=====================================================
BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:58 [inline]
BUG: KMSAN: uninit-value in profile_tick+0x1a8/0x1b0 kernel/profile.c:339
 profile_hit include/linux/profile.h:58 [inline]
 profile_tick+0x1a8/0x1b0 kernel/profile.c:339
 tick_sched_handle kernel/time/tick-sched.c:255 [inline]
 tick_sched_timer+0x595/0x690 kernel/time/tick-sched.c:1492
 __run_hrtimer kernel/time/hrtimer.c:1685 [inline]
 __hrtimer_run_queues+0x570/0x1110 kernel/time/hrtimer.c:1749
 hrtimer_interrupt+0x47b/0x14a0 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0xcd/0x480 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x75/0x90 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:645
 atomic_add_return_acquire include/linux/atomic/atomic-instrumented.h:72 [inline]
 queued_read_lock include/asm-generic/qrwlock.h:82 [inline]
 __raw_read_lock include/linux/rwlock_api_smp.h:151 [inline]
 _raw_read_lock+0x3f/0x60 kernel/locking/spinlock.c:228
 ptrace_check_attach+0x30/0x5f0 kernel/ptrace.c:261
 __do_sys_ptrace kernel/ptrace.c:1300 [inline]
 __se_sys_ptrace+0x269/0x750 kernel/ptrace.c:1278
 __x64_sys_ptrace+0xbd/0x110 kernel/ptrace.c:1278
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Local variable heads created at:
 __run_timers+0x43/0xf60 kernel/time/timer.c:1997
 run_timer_softirq+0x3a/0x40 kernel/time/timer.c:2037

CPU: 1 PID: 4957 Comm: strace-static-x Not tainted 6.4.0-syzkaller-g257152fe29be #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/27/2023
=====================================================