netlink: 'syz.1.1126': attribute type 10 has an invalid length.
team0: Port device netdevsim1 added
netlink: 'syz.1.1126': attribute type 10 has an invalid length.
team0: Port device netdevsim1 removed
==================================================================
BUG: KCSAN: data-race in data_push_tail / number

write to 0xffffffff88b9af30 of 1 bytes by task 6709 on cpu 1:
 number+0x8e0/0xa90 lib/vsprintf.c:564
 vsnprintf+0xa44/0xe30 lib/vsprintf.c:2869
 vscnprintf+0x42/0x90 lib/vsprintf.c:2909
 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2197
 vprintk_store+0x570/0x810 kernel/printk/printk.c:2311
 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2422
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:68
 _printk+0x7a/0xa0 kernel/printk/printk.c:2432
 sg_write+0x6ec/0x710 drivers/scsi/sg.c:701
 do_loop_readv_writev fs/read_write.c:857 [inline]
 vfs_writev+0x3fb/0x880 fs/read_write.c:1066
 do_writev+0xf8/0x220 fs/read_write.c:1111
 __do_sys_writev fs/read_write.c:1184 [inline]
 __se_sys_writev fs/read_write.c:1181 [inline]
 __x64_sys_writev+0x45/0x50 fs/read_write.c:1181
 x64_sys_call+0x1f18/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:21
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffffffff88b9af30 of 8 bytes by task 6701 on cpu 0:
 data_make_reusable kernel/printk/printk_ringbuffer.c:594 [inline]
 data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:679
 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1054
 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669
 vprintk_store+0x53f/0x810 kernel/printk/printk.c:2301
 vprintk_emit+0x15e/0x680 kernel/printk/printk.c:2383
 vprintk_default+0x26/0x30 kernel/printk/printk.c:2422
 vprintk+0x75/0x80 kernel/printk/printk_safe.c:68
 _printk+0x7a/0xa0 kernel/printk/printk.c:2432
 __netdev_printk+0x2d1/0x3e0 net/core/dev.c:11821
 netdev_info+0x99/0xc0 net/core/dev.c:11868
 team_port_del+0x647/0x6a0 drivers/net/team/team_core.c:1370
 team_del_slave+0x36/0x70 drivers/net/team/team_core.c:1991
 do_set_master net/core/rtnetlink.c:2687 [inline]
 do_setlink+0x9c6/0x2490 net/core/rtnetlink.c:2907
 __rtnl_newlink net/core/rtnetlink.c:3696 [inline]
 rtnl_newlink+0x11a3/0x1690 net/core/rtnetlink.c:3743
 rtnetlink_rcv_msg+0x6aa/0x710 net/core/rtnetlink.c:6646
 netlink_rcv_skb+0x12c/0x230 net/netlink/af_netlink.c:2550
 rtnetlink_rcv+0x1c/0x30 net/core/rtnetlink.c:6664
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x599/0x670 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x5cc/0x6e0 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg+0x140/0x180 net/socket.c:744
 ____sys_sendmsg+0x312/0x410 net/socket.c:2602
 ___sys_sendmsg net/socket.c:2656 [inline]
 __sys_sendmsg+0x1d9/0x270 net/socket.c:2685
 __do_sys_sendmsg net/socket.c:2694 [inline]
 __se_sys_sendmsg net/socket.c:2692 [inline]
 __x64_sys_sendmsg+0x46/0x50 net/socket.c:2692
 x64_sys_call+0x2689/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

value changed: 0x00000000ffffe50e -> 0x7365747962203331

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 6701 Comm: syz.1.1126 Not tainted 6.12.0-rc2-syzkaller-00100-geb952c47d154 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
==================================================================
bond0: (slave netdevsim1): Enslaving as an active interface with an up link
syz.1.1126 (6701) used greatest stack depth: 9032 bytes left