=====================================================
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:256 [inline]
 tick_nohz_highres_handler+0x595/0x690 kernel/time/tick-sched.c:1516
 __run_hrtimer kernel/time/hrtimer.c:1688 [inline]
 __hrtimer_run_queues+0x570/0x1110 kernel/time/hrtimer.c:1752
 hrtimer_interrupt+0x47b/0x14a0 kernel/time/hrtimer.c:1814
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1065 [inline]
 __sysvec_apic_timer_interrupt+0x9f/0x390 arch/x86/kernel/apic/apic.c:1082
 sysvec_apic_timer_interrupt+0x75/0x90 arch/x86/kernel/apic/apic.c:1076
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:649
 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:95 [inline]
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x33/0x60 kernel/locking/spinlock.c:194
 task_rq_unlock kernel/sched/sched.h:1635 [inline]
 wait_task_inactive+0x318/0x670 kernel/sched/core.c:2320
 ptrace_check_attach+0x51d/0x5f0 kernel/ptrace.c:273
 __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:52 [inline]
 do_syscall_64+0x44/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

Local variable iovstack_r created at:
 process_vm_rw+0x77/0x1a60 mm/process_vm_access.c:261
 __do_sys_process_vm_readv mm/process_vm_access.c:295 [inline]
 __se_sys_process_vm_readv mm/process_vm_access.c:291 [inline]
 __x64_sys_process_vm_readv+0x11f/0x1a0 mm/process_vm_access.c:291

CPU: 1 PID: 5003 Comm: strace-static-x Not tainted 6.7.0-rc4-syzkaller-00358-gf2e8a57ee903 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
=====================================================