================================================================== BUG: KCSAN: data-race in getrusage / vms_clear_ptes write to 0xffff888107a90100 of 8 bytes by task 7494 on cpu 1: update_hiwater_rss include/linux/mm.h:2771 [inline] vms_clear_ptes+0x1a4/0x300 mm/vma.c:1183 vms_clean_up_area mm/vma.c:1203 [inline] __mmap_prepare mm/vma.c:2340 [inline] __mmap_region mm/vma.c:2506 [inline] mmap_region+0x664/0x1490 mm/vma.c:2597 do_mmap+0x9ef/0xc80 mm/mmap.c:561 vm_mmap_pgoff+0x16d/0x2d0 mm/util.c:579 ksys_mmap_pgoff+0x28a/0x340 mm/mmap.c:607 x64_sys_call+0x1945/0x2e10 arch/x86/include/generated/asm/syscalls_64.h:10 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0x1a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff888107a90100 of 8 bytes by task 7495 on cpu 0: get_mm_hiwater_rss include/linux/mm.h:2758 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2788 [inline] getrusage+0xa17/0xb70 kernel/sys.c:1876 io_sq_thread+0x5e0/0x1140 io_uring/sqpoll.c:310 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 value changed: 0x00000000000014ea -> 0x00000000000016f4 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 7495 Comm: iou-sqp-7494 Not tainted 6.15.0-rc3-syzkaller-00076-ge72e9e693307 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 ==================================================================