populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860 __mm_populate+0x25f/0x390 mm/gup.c:1963 page last free pid 5187 tgid 5187 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1432 [inline] __free_frozen_pages+0xc01/0xd80 mm/page_alloc.c:2972 __tlb_remove_table_free mm/mmu_gather.c:227 [inline] tlb_remove_table_rcu+0x85/0x100 mm/mmu_gather.c:290 rcu_do_batch kernel/rcu/tree.c:2617 [inline] rcu_core+0x7cd/0x1070 kernel/rcu/tree.c:2869 handle_softirqs+0x22a/0x870 kernel/softirq.c:626 __do_softirq kernel/softirq.c:660 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:727 irq_exit_rcu+0x9/0x30 kernel/softirq.c:743 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 ------------[ cut here ]------------ kernel BUG at mm/filemap.c:859! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 17149 Comm: syz.6.4198 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: a9 c5 ff 4c 89 e7 48 c7 c6 60 a5 d7 8b e8 fc d8 27 ff 90 0f 0b e8 f4 a8 c5 ff 4c 89 e7 48 c7 c6 00 9a d7 8b e8 e5 d8 27 ff 90 <0f> 0b e8 dd a8 c5 ff 4c 89 e7 48 c7 c6 60 a5 d7 8b e8 ce d8 27 ff RSP: 0018:ffffc90012e27200 EFLAGS: 00010246 RAX: 945f203974e11800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e004759 RDI: 00000000ffffffff RBP: ffffc90012e27368 R08: ffffffff90330fb7 R09: 1ffffffff20661f6 R10: dffffc0000000000 R11: fffffbfff20661f7 R12: ffffea0000b0d7c0 R13: dffffc0000000000 R14: ffffea0000b0d7c8 R15: 0000000000000004 FS: 00007f0c0ba1c6c0(0000) GS:ffff88812501e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f74df06e32b CR3: 00000000568ea000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0x264/0x530 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:453 [inline] page_cache_ra_order+0x6d4/0xf50 mm/readahead.c:512 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3400 filemap_fault+0x6e2/0x1320 mm/filemap.c:3549 __do_fault+0x138/0x390 mm/memory.c:5365 do_cow_fault mm/memory.c:5830 [inline] do_fault mm/memory.c:5936 [inline] do_pte_missing+0x1006/0x3750 mm/memory.c:4479 handle_pte_fault mm/memory.c:6318 [inline] __handle_mm_fault mm/memory.c:6456 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6625 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x165b/0x29d0 mm/gup.c:1428 populate_vma_page_range+0x2be/0x3c0 mm/gup.c:1860 __mm_populate+0x25f/0x390 mm/gup.c:1963 mm_populate include/linux/mm.h:3899 [inline] vm_mmap_pgoff+0x3aa/0x4f0 mm/util.c:586 ksys_mmap_pgoff+0x51e/0x760 mm/mmap.c:605 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f0c0ab9aeb9 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:00007f0c0ba1c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f0c0ae16090 RCX: 00007f0c0ab9aeb9 RDX: 0000000002000007 RSI: 0000000000003000 RDI: 0000200000888000 RBP: 00007f0c0ac08c1f R08: 0000000000000004 R09: 0000000000000000 R10: 0000000004002012 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0c0ae16128 R14: 00007f0c0ae16090 R15: 00007ffe6e6c0018 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: a9 c5 ff 4c 89 e7 48 c7 c6 60 a5 d7 8b e8 fc d8 27 ff 90 0f 0b e8 f4 a8 c5 ff 4c 89 e7 48 c7 c6 00 9a d7 8b e8 e5 d8 27 ff 90 <0f> 0b e8 dd a8 c5 ff 4c 89 e7 48 c7 c6 60 a5 d7 8b e8 ce d8 27 ff RSP: 0018:ffffc90012e27200 EFLAGS: 00010246 RAX: 945f203974e11800 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e004759 RDI: 00000000ffffffff RBP: ffffc90012e27368 R08: ffffffff90330fb7 R09: 1ffffffff20661f6 R10: dffffc0000000000 R11: fffffbfff20661f7 R12: ffffea0000b0d7c0 R13: dffffc0000000000 R14: ffffea0000b0d7c8 R15: 0000000000000004 FS: 00007f0c0ba1c6c0(0000) GS:ffff88812501e000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd5b71e1198 CR3: 00000000568ea000 CR4: 00000000003526f0