================================================================== BUG: KCSAN: data-race in do_timer_create / do_timer_create write to 0xffff8881025380c4 of 4 bytes by task 18132 on cpu 1: 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+0x44/0xae read to 0xffff8881025380c4 of 4 bytes by task 18133 on cpu 0: 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+0x44/0xae value changed: 0x00000005 -> 0x00000006 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 18133 Comm: syz-executor.2 Not tainted 5.18.0-rc3-syzkaller-00007-g559089e0a93d-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================