netlink: 'syz-executor.3': attribute type 16 has an invalid length.
==================================================================
BUG: KCSAN: data-race in data_push_tail / number

write to 0xffffffff86f5e8c9 of 1 bytes by task 21456 on cpu 0:
 number+0x7d0/0xa90 lib/vsprintf.c:562
 vsnprintf+0xa44/0xe20 lib/vsprintf.c:2883
 vscnprintf+0x42/0x80 lib/vsprintf.c:2923
 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2128
 vprintk_store+0x56f/0x800 kernel/printk/printk.c:2242
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2288
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2318
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2328
 __ext4_error_inode+0x2d5/0x400 fs/ext4/super.c:800
 __ext4_mark_inode_dirty+0xbe/0x440 fs/ext4/inode.c:5896
 __ext4_ext_dirty fs/ext4/extents.c:202 [inline]
 ext4_ext_rm_leaf fs/ext4/extents.c:2746 [inline]
 ext4_ext_remove_space+0x126d/0x2c80 fs/ext4/extents.c:2958
 ext4_ext_truncate+0xc4/0x140 fs/ext4/extents.c:4408
 ext4_truncate+0x76f/0xb30 fs/ext4/inode.c:4127
 ext4_process_orphan+0x113/0x1c0 fs/ext4/orphan.c:339
 ext4_orphan_cleanup+0x669/0x9b0 fs/ext4/orphan.c:474
 __ext4_fill_super fs/ext4/super.c:5577 [inline]
 ext4_fill_super+0x3574/0x38b0 fs/ext4/super.c:5696
 get_tree_bdev+0x2b4/0x3b0 fs/super.c:1318
 ext4_get_tree+0x1c/0x20 fs/ext4/super.c:5728
 vfs_get_tree+0x51/0x190 fs/super.c:1519
 do_new_mount+0x203/0x660 fs/namespace.c:3335
 path_mount+0x496/0xb30 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x27f/0x2d0 fs/namespace.c:3861
 __x64_sys_mount+0x67/0x80 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

read to 0xffffffff86f5e8c8 of 8 bytes by task 21482 on cpu 1:
 data_make_reusable kernel/printk/printk_ringbuffer.c:590 [inline]
 data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:675
 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1046
 prb_reserve+0x893/0xbc0 kernel/printk/printk_ringbuffer.c:1555
 vprintk_store+0x53e/0x800 kernel/printk/printk.c:2232
 vprintk_emit+0xd0/0x430 kernel/printk/printk.c:2288
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2318
 vprintk+0x83/0x90 kernel/printk/printk_safe.c:50
 _printk+0x7a/0xa0 kernel/printk/printk.c:2328
 validate_nla lib/nlattr.c:391 [inline]
 __nla_validate_parse+0x1333/0x1b50 lib/nlattr.c:603
 __nla_parse+0x40/0x50 lib/nlattr.c:700
 __nlmsg_parse include/net/netlink.h:749 [inline]
 nlmsg_parse_deprecated include/net/netlink.h:790 [inline]
 nl80211_dump_wiphy_parse+0xf3/0x2d0 net/wireless/nl80211.c:3016
 nl80211_dump_interface+0xd6/0x3f0 net/wireless/nl80211.c:3969
 netlink_dump+0x381/0x710 net/netlink/af_netlink.c:2269
 __netlink_dump_start+0x426/0x510 net/netlink/af_netlink.c:2376
 genl_family_rcv_msg_dumpit net/netlink/genetlink.c:931 [inline]
 genl_family_rcv_msg net/netlink/genetlink.c:1047 [inline]
 genl_rcv_msg+0x596/0x720 net/netlink/genetlink.c:1067
 netlink_rcv_skb+0x126/0x220 net/netlink/af_netlink.c:2549
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1078
 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline]
 netlink_unicast+0x56f/0x640 net/netlink/af_netlink.c:1365
 netlink_sendmsg+0x665/0x770 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:725 [inline]
 sock_sendmsg net/socket.c:748 [inline]
 ____sys_sendmsg+0x37c/0x4d0 net/socket.c:2494
 ___sys_sendmsg net/socket.c:2548 [inline]
 __sys_sendmsg+0x1e9/0x270 net/socket.c:2577
 __do_sys_sendmsg net/socket.c:2586 [inline]
 __se_sys_sendmsg net/socket.c:2584 [inline]
 __x64_sys_sendmsg+0x46/0x50 net/socket.c:2584
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

value changed: 0x0000000100005d22 -> 0x0000000100005d3a

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 21482 Comm: syz-executor.3 Tainted: G        W          6.5.0-rc5-syzkaller-00029-g14f9643dc90a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
==================================================================
syz-executor.3 (21482) used greatest stack depth: 9544 bytes left