handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1178/0x32a0 mm/gup.c:1428 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860 __mm_populate+0x107/0x3a0 mm/gup.c:1963 page last free pid 15 tgid 15 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1406 [inline] __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950 __pagetable_free include/linux/mm.h:3695 [inline] pagetable_free include/linux/mm.h:3719 [inline] pagetable_dtor_free include/linux/mm.h:3818 [inline] __tlb_remove_table include/asm-generic/tlb.h:221 [inline] __tlb_remove_table_free mm/mmu_gather.c:228 [inline] tlb_remove_table_rcu+0x2cf/0x380 mm/mmu_gather.c:291 rcu_do_batch kernel/rcu/tree.c:2645 [inline] rcu_core+0x5a2/0x10d0 kernel/rcu/tree.c:2897 handle_softirqs+0x1ea/0x9b0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x162/0x210 kernel/softirq.c:735 irq_exit_rcu+0x9/0x30 kernel/softirq.c:752 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:858! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 9080 Comm: syz.1.442 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026 RIP: 0010:__filemap_add_folio+0xfc2/0x12a0 mm/filemap.c:858 Code: 3d c2 ff 48 c7 c6 e0 89 dd 8b 4c 89 ef e8 e6 ed 12 00 90 0f 0b e8 9e 3d c2 ff 48 c7 c6 40 8a dd 8b 4c 89 ef e8 cf ed 12 00 90 <0f> 0b e8 87 3d c2 ff 48 c7 c6 c0 8a dd 8b 4c 89 ef e8 b8 ed 12 00 RSP: 0018:ffffc9000864f3f8 EFLAGS: 00010283 RAX: 000000000004acfd RBX: 0000000000112cc0 RCX: ffffc900129f2000 RDX: 0000000000080000 RSI: ffffffff825a5d28 RDI: ffff88802a3742c4 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004 R13: ffffea0001aad000 R14: 0000000000000040 R15: 0000000000000000 FS: 00007fd352a496c0(0000) GS:ffff888123de3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b34810ff8 CR3: 00000000316b0000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0x1d3/0x630 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:470 [inline] page_cache_ra_order+0x602/0xed0 mm/readahead.c:535 do_sync_mmap_readahead mm/filemap.c:3428 [inline] filemap_fault+0x1943/0x3130 mm/filemap.c:3582 __do_fault+0x10b/0x440 mm/memory.c:5425 do_cow_fault mm/memory.c:5890 [inline] do_fault+0xeb2/0x1750 mm/memory.c:5996 do_pte_missing mm/memory.c:4566 [inline] handle_pte_fault mm/memory.c:6379 [inline] __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6517 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1178/0x32a0 mm/gup.c:1428 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860 __mm_populate+0x107/0x3a0 mm/gup.c:1963 mm_populate include/linux/mm.h:4171 [inline] vm_mmap_pgoff+0x37f/0x470 mm/util.c:586 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:606 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x115/0x840 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd351b9de99 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd352a49028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007fd351e26450 RCX: 00007fd351b9de99 RDX: 0000000000000ffb RSI: 0000000000810004 RDI: 0000000000000000 RBP: 00007fd351c33eaf R08: 0000000000000005 R09: 0000000000008000 R10: 0008000000008012 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd351e264e8 R14: 00007fd351e26450 R15: 00007ffd5e9660e8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0xfc2/0x12a0 mm/filemap.c:858 Code: 3d c2 ff 48 c7 c6 e0 89 dd 8b 4c 89 ef e8 e6 ed 12 00 90 0f 0b e8 9e 3d c2 ff 48 c7 c6 40 8a dd 8b 4c 89 ef e8 cf ed 12 00 90 <0f> 0b e8 87 3d c2 ff 48 c7 c6 c0 8a dd 8b 4c 89 ef e8 b8 ed 12 00 RSP: 0018:ffffc9000864f3f8 EFLAGS: 00010283 RAX: 000000000004acfd RBX: 0000000000112cc0 RCX: ffffc900129f2000 RDX: 0000000000080000 RSI: ffffffff825a5d28 RDI: ffff88802a3742c4 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004 R13: ffffea0001aad000 R14: 0000000000000040 R15: 0000000000000000 FS: 00007fd352a496c0(0000) GS:ffff888123de3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000090e000 CR3: 00000000316b0000 CR4: 00000000003526f0