================================================================== BUG: KCSAN: data-race in copy_process / task_dump_owner write to 0xffff8880a1c2702c of 4 bytes by task 8395 on cpu 0: copy_process+0x614/0x2e60 kernel/fork.c:1987 kernel_clone+0x14b/0x690 kernel/fork.c:2500 __do_sys_clone kernel/fork.c:2617 [inline] __se_sys_clone kernel/fork.c:2601 [inline] __x64_sys_clone+0xb4/0xe0 kernel/fork.c:2601 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8880a1c2702c of 4 bytes by task 8408 on cpu 1: task_dump_owner+0x2b/0x1b0 fs/proc/base.c:1822 pid_update_inode fs/proc/base.c:1964 [inline] pid_revalidate+0x69/0x110 fs/proc/base.c:1987 lookup_fast+0x1fd/0x350 fs/namei.c:823 open_last_lookups fs/namei.c:3258 [inline] path_openat+0x47e/0x21b0 fs/namei.c:3495 do_filp_open+0xbd/0x1d0 fs/namei.c:3525 do_sys_openat2+0xa3/0x250 fs/open.c:1187 do_sys_open fs/open.c:1203 [inline] __do_sys_openat fs/open.c:1219 [inline] __se_sys_openat fs/open.c:1214 [inline] __x64_sys_openat+0xef/0x110 fs/open.c:1214 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 8408 Comm: syz-executor.5 Tainted: G W 5.12.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================