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BUG: KASAN: use-after-free in __lock_acquire+0x31af/0x3b60 kernel/locking/lockdep.c:3828
Read of size 8 at addr ffff8881d91d1c10 by task syz-executor.5/25408

CPU: 0 PID: 25408 Comm: syz-executor.5 Not tainted 5.4.0-rc1+ #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 print_address_description.constprop.0+0x36/0x50 mm/kasan/report.c:374
 __kasan_report.cold+0x1a/0x33 mm/kasan/report.c:506
 kasan_report+0xe/0x20 mm/kasan/common.c:634
 __lock_acquire+0x31af/0x3b60 kernel/locking/lockdep.c:3828
 lock_acquire+0x127/0x320 kernel/locking/lockdep.c:4487
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x32/0x50 kernel/locking/spinlock.c:159
 xpad_play_effect+0xfe/0xc50 drivers/input/joystick/xpad.c:1225
 ml_play_effects+0x817/0x1270 drivers/input/ff-memless.c:398
 ml_ff_playback+0x285/0x3d0 drivers/input/ff-memless.c:460
 input_ff_event+0x13a/0x2e0 drivers/input/ff-core.c:286
 input_handle_event+0x732/0x13a0 drivers/input/input.c:375
 input_inject_event+0x30a/0x323 drivers/input/input.c:470
 evdev_write+0x2c9/0x410 drivers/input/evdev.c:542
 __vfs_write+0x76/0x100 fs/read_write.c:494
 vfs_write+0x262/0x5c0 fs/read_write.c:558
 ksys_write+0x1e8/0x250 fs/read_write.c:611
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459a59
Code: fd b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f8fe9304c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459a59
RDX: 0000000000000364 RSI: 00000000200000c0 RDI: 0000000000000005
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f8fe93056d4
R13: 00000000004c9ef0 R14: 00000000004e1b38 R15: 00000000ffffffff

Allocated by task 239:
 save_stack+0x1b/0x80 mm/kasan/common.c:69
 set_track mm/kasan/common.c:77 [inline]
 __kasan_kmalloc mm/kasan/common.c:510 [inline]
 __kasan_kmalloc.constprop.0+0xbf/0xd0 mm/kasan/common.c:483
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2772 [inline]
 __kmalloc_node_track_caller+0xfc/0x3d0 mm/slub.c:4367
 __kmalloc_reserve.isra.0+0x39/0xe0 net/core/skbuff.c:141
 __alloc_skb+0xef/0x5a0 net/core/skbuff.c:209
 alloc_skb include/linux/skbuff.h:1049 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1174 [inline]
 netlink_sendmsg+0x8cd/0xcc0 net/netlink/af_netlink.c:1892
 sock_sendmsg_nosec net/socket.c:637 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:657
 ___sys_sendmsg+0x803/0x920 net/socket.c:2311
 __sys_sendmsg+0xec/0x1b0 net/socket.c:2356
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 25217:
 save_stack+0x1b/0x80 mm/kasan/common.c:69
 set_track mm/kasan/common.c:77 [inline]
 kasan_set_free_info mm/kasan/common.c:332 [inline]
 __kasan_slab_free+0x130/0x180 mm/kasan/common.c:471
 slab_free_hook mm/slub.c:1424 [inline]
 slab_free_freelist_hook mm/slub.c:1475 [inline]
 slab_free mm/slub.c:3018 [inline]
 kfree+0xe4/0x2f0 mm/slub.c:3959
 skb_free_head+0x8b/0xa0 net/core/skbuff.c:591
 skb_release_data+0x41f/0x7c0 net/core/skbuff.c:611
 skb_release_all+0x46/0x60 net/core/skbuff.c:665
 __kfree_skb net/core/skbuff.c:679 [inline]
 consume_skb net/core/skbuff.c:838 [inline]
 consume_skb+0xd9/0x320 net/core/skbuff.c:832
 skb_free_datagram+0x16/0xf0 net/core/datagram.c:328
 netlink_recvmsg+0x65e/0xee0 net/netlink/af_netlink.c:1996
 sock_recvmsg_nosec net/socket.c:871 [inline]
 sock_recvmsg net/socket.c:889 [inline]
 sock_recvmsg+0xca/0x110 net/socket.c:885
 ___sys_recvmsg+0x271/0x5c0 net/socket.c:2480
 __sys_recvmsg+0xe9/0x1b0 net/socket.c:2537
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff8881d91d1b00
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 272 bytes inside of
 1024-byte region [ffff8881d91d1b00, ffff8881d91d1f00)
The buggy address belongs to the page:
page:ffffea0007647400 refcount:1 mapcount:0 mapping:ffff8881da002280 index:0xffff8881d91d2400 compound_mapcount: 0
flags: 0x200000000010200(slab|head)
raw: 0200000000010200 ffffea000758a308 ffffea000729d708 ffff8881da002280
raw: ffff8881d91d2400 00000000000e000d 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8881d91d1b00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881d91d1b80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881d91d1c00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff8881d91d1c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881d91d1d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
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