================================================================== BUG: KCSAN: data-race in copy_process / task_dump_owner read-write to 0xffff88802770102c of 4 bytes by task 5081 on cpu 0: copy_process+0x5a9/0x2da0 kernel/fork.c:1973 kernel_clone+0x14b/0x680 kernel/fork.c:2464 __do_sys_clone kernel/fork.c:2581 [inline] __se_sys_clone kernel/fork.c:2565 [inline] __x64_sys_clone+0xc8/0xf0 kernel/fork.c:2565 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88802770102c of 4 bytes by task 5085 on cpu 1: task_dump_owner+0x2b/0x1b0 fs/proc/base.c:1823 pid_update_inode fs/proc/base.c:1965 [inline] pid_revalidate+0x69/0x110 fs/proc/base.c:1988 lookup_fast+0x208/0x370 fs/namei.c:768 walk_component+0x5c/0x350 fs/namei.c:1857 link_path_walk+0x471/0x730 fs/namei.c:2182 path_openat+0x19f/0x20a0 fs/namei.c:3367 do_filp_open+0xbd/0x1d0 fs/namei.c:3398 do_sys_openat2+0xa3/0x240 fs/open.c:1172 do_sys_open fs/open.c:1188 [inline] __do_sys_open fs/open.c:1196 [inline] __se_sys_open fs/open.c:1192 [inline] __x64_sys_open+0xe2/0x110 fs/open.c:1192 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 5085 Comm: syz-executor.2 Not tainted 5.11.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================