================================================================== BUG: KCSAN: data-race in getrusage / vms_clear_ptes write to 0xffff888109bd8158 of 8 bytes by task 32765 on cpu 1: update_hiwater_rss include/linux/mm.h:2657 [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+0xc2/0x310 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 0xffff888109bd8158 of 8 bytes by task 32767 on cpu 0: get_mm_hiwater_rss include/linux/mm.h:2644 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2674 [inline] getrusage+0xa52/0xbb0 kernel/sys.c:1906 io_sq_thread+0x5dd/0x1190 io_uring/sqpoll.c:320 ret_from_fork+0xda/0x150 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 value changed: 0x00000000000014eb -> 0x00000000000016b5 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 32767 Comm: iou-sqp-32765 Not tainted syzkaller #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 ==================================================================