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BUG: KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu

write to 0xffff888137c0d310 of 8 bytes by task 16186 on cpu 0:
 __anon_vma_prepare+0x147/0x2b0 mm/rmap.c:214
 vmf_anon_prepare mm/memory.c:3071 [inline]
 wp_page_copy mm/memory.c:3109 [inline]
 do_wp_page+0x1593/0x1f40 mm/memory.c:3510
 handle_pte_fault mm/memory.c:5054 [inline]
 __handle_mm_fault mm/memory.c:5179 [inline]
 handle_mm_fault+0xe5d/0x2dd0 mm/memory.c:5344
 do_user_addr_fault arch/x86/mm/fault.c:1413 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x2f7/0x6c0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
 __put_user_2+0x11/0x20 arch/x86/lib/putuser.S:67
 vt_do_kdsk_ioctl+0x2f9/0x6f0 drivers/tty/vt/keyboard.c:2033
 vt_k_ioctl drivers/tty/vt/vt_ioctl.c:425 [inline]
 vt_ioctl+0x8da/0x1830 drivers/tty/vt/vt_ioctl.c:752
 tty_ioctl+0x816/0xbc0 drivers/tty/tty_io.c:2780
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:871 [inline]
 __se_sys_ioctl+0xcf/0x140 fs/ioctl.c:857
 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:857
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

read to 0xffff888137c0d310 of 8 bytes by task 16185 on cpu 1:
 lock_vma_under_rcu+0x16a/0x2a0 mm/memory.c:5509
 do_user_addr_fault arch/x86/mm/fault.c:1356 [inline]
 handle_page_fault arch/x86/mm/fault.c:1505 [inline]
 exc_page_fault+0x164/0x6c0 arch/x86/mm/fault.c:1561
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

value changed: 0x0000000000000000 -> 0xffff888107540820

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 PID: 16185 Comm: syz-executor.0 Not tainted 6.7.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
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