=====================================================
BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:58 [inline]
BUG: KMSAN: uninit-value in profile_tick+0x1ca/0x1d0 kernel/profile.c:336
 profile_hit include/linux/profile.h:58 [inline]
 profile_tick+0x1ca/0x1d0 kernel/profile.c:336
 tick_sched_handle kernel/time/tick-sched.c:244 [inline]
 tick_sched_timer+0x5e4/0x700 kernel/time/tick-sched.c:1481
 __run_hrtimer+0x298/0x910 kernel/time/hrtimer.c:1685
 __hrtimer_run_queues kernel/time/hrtimer.c:1749 [inline]
 hrtimer_interrupt+0x78d/0x1440 kernel/time/hrtimer.c:1811
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x14b/0x5b0 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x95/0xc0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x20/0x30
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
 _raw_spin_unlock_irqrestore+0x2f/0x50 kernel/locking/spinlock.c:194
 task_rq_unlock kernel/sched/sched.h:1579 [inline]
 wait_task_inactive+0x25a/0x560 kernel/sched/core.c:3321
 ptrace_check_attach+0x521/0x5f0 kernel/ptrace.c:272
 __do_sys_ptrace kernel/ptrace.c:1291 [inline]
 __se_sys_ptrace+0x276/0x780 kernel/ptrace.c:1269
 __x64_sys_ptrace+0xb9/0x110 kernel/ptrace.c:1269
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Local variable iovstack_r created at:
 process_vm_rw+0x88/0xf80 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+0x11b/0x1a0 mm/process_vm_access.c:291

CPU: 1 PID: 3486 Comm: strace-static-x Not tainted 5.19.0-rc3-syzkaller-30868-g4b28366af7d9 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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