[ 30.429405][ C0] console_unlock+0x103/0x260
[ 30.429420][ C0] ? __pfx_console_unlock+0x10/0x10
[ 30.429437][ C0] ? do_raw_spin_unlock+0x145/0x1e0
[ 30.429450][ C0] ? _printk+0xcf/0x110
[ 30.429461][ C0] ? _printk+0xcf/0x110
[ 30.429473][ C0] vprintk_emit+0x407/0x6b0
[ 30.429489][ C0] ? __pfx_vprintk_emit+0x10/0x10
[ 30.429508][ C0] _printk+0xcf/0x110
[ 30.429519][ C0] ? __pfx__printk+0x10/0x10
[ 30.429530][ C0] ? do_raw_spin_lock+0x128/0x260
[ 30.429543][ C0] ? find_held_lock+0x2b/0x80
[ 30.429558][ C0] ? sock_register+0xed/0x2e0
[ 30.429576][ C0] ? sock_register+0xed/0x2e0
[ 30.429595][ C0] ? __pfx_x25_init+0x10/0x10
[ 30.429607][ C0] sock_register+0x152/0x2e0
[ 30.429624][ C0] x25_init+0x3c/0x120
[ 30.429635][ C0] do_one_initcall+0x11d/0x690
[ 30.429647][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 30.429672][ C0] kernel_init_freeable+0x6e5/0x790
[ 30.429685][ C0] ? __pfx_kernel_init+0x10/0x10
[ 30.429702][ C0] kernel_init+0x1f/0x1e0
[ 30.429716][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 30.429726][ C0] ? __pfx_kernel_init+0x10/0x10
[ 30.429741][ C0] ret_from_fork+0x754/0xaf0
[ 30.429756][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 30.429770][ C0] ? __switch_to+0x7b9/0x10c0
[ 30.429787][ C0] ? __pfx_kernel_init+0x10/0x10
[ 30.429804][ C0] ret_from_fork_asm+0x1a/0x30
[ 30.429822][ C0]
[ 30.989092][ T1] X25: Linux Version 0.2
[ 31.085844][ T1] NET: Registered PF_NETROM protocol family
[ 31.254627][ T1] NET: Registered PF_ROSE protocol family
[ 31.261355][ T1] NET: Registered PF_AX25 protocol family
[ 31.267230][ T1] can: controller area network core
[ 31.272774][ T1] NET: Registered PF_CAN protocol family
[ 31.278445][ T1] can: raw protocol
[ 31.282396][ T1] can: broadcast manager protocol
[ 31.287530][ T1] can: netlink gateway - max_hops=1
[ 31.292912][ T1] can: SAE J1939
[ 31.296534][ T1] can: isotp protocol (max_pdu_size 8300)
[ 31.303139][ T1] Bluetooth: RFCOMM TTY layer initialized
[ 31.309002][ T1] Bluetooth: RFCOMM socket layer initialized
[ 31.318644][ T1] Bluetooth: RFCOMM ver 1.11
[ 31.323293][ T1] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 31.329632][ T1] Bluetooth: BNEP filters: protocol multicast
[ 31.335776][ T1] Bluetooth: BNEP socket layer initialized
[ 31.341626][ T1] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[ 31.348533][ T1] Bluetooth: HIDP socket layer initialized
[ 31.357723][ T1] NET: Registered PF_RXRPC protocol family
[ 31.363517][ T1] Key type rxrpc registered
[ 31.368034][ T1] Key type rxrpc_s registered
[ 31.373372][ T1] NET: Registered PF_KCM protocol family
[ 31.380488][ T1] lec:lane_module_init: lec.c: initialized
[ 31.386339][ T1] mpoa:atm_mpoa_init: mpc.c: initialized
[ 31.392120][ T1] l2tp_core: L2TP core driver, V2.0
[ 31.397483][ T1] l2tp_ppp: PPPoL2TP kernel driver, V2.0
[ 31.403102][ T1] l2tp_ip: L2TP IP encapsulation support (L2TPv3)
[ 31.409693][ T1] l2tp_netlink: L2TP netlink interface
[ 31.415308][ T1] l2tp_eth: L2TP ethernet pseudowire support (L2TPv3)
[ 31.422035][ T1] l2tp_ip6: L2TP IP encapsulation support for IPv6 (L2TPv3)
[ 31.429651][ T1] NET: Registered PF_PHONET protocol family
[ 31.435777][ T1] 8021q: 802.1Q VLAN Support v1.8
[ 31.441116][ T1] sctp: Hash tables configured (bind 32/56)
[ 31.447198][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 31.456880][ T1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 31.456986][ T1] preempt_count: 201, expected: 0
[ 31.456986][ T1] RCU nest depth: 2, expected: 0
[ 31.456986][ T1] 3 locks held by swapper/0/1:
[ 31.456986][ T1] #0: ffffffff903da9f0 (pernet_ops_rwsem){+.+.}-{4:4}, at: register_pernet_subsys+0x19/0x40
[ 31.456986][ T1] #1: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: sctp_defaults_init+0x7fa/0xd90
[ 31.456986][ T1] #2: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: sctp_v6_copy_addrlist+0x37/0x640
[ 31.456986][ T1] irq event stamp: 742232
[ 31.456986][ T1] hardirqs last enabled at (742231): [] _raw_spin_unlock_irqrestore+0x52/0x80
[ 31.456986][ T1] hardirqs last disabled at (742230): [] _raw_spin_lock_irqsave+0x52/0x60
[ 31.456986][ T1] softirqs last enabled at (742184): [] __irq_exit_rcu+0xef/0x150
[ 31.456986][ T1] softirqs last disabled at (742232): [] sctp_v6_copy_addrlist+0xd9/0x640
[ 31.456986][ T1] Preemption disabled at:
[ 31.456986][ T1] [<0000000000000000>] 0x0
[ 31.456986][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 31.456986][ T1] Tainted: [W]=WARN
[ 31.456986][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 31.456986][ T1] Call Trace:
[ 31.456986][ T1]
[ 31.456986][ T1] dump_stack_lvl+0x100/0x190
[ 31.456986][ T1] __might_resched.cold+0x1ec/0x232
[ 31.456986][ T1] ? __pfx___might_resched+0x10/0x10
[ 31.456986][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 31.456986][ T1] arch_stack_walk+0xe0/0x130
[ 31.456986][ T1] ? ret_from_fork_asm+0x1a/0x30
[ 31.456986][ T1] stack_trace_save+0x8e/0xc0
[ 31.456986][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 31.456986][ T1] ? check_noncircular+0x97/0x160
[ 31.456986][ T1] save_trace+0x4e/0x360
[ 31.456986][ T1] __lock_acquire+0x1d42/0x2630
[ 31.456986][ T1] lock_acquire+0x17c/0x330
[ 31.456986][ T1] ? sctp_v6_copy_addrlist+0xd9/0x640
[ 31.456986][ T1] _raw_read_lock_bh+0x3f/0x70
[ 31.456986][ T1] ? sctp_v6_copy_addrlist+0xd9/0x640
[ 31.456986][ T1] sctp_v6_copy_addrlist+0xd9/0x640
[ 31.456986][ T1] ? lockdep_init_map_type+0x5c/0x250
[ 31.456986][ T1] sctp_defaults_init+0x8b5/0xd90
[ 31.456986][ T1] ? __pfx_sctp_defaults_init+0x10/0x10
[ 31.456986][ T1] ops_init+0x1e2/0x5f0
[ 31.456986][ T1] register_pernet_operations+0x3cb/0x740
[ 31.456986][ T1] ? __pfx_register_pernet_operations+0x10/0x10
[ 31.456986][ T1] ? register_net_sysctl_sz+0x222/0x430
[ 31.456986][ T1] ? __sanitizer_cov_trace_switch+0x54/0x90
[ 31.456986][ T1] register_pernet_subsys+0x28/0x40
[ 31.456986][ T1] sctp_init+0x537/0x7a0
[ 31.456986][ T1] ? __pfx_sctp_init+0x10/0x10
[ 31.456986][ T1] do_one_initcall+0x11d/0x690
[ 31.456986][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 31.456986][ T1] kernel_init_freeable+0x6e5/0x790
[ 31.456986][ T1] ? __pfx_kernel_init+0x10/0x10
[ 31.456986][ T1] kernel_init+0x1f/0x1e0
[ 31.456986][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 31.456986][ T1] ? __pfx_kernel_init+0x10/0x10
[ 31.456986][ T1] ret_from_fork+0x754/0xaf0
[ 31.456986][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 31.456986][ T1] ? __switch_to+0x7b9/0x10c0
[ 31.456986][ T1] ? __pfx_kernel_init+0x10/0x10
[ 31.456986][ T1] ret_from_fork_asm+0x1a/0x30
[ 31.456986][ T1]
[ 31.794305][ T1] NET: Registered PF_RDS protocol family
[ 31.801196][ T1] Registered RDS/infiniband transport
[ 31.807641][ T1] Registered RDS/tcp transport
[ 31.812519][ T1] tipc: Activated (version 2.0.0)
[ 31.818214][ T1] NET: Registered PF_TIPC protocol family
[ 31.824776][ T1] tipc: Started in single node mode
[ 31.831121][ T1] smc: adding smcd device lo without pnetid
[ 31.838038][ T1] NET: Registered PF_SMC protocol family
[ 31.843985][ T1] 9pnet: Installing 9P2000 support
[ 31.849961][ T1] NET: Registered PF_CAIF protocol family
[ 31.859131][ T1] NET: Registered PF_IEEE802154 protocol family
[ 31.865782][ T1] Key type dns_resolver registered
[ 31.870942][ T1] Key type ceph registered
[ 31.875916][ T1] libceph: loaded (mon/osd proto 15/24)
[ 31.882730][ T1] batman_adv: B.A.T.M.A.N. advanced 2025.5 (compatibility version 15) loaded
[ 31.891740][ T1] openvswitch: Open vSwitch switching datapath
[ 31.900398][ T1] NET: Registered PF_VSOCK protocol family
[ 31.906553][ T1] mpls_gso: MPLS GSO support
[ 31.932346][ T1] IPI shorthand broadcast: enabled
[ 32.444780][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 32.454575][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 32.463264][ C0] preempt_count: 100, expected: 0
[ 32.468288][ C0] RCU nest depth: 1, expected: 0
[ 32.473201][ C0] 3 locks held by swapper/0/1:
[ 32.477988][ C0] #0: ffff88801c2dd988 (&root->kernfs_rwsem){++++}-{4:4}, at: kernfs_remove_by_name_ns+0x3d/0xf0
[ 32.488790][ C0] #1: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x1ea0
[ 32.498462][ C0] #2: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 32.507336][ C0] Preemption disabled at:
[ 32.507343][ C0] [] handle_softirqs+0xf0/0x910
[ 32.518072][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 32.518092][ C0] Tainted: [W]=WARN
[ 32.518096][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 32.518104][ C0] Call Trace:
[ 32.518111][ C0]
[ 32.518116][ C0] dump_stack_lvl+0x100/0x190
[ 32.518136][ C0] __might_resched.cold+0x1ec/0x232
[ 32.518157][ C0] ? __pfx___might_resched+0x10/0x10
[ 32.518179][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.518198][ C0] arch_stack_walk+0xe0/0x130
[ 32.518217][ C0] ? stack_trace_save+0x8e/0xc0
[ 32.518236][ C0] stack_trace_save+0x8e/0xc0
[ 32.518253][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 32.518271][ C0] ? __lock_acquire+0x4a5/0x2630
[ 32.518284][ C0] ? __update_load_avg_se+0x5c7/0xe80
[ 32.518303][ C0] kasan_save_stack+0x30/0x50
[ 32.518339][ C0] kasan_save_track+0x14/0x30
[ 32.518353][ C0] kasan_save_free_info+0x3b/0x70
[ 32.518364][ C0] __kasan_slab_free+0x5f/0x80
[ 32.518379][ C0] kmem_cache_free+0x143/0x720
[ 32.518392][ C0] ? rcu_core+0x7c0/0x15c0
[ 32.518408][ C0] ? rcu_core+0x7bb/0x15c0
[ 32.518421][ C0] ? rcu_core+0x7c0/0x15c0
[ 32.518434][ C0] rcu_core+0x7c0/0x15c0
[ 32.518451][ C0] ? __pfx_rcu_core+0x10/0x10
[ 32.518464][ C0] ? ktime_get+0x1a7/0x300
[ 32.518487][ C0] handle_softirqs+0x1ea/0x910
[ 32.518510][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 32.518530][ C0] __irq_exit_rcu+0xef/0x150
[ 32.518546][ C0] irq_exit_rcu+0x9/0x30
[ 32.518561][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 32.518575][ C0]
[ 32.518579][ C0]
[ 32.518583][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 32.518597][ C0] RIP: 0010:lock_acquire+0x5e/0x330
[ 32.518609][ C0] Code: 05 bb 32 01 12 83 f8 07 0f 87 a4 02 00 00 48 0f a3 05 46 2e d4 0e 0f 82 6f 02 00 00 8b 35 de 5e d4 0e 85 f6 0f 85 8a 00 00 00 <48> 8b 44 24 30 65 48 2b 05 5d 32 01 12 0f 85 b8 02 00 00 48 83 c4
[ 32.518622][ C0] RSP: 0000:ffffc900000676f0 EFLAGS: 00000206
[ 32.518632][ C0] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000001
[ 32.518640][ C0] RDX: 0000000000000000 RSI: ffffffff8dc1f521 RDI: ffffffff8bfa35a0
[ 32.518647][ C0] RBP: ffffffff8e5e32e0 R08: 00000000d2c917c0 R09: 0000000000000007
[ 32.518655][ C0] R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002
[ 32.518666][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 32.518681][ C0] ? unwind_next_frame+0x3be/0x1ea0
[ 32.518698][ C0] ? unwind_next_frame+0x3be/0x1ea0
[ 32.518717][ C0] unwind_next_frame+0xd1/0x1ea0
[ 32.518733][ C0] ? unwind_next_frame+0xbd/0x1ea0
[ 32.518748][ C0] ? kernel_init_freeable+0x6e5/0x790
[ 32.518761][ C0] ? kernel_text_address+0x35/0x100
[ 32.518776][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 32.518794][ C0] arch_stack_walk+0x95/0x130
[ 32.518811][ C0] ? kernel_init_freeable+0x6e5/0x790
[ 32.518825][ C0] stack_trace_save+0x8e/0xc0
[ 32.518841][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 32.518858][ C0] ? stack_depot_save_flags+0x27/0x9c0
[ 32.518876][ C0] ? __lock_acquire+0x4a5/0x2630
[ 32.518888][ C0] kasan_save_stack+0x30/0x50
[ 32.518901][ C0] ? kasan_save_stack+0x30/0x50
[ 32.518914][ C0] ? kasan_record_aux_stack+0xa7/0xc0
[ 32.518924][ C0] ? __call_rcu_common.constprop.0+0xa5/0x9b0
[ 32.518937][ C0] ? kernfs_put.part.0+0x162/0x610
[ 32.518948][ C0] ? kernfs_remove_by_name_ns+0xcd/0xf0
[ 32.518961][ C0] ? remove_files+0x96/0x1c0
[ 32.518977][ C0] ? sysfs_remove_group+0x8b/0x1b0
[ 32.518997][ C0] ? param_sysfs_builtin_init+0x2e7/0x3f0
[ 32.519014][ C0] ? do_one_initcall+0x11d/0x690
[ 32.519024][ C0] ? kernel_init_freeable+0x6e5/0x790
[ 32.519054][ C0] kasan_record_aux_stack+0xa7/0xc0
[ 32.519064][ C0] ? __pfx_kernfs_free_rcu+0x10/0x10
[ 32.519082][ C0] __call_rcu_common.constprop.0+0xa5/0x9b0
[ 32.519098][ C0] kernfs_put.part.0+0x162/0x610
[ 32.519112][ C0] kernfs_remove_by_name_ns+0xcd/0xf0
[ 32.519132][ C0] remove_files+0x96/0x1c0
[ 32.519151][ C0] sysfs_remove_group+0x8b/0x1b0
[ 32.519168][ C0] ? lookup_or_create_module_kobject+0x2e/0x1a0
[ 32.519187][ C0] param_sysfs_builtin_init+0x2e7/0x3f0
[ 32.519206][ C0] ? __pfx_param_sysfs_builtin_init+0x10/0x10
[ 32.519223][ C0] ? lockdep_hardirqs_on+0x78/0x100
[ 32.519237][ C0] ? __pfx_add_device_randomness+0x10/0x10
[ 32.519258][ C0] ? __pfx_param_sysfs_builtin_init+0x10/0x10
[ 32.519276][ C0] do_one_initcall+0x11d/0x690
[ 32.519287][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 32.519313][ C0] kernel_init_freeable+0x6e5/0x790
[ 32.519326][ C0] ? __pfx_kernel_init+0x10/0x10
[ 32.519342][ C0] kernel_init+0x1f/0x1e0
[ 32.519357][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 32.519367][ C0] ? __pfx_kernel_init+0x10/0x10
[ 32.519382][ C0] ret_from_fork+0x754/0xaf0
[ 32.519397][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 32.519412][ C0] ? __switch_to+0x7b9/0x10c0
[ 32.519428][ C0] ? __pfx_kernel_init+0x10/0x10
[ 32.519444][ C0] ret_from_fork_asm+0x1a/0x30
[ 32.519463][ C0]
[ 33.366425][ T1] sched_clock: Marking stable (33340016701, 24718674)->(33588974749, -224239374)
[ 33.379791][ T1] registered taskstats version 1
[ 33.404558][ T1] Loading compiled-in X.509 certificates
[ 33.444818][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 33.454566][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4888, name: kworker/u8:14
[ 33.464165][ C1] preempt_count: 100, expected: 0
[ 33.469237][ C1] RCU nest depth: 0, expected: 0
[ 33.474191][ C1] 1 lock held by kworker/u8:14/4888:
[ 33.479515][ C1] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 33.488474][ C1] Preemption disabled at:
[ 33.488487][ C1] [] handle_softirqs+0xf0/0x910
[ 33.499287][ C1] CPU: 1 UID: 0 PID: 4888 Comm: kworker/u8:14 Tainted: G W syzkaller #0 PREEMPT(full)
[ 33.499325][ C1] Tainted: [W]=WARN
[ 33.499333][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 33.499347][ C1] Call Trace:
[ 33.499355][ C1]
[ 33.499364][ C1] dump_stack_lvl+0x100/0x190
[ 33.499400][ C1] __might_resched.cold+0x1ec/0x232
[ 33.499431][ C1] ? __pfx___might_resched+0x10/0x10
[ 33.499465][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 33.499500][ C1] arch_stack_walk+0xe0/0x130
[ 33.499534][ C1] ? ktime_get+0x149/0x300
[ 33.499572][ C1] stack_trace_save+0x8e/0xc0
[ 33.499604][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 33.499640][ C1] ? __lock_acquire+0x4a5/0x2630
[ 33.499661][ C1] ? find_held_lock+0x2b/0x80
[ 33.499698][ C1] kasan_save_stack+0x30/0x50
[ 33.499724][ C1] ? kasan_save_stack+0x30/0x50
[ 33.499748][ C1] ? kasan_save_track+0x14/0x30
[ 33.499772][ C1] ? kasan_save_free_info+0x3b/0x70
[ 33.499793][ C1] ? __kasan_slab_free+0x5f/0x80
[ 33.499818][ C1] ? kfree+0x1c7/0x690
[ 33.499837][ C1] ? security_cred_free+0xc8/0x1e0
[ 33.499863][ C1] ? put_cred_rcu+0x6a/0x580
[ 33.499889][ C1] ? rcu_core+0x7c0/0x15c0
[ 33.499913][ C1] ? handle_softirqs+0x1ea/0x910
[ 33.499942][ C1] ? __irq_exit_rcu+0xef/0x150
[ 33.499970][ C1] ? irq_exit_rcu+0x9/0x30
[ 33.499999][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 33.500022][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 33.500047][ C1] ? __sanitizer_cov_trace_pc+0xb/0x70
[ 33.500078][ C1] ? ktime_get+0x149/0x300
[ 33.500145][ C1] kasan_save_track+0x14/0x30
[ 33.500172][ C1] kasan_save_free_info+0x3b/0x70
[ 33.500193][ C1] __kasan_slab_free+0x5f/0x80
[ 33.500221][ C1] kfree+0x1c7/0x690
[ 33.500242][ C1] ? security_cred_free+0xc8/0x1e0
[ 33.500272][ C1] ? rcu_core+0x7bb/0x15c0
[ 33.500296][ C1] ? security_cred_free+0xc8/0x1e0
[ 33.500321][ C1] ? hook_cred_free+0xcf/0x100
[ 33.500347][ C1] security_cred_free+0xc8/0x1e0
[ 33.500374][ C1] put_cred_rcu+0x6a/0x580
[ 33.500402][ C1] ? rcu_core+0x7bb/0x15c0
[ 33.500424][ C1] rcu_core+0x7c0/0x15c0
[ 33.500458][ C1] ? __pfx_rcu_core+0x10/0x10
[ 33.500485][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 33.500507][ C1] ? run_timer_base+0x121/0x190
[ 33.500528][ C1] ? __pfx_run_timer_base+0x10/0x10
[ 33.500553][ C1] handle_softirqs+0x1ea/0x910
[ 33.500588][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 33.500626][ C1] __irq_exit_rcu+0xef/0x150
[ 33.500656][ C1] irq_exit_rcu+0x9/0x30
[ 33.500691][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 33.500714][ C1]
[ 33.500722][ C1]
[ 33.500730][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 33.500755][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70
[ 33.500789][ C1] Code: 5e 00 be 03 00 00 00 5b e9 12 6b e0 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 c5 54 dd 11 <48> 8b 34 24 65 48 8b 15 a1 54 dd 11 a9 00 01 ff 00 74 1b f6 c4 01
[ 33.500811][ C1] RSP: 0000:ffffc900107afd38 EFLAGS: 00000206
[ 33.500830][ C1] RAX: 0000000080000000 RBX: 0000000002aba555 RCX: ffffffff81f3dc2b
[ 33.500845][ C1] RDX: 00000285d3845d96 RSI: 0000000002aba555 RDI: ffff8880370ba4c0
[ 33.500860][ C1] RBP: 000000000000164a R08: 0000000000000006 R09: 0000000002aba555
[ 33.500874][ C1] R10: 00000285d3845d96 R11: 0000000000000000 R12: 00000007ad05c45b
[ 33.500889][ C1] R13: dffffc0000000000 R14: ffffffffffffffff R15: 00000285d3845d96
[ 33.500911][ C1] ? ktime_get+0x13b/0x300
[ 33.500947][ C1] ? read_tsc+0x9/0x20
[ 33.500979][ C1] ktime_get+0x149/0x300
[ 33.501010][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 33.501037][ C1] async_synchronize_cookie_domain+0x8d/0x2e0
[ 33.501071][ C1] ? __pfx_async_synchronize_cookie_domain+0x10/0x10
[ 33.501108][ C1] ? __put_cred+0x111/0x180
[ 33.501134][ C1] ? commit_creds+0x755/0x10e0
[ 33.501172][ C1] wait_for_initramfs+0x5d/0x90
[ 33.501194][ C1] call_usermodehelper_exec_async+0x1cb/0x4b0
[ 33.501225][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 33.501248][ C1] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 33.501277][ C1] ret_from_fork+0x754/0xaf0
[ 33.501305][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 33.501333][ C1] ? __switch_to+0x7b9/0x10c0
[ 33.501364][ C1] ? __pfx_call_usermodehelper_exec_async+0x10/0x10
[ 33.501399][ C1] ret_from_fork_asm+0x1a/0x30
[ 33.501436][ C1]
[ 33.996025][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 9389d0b33de0bb01f02ce4e20b5b13a0de1e3c28'
[ 34.335986][ T1] zswap: loaded using pool 842
[ 34.343315][ T1] Demotion targets for Node 0: null
[ 34.348813][ T1] Demotion targets for Node 1: null
[ 34.354158][ T1] debug_vm_pgtable: [debug_vm_pgtable ]: Validating architecture page table helpers
[ 34.465232][ C0] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 34.475001][ C0] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 34.483663][ C0] preempt_count: 100, expected: 0
[ 34.488703][ C0] RCU nest depth: 0, expected: 0
[ 34.493657][ C0] 1 lock held by swapper/0/1:
[ 34.498352][ C0] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 34.507248][ C0] Preemption disabled at:
[ 34.507255][ C0] [] handle_softirqs+0xf0/0x910
[ 34.517987][ C0] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 34.518007][ C0] Tainted: [W]=WARN
[ 34.518011][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 34.518019][ C0] Call Trace:
[ 34.518025][ C0]
[ 34.518032][ C0] dump_stack_lvl+0x100/0x190
[ 34.518052][ C0] __might_resched.cold+0x1ec/0x232
[ 34.518068][ C0] ? __pfx___might_resched+0x10/0x10
[ 34.518086][ C0] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 34.518105][ C0] arch_stack_walk+0xe0/0x130
[ 34.518124][ C0] ? post_alloc_hook+0x119/0x250
[ 34.518139][ C0] stack_trace_save+0x8e/0xc0
[ 34.518156][ C0] ? __pfx_stack_trace_save+0x10/0x10
[ 34.518174][ C0] ? __lock_acquire+0x4a5/0x2630
[ 34.518188][ C0] kasan_save_stack+0x30/0x50
[ 34.518202][ C0] ? kasan_save_stack+0x30/0x50
[ 34.518214][ C0] ? kasan_save_track+0x14/0x30
[ 34.518227][ C0] ? kasan_save_free_info+0x3b/0x70
[ 34.518237][ C0] ? __kasan_slab_free+0x5f/0x80
[ 34.518251][ C0] ? kfree+0x1c7/0x690
[ 34.518260][ C0] ? security_task_free+0x9d/0x1a0
[ 34.518274][ C0] ? __put_task_struct+0x125/0x3c0
[ 34.518290][ C0] ? rcu_core+0x7c0/0x15c0
[ 34.518303][ C0] ? handle_softirqs+0x1ea/0x910
[ 34.518318][ C0] ? __irq_exit_rcu+0xef/0x150
[ 34.518333][ C0] ? irq_exit_rcu+0x9/0x30
[ 34.518349][ C0] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 34.518361][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 34.518374][ C0] ? clear_page_erms+0xb/0x20
[ 34.518388][ C0] ? post_alloc_hook+0x119/0x250
[ 34.518417][ C0] kasan_save_track+0x14/0x30
[ 34.518430][ C0] kasan_save_free_info+0x3b/0x70
[ 34.518441][ C0] __kasan_slab_free+0x5f/0x80
[ 34.518457][ C0] kfree+0x1c7/0x690
[ 34.518467][ C0] ? security_task_free+0x9d/0x1a0
[ 34.518483][ C0] ? rcu_core+0x7bb/0x15c0
[ 34.518501][ C0] ? security_task_free+0x9d/0x1a0
[ 34.518516][ C0] security_task_free+0x9d/0x1a0
[ 34.518530][ C0] __put_task_struct+0x125/0x3c0
[ 34.518547][ C0] rcu_core+0x7c0/0x15c0
[ 34.518565][ C0] ? __pfx_rcu_core+0x10/0x10
[ 34.518578][ C0] ? ktime_get+0x1a7/0x300
[ 34.518601][ C0] handle_softirqs+0x1ea/0x910
[ 34.518620][ C0] ? __pfx_handle_softirqs+0x10/0x10
[ 34.518643][ C0] __irq_exit_rcu+0xef/0x150
[ 34.518659][ C0] irq_exit_rcu+0x9/0x30
[ 34.518674][ C0] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 34.518687][ C0]
[ 34.518691][ C0]
[ 34.518695][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 34.518709][ C0] RIP: 0010:clear_page_erms+0xb/0x20
[ 34.518724][ C0] Code: 48 8d 7f 40 75 d9 90 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa b9 00 10 00 00 31 c0 aa e9 fe 8a 04 00 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90
[ 34.518736][ C0] RSP: 0000:ffffc900000677d0 EFLAGS: 00010246
[ 34.518747][ C0] RAX: 0000000000000000 RBX: ffff88804be00000 RCX: 0000000000001000
[ 34.518755][ C0] RDX: fffffbfff1bdd0ae RSI: fffffbfff1bdd0ac RDI: ffff88804be00000
[ 34.518763][ C0] RBP: ffffea00012f8000 R08: 0000000000000001 R09: 0000000000000000
[ 34.518770][ C0] R10: ffffed10097c0000 R11: 0000000000000000 R12: 0000000000000cc0
[ 34.518777][ C0] R13: ffffea00012f8000 R14: 0000000000000009 R15: ffffea0001300000
[ 34.518792][ C0] post_alloc_hook+0x119/0x250
[ 34.518804][ C0] ? split_page_memcg+0x1e/0x1b0
[ 34.518821][ C0] alloc_contig_range_noprof+0x85a/0x1090
[ 34.518837][ C0] ? __pfx_alloc_contig_range_noprof+0x10/0x10
[ 34.518849][ C0] ? __schedule+0xff6/0x5e10
[ 34.518875][ C0] ? preempt_schedule_common+0x42/0xc0
[ 34.518887][ C0] ? preempt_schedule_thunk+0x16/0x30
[ 34.518904][ C0] alloc_contig_pages_noprof+0x34a/0x6f0
[ 34.518924][ C0] ? rcu_read_unlock_sched+0xcd/0xe0
[ 34.518944][ C0] debug_vm_pgtable+0xc08/0x34b0
[ 34.518959][ C0] ? __pfx_debug_vm_pgtable+0x10/0x10
[ 34.518986][ C0] ? add_device_randomness+0xb7/0xf0
[ 34.519004][ C0] ? __pfx_add_device_randomness+0x10/0x10
[ 34.519022][ C0] ? debugfs_create_file_full+0x41/0x60
[ 34.519044][ C0] ? __pfx_debug_vm_pgtable+0x10/0x10
[ 34.519056][ C0] do_one_initcall+0x11d/0x690
[ 34.519067][ C0] ? __pfx_do_one_initcall+0x10/0x10
[ 34.519093][ C0] kernel_init_freeable+0x6e5/0x790
[ 34.519107][ C0] ? __pfx_kernel_init+0x10/0x10
[ 34.519123][ C0] kernel_init+0x1f/0x1e0
[ 34.519138][ C0] ? _raw_spin_unlock_irq+0x2e/0x50
[ 34.519149][ C0] ? __pfx_kernel_init+0x10/0x10
[ 34.519163][ C0] ret_from_fork+0x754/0xaf0
[ 34.519178][ C0] ? __pfx_ret_from_fork+0x10/0x10
[ 34.519193][ C0] ? __switch_to+0x7b9/0x10c0
[ 34.519210][ C0] ? __pfx_kernel_init+0x10/0x10
[ 34.519226][ C0] ret_from_fork_asm+0x1a/0x30
[ 34.519245][ C0]
[ 35.954836][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 35.964549][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 35.973317][ C1] preempt_count: 100, expected: 0
[ 35.978308][ C1] RCU nest depth: 1, expected: 0
[ 35.983235][ C1] 1 lock held by swapper/0/1:
[ 35.987887][ C1] #0: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0xbd/0x1ea0
[ 35.997529][ C1] irq event stamp: 1122437
[ 36.001917][ C1] hardirqs last enabled at (1122436): [] handle_softirqs+0x1a7/0x910
[ 36.011611][ C1] hardirqs last disabled at (1122437): [] _raw_spin_lock_irq+0x45/0x50
[ 36.021402][ C1] softirqs last enabled at (1115020): [] __irq_exit_rcu+0xef/0x150
[ 36.030926][ C1] softirqs last disabled at (1122435): [] __irq_exit_rcu+0xef/0x150
[ 36.040448][ C1] Preemption disabled at:
[ 36.040453][ C1] [] handle_softirqs+0xf0/0x910
[ 36.051134][ C1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 36.051153][ C1] Tainted: [W]=WARN
[ 36.051157][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 36.051165][ C1] Call Trace:
[ 36.051171][ C1]
[ 36.051177][ C1] dump_stack_lvl+0x100/0x190
[ 36.051195][ C1] __might_resched.cold+0x1ec/0x232
[ 36.051212][ C1] ? __pfx___might_resched+0x10/0x10
[ 36.051227][ C1] ? find_held_lock+0x2b/0x80
[ 36.051243][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 36.051261][ C1] arch_stack_walk+0xe0/0x130
[ 36.051279][ C1] ? unwind_next_frame+0xd1/0x1ea0
[ 36.051297][ C1] stack_trace_save+0x8e/0xc0
[ 36.051313][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 36.051330][ C1] ? __lock_acquire+0x4a5/0x2630
[ 36.051343][ C1] save_trace+0x4e/0x360
[ 36.051361][ C1] mark_lock+0x1cf/0xa20
[ 36.051375][ C1] ? look_up_lock_class+0x55/0x120
[ 36.051388][ C1] ? lockdep_unlock+0x5a/0xc0
[ 36.051403][ C1] ? register_lock_class+0x187/0x560
[ 36.051417][ C1] __lock_acquire+0x103a/0x2630
[ 36.051429][ C1] ? __lock_acquire+0x4a5/0x2630
[ 36.051442][ C1] lock_acquire+0x17c/0x330
[ 36.051453][ C1] ? call_timer_fn+0x11f/0x590
[ 36.051471][ C1] ? do_raw_spin_unlock+0x145/0x1e0
[ 36.051486][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 36.051501][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 36.051516][ C1] call_timer_fn+0x125/0x590
[ 36.051532][ C1] ? call_timer_fn+0x11f/0x590
[ 36.051552][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 36.051569][ C1] ? find_held_lock+0x2b/0x80
[ 36.051585][ C1] ? __run_timers+0x560/0xac0
[ 36.051594][ C1] ? __run_timers+0x560/0xac0
[ 36.051606][ C1] ? __pfx_delayed_work_timer_fn+0x10/0x10
[ 36.051620][ C1] __run_timers+0x570/0xac0
[ 36.051633][ C1] ? __pfx___run_timers+0x10/0x10
[ 36.051649][ C1] run_timer_base+0x114/0x190
[ 36.051660][ C1] ? __pfx_run_timer_base+0x10/0x10
[ 36.051672][ C1] run_timer_softirq+0x1a/0x50
[ 36.051682][ C1] handle_softirqs+0x1ea/0x910
[ 36.051700][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 36.051718][ C1] __irq_exit_rcu+0xef/0x150
[ 36.051734][ C1] irq_exit_rcu+0x9/0x30
[ 36.051749][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 36.051762][ C1]
[ 36.051765][ C1]
[ 36.051769][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 36.051783][ C1] RIP: 0010:lock_acquire+0x5e/0x330
[ 36.051795][ C1] Code: 05 bb 32 01 12 83 f8 07 0f 87 a4 02 00 00 48 0f a3 05 46 2e d4 0e 0f 82 6f 02 00 00 8b 35 de 5e d4 0e 85 f6 0f 85 8a 00 00 00 <48> 8b 44 24 30 65 48 2b 05 5d 32 01 12 0f 85 b8 02 00 00 48 83 c4
[ 36.051807][ C1] RSP: 0000:ffffc90000067678 EFLAGS: 00000206
[ 36.051818][ C1] RAX: 0000000000000046 RBX: 0000000000000000 RCX: 0000000000000000
[ 36.051825][ C1] RDX: 0000000000000000 RSI: ffffffff8dc1f521 RDI: ffffffff8bfa35a0
[ 36.051833][ C1] RBP: ffffffff8e5e32e0 R08: 0000000086db7919 R09: 0000000000000007
[ 36.051840][ C1] R10: 0000000000000200 R11: 0000000000000000 R12: 0000000000000002
[ 36.051847][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 36.051862][ C1] unwind_next_frame+0xd1/0x1ea0
[ 36.051878][ C1] ? unwind_next_frame+0xbd/0x1ea0
[ 36.051894][ C1] ? __unwind_start+0x2fb/0x7f0
[ 36.051909][ C1] ? get_stack_info_noinstr+0x18/0x130
[ 36.051927][ C1] __unwind_start+0x3d1/0x7f0
[ 36.051943][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 36.051961][ C1] arch_stack_walk+0x77/0x130
[ 36.051978][ C1] ? __unwind_start+0x2fb/0x7f0
[ 36.051995][ C1] stack_trace_save+0x8e/0xc0
[ 36.052011][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 36.052028][ C1] ? __lock_acquire+0x4a5/0x2630
[ 36.052040][ C1] save_stack+0x162/0x1e0
[ 36.052054][ C1] ? __pfx_save_stack+0x10/0x10
[ 36.052069][ C1] ? page_ext_put+0x3e/0xd0
[ 36.052083][ C1] __reset_page_owner+0x84/0x190
[ 36.052098][ C1] __free_frozen_pages+0x822/0x1130
[ 36.052119][ C1] free_contig_range+0x1a3/0x520
[ 36.052131][ C1] destroy_args+0xa8/0x7a0
[ 36.052145][ C1] debug_vm_pgtable+0x1b66/0x34b0
[ 36.052157][ C1] ? __pfx_debug_vm_pgtable+0x10/0x10
[ 36.052180][ C1] ? add_device_randomness+0xb7/0xf0
[ 36.052198][ C1] ? __pfx_add_device_randomness+0x10/0x10
[ 36.052215][ C1] ? debugfs_create_file_full+0x41/0x60
[ 36.052233][ C1] ? __pfx_debug_vm_pgtable+0x10/0x10
[ 36.052245][ C1] do_one_initcall+0x11d/0x690
[ 36.052256][ C1] ? __pfx_do_one_initcall+0x10/0x10
[ 36.052279][ C1] kernel_init_freeable+0x6e5/0x790
[ 36.052291][ C1] ? __pfx_kernel_init+0x10/0x10
[ 36.052307][ C1] kernel_init+0x1f/0x1e0
[ 36.052322][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 36.052333][ C1] ? __pfx_kernel_init+0x10/0x10
[ 36.052347][ C1] ret_from_fork+0x754/0xaf0
[ 36.052362][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 36.052380][ C1] ? __switch_to+0x7b9/0x10c0
[ 36.052396][ C1] ? __pfx_kernel_init+0x10/0x10
[ 36.052412][ C1] ret_from_fork_asm+0x1a/0x30
[ 36.052428][ C1]
[ 37.284961][ T1] Key type .fscrypt registered
[ 37.289730][ T1] Key type fscrypt-provisioning registered
[ 37.295798][ T1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 37.305668][ T1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0
[ 37.314329][ T1] preempt_count: 2, expected: 0
[ 37.319194][ T1] RCU nest depth: 0, expected: 0
[ 37.324118][ T1] 3 locks held by swapper/0/1:
[ 37.328903][ T1] #0: ffffffff8e76f5e8 (slab_mutex){+.+.}-{4:4}, at: __kmem_cache_create_args+0x34/0x300
[ 37.338885][ T1] #1: ffff8880b84398c0 (lock){+.+.}-{3:3}, at: __radix_tree_preload+0x7c/0x820
[ 37.348074][ T1] #2: ffff88801c2dd880 (&root->kernfs_idr_lock){+.+.}-{3:3}, at: __kernfs_new_node+0xf9/0x960
[ 37.358506][ T1] Preemption disabled at:
[ 37.358515][ T1] [] __radix_tree_preload+0x2c/0x820
[ 37.369725][ T1] CPU: 0 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 37.369750][ T1] Tainted: [W]=WARN
[ 37.369755][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 37.369766][ T1] Call Trace:
[ 37.369775][ T1]
[ 37.369783][ T1] dump_stack_lvl+0x100/0x190
[ 37.369809][ T1] __might_resched.cold+0x1ec/0x232
[ 37.369842][ T1] ? __pfx___might_resched+0x10/0x10
[ 37.369859][ T1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 37.369875][ T1] arch_stack_walk+0xe0/0x130
[ 37.369892][ T1] ? do_kmem_cache_create+0x5c0/0x690
[ 37.369910][ T1] stack_trace_save+0x8e/0xc0
[ 37.369925][ T1] ? __pfx_stack_trace_save+0x10/0x10
[ 37.369944][ T1] kasan_save_stack+0x30/0x50
[ 37.369957][ T1] ? kasan_save_stack+0x30/0x50
[ 37.369968][ T1] ? kasan_save_track+0x14/0x30
[ 37.369980][ T1] ? __kasan_slab_alloc+0x89/0x90
[ 37.369992][ T1] ? kmem_cache_alloc_noprof+0x2ad/0x780
[ 37.370005][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 37.370021][ T1] ? idr_get_free+0x52e/0xa00
[ 37.370029][ T1] ? idr_alloc_u32+0x1ac/0x320
[ 37.370041][ T1] ? idr_alloc_cyclic+0x10b/0x230
[ 37.370052][ T1] ? __kernfs_new_node+0x11a/0x960
[ 37.370067][ T1] ? kernfs_new_node+0x11b/0x1a0
[ 37.370077][ T1] ? __kernfs_create_file+0x53/0x350
[ 37.370089][ T1] ? sysfs_add_file_mode_ns+0x207/0x3c0
[ 37.370103][ T1] ? internal_create_group+0x593/0xf40
[ 37.370118][ T1] ? sysfs_slab_add+0x1aa/0x1f0
[ 37.370129][ T1] ? do_kmem_cache_create+0x5c0/0x690
[ 37.370161][ T1] kasan_save_track+0x14/0x30
[ 37.370173][ T1] __kasan_slab_alloc+0x89/0x90
[ 37.370190][ T1] kmem_cache_alloc_noprof+0x2ad/0x780
[ 37.370204][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 37.370223][ T1] ? radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 37.370239][ T1] radix_tree_node_alloc.constprop.0+0x1d2/0x340
[ 37.370257][ T1] idr_get_free+0x52e/0xa00
[ 37.370272][ T1] idr_alloc_u32+0x1ac/0x320
[ 37.370285][ T1] ? __pfx_idr_alloc_u32+0x10/0x10
[ 37.370297][ T1] ? lock_acquire+0x17c/0x330
[ 37.370311][ T1] idr_alloc_cyclic+0x10b/0x230
[ 37.370322][ T1] ? __pfx_idr_alloc_cyclic+0x10/0x10
[ 37.370333][ T1] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 37.370349][ T1] __kernfs_new_node+0x11a/0x960
[ 37.370367][ T1] ? __pfx___kernfs_new_node+0x10/0x10
[ 37.370387][ T1] ? find_held_lock+0x2b/0x80
[ 37.370400][ T1] ? kernfs_root+0xee/0x2a0
[ 37.370415][ T1] ? kernfs_root+0xee/0x2a0
[ 37.370434][ T1] kernfs_new_node+0x11b/0x1a0
[ 37.370448][ T1] __kernfs_create_file+0x53/0x350
[ 37.370463][ T1] sysfs_add_file_mode_ns+0x207/0x3c0
[ 37.370482][ T1] internal_create_group+0x593/0xf40
[ 37.370502][ T1] ? __pfx_internal_create_group+0x10/0x10
[ 37.370525][ T1] sysfs_slab_add+0x1aa/0x1f0
[ 37.370542][ T1] do_kmem_cache_create+0x5c0/0x690
[ 37.370558][ T1] __kmem_cache_create_args+0x19c/0x300
[ 37.370571][ T1] ? __pfx_fsverity_init+0x10/0x10
[ 37.370582][ T1] fsverity_init_info_cache+0x59/0x80
[ 37.370595][ T1] fsverity_init+0x13/0x50
[ 37.370605][ T1] do_one_initcall+0x11d/0x690
[ 37.370615][ T1] ? __pfx_do_one_initcall+0x10/0x10
[ 37.370639][ T1] kernel_init_freeable+0x6e5/0x790
[ 37.370651][ T1] ? __pfx_kernel_init+0x10/0x10
[ 37.370666][ T1] kernel_init+0x1f/0x1e0
[ 37.370679][ T1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 37.370689][ T1] ? __pfx_kernel_init+0x10/0x10
[ 37.370702][ T1] ret_from_fork+0x754/0xaf0
[ 37.370716][ T1] ? __pfx_ret_from_fork+0x10/0x10
[ 37.370729][ T1] ? __switch_to+0x7b9/0x10c0
[ 37.370744][ T1] ? __pfx_kernel_init+0x10/0x10
[ 37.370759][ T1] ret_from_fork_asm+0x1a/0x30
[ 37.370777][ T1]
[ 37.373269][ T1] kAFS: Red Hat AFS client v0.1 registering.
[ 37.760043][ T1] Btrfs loaded, assert=on, zoned=yes, fsverity=yes
[ 37.766979][ T1] Key type big_key registered
[ 37.771675][ T1] Key type encrypted registered
[ 37.776628][ T1] ima: No TPM chip found, activating TPM-bypass!
[ 37.782967][ T1] Loading compiled-in module X.509 certificates
[ 37.792378][ T1] Loaded X.509 cert 'Build time autogenerated kernel key: 9389d0b33de0bb01f02ce4e20b5b13a0de1e3c28'
[ 37.803607][ T1] ima: Allocated hash algorithm: sha256
[ 37.809410][ T1] ima: No architecture policies found
[ 37.815197][ T1] evm: Initialising EVM extended attributes:
[ 37.821148][ T1] evm: security.selinux
[ 37.825284][ T1] evm: security.SMACK64 (disabled)
[ 37.830359][ T1] evm: security.SMACK64EXEC (disabled)
[ 37.835793][ T1] evm: security.SMACK64TRANSMUTE (disabled)
[ 37.841650][ T1] evm: security.SMACK64MMAP (disabled)
[ 37.847178][ T1] evm: security.apparmor (disabled)
[ 37.852339][ T1] evm: security.ima
[ 37.856144][ T1] evm: security.capability
[ 37.860540][ T1] evm: HMAC attrs: 0x1
[ 37.866580][ T1] PM: Magic number: 10:59:836
[ 37.871513][ T1] video4linux swradio15: hash matches
[ 37.877166][ T1] usb usb55-port7: hash matches
[ 37.881997][ T1] usb usb54-port8: hash matches
[ 37.887095][ T1] block loop20: hash matches
[ 37.891818][ T1] tty ptyu2: hash matches
[ 37.896427][ T1] netconsole: network logging started
[ 37.902315][ T1] gtp: GTP module loaded (pdp ctx size 128 bytes)
[ 37.913164][ T1] rdma_rxe: loaded
[ 37.918024][ T1] cfg80211: Loading compiled-in X.509 certificates for regulatory database
[ 37.927948][ T1] Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
[ 37.935776][ T1] Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600'
[ 37.944995][ T116] faux_driver regulatory: Direct firmware load for regulatory.db failed with error -2
[ 37.945360][ T1] clk: Disabling unused clocks
[ 37.954941][ T116] faux_driver regulatory: Falling back to sysfs fallback for: regulatory.db
[ 37.962507][ T1] ALSA device list:
[ 37.972348][ T1] #0: Dummy 1
[ 37.975845][ T1] #1: Loopback 1
[ 37.979557][ T1] #2: Virtual MIDI Card 1
[ 37.986940][ T1] check access for rdinit=/init failed: -2, ignoring
[ 37.993602][ T1] md: Waiting for all devices to be available before autodetect
[ 38.001916][ T1] md: If you don't use raid, use raid=noautodetect
[ 38.008449][ T1] md: Autodetecting RAID arrays.
[ 38.013436][ T1] md: autorun ...
[ 38.017100][ T1] md: ... autorun DONE.
[ 38.148436][ T1] EXT4-fs (sda1): orphan cleanup on readonly fs
[ 38.157044][ T1] EXT4-fs (sda1): mounted filesystem 4f91c6db-4997-4bb4-91b8-7e83a20c1bf1 ro with ordered data mode. Quota mode: none.
[ 38.169754][ T1] VFS: Mounted root (ext4 filesystem) readonly on device 8:1.
[ 38.179377][ T1] devtmpfs: mounted
[ 38.236478][ T1] Freeing unused kernel image (initmem) memory: 27468K
[ 38.243817][ T1] Write protecting the kernel read-only data: 215040k
[ 38.259052][ T1] Freeing unused kernel image (text/rodata gap) memory: 332K
[ 38.270305][ T1] Freeing unused kernel image (rodata/data gap) memory: 1224K
[ 38.304958][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 38.314672][ C1] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 1, name: swapper/0
[ 38.323314][ C1] preempt_count: 102, expected: 0
[ 38.328304][ C1] RCU nest depth: 1, expected: 0
[ 38.333207][ C1] 4 locks held by swapper/0/1:
[ 38.338034][ C1] #0: ffffffff8e7aafd0 (mem_hotplug_lock){++++}-{0:0}, at: ptdump_walk_pgd+0x49/0x330
[ 38.347678][ C1] #1: ffffffff8e7a8880 ((init_mm).mmap_lock){+.+.}-{4:4}, at: ptdump_walk_pgd+0x68/0x330
[ 38.357580][ C1] #2: ffffc90000a08a20 ((&rtpcp->lazy_timer)){+.-.}-{0:0}, at: call_timer_fn+0x11f/0x590
[ 38.367474][ C1] #3: ffffffff8e5e32e0 (rcu_read_lock){....}-{1:3}, at: rcuwait_wake_up+0x27/0x290
[ 38.376835][ C1] irq event stamp: 1441399
[ 38.381264][ C1] hardirqs last enabled at (1441398): [] _raw_spin_unlock_irqrestore+0x52/0x80
[ 38.391820][ C1] hardirqs last disabled at (1441399): [] _raw_spin_lock_irqsave+0x52/0x60
[ 38.401946][ C1] softirqs last enabled at (1441384): [] __irq_exit_rcu+0xef/0x150
[ 38.411461][ C1] softirqs last disabled at (1441387): [] __irq_exit_rcu+0xef/0x150
[ 38.420977][ C1] Preemption disabled at:
[ 38.420983][ C1] [] handle_softirqs+0xf0/0x910
[ 38.431663][ C1] CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Tainted: G W syzkaller #0 PREEMPT(full)
[ 38.431682][ C1] Tainted: [W]=WARN
[ 38.431686][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 38.431694][ C1] Call Trace:
[ 38.431701][ C1]
[ 38.431706][ C1] dump_stack_lvl+0x100/0x190
[ 38.431724][ C1] __might_resched.cold+0x1ec/0x232
[ 38.431739][ C1] ? __pfx___might_resched+0x10/0x10
[ 38.431755][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 38.431774][ C1] arch_stack_walk+0xe0/0x130
[ 38.431792][ C1] ? __irq_exit_rcu+0xef/0x150
[ 38.431809][ C1] stack_trace_save+0x8e/0xc0
[ 38.431826][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 38.431844][ C1] ? check_noncircular+0x97/0x160
[ 38.431862][ C1] save_trace+0x4e/0x360
[ 38.431879][ C1] __lock_acquire+0x1d42/0x2630
[ 38.431894][ C1] lock_acquire+0x17c/0x330
[ 38.431905][ C1] ? try_to_wake_up+0xb2/0x1a60
[ 38.431921][ C1] ? __lock_acquire+0x4a5/0x2630
[ 38.431934][ C1] _raw_spin_lock_irqsave+0x3a/0x60
[ 38.431953][ C1] ? try_to_wake_up+0xb2/0x1a60
[ 38.431968][ C1] try_to_wake_up+0xb2/0x1a60
[ 38.431984][ C1] ? lock_acquire+0x17c/0x330
[ 38.431995][ C1] ? __pfx_try_to_wake_up+0x10/0x10
[ 38.432010][ C1] ? mark_held_locks+0x40/0x70
[ 38.432022][ C1] ? __pfx_call_rcu_tasks_generic_timer+0x10/0x10
[ 38.432039][ C1] rcuwait_wake_up+0xac/0x290
[ 38.432051][ C1] call_timer_fn+0x19a/0x590
[ 38.432069][ C1] ? __pfx_call_timer_fn+0x10/0x10
[ 38.432088][ C1] ? __pfx_call_rcu_tasks_generic_timer+0x10/0x10
[ 38.432104][ C1] ? mark_held_locks+0x40/0x70
[ 38.432116][ C1] ? __pfx_call_rcu_tasks_generic_timer+0x10/0x10
[ 38.432131][ C1] __run_timers+0x757/0xac0
[ 38.432144][ C1] ? __pfx___run_timers+0x10/0x10
[ 38.432163][ C1] timer_expire_remote+0x102/0x170
[ 38.432177][ C1] ? __pfx_timer_expire_remote+0x10/0x10
[ 38.432190][ C1] ? _raw_spin_unlock_irq+0x23/0x50
[ 38.432200][ C1] ? lockdep_hardirqs_on+0x78/0x100
[ 38.432213][ C1] tmigr_handle_remote_up+0x523/0xa50
[ 38.432232][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 38.432250][ C1] ? find_held_lock+0x2b/0x80
[ 38.432267][ C1] __walk_groups_from+0x56/0x190
[ 38.432279][ C1] ? __pfx_tmigr_handle_remote_up+0x10/0x10
[ 38.432297][ C1] tmigr_handle_remote+0x2cb/0x380
[ 38.432313][ C1] ? __pfx_tmigr_handle_remote+0x10/0x10
[ 38.432331][ C1] ? run_timer_base+0x121/0x190
[ 38.432341][ C1] ? __pfx_run_timer_base+0x10/0x10
[ 38.432353][ C1] run_timer_softirq+0x3a/0x50
[ 38.432363][ C1] handle_softirqs+0x1ea/0x910
[ 38.432380][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 38.432398][ C1] __irq_exit_rcu+0xef/0x150
[ 38.432413][ C1] irq_exit_rcu+0x9/0x30
[ 38.432429][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 38.432441][ C1]
[ 38.432445][ C1]
[ 38.432449][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 38.432462][ C1] RIP: 0010:its_return_thunk+0x0/0x10
[ 38.432479][ C1] Code: cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 e9 ab c8 fb f5 cc
[ 38.432490][ C1] RSP: 0000:ffffc90000067870 EFLAGS: 00000293
[ 38.432500][ C1] RAX: 0000000000000000 RBX: ffffc90000067d00 RCX: ffffc90000067b78
[ 38.432508][ C1] RDX: ffff8881412a0000 RSI: ffffffff828276b4 RDI: ffffc90000067d98
[ 38.432516][ C1] RBP: 0000000000000000 R08: 0000000000000006 R09: ffffff0c297ff000
[ 38.432523][ C1] R10: ffffff0c297af000 R11: 00000000000075a9 R12: ffffff0c297b0000
[ 38.432531][ C1] R13: ffffffff81b9b0e0 R14: dffffc0000000000 R15: ffffffff8ba473c0
[ 38.432540][ C1] ? __pfx_effective_prot_pte+0x10/0x10
[ 38.432554][ C1] ? ptdump_pte_entry+0x94/0x100
[ 38.432574][ C1] ptdump_pte_entry+0x94/0x100
[ 38.432591][ C1] walk_pte_range_inner+0x258/0x360
[ 38.432608][ C1] ? __pfx_walk_pte_range_inner+0x10/0x10
[ 38.432622][ C1] ? ptdump_pmd_entry+0x286/0x430
[ 38.432641][ C1] walk_pgd_range+0xecb/0x1eb0
[ 38.432657][ C1] ? __pfx_ptdump_pte_entry+0x10/0x10
[ 38.432677][ C1] ? __pfx_walk_pgd_range+0x10/0x10
[ 38.432694][ C1] walk_page_range_debug+0x2fd/0x370
[ 38.432708][ C1] ? __pfx_walk_page_range_debug+0x10/0x10
[ 38.432726][ C1] ? __pfx_down_write+0x10/0x10
[ 38.432742][ C1] ptdump_walk_pgd+0x129/0x330
[ 38.432761][ C1] ptdump_walk_pgd_level_core+0x26c/0x300
[ 38.432776][ C1] ? __pfx_ptdump_walk_pgd_level_core+0x10/0x10
[ 38.432792][ C1] ? __pfx_note_page_pte+0x10/0x10
[ 38.432803][ C1] ? __pfx_note_page_pmd+0x10/0x10
[ 38.432815][ C1] ? __pfx_note_page_pud+0x10/0x10
[ 38.432826][ C1] ? __pfx_note_page_p4d+0x10/0x10
[ 38.432838][ C1] ? __pfx_note_page_pgd+0x10/0x10
[ 38.432849][ C1] ? __pfx_note_page_flush+0x10/0x10
[ 38.432861][ C1] ? __pfx_effective_prot_pte+0x10/0x10
[ 38.432873][ C1] ? __pfx_effective_prot_pmd+0x10/0x10
[ 38.432885][ C1] ? __pfx_effective_prot_pud+0x10/0x10
[ 38.432896][ C1] ? __pfx_effective_prot_p4d+0x10/0x10
[ 38.432908][ C1] ? __pfx_effective_prot_pgd+0x10/0x10
[ 38.432923][ C1] ? free_reserved_area.cold+0x18/0x1d
[ 38.432943][ C1] ? free_init_pages+0x9b/0xe0
[ 38.432955][ C1] ptdump_walk_pgd_level_checkwx+0x63/0x90
[ 38.432969][ C1] kernel_init+0x60/0x1e0
[ 38.432984][ C1] ? _raw_spin_unlock_irq+0x2e/0x50
[ 38.432994][ C1] ? __pfx_kernel_init+0x10/0x10
[ 38.433009][ C1] ret_from_fork+0x754/0xaf0
[ 38.433023][ C1] ? __pfx_ret_from_fork+0x10/0x10
[ 38.433037][ C1] ? __switch_to+0x7b9/0x10c0
[ 38.433053][ C1] ? __pfx_kernel_init+0x10/0x10
[ 38.433069][ C1] ret_from_fork_asm+0x1a/0x30
[ 38.433084][ C1]
[ 39.057319][ T1] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 39.069691][ T1] Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found
[ 39.079497][ T1] Run /sbin/init as init process
[ 39.304818][ C1] BUG: sleeping function called from invalid context at arch/x86/kernel/stacktrace.c:33
[ 39.314552][ C1] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 0, name: swapper/1
[ 39.323349][ C1] preempt_count: 101, expected: 0
[ 39.328407][ C1] RCU nest depth: 0, expected: 0
[ 39.333331][ C1] 1 lock held by swapper/1/0:
[ 39.338026][ C1] #0: ffffffff8e5e31c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x75f/0x15c0
[ 39.347144][ C1] Preemption disabled at:
[ 39.347155][ C1] [<0000000000000000>] 0x0
[ 39.355914][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Tainted: G W syzkaller #0 PREEMPT(full)
[ 39.355946][ C1] Tainted: [W]=WARN
[ 39.355953][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026
[ 39.355968][ C1] Call Trace:
[ 39.355975][ C1]
[ 39.355984][ C1] dump_stack_lvl+0x100/0x190
[ 39.356017][ C1] __might_resched.cold+0x1ec/0x232
[ 39.356048][ C1] ? __pfx___might_resched+0x10/0x10
[ 39.356078][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 39.356113][ C1] arch_stack_walk+0xe0/0x130
[ 39.356148][ C1] ? default_idle_call+0x6c/0xb0
[ 39.356181][ C1] stack_trace_save+0x8e/0xc0
[ 39.356213][ C1] ? __pfx_stack_trace_save+0x10/0x10
[ 39.356248][ C1] ? __lock_acquire+0x4a5/0x2630
[ 39.356273][ C1] kasan_save_stack+0x30/0x50
[ 39.356299][ C1] ? kasan_save_stack+0x30/0x50
[ 39.356323][ C1] ? kasan_save_track+0x14/0x30
[ 39.356352][ C1] ? kasan_save_free_info+0x3b/0x70
[ 39.356372][ C1] ? __kasan_slab_free+0x5f/0x80
[ 39.356398][ C1] ? kfree+0x1c7/0x690
[ 39.356418][ C1] ? slab_free_after_rcu_debug+0x55/0x1c0
[ 39.356441][ C1] ? rcu_core+0x7c0/0x15c0
[ 39.356466][ C1] ? handle_softirqs+0x1ea/0x910
[ 39.356497][ C1] ? __irq_exit_rcu+0xef/0x150
[ 39.356527][ C1] ? irq_exit_rcu+0x9/0x30
[ 39.356556][ C1] ? sysvec_apic_timer_interrupt+0xa3/0xc0
[ 39.356578][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 39.356603][ C1] ? pv_native_safe_halt+0xf/0x20
[ 39.356623][ C1] ? default_idle+0x9/0x10
[ 39.356646][ C1] ? default_idle_call+0x6c/0xb0
[ 39.356697][ C1] kasan_save_track+0x14/0x30
[ 39.356723][ C1] kasan_save_free_info+0x3b/0x70
[ 39.356744][ C1] __kasan_slab_free+0x5f/0x80
[ 39.356773][ C1] kfree+0x1c7/0x690
[ 39.356793][ C1] ? lock_acquire+0x17c/0x330
[ 39.356813][ C1] ? slab_free_after_rcu_debug+0x55/0x1c0
[ 39.356841][ C1] ? rcu_core+0x7bb/0x15c0
[ 39.356867][ C1] ? slab_free_after_rcu_debug+0x55/0x1c0
[ 39.356891][ C1] slab_free_after_rcu_debug+0x55/0x1c0
[ 39.356919][ C1] rcu_core+0x7c0/0x15c0
[ 39.356952][ C1] ? __pfx_rcu_core+0x10/0x10
[ 39.356990][ C1] handle_softirqs+0x1ea/0x910
[ 39.357026][ C1] ? __pfx_handle_softirqs+0x10/0x10
[ 39.357063][ C1] __irq_exit_rcu+0xef/0x150
[ 39.357092][ C1] irq_exit_rcu+0x9/0x30
[ 39.357121][ C1] sysvec_apic_timer_interrupt+0xa3/0xc0
[ 39.357145][ C1]
[ 39.357152][ C1]
[ 39.357160][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 39.357186][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x20
[ 39.357209][ C1] Code: 66 78 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 bc 14 00 fb f4 fc 31 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90
[ 39.357232][ C1] RSP: 0018:ffffc90000197df0 EFLAGS: 00000242
[ 39.357250][ C1] RAX: 000000000001ac97 RBX: ffff88801e2ba4c0 RCX: ffffffff8b76c4b5
[ 39.357266][ C1] RDX: 0000000000000000 RSI: ffffffff8dc4550c RDI: ffffffff8bfa35a0
[ 39.357281][ C1] RBP: 0000000000000001 R08: 0000000000000001 R09: ffffed10170a673d
[ 39.357295][ C1] R10: ffff8880b85339eb R11: 0000000000000000 R12: ffffed1003c57498
[ 39.357309][ C1] R13: 0000000000000001 R14: ffffffff90b74bd0 R15: 0000000000000000
[ 39.357331][ C1] ? ct_kernel_exit+0x125/0x180
[ 39.357366][ C1] default_idle+0x9/0x10
[ 39.357391][ C1] default_idle_call+0x6c/0xb0
[ 39.357419][ C1] do_idle+0x35b/0x4b0
[ 39.357450][ C1] ? __pfx_do_idle+0x10/0x10
[ 39.357488][ C1] cpu_startup_entry+0x4f/0x60
[ 39.357519][ C1] start_secondary+0x21d/0x2d0
[ 39.357543][ C1] ? __pfx_start_secondary+0x10/0x10
[ 39.357573][ C1] common_startup_64+0x13e/0x148
[ 39.357617][ C1]
[ 39.453068][ T1] SELinux: Permission firmware_load in class system not defined in policy.
[ 39.734776][ T1] SELinux: Permission kexec_image_load in class system not defined in policy.
[ 39.743703][ T1] SELinux: Permission kexec_initramfs_load in class system not defined in policy.
[ 39.753063][ T1] SELinux: Permission policy_load in class system not defined in policy.
[ 39.761564][ T1] SELinux: Permission x509_certificate_load in class system not defined in policy.
[ 39.770953][ T1] SELinux: Permission watch_mountns in class file not defined in policy.
[ 39.779447][ T1] SELinux: Permission watch_mountns in class dir not defined in policy.
[ 39.787870][ T1] SELinux: Permission watch_mountns in class lnk_file not defined in policy.
[ 39.796726][ T1] SELinux: Permission watch_mountns in class chr_file not defined in policy.
[ 39.805623][ T1] SELinux: Permission watch_mountns in class blk_file not defined in policy.
[ 39.814465][ T1] SELinux: Permission watch_mountns in class sock_file not defined in policy.
[ 39.823407][ T1] SELinux: Permission watch_mountns in class fifo_file not defined in policy.
[ 39.832407][ T1] SELinux: Permission nlmsg in class netlink_route_socket not defined in policy.
[ 39.841597][ T1] SELinux: Permission nlmsg in class netlink_tcpdiag_socket not defined in policy.
[ 39.851179][ T1] SELinux: Permission nlmsg in class netlink_xfrm_socket not defined in policy.
[ 39.860301][ T1] SELinux: Permission nlmsg in class netlink_audit_socket not defined in policy.
[ 39.869677][ T1] SELinux: Permission watch_mountns in class anon_inode not defined in policy.
[ 39.878686][ T1] SELinux: Permission allowed in class io_uring not defined in policy.
[ 39.887020][ T1] SELinux: Class memfd_file not defined in policy.
[ 39.893573][ T1] SELinux: the above unknown classes and permissions will be denied
[ 39.971428][ T1] SELinux: policy capability network_peer_controls=1
[ 39.978336][ T1] SELinux: policy capability open_perms=1
[ 39.984137][ T1] SELinux: policy capability extended_socket_class=1
[ 39.990945][ T1] SELinux: policy capability always_check_network=0
[ 39.997659][ T1] SELinux: policy capability cgroup_seclabel=1
[ 40.003875][ T1] SELinux: policy capability nnp_nosuid_transition=1
[ 40.010651][ T1] SELinux: policy capability genfs_seclabel_symlinks=0
[ 40.017589][ T1] SELinux: policy capability ioctl_skip_cloexec=0
[ 40.024073][ T1] SELinux: policy capability userspace_initial_context=0
[ 40.031201][ T1] SELinux: policy capability netlink_xperm=0
[ 40.037354][ T1] SELinux: policy capability netif_wildcard=0
[ 40.043494][ T1] SELinux: policy capability genfs_seclabel_wildcard=0
[ 40.050466][ T1] SELinux: policy capability functionfs_seclabel=0
[ 40.057184][ T1] SELinux: policy capability memfd_class=0
[ 40.141477][ T30] audit: type=1403 audit(1769518249.136:2): auid=4294967295 ses=4294967295 lsm=selinux res=1
[ 40.200895][ T5153] mount (5153) used greatest stack depth: 25576 bytes left
[ 40.255346][ T5154] EXT4-fs (sda1): re-mounted 4f91c6db-4997-4bb4-91b8-7e83a20c1bf1 r/w.
syzkaller build log:
go env (err=)
AR='ar'
CC='gcc'
CGO_CFLAGS='-O2 -g'
CGO_CPPFLAGS=''
CGO_CXXFLAGS='-O2 -g'
CGO_ENABLED='1'
CGO_FFLAGS='-O2 -g'
CGO_LDFLAGS='-O2 -g'
CXX='g++'
GCCGO='gccgo'
GO111MODULE='auto'
GOAMD64='v1'
GOARCH='amd64'
GOAUTH='netrc'
GOBIN=''
GOCACHE='/syzkaller/.cache/go-build'
GOCACHEPROG=''
GODEBUG=''
GOENV='/syzkaller/.config/go/env'
GOEXE=''
GOEXPERIMENT=''
GOFIPS140='off'
GOFLAGS=''
GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build956639603=/tmp/go-build -gno-record-gcc-switches'
GOHOSTARCH='amd64'
GOHOSTOS='linux'
GOINSECURE=''
GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod'
GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod'
GONOPROXY=''
GONOSUMDB=''
GOOS='linux'
GOPATH='/syzkaller/jobs/linux/gopath'
GOPRIVATE=''
GOPROXY='https://proxy.golang.org,direct'
GOROOT='/usr/local/go'
GOSUMDB='sum.golang.org'
GOTELEMETRY='local'
GOTELEMETRYDIR='/syzkaller/.config/go/telemetry'
GOTMPDIR=''
GOTOOLCHAIN='auto'
GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64'
GOVCS=''
GOVERSION='go1.24.4'
GOWORK=''
PKG_CONFIG='pkg-config'
git status (err=)
HEAD detached at 40acda8acc
nothing to commit, working tree clean
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
go list -f '{{.Stale}}' -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=40acda8acc843b8f5cc068eaad3b6b217e5a9de6 -X github.com/google/syzkaller/prog.gitRevisionDate=20260124-070254" ./sys/syz-sysgen | grep -q false || go install -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=40acda8acc843b8f5cc068eaad3b6b217e5a9de6 -X github.com/google/syzkaller/prog.gitRevisionDate=20260124-070254" ./sys/syz-sysgen
make .descriptions
tput: No value for $TERM and no -T specified
tput: No value for $TERM and no -T specified
Makefile:31: run command via tools/syz-env for best compatibility, see:
Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env
bin/syz-sysgen
touch .descriptions
GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=40acda8acc843b8f5cc068eaad3b6b217e5a9de6 -X github.com/google/syzkaller/prog.gitRevisionDate=20260124-070254" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog
mkdir -p ./bin/linux_amd64
g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \
-m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \
-DHOSTGOOS_linux=1 -DGIT_REVISION=\"40acda8acc843b8f5cc068eaad3b6b217e5a9de6\"
/usr/bin/ld: /tmp/ccUB8XYQ.o: in function `Connection::Connect(char const*, char const*)':
executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking
./tools/check-syzos.sh 2>/dev/null