================================================================== BUG: KCSAN: data-race in exec_mmap / vms_clear_ptes write to 0xffff888104012ae8 of 8 bytes by task 3006 on cpu 0: 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 0xffff888104012ae8 of 8 bytes by task 3598 on cpu 1: get_mm_hiwater_rss include/linux/mm.h:2642 [inline] setmax_mm_hiwater_rss include/linux/mm.h:2672 [inline] exec_mmap+0x2d0/0x440 fs/exec.c:1012 begin_new_exec+0xaf9/0x10b0 fs/exec.c:1280 load_elf_binary+0x63b/0x19e0 fs/binfmt_elf.c:996 search_binary_handler fs/exec.c:1752 [inline] exec_binprm fs/exec.c:1794 [inline] bprm_execve+0x4e6/0xc30 fs/exec.c:1845 do_execveat_common+0x793/0x800 fs/exec.c:1952 do_execve fs/exec.c:2026 [inline] __do_sys_execve fs/exec.c:2102 [inline] __se_sys_execve fs/exec.c:2097 [inline] __x64_sys_execve+0x5a/0x70 fs/exec.c:2097 x64_sys_call+0x1277/0x2d60 arch/x86/include/generated/asm/syscalls_64.h:60 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 value changed: 0x0000000000000228 -> 0x0000000000000248 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 3598 Comm: dhcpcd Not tainted 6.11.0-syzkaller-11993-g3efc57369a0c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 ==================================================================