KCSAN: data-race in do_timer_create / do_timer

Kernel	Title	Rank 🛈	Count	Last	Reported	Patched	Status
upstream	KCSAN: data-race in do_timer_create / do_timer_create kernel	6	1	1809d	1809d	0/29	auto-closed as invalid on 2021/06/14 21:07
upstream	KCSAN: data-race in do_timer_create / do_timer_create (3) kernel	6	2	1635d	1640d	0/29	auto-closed as invalid on 2021/12/05 03:50
upstream	KCSAN: data-race in do_timer_create / do_timer_create (8) kernel	6	9	1067d	1098d	23/29	fixed on 2023/09/28 17:51
upstream	KCSAN: data-race in do_timer_create / do_timer_create (2) kernel	6	1	1765d	1765d	0/29	auto-closed as invalid on 2021/07/28 07:48
upstream	KCSAN: data-race in do_timer_create / do_timer_create (6) kernel	6	1	1305d	1305d	0/29	auto-obsoleted due to no activity on 2022/10/31 13:32
upstream	KCSAN: data-race in do_timer_create / do_timer_create (5) kernel	6	10	1359d	1464d	0/29	auto-closed as invalid on 2022/09/07 15:06
upstream	KCSAN: data-race in do_timer_create / do_timer_create (4) kernel	6	18	1503d	1591d	0/29	auto-closed as invalid on 2022/04/16 01:14

================================================================== BUG: KCSAN: data-race in do_timer_create / do_timer_create write to 0xffff888100cabbc4 of 4 bytes by task 29405 on cpu 0: do_timer_create+0x359/0xa90 kernel/time/posix-timers.c:516 __se_sys_timer_create kernel/time/posix-timers.c:577 [inline] __x64_sys_timer_create+0xb7/0xe0 kernel/time/posix-timers.c:577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd read to 0xffff888100cabbc4 of 4 bytes by task 29404 on cpu 1: posix_timer_add kernel/time/posix-timers.c:143 [inline] do_timer_create+0x1c0/0xa90 kernel/time/posix-timers.c:516 __se_sys_timer_create kernel/time/posix-timers.c:577 [inline] __x64_sys_timer_create+0xb7/0xe0 kernel/time/posix-timers.c:577 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x0000001a -> 0x0000001f Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 29404 Comm: syz-executor.5 Not tainted 6.1.0-rc4-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 ==================================================================