================================================================== BUG: KCSAN: data-race in do_task_stat / handle_mm_fault write to 0xffff888122692670 of 8 bytes by task 11352 on cpu 1: mm_account_fault mm/memory.c:4550 [inline] handle_mm_fault+0x705/0x1a70 mm/memory.c:4614 do_user_addr_fault+0x60c/0xc00 arch/x86/mm/fault.c:1390 handle_page_fault arch/x86/mm/fault.c:1475 [inline] exc_page_fault+0x94/0x230 arch/x86/mm/fault.c:1531 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:577 read to 0xffff888122692670 of 8 bytes by task 1 on cpu 0: do_task_stat+0x5ed/0x10c0 fs/proc/array.c:535 proc_tgid_stat+0x2f/0x40 fs/proc/array.c:665 proc_single_show+0x84/0x100 fs/proc/base.c:774 seq_read_iter+0x2ef/0x910 fs/seq_file.c:227 seq_read+0x221/0x260 fs/seq_file.c:159 vfs_read+0x154/0x5d0 fs/read_write.c:494 ksys_read+0xce/0x180 fs/read_write.c:634 __do_sys_read fs/read_write.c:644 [inline] __se_sys_read fs/read_write.c:642 [inline] __x64_sys_read+0x3e/0x50 fs/read_write.c:642 do_syscall_64+0x4a/0x90 arch/x86/entry/common.c:47 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 1 Comm: systemd Tainted: G W 5.13.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================