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BUG: KCSAN: data-race in __anon_vma_prepare / lock_vma_under_rcu

write to 0xffff888104dd01c0 of 8 bytes by task 30808 on cpu 1:
 __anon_vma_prepare+0x147/0x2b0 mm/rmap.c:214
 anon_vma_prepare include/linux/rmap.h:159 [inline]
 do_anonymous_page mm/memory.c:4102 [inline]
 do_pte_missing mm/memory.c:3662 [inline]
 handle_pte_fault mm/memory.c:4939 [inline]
 __handle_mm_fault mm/memory.c:5079 [inline]
 handle_mm_fault+0x1f5c/0x2c10 mm/memory.c:5233
 do_user_addr_fault arch/x86/mm/fault.c:1392 [inline]
 handle_page_fault arch/x86/mm/fault.c:1486 [inline]
 exc_page_fault+0x24d/0x650 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570
 rep_movs_alternative+0x33/0xb0 arch/x86/lib/copy_user_64.S:57
 copy_user_generic arch/x86/include/asm/uaccess_64.h:112 [inline]
 raw_copy_to_user arch/x86/include/asm/uaccess_64.h:133 [inline]
 _copy_to_user+0x77/0x90 lib/usercopy.c:41
 copy_to_user include/linux/uaccess.h:191 [inline]
 do_pipe2+0x8c/0x130 fs/pipe.c:1017
 __do_sys_pipe2 fs/pipe.c:1033 [inline]
 __se_sys_pipe2 fs/pipe.c:1031 [inline]
 __x64_sys_pipe2+0x30/0x40 fs/pipe.c:1031
 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 0xffff888104dd01c0 of 8 bytes by task 30807 on cpu 0:
 lock_vma_under_rcu+0xcf/0x2b0 mm/memory.c:5397
 do_user_addr_fault arch/x86/mm/fault.c:1335 [inline]
 handle_page_fault arch/x86/mm/fault.c:1486 [inline]
 exc_page_fault+0x160/0x650 arch/x86/mm/fault.c:1542
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570

value changed: 0x0000000000000000 -> 0xffff88811db24c30

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 PID: 30807 Comm: syz-executor.0 Not tainted 6.5.0-rc3-syzkaller-00018-g0b5547c51827 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023
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