syz-executor.0: attempt to access beyond end of device
loop0: rw=2049, sector=40, nr_sectors = 4 limit=40
Buffer I/O error on dev loop0, logical block 10, lost async page write
==================================================================
BUG: KASAN: use-after-free in __lock_acquire+0x42c9/0x5e70
Read of size 8 at addr ffff88801cf93b18 by task syz-executor/14581

CPU: 1 PID: 14581 Comm: syz-executor Not tainted 6.1.0-rc8-next-20221208 #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_write+0x574/0x680
 full_proxy_write+0x121/0x190
 vfs_write+0x358/0xe40
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc
RIP: 0033:0x7f793e7cc5c3
Code: 16 00 00 00 eb ae 90 b8 6e 00 00 00 eb a6 e8 44 ef 04 00 0f 1f 40 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18
RSP: 002b:00007ffe148d58d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ffe148d5f18 RCX: 00007f793e7cc5c3
RDX: 0000000000000004 RSI: 00007f793e882ed9 RDI: 0000000000000003
RBP: 0000000000000002 R08: 0000000000000ad9 R09: 00007ffe14904080
R10: 00007ffe14904090 R11: 0000000000000246 R12: 00000000fffffff6
R13: 00007ffe148d6ef1 R14: 0000000000000000 R15: 00000000002a5fef
 </TASK>

Allocated by task 100:
 kasan_save_stack+0x22/0x50
 kasan_set_track+0x25/0x30
 __kasan_slab_alloc+0x5c/0x70
 kmem_cache_alloc+0x1e1/0x410
 __create_object+0x3d/0xc10
 kmem_cache_alloc+0x273/0x410
 skb_clone+0x172/0x3c0
 netlink_broadcast+0x88f/0xd90
 kobject_uevent_env+0xa68/0xfa0
 kobject_synth_uevent+0x708/0x820
 uevent_store+0x24/0x50
 dev_attr_store+0x57/0x80
 sysfs_kf_write+0x117/0x170
 kernfs_fop_write_iter+0x3f7/0x610
 vfs_write+0xa4f/0xe40
 ksys_write+0x12b/0x260
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

Freed by task 13:
 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+0x7e2/0x2090
 __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
 kfree_skbmem+0xef/0x1b0
 consume_skb+0xd8/0x170
 netlink_recvmsg+0x4da/0xd60
 sock_recvmsg+0x14d/0x190
 ____sys_recvmsg+0x210/0x5c0
 ___sys_recvmsg+0xf2/0x190
 __sys_recvmsg+0xf4/0x1c0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

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
 __put_cred+0x132/0x180
 revert_creds+0xb3/0xd0
 do_faccessat+0x2db/0x7f0
 do_syscall_64+0x3f/0x90
 entry_SYSCALL_64_after_hwframe+0x72/0xdc

The buggy address belongs to the object at ffff88801cf93b00
 which belongs to the cache kmemleak_object of size 368
The buggy address is located 24 bytes inside of
 368-byte region [ffff88801cf93b00, ffff88801cf93c70)

The buggy address belongs to the physical page:
page:00000000c735b29b refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1cf92
head:00000000c735b29b order:1 compound_mapcount:0 subpages_mapcount:0 compound_pincount:0
flags: 0x100000000010200(slab|head|node=0|zone=1)
raw: 0100000000010200 ffff88800844f780 dead000000000100 dead000000000122
raw: 0000000000000000 0000000000120012 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88801cf93a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801cf93a80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
>ffff88801cf93b00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff88801cf93b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801cf93c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
==================================================================