Bluetooth: hci0: command 0x0c1a tx timeout
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BUG: KASAN: use-after-free in __queue_work+0xc4f/0xf00 kernel/workqueue.c:1415
Read of size 4 at addr ffff88801fde89c0 by task kworker/1:5/9894

CPU: 1 PID: 9894 Comm: kworker/1:5 Not tainted 5.10.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events hci_cmd_timeout
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x107/0x163 lib/dump_stack.c:118
 print_address_description.constprop.0.cold+0xae/0x497 mm/kasan/report.c:385
 __kasan_report mm/kasan/report.c:545 [inline]
 kasan_report.cold+0x1f/0x37 mm/kasan/report.c:562
 __queue_work+0xc4f/0xf00 kernel/workqueue.c:1415
 queue_work_on+0xc7/0xd0 kernel/workqueue.c:1521
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
 kthread+0x3af/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Allocated by task 33:
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_set_track mm/kasan/common.c:56 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:461
 __kmalloc_reserve net/core/skbuff.c:142 [inline]
 pskb_expand_head+0x15a/0x1040 net/core/skbuff.c:1622
 netlink_trim+0x1ea/0x240 net/netlink/af_netlink.c:1286
 netlink_broadcast_filtered+0x65/0xdc0 net/netlink/af_netlink.c:1491
 netlink_broadcast+0x35/0x40 net/netlink/af_netlink.c:1536
 nlmsg_multicast include/net/netlink.h:1033 [inline]
 kauditd_send_multicast_skb+0x376/0x3e0 kernel/audit.c:804
 kauditd_send_queue+0x54/0x210 kernel/audit.c:729
 kauditd_thread+0x7e7/0xb70 kernel/audit.c:860
 kthread+0x3af/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

Last call_rcu():
 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:48
 kasan_record_aux_stack+0x82/0xb0 mm/kasan/generic.c:346
 __call_rcu kernel/rcu/tree.c:2953 [inline]
 call_rcu+0xbb/0x700 kernel/rcu/tree.c:3027
 pwq_unbound_release_workfn+0x23a/0x2d0 kernel/workqueue.c:3697
 process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
 kthread+0x3af/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296

The buggy address belongs to the object at ffff88801fde8800
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 448 bytes inside of
 1024-byte region [ffff88801fde8800, ffff88801fde8c00)
The buggy address belongs to the page:
page:00000000137dfb7f refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1fde8
flags: 0xfff00000000200(slab)
raw: 00fff00000000200 ffffea0000c55548 ffffea00009afd08 ffff888010040700
raw: 0000000000000000 ffff88801fde8000 0000000100000002 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff88801fde8880: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801fde8900: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801fde8980: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
                                           ^
 ffff88801fde8a00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88801fde8a80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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