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BUG: KCSAN: data-race in getrusage / vms_clear_ptes

write to 0xffff8881088258f8 of 8 bytes by task 14534 on cpu 0:
 update_hiwater_rss include/linux/mm.h:2675 [inline]
 vms_clear_ptes+0x1a2/0x300 mm/vma.c:1136
 vms_clean_up_area mm/vma.c:1156 [inline]
 __mmap_prepare mm/vma.c:2283 [inline]
 __mmap_region mm/vma.c:2449 [inline]
 mmap_region+0x659/0x1620 mm/vma.c:2540
 do_mmap+0x98a/0xc30 mm/mmap.c:561
 vm_mmap_pgoff+0x16d/0x2d0 mm/util.c:578
 ksys_mmap_pgoff+0xd0/0x330 mm/mmap.c:607
 x64_sys_call+0x1945/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:10
 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 0xffff8881088258f8 of 8 bytes by task 14535 on cpu 1:
 get_mm_hiwater_rss include/linux/mm.h:2662 [inline]
 setmax_mm_hiwater_rss include/linux/mm.h:2692 [inline]
 getrusage+0xa15/0xb70 kernel/sys.c:1876
 io_sq_thread+0x5de/0x10e0 io_uring/sqpoll.c:310
 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

value changed: 0x00000000000014e6 -> 0x00000000000016f0

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 14535 Comm: iou-sqp-14534 Not tainted 6.14.0-syzkaller-00685-g3ba7dfb8da62 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
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