Bluetooth: hci7: command 0x0419 tx timeout
Bluetooth: hci4: command 0x0419 tx timeout
Bluetooth: hci6: command 0x0419 tx timeout
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e70
Read of size 8 at addr ffff88800d8fbcc8 by task kmemleak/54

CPU: 1 PID: 54 Comm: kmemleak Not tainted 6.0.0-rc6-next-20220920 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8b/0xb3
 print_report+0x172/0x475
 kasan_report+0xbb/0x1c0
 __lock_acquire+0x42c9/0x5e70
 lock_acquire+0x1a2/0x530
 _raw_spin_lock_irq+0x32/0x50
 kmemleak_scan+0x21d/0x16f0
 kmemleak_scan_thread+0x8f/0xb1
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30
 </TASK>

Allocated by task 181:
 kasan_save_stack+0x1e/0x40
 kasan_set_track+0x21/0x30
 __kasan_slab_alloc+0x58/0x70
 kmem_cache_alloc+0x1b1/0x3e0
 __create_object+0x3d/0xc10
 kmemleak_alloc_percpu+0xa4/0x150
 pcpu_alloc+0x801/0x1100
 __percpu_counter_init+0x10d/0x2e0
 wb_init+0x607/0x810
 wb_get_create+0x23a/0x1180
 __inode_attach_wb+0x2e6/0x880
 __mark_inode_dirty+0x9b2/0xf00
 touch_atime+0x644/0x700
 filemap_read+0x999/0xb60
 generic_file_read_iter+0x3cd/0x530
 ext4_file_read_iter+0x182/0x490
 __kernel_read+0x2cb/0x7d0
 kernel_read+0xbf/0x1c0
 bprm_execve+0x70e/0x1920
 do_execveat_common+0x72c/0x890
 __x64_sys_execve+0x8f/0xc0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 call_rcu+0x6a/0xa30
 kmem_cache_free_bulk.part.0+0x305/0x770
 mas_destroy+0x380/0x560
 mas_store_prealloc+0xf0/0x160
 mmap_region+0xdc5/0x1a00
 do_mmap+0x828/0xf40
 vm_mmap_pgoff+0x1af/0x270
 ksys_mmap_pgoff+0x3d0/0x4f0
 do_syscall_64+0x3b/0x90
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x1e/0x40
 __kasan_record_aux_stack+0x95/0xb0
 call_rcu+0x6a/0xa30
 kmemleak_free_percpu+0xea/0x160
 free_percpu+0x2c/0xec0
 percpu_counter_destroy+0x11a/0x1c0
 wb_exit+0x76/0xb0
 cgwb_release_workfn+0x25d/0x3f0
 process_one_work+0xa17/0x16a0
 worker_thread+0x637/0x1260
 kthread+0x2ed/0x3a0
 ret_from_fork+0x22/0x30

The buggy address belongs to the object at ffff88800d8fbcb0
 which belongs to the cache kmemleak_object of size 368
The buggy address is located 24 bytes inside of
 368-byte region [ffff88800d8fbcb0, ffff88800d8fbe20)

The buggy address belongs to the physical page:
page:0000000012c029ef refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0xd8fa
head:0000000012c029ef order:1 compound_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head|node=0|zone=1)
raw: 0100000000010200 ffff888007c4f780 dead000000120012 0000000000000000
raw: 0000000000000000 dead000000000001 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88800d8fbb80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88800d8fbc00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 fc fc
>ffff88800d8fbc80: fc fc fc fc fc fc 00 00 00 00 00 00 00 00 00 00
                                              ^
 ffff88800d8fbd00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88800d8fbd80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
Bluetooth: hci2: command 0x0419 tx timeout