================================================================== BUG: KCSAN: data-race in copy_process / release_task write to 0xffffffff8927a410 of 4 bytes by task 8649 on cpu 1: __unhash_process kernel/exit.c:73 [inline] __exit_signal kernel/exit.c:147 [inline] release_task+0x6c8/0xb90 kernel/exit.c:198 wait_task_zombie kernel/exit.c:1088 [inline] wait_consider_task+0x104f/0x18c0 kernel/exit.c:1315 do_wait_thread kernel/exit.c:1378 [inline] do_wait+0x1b1/0x4e0 kernel/exit.c:1449 kernel_wait4+0x13c/0x1a0 kernel/exit.c:1621 __do_sys_wait4 kernel/exit.c:1633 [inline] __se_sys_wait4 kernel/exit.c:1629 [inline] __x64_sys_wait4+0x7a/0x100 kernel/exit.c:1629 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffffffff8927a410 of 4 bytes by task 5120 on cpu 0: copy_process+0xac4/0x3300 kernel/fork.c:1980 _do_fork+0xf1/0x660 kernel/fork.c:2443 __do_sys_clone kernel/fork.c:2599 [inline] __se_sys_clone kernel/fork.c:2580 [inline] __x64_sys_clone+0xfb/0x120 kernel/fork.c:2580 do_syscall_64+0x51/0xb0 arch/x86/entry/common.c:359 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 5120 Comm: syz-executor.2 Not tainted 5.8.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================