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BUG: KMSAN: uninit-value in profile_hit include/linux/profile.h:53 [inline]
BUG: KMSAN: uninit-value in profile_tick+0x1ae/0x1b0 kernel/profile.c:339
 profile_hit include/linux/profile.h:53 [inline]
 profile_tick+0x1ae/0x1b0 kernel/profile.c:339
 tick_sched_handle kernel/time/tick-sched.c:277 [inline]
 tick_nohz_handler+0x588/0x690 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1687 [inline]
 __hrtimer_run_queues+0x56f/0xe40 kernel/time/hrtimer.c:1751
 hrtimer_interrupt+0x3ab/0x1490 kernel/time/hrtimer.c:1813
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline]
 __sysvec_apic_timer_interrupt+0xa6/0x3a0 arch/x86/kernel/apic/apic.c:1049
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline]
 sysvec_apic_timer_interrupt+0x7e/0x90 arch/x86/kernel/apic/apic.c:1043
 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702
 __preempt_count_dec_and_test arch/x86/include/asm/preempt.h:94 [inline]
 __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
 _raw_spin_unlock_irq+0x25/0x50 kernel/locking/spinlock.c:202
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 shmem_add_to_page_cache+0xa09/0xd70 mm/shmem.c:799
 shmem_alloc_and_add_folio+0x8cf/0x1100 mm/shmem.c:1689
 shmem_get_folio_gfp+0x9ae/0x21a0 mm/shmem.c:2055
 shmem_fault+0x1eb/0x690 mm/shmem.c:2255
 __do_fault+0x1f2/0x620 mm/memory.c:4531
 do_read_fault mm/memory.c:4894 [inline]
 do_fault mm/memory.c:5024 [inline]
 do_pte_missing mm/memory.c:3880 [inline]
 handle_pte_fault mm/memory.c:5300 [inline]
 __handle_mm_fault mm/memory.c:5441 [inline]
 handle_mm_fault+0x665b/0xce10 mm/memory.c:5606
 faultin_page mm/gup.c:958 [inline]
 __get_user_pages+0xa59/0x2c20 mm/gup.c:1257
 populate_vma_page_range mm/gup.c:1697 [inline]
 __mm_populate+0x5f8/0x990 mm/gup.c:1800
 mm_populate include/linux/mm.h:3413 [inline]
 vm_mmap_pgoff+0x351/0x4e0 mm/util.c:578
 ksys_mmap_pgoff+0x16e/0x7a0 mm/mmap.c:1433
 __do_sys_mmap_pgoff mm/mmap.c:1444 [inline]
 __se_sys_mmap_pgoff mm/mmap.c:1440 [inline]
 __ia32_sys_mmap_pgoff+0x11d/0x1a0 mm/mmap.c:1440
 ia32_sys_call+0x3d8e/0x40a0 arch/x86/include/generated/asm/syscalls_32.h:193
 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline]
 __do_fast_syscall_32+0xb4/0x120 arch/x86/entry/common.c:386
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/common.c:411
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/common.c:449
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable warn created at:
 __dquot_alloc_space+0x4e/0x18c0 fs/quota/dquot.c:1684
 dquot_alloc_space_nodirty include/linux/quotaops.h:299 [inline]
 dquot_alloc_block_nodirty include/linux/quotaops.h:326 [inline]
 shmem_inode_acct_blocks+0x3c4/0x5c0 mm/shmem.c:231

CPU: 0 PID: 10572 Comm: syz-executor.3 Not tainted 6.9.0-syzkaller-02339-g101b7a97143a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
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