binder: 16691:16700 Acquire 1 refcount change on invalid ref 0 ret -22
==================================================================
BUG: KASAN: use-after-free in nla_strlcpy+0x13d/0x150 lib/nlattr.c:314
Read of size 1 at addr ffff8801d43ff6fc by task syz-executor7/16695

CPU: 1 PID: 16695 Comm: syz-executor7 Not tainted 4.17.0-rc6+ #63
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+0x1b9/0x294 lib/dump_stack.c:113
binder: 16691:16700 BC_REQUEST_DEATH_NOTIFICATION invalid ref 0
binder: 16700 RLIMIT_NICE not set
 print_address_description+0x6c/0x20b mm/kasan/report.c:256
 kasan_report_error mm/kasan/report.c:354 [inline]
 kasan_report.cold.7+0x242/0x2fe mm/kasan/report.c:412
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report.c:430
 nla_strlcpy+0x13d/0x150 lib/nlattr.c:314
 nfnl_acct_new+0x574/0xc50 net/netfilter/nfnetlink_acct.c:118
 nfnetlink_rcv_msg+0xdb5/0xff0 net/netfilter/nfnetlink.c:212
IPVS: ftp: loaded support on port[0] = 21
 netlink_rcv_skb+0x172/0x440 net/netlink/af_netlink.c:2448
 nfnetlink_rcv+0x1fe/0x1ba0 net/netfilter/nfnetlink.c:513
 netlink_unicast_kernel net/netlink/af_netlink.c:1310 [inline]
 netlink_unicast+0x58b/0x740 net/netlink/af_netlink.c:1336
 netlink_sendmsg+0x9f0/0xfa0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:629 [inline]
 sock_sendmsg+0xd5/0x120 net/socket.c:639
 ___sys_sendmsg+0x805/0x940 net/socket.c:2117
 __sys_sendmsg+0x115/0x270 net/socket.c:2155
 __do_sys_sendmsg net/socket.c:2164 [inline]
 __se_sys_sendmsg net/socket.c:2162 [inline]
 __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2162
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x455a09
RSP: 002b:00007f5328fe0c68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5328fe16d4 RCX: 0000000000455a09
RDX: 0000000000000000 RSI: 0000000020000080 RDI: 0000000000000015
RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000005a3 R14: 00000000006fc7e8 R15: 0000000000000000

Allocated by task 16039:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xc4/0xe0 mm/kasan/kasan.c:553
 kmem_cache_alloc_trace+0x152/0x780 mm/slab.c:3620
 kmalloc include/linux/slab.h:512 [inline]
 kzalloc include/linux/slab.h:701 [inline]
 snd_mixer_oss_put_volume1_vol.isra.12+0x9d/0x430 sound/core/oss/mixer_oss.c:642
 snd_mixer_oss_put_volume1+0x95c/0xd60 sound/core/oss/mixer_oss.c:723
 snd_mixer_oss_set_volume sound/core/oss/mixer_oss.c:304 [inline]
 snd_mixer_oss_ioctl1+0x6c7/0x1ce0 sound/core/oss/mixer_oss.c:367
 snd_mixer_oss_ioctl+0x47/0x60 sound/core/oss/mixer_oss.c:382
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

Freed by task 16039:
 save_stack+0x43/0xd0 mm/kasan/kasan.c:448
 set_track mm/kasan/kasan.c:460 [inline]
 __kasan_slab_free+0x11a/0x170 mm/kasan/kasan.c:521
 kasan_slab_free+0xe/0x10 mm/kasan/kasan.c:528
 __cache_free mm/slab.c:3498 [inline]
 kfree+0xd9/0x260 mm/slab.c:3813
 snd_mixer_oss_put_volume1_vol.isra.12+0x335/0x430 sound/core/oss/mixer_oss.c:661
 snd_mixer_oss_put_volume1+0x95c/0xd60 sound/core/oss/mixer_oss.c:723
 snd_mixer_oss_set_volume sound/core/oss/mixer_oss.c:304 [inline]
 snd_mixer_oss_ioctl1+0x6c7/0x1ce0 sound/core/oss/mixer_oss.c:367
 snd_mixer_oss_ioctl+0x47/0x60 sound/core/oss/mixer_oss.c:382
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x1cf/0x16a0 fs/ioctl.c:684
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:701
 __do_sys_ioctl fs/ioctl.c:708 [inline]
 __se_sys_ioctl fs/ioctl.c:706 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:706
 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287
 entry_SYSCALL_64_after_hwframe+0x49/0xbe

The buggy address belongs to the object at ffff8801d43ff540
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 444 bytes inside of
 512-byte region [ffff8801d43ff540, ffff8801d43ff740)
The buggy address belongs to the page:
page:ffffea000750ffc0 count:1 mapcount:0 mapping:ffff8801d43ff040 index:0xffff8801d43ff2c0
flags: 0x2fffc0000000100(slab)
raw: 02fffc0000000100 ffff8801d43ff040 ffff8801d43ff2c0 0000000100000005
raw: ffffea00075e7f20 ffffea00073649e0 ffff8801da800940 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff8801d43ff580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8801d43ff600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8801d43ff680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                                ^
 ffff8801d43ff700: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff8801d43ff780: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
==================================================================