================================================================== BUG: KCSAN: data-race in getrusage / vms_clear_ptes write to 0xffff88810458b568 of 8 bytes by task 18347 on cpu 1: update_hiwater_rss include/linux/mm.h:2655 [inline] vms_clear_ptes+0x1a7/0x300 mm/vma.c:1088 vms_complete_munmap_vmas+0x170/0x480 mm/vma.c:1140 do_vmi_align_munmap+0x349/0x390 mm/vma.c:1349 do_vmi_munmap+0x1eb/0x230 mm/vma.c:1397 __vm_munmap+0xfd/0x220 mm/mmap.c:1600 __do_sys_munmap mm/mmap.c:1617 [inline] __se_sys_munmap mm/mmap.c:1614 [inline] __x64_sys_munmap+0x36/0x40 mm/mmap.c:1614 x64_sys_call+0xd32/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:12 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffff88810458b568 of 8 bytes by task 18348 on cpu 0: get_mm_hiwater_rss include/linux/mm.h:2642 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2672 [inline] getrusage+0xa35/0xb90 kernel/sys.c:1870 io_sq_thread+0x539/0x1000 io_uring/sqpoll.c:313 ret_from_fork+0x4b/0x60 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 value changed: 0x0000000000000fc1 -> 0x00000000000010a1 Reported by Kernel Concurrency Sanitizer on: CPU: 0 UID: 0 PID: 18348 Comm: iou-sqp-18347 Tainted: G W 6.12.0-rc3-syzkaller-00007-g6485cf5ea253 #0 Tainted: [W]=WARN Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================