================================================================== BUG: KCSAN: data-race in getrusage / vms_clear_ptes write to 0xffff888103eef9f0 of 8 bytes by task 31793 on cpu 0: update_hiwater_rss include/linux/mm.h:2631 [inline] vms_clear_ptes+0x18f/0x2d0 mm/vma.c:1222 vms_complete_munmap_vmas+0x159/0x440 mm/vma.c:1272 do_vmi_align_munmap+0x383/0x3d0 mm/vma.c:1531 do_vmi_munmap+0x1db/0x220 mm/vma.c:1579 __vm_munmap+0x1a1/0x280 mm/vma.c:3108 __do_sys_munmap mm/mmap.c:1084 [inline] __se_sys_munmap mm/mmap.c:1081 [inline] __x64_sys_munmap+0x36/0x50 mm/mmap.c:1081 x64_sys_call+0xa65/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:12 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 0xffff888103eef9f0 of 8 bytes by task 31810 on cpu 1: get_mm_hiwater_rss include/linux/mm.h:2618 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2648 [inline] getrusage+0xa52/0xbb0 kernel/sys.c:1877 io_sq_thread+0x5dd/0x1180 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: 0x00000000000014f4 -> 0x00000000000016be Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 31810 Comm: iou-sqp-31809 Not tainted 6.16.0-rc2-syzkaller-00269-g11313e2f7812 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ==================================================================