sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
sr 1:0:0:0: [sr0] tag#0 unaligned transfer
Process accounting resumed
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e70
Read of size 8 at addr ffff8880185a3cc8 by task kmemleak/54

CPU: 1 PID: 54 Comm: kmemleak Not tainted 6.1.0-rc6-next-20221124 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
 <TASK>
 dump_stack_lvl+0x8f/0xb7
 print_report+0x175/0x478
 kasan_report+0xbf/0x1c0
 __lock_acquire+0x42c9/0x5e70
 lock_acquire+0x1a6/0x530
 _raw_spin_lock_irq+0x36/0x50
 kmemleak_scan+0x1a0/0x1600
 kmemleak_scan_thread+0x93/0xb5
 kthread+0x2f1/0x3a0
 ret_from_fork+0x2c/0x50
 </TASK>

Allocated by task 20373:
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 __kasan_slab_alloc+0x5c/0x70
 kmem_cache_alloc+0x1e0/0x410
 __create_object+0x3d/0xc10
 kmem_cache_alloc_lru+0x307/0x760
 __d_alloc+0x31/0x9c0
 d_alloc+0x4a/0x1d0
 __lookup_hash+0xcc/0x190
 filename_create+0x1d6/0x4a0
 do_symlinkat+0xc8/0x280
 __x64_sys_symlink+0x79/0xa0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

Freed by task 298:
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 kasan_save_free_info+0x2e/0x50
 __kasan_slab_free+0x10a/0x190
 kmem_cache_free+0xfb/0x610
 rcu_core+0x7cf/0x2070
 __do_softirq+0x1c7/0x8f9

Last potentially related work creation:
 kasan_save_stack+0x22/0x50
 __kasan_record_aux_stack+0x95/0xb0
 __call_rcu_common.constprop.0+0x6a/0xa40
 kmem_cache_free+0xc1/0x610
 rcu_core+0x7cf/0x2070
 __do_softirq+0x1c7/0x8f9

Second to last potentially related work creation:
 kasan_save_stack+0x22/0x50
 __kasan_record_aux_stack+0x95/0xb0
 __call_rcu_common.constprop.0+0x6a/0xa40
 kmem_cache_free+0xc1/0x610
 ext4_mb_new_blocks+0x38b6/0x4bf0
 ext4_ext_map_blocks+0x1fca/0x5d40
 ext4_map_blocks+0x776/0x19e0
 ext4_getblk+0x604/0x7b0
 ext4_bread+0x2e/0x1a0
 ext4_append+0x21d/0x530
 ext4_init_new_dir+0x262/0x4c0
 ext4_mkdir+0x3d3/0xb20
 vfs_mkdir+0x495/0x740
 do_mkdirat+0x16e/0x2d0
 __x64_sys_mkdir+0xf6/0x150
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

The buggy address belongs to the object at ffff8880185a3cb0
 which belongs to the cache kmemleak_object of size 368
The buggy address is located 24 bytes inside of
 368-byte region [ffff8880185a3cb0, ffff8880185a3e20)

The buggy address belongs to the physical page:
page:00000000cb28ddbe refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8880185a2d80 pfn:0x185a2
head:00000000cb28ddbe order:1 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head|node=0|zone=1)
raw: 0100000000010200 ffff88800844f780 ffffea00003f8b90 ffffea000078dc10
raw: ffff8880185a2d80 0000000000120010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8880185a3b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880185a3c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
>ffff8880185a3c80: fc fc fc fc fc fc fa fb fb fb fb fb fb fb fb fb
                                              ^
 ffff8880185a3d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8880185a3d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================