===================================================== 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:343 profile_hit include/linux/profile.h:58 [inline] profile_tick+0x1ca/0x1d0 kernel/profile.c:343 tick_sched_handle kernel/time/tick-sched.c:244 [inline] tick_sched_timer+0x5e4/0x700 kernel/time/tick-sched.c:1480 __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+0x1b/0x20 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x2f/0x50 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:404 [inline] __alloc_pages_bulk+0x1cdc/0x2690 mm/page_alloc.c:5468 alloc_pages_bulk_array_mempolicy+0xf7a/0x1250 mm/mempolicy.c:2365 vm_area_alloc_pages mm/vmalloc.c:2946 [inline] __vmalloc_area_node mm/vmalloc.c:3042 [inline] __vmalloc_node_range+0xad6/0x2700 mm/vmalloc.c:3212 __vmalloc_node mm/vmalloc.c:3277 [inline] vzalloc+0x8c/0xa0 mm/vmalloc.c:3350 profile_init+0x3e5/0x470 kernel/profile.c:135 profiling_store+0xb3/0x1c0 kernel/ksysfs.c:79 kobj_attr_store+0x6c/0xc0 lib/kobject.c:824 sysfs_kf_write+0x193/0x240 fs/sysfs/file.c:136 kernfs_fop_write_iter+0x51b/0x910 fs/kernfs/file.c:354 call_write_iter include/linux/fs.h:2187 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x830/0x1570 fs/read_write.c:578 ksys_write+0x21b/0x4e0 fs/read_write.c:631 __do_sys_write fs/read_write.c:643 [inline] __se_sys_write fs/read_write.c:640 [inline] __x64_sys_write+0x8f/0xd0 fs/read_write.c:640 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+0x63/0xcd Local variable tmp created at: number+0x75/0x1ff0 lib/vsprintf.c:458 vsnprintf+0x1d0a/0x29a0 lib/vsprintf.c:2848 CPU: 1 PID: 23693 Comm: syz-executor.4 Not tainted 6.0.0-rc5-syzkaller-48539-g523d2ce66d07 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2022 =====================================================