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BUG: KCSAN: data-race in getrusage / vms_clear_ptes

write to 0xffff88811f899e18 of 8 bytes by task 17612 on cpu 0:
 update_hiwater_rss include/linux/mm.h:2655 [inline]
 vms_clear_ptes+0x18f/0x2d0 mm/vma.c:1227
 vms_clean_up_area mm/vma.c:1247 [inline]
 __mmap_prepare mm/vma.c:2396 [inline]
 __mmap_region mm/vma.c:2651 [inline]
 mmap_region+0x759/0x1630 mm/vma.c:2739
 do_mmap+0x9b3/0xbe0 mm/mmap.c:558
 vm_mmap_pgoff+0x17a/0x2e0 mm/util.c:580
 ksys_mmap_pgoff+0x268/0x310 mm/mmap.c:604
 x64_sys_call+0x14a3/0x2ff0 arch/x86/include/generated/asm/syscalls_64.h:10
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd2/0x200 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

read to 0xffff88811f899e18 of 8 bytes by task 17613 on cpu 1:
 get_mm_hiwater_rss include/linux/mm.h:2642 [inline]
 setmax_mm_hiwater_rss include/linux/mm.h:2672 [inline]
 getrusage+0xa52/0xbb0 kernel/sys.c:1906
 io_sq_thread+0x5dd/0x1190 io_uring/sqpoll.c:320
 ret_from_fork+0xdd/0x150 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

value changed: 0x00000000000014eb -> 0x00000000000019d5

Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 17613 Comm: iou-sqp-17612 Not tainted 6.16.0-syzkaller-11568-gd632ab86aff2 #0 PREEMPT(voluntary) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
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