Bluetooth: hci3: unexpected cc 0x0c38 length: 249 > 2
Bluetooth: hci3: command tx timeout
Bluetooth: hci3: command tx timeout
------------[ cut here ]------------
percpu ref (obj_cgroup_release) <= 0 (-323) after switching to atomic
WARNING: lib/percpu-refcount.c:197 at percpu_ref_switch_to_atomic_rcu+0x3cc/0x480, CPU#1: modprobe/17863
Modules linked in:
CPU: 1 UID: 0 PID: 17863 Comm: modprobe Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:percpu_ref_switch_to_atomic_rcu+0x3cc/0x480
Code: 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 9e 00 00 00 49 8b 75 e8 48 c7 c7 c0 99 e2 84 e8 25 ac e9 fe 90 <0f> 0b 90 90 e9 2b ff ff ff e8 56 de 5f ff e9 9e fe ff ff e8 dc de
RSP: 0018:ffff88806cf08e20 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff8139de70
RDX: ffff8880102b9b80 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 7ffffffffffffec7 R08: 0000000000000001 R09: ffffed100d9e117f
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800ee76600
R13: ffff88800ee76620 R14: 0000000000000002 R15: 0000000000000003
FS: 0000000000000000(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fce1502080 CR3: 0000000030223000 CR4: 0000000000350ef0
Call Trace:
rcu_core+0x7c8/0x1800
handle_softirqs+0x1b1/0x770
__irq_exit_rcu+0xc4/0x100
irq_exit_rcu+0x9/0x20
sysvec_apic_timer_interrupt+0x70/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:rcu_is_watching+0x30/0x70
Code: ff 05 a4 8d 29 06 65 48 8b 1d 94 8d 29 06 48 8d bb 50 98 85 87 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 26 8b 83 50 98 85
RSP: 0018:ffff88801018eeb0 EFLAGS: 00000216
RAX: dffffc0000000000 RBX: ffff8880e56d8000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806cf31850
RBP: ffffffff85c1c760 R08: 0000000000000000 R09: 0000000000000000
R10: 000000000003bea3 R11: 00000000000226f7 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801018efa8
lock_acquire+0x18c/0x2f0
unwind_next_frame+0xcd/0x2540
arch_stack_walk+0x86/0xf0
stack_trace_save+0x8e/0xc0
kasan_save_stack+0x24/0x50
kasan_save_track+0x14/0x30
__kasan_slab_alloc+0x59/0x70
kmem_cache_alloc_noprof+0x205/0x690
mas_alloc_nodes+0x432/0x8f0
mas_node_count_gfp+0x106/0x140
mas_preallocate+0x2af/0x690
__mmap_region+0xdf2/0x2670
mmap_region+0x194/0x3e0
do_mmap+0xa36/0x11d0
vm_mmap_pgoff+0x1fc/0x390
vm_mmap+0x99/0xc0
elf_load+0x3d8/0x730
load_elf_binary+0x3482/0x4f70
bprm_execve+0x8d9/0x15a0
kernel_execve+0x2ff/0x3d0
call_usermodehelper_exec_async+0x25f/0x4e0
ret_from_fork+0x34b/0x430
ret_from_fork_asm+0x1a/0x30
irq event stamp: 1274
hardirqs last enabled at (1282): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1291): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (92): [] fpu_flush_thread+0x136/0x1c0
softirqs last disabled at (157): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
percpu_ref_switch_to_atomic_rcu: percpu_ref_switch_to_atomic_rcu(): percpu_ref underflow slab kmalloc-64 start ffff88800ee76600 pointer offset 0 size 64
Bluetooth: hci3: command tx timeout
Bluetooth: hci3: command tx timeout
wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
----------------
Code disassembly (best guess):
0: ff 05 a4 8d 29 06 incl 0x6298da4(%rip) # 0x6298daa
6: 65 48 8b 1d 94 8d 29 mov %gs:0x6298d94(%rip),%rbx # 0x6298da2
d: 06
e: 48 8d bb 50 98 85 87 lea -0x787a67b0(%rbx),%rdi
15: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1c: fc ff df
1f: 48 89 fa mov %rdi,%rdx
22: 48 c1 ea 03 shr $0x3,%rdx
26: 0f b6 14 02 movzbl (%rdx,%rax,1),%edx
* 2a: 48 89 f8 mov %rdi,%rax <-- trapping instruction
2d: 83 e0 07 and $0x7,%eax
30: 83 c0 03 add $0x3,%eax
33: 38 d0 cmp %dl,%al
35: 7c 04 jl 0x3b
37: 84 d2 test %dl,%dl
39: 75 26 jne 0x61
3b: 8b .byte 0x8b
3c: 83 50 98 85 adcl $0xffffff85,-0x68(%rax)