================================================================== BUG: KCSAN: data-race in acct_collect / do_exit write to 0xffff888107dfa61c of 4 bytes by task 15558 on cpu 1: reparent_leader kernel/exit.c:609 [inline] forget_original_parent kernel/exit.c:661 [inline] exit_notify kernel/exit.c:677 [inline] do_exit+0xabe/0x1720 kernel/exit.c:815 do_group_exit+0xa5/0x160 kernel/exit.c:925 get_signal+0xf54/0x1020 kernel/signal.c:2857 arch_do_signal_or_restart+0x87/0x2d0 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop+0x78/0x130 kernel/entry/common.c:166 exit_to_user_mode_prepare kernel/entry/common.c:201 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x6a/0x90 kernel/entry/common.c:294 do_syscall_64+0x37/0x70 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x46/0xb0 read to 0xffff888107dfa61c of 4 bytes by task 15588 on cpu 0: thread_group_leader include/linux/sched/signal.h:711 [inline] acct_collect+0x16a/0x3c0 kernel/acct.c:572 do_exit+0x4cd/0x1720 kernel/exit.c:774 do_group_exit+0xa5/0x160 kernel/exit.c:925 get_signal+0xf54/0x1020 kernel/signal.c:2857 arch_do_signal_or_restart+0x87/0x2d0 arch/x86/kernel/signal.c:869 exit_to_user_mode_loop+0x78/0x130 kernel/entry/common.c:166 exit_to_user_mode_prepare+0x69/0x90 kernel/entry/common.c:201 irqentry_exit_to_user_mode+0x5/0x10 kernel/entry/common.c:307 irqentry_exit+0xe/0x40 kernel/entry/common.c:408 asm_exc_page_fault+0x27/0x30 value changed: 0x00000000 -> 0x00000011 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 15588 Comm: syz-executor.1 Not tainted 5.19.0-rc3-syzkaller-00038-gca1fdab7fd27-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================