================================================================== BUG: KCSAN: data-race in getrusage / vms_clear_ptes write to 0xffff88810aeb86f0 of 8 bytes by task 17966 on cpu 1: update_hiwater_rss include/linux/mm.h:2631 [inline] vms_clear_ptes+0x18f/0x2d0 mm/vma.c:1236 vms_complete_munmap_vmas+0x159/0x440 mm/vma.c:1286 do_vmi_align_munmap+0x383/0x3d0 mm/vma.c:1545 do_vmi_munmap+0x1db/0x220 mm/vma.c:1593 __vm_munmap+0x1a1/0x280 mm/vma.c:3122 __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 0xffff88810aeb86f0 of 8 bytes by task 17967 on cpu 0: 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/0x1110 io_uring/sqpoll.c:310 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: 0x00000000000014ea -> 0x00000000000019f4 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 17967 Comm: iou-sqp-17966 Not tainted 6.16.0-rc1-syzkaller-00203-g4774cfe3543a #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 ==================================================================