KCSAN: data-race in do_group_exit / do_group

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in do_group_exit / do_group_exit kasan	6	1	2379d	2379d	0/29	closed as invalid on 2019/11/19 13:44
upstream	KCSAN: data-race in do_group_exit / do_group_exit (3) kasan	6	2	2162d	2193d	0/29	closed as invalid on 2020/06/18 14:24
upstream	KCSAN: data-race in do_group_exit / do_group_exit (4) kernel	6	6	2045d	2122d	0/29	auto-closed as invalid on 2020/10/28 04:41
upstream	KCSAN: data-race in do_group_exit / do_group_exit (5) kernel	6	2	1943d	1949d	0/29	auto-closed as invalid on 2021/02/07 13:19
upstream	KCSAN: data-race in do_group_exit / do_group_exit (8) kernel	6	1	1024d	1024d	0/29	auto-obsoleted due to no activity on 2023/08/15 00:36
upstream	KCSAN: data-race in do_group_exit / do_group_exit (2) kasan	6	4	2330d	2346d	0/29	auto-closed as invalid on 2020/02/20 16:37
upstream	KCSAN: data-race in do_group_exit / do_group_exit (9) kernel	6	1	984d	984d	0/29	auto-obsoleted due to no activity on 2023/09/23 23:34
upstream	KCSAN: data-race in do_group_exit / do_group_exit (6) kernel	6	12	1803d	1893d	0/29	auto-closed as invalid on 2021/06/27 02:37

================================================================== BUG: KCSAN: data-race in do_group_exit / do_group_exit write to 0xffff888116483634 of 4 bytes by task 15879 on cpu 0: do_group_exit+0x136/0x1a0 kernel/exit.c:916 __do_sys_exit_group+0xb/0x10 kernel/exit.c:933 __se_sys_exit_group+0x5/0x10 kernel/exit.c:931 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:931 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff888116483634 of 4 bytes by task 15886 on cpu 1: signal_group_exit include/linux/sched/signal.h:269 [inline] do_group_exit+0x51/0x1a0 kernel/exit.c:905 __do_sys_exit_group+0xb/0x10 kernel/exit.c:933 __se_sys_exit_group+0x5/0x10 kernel/exit.c:931 __x64_sys_exit_group+0x16/0x20 kernel/exit.c:931 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000002 -> 0x00000004 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 15886 Comm: syz-executor.4 Tainted: G W 5.15.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================