Bluetooth: hci4: command 0x0406 tx timeout
=============================
[ BUG: Invalid wait context ]
6.12.0-next-20241118 #1 Not tainted
-----------------------------
syz-executor.7/11242 is trying to lock:
ffff88807ffdcf78 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x4cd/0xe60
other info that might help us debug this:
context-{2:2}
3 locks held by syz-executor.7/11242:
#0: ffff888014d1c668 (&ctx->ring_lock){+.+.}-{4:4}, at: ioctx_alloc+0x207/0x1df0
#1: ffffffff85c16140 (rcu_read_lock){....}-{1:3}, at: __find_and_get_object+0x24/0x150
#2: ffff88806ce41518 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x4a5/0x2130
stack backtrace:
CPU: 0 UID: 0 PID: 11242 Comm: syz-executor.7 Not tainted 6.12.0-next-20241118 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lock_acquire+0x1535/0x4430
lock_acquire.part.0+0xeb/0x320
_raw_spin_lock_irqsave+0x3a/0x60
__rmqueue_pcplist+0x4cd/0xe60
get_page_from_freelist+0x500/0x2130
__alloc_pages_noprof+0x213/0x1f90
alloc_pages_mpol_noprof+0xf2/0x330
stack_depot_save_flags+0x575/0x900
kasan_save_stack+0x34/0x50
__kasan_record_aux_stack+0x8c/0xa0
task_work_add+0xb8/0x390
run_posix_cpu_timers+0x65e/0x760
tick_nohz_handler+0x414/0x6d0
__hrtimer_run_queues+0x57c/0xa70
hrtimer_interrupt+0x369/0x830
__sysvec_apic_timer_interrupt+0xc2/0x330
sysvec_apic_timer_interrupt+0x6b/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:_raw_spin_unlock_irqrestore+0x34/0x50
Code: c7 18 53 48 89 f3 48 8b 74 24 10 e8 b6 7d a9 fc 48 89 ef e8 be f0 a9 fc 80 e7 02 74 06 e8 04 4a d3 fc fb 65 ff 0d 54 ec 7c 7b <74> 07 5b 5d e9 a3 1e 00 00 0f 1f 44 00 00 5b 5d e9 97 1e 00 00 0f
RSP: 0018:ffff88804178faf8 EFLAGS: 00000286
RAX: 0000000000000121 RBX: 0000000000000202 RCX: 1ffffffff0fe6a87
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8486ba6c
RBP: ffffffff85d019c0 R08: 0000000000000001 R09: fffffbfff0fdda03
R10: ffffffff87eed01f R11: 0000000000000001 R12: ffff888018e89818
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888009402cc0
__find_and_get_object+0x75/0x150
paint_ptr+0x10/0x80
alloc_slab_obj_exts+0x56/0x90
new_slab+0xbe/0x210
___slab_alloc+0x8a8/0x1200
kmem_cache_alloc_noprof+0x228/0x3d0
alloc_empty_file+0x76/0x1e0
alloc_file_pseudo+0x139/0x200
ioctx_alloc+0x551/0x1df0
__x64_sys_io_setup+0xc8/0x1f0
do_syscall_64+0xbf/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff5ff440b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ff5fc9b6188 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce
RAX: ffffffffffffffda RBX: 00007ff5ff553f60 RCX: 00007ff5ff440b19
RDX: 0000000000000000 RSI: 0000000020000280 RDI: 0000000000008000
RBP: 00007ff5ff49af6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcebed4bef R14: 00007ff5fc9b6300 R15: 0000000000022000
sd 0:0:0:0: ioctl_internal_command: ILLEGAL REQUEST asc=0x24 ascq=0x0
Bluetooth: hci0: command 0x0401 tx timeout
Bluetooth: hci1: command 0x0c1a tx timeout
Bluetooth: hci2: command 0x0c1a tx timeout
Bluetooth: hci3: command 0x0c1a tx timeout
Bluetooth: hci6: command 0x0c1a tx timeout
Bluetooth: hci5: command 0x0c1a tx timeout
Bluetooth: hci7: command 0x0c1a tx timeout
Bluetooth: hci1: command 0x0c1a tx timeout
Bluetooth: hci7: command 0x0c1a tx timeout
Bluetooth: hci5: command 0x0c1a tx timeout
Bluetooth: hci6: command 0x0c1a tx timeout
Bluetooth: hci3: command 0x0c1a tx timeout
Bluetooth: hci2: command 0x0c1a tx timeout
Bluetooth: hci0: command 0x0401 tx timeout
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 18 53 48 sbb %dl,0x48(%rbx)
3: 89 f3 mov %esi,%ebx
5: 48 8b 74 24 10 mov 0x10(%rsp),%rsi
a: e8 b6 7d a9 fc callq 0xfca97dc5
f: 48 89 ef mov %rbp,%rdi
12: e8 be f0 a9 fc callq 0xfca9f0d5
17: 80 e7 02 and $0x2,%bh
1a: 74 06 je 0x22
1c: e8 04 4a d3 fc callq 0xfcd34a25
21: fb sti
22: 65 ff 0d 54 ec 7c 7b decl %gs:0x7b7cec54(%rip) # 0x7b7cec7d
* 29: 74 07 je 0x32 <-- trapping instruction
2b: 5b pop %rbx
2c: 5d pop %rbp
2d: e9 a3 1e 00 00 jmpq 0x1ed5
32: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
37: 5b pop %rbx
38: 5d pop %rbp
39: e9 97 1e 00 00 jmpq 0x1ed5
3e: 0f .byte 0xf