handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault mm/memory.c:6455 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624 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 page last free pid 9805 tgid 9805 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 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: 1 UID: 0 PID: 9825 Comm: syz.1.1096 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: 5b c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 9c 85 27 ff 90 0f 0b e8 54 5b c5 ff 4c 89 e7 48 c7 c6 80 9a d7 8b e8 85 85 27 ff 90 <0f> 0b e8 3d 5b c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 6e 85 27 ff RSP: 0018:ffffc9000458f1e0 EFLAGS: 00010246 RAX: 5f8e4092ad576700 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e0108cf RDI: 00000000ffffffff RBP: ffffc9000458f360 R08: ffffffff903399b7 R09: 1ffffffff2067336 R10: dffffc0000000000 R11: fffffbfff2067337 R12: ffffea000182cb00 R13: dffffc0000000000 R14: ffffea000182cb08 R15: 0000000000000004 FS: 00007f37289f16c0(0000) GS:ffff88812510b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f7884430e9c CR3: 000000005191a000 CR4: 00000000003526f0 Call Trace: filemap_add_folio+0x264/0x530 mm/filemap.c:966 ra_alloc_folio mm/readahead.c:456 [inline] page_cache_ra_order+0x6b5/0xeb0 mm/readahead.c:515 do_sync_mmap_readahead+0x6ad/0x8e0 mm/filemap.c:3405 filemap_fault+0x6e2/0x1320 mm/filemap.c:3554 __do_fault+0x138/0x390 mm/memory.c:5364 do_cow_fault mm/memory.c:5829 [inline] do_fault mm/memory.c:5935 [inline] do_pte_missing+0x1006/0x3750 mm/memory.c:4477 handle_pte_fault mm/memory.c:6317 [inline] __handle_mm_fault mm/memory.c:6455 [inline] handle_mm_fault+0x1bec/0x3310 mm/memory.c:6624 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: 0033:0x7f3727b9bf79 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:00007f37289f1028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 RAX: ffffffffffffffda RBX: 00007f3727e16090 RCX: 00007f3727b9bf79 RDX: 0000000002000007 RSI: 0000000000003000 RDI: 0000200000888000 RBP: 00007f3727c327e0 R08: 0000000000000009 R09: 0000000000000000 R10: 0000000004002012 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3727e16128 R14: 00007f3727e16090 R15: 00007ffeac85a328 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__filemap_add_folio+0x11bc/0x1350 mm/filemap.c:858 Code: 5b c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 9c 85 27 ff 90 0f 0b e8 54 5b c5 ff 4c 89 e7 48 c7 c6 80 9a d7 8b e8 85 85 27 ff 90 <0f> 0b e8 3d 5b c5 ff 4c 89 e7 48 c7 c6 e0 a5 d7 8b e8 6e 85 27 ff RSP: 0018:ffffc9000458f1e0 EFLAGS: 00010246 RAX: 5f8e4092ad576700 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000007 RSI: ffffffff8e0108cf RDI: 00000000ffffffff RBP: ffffc9000458f360 R08: ffffffff903399b7 R09: 1ffffffff2067336 R10: dffffc0000000000 R11: fffffbfff2067337 R12: ffffea000182cb00 R13: dffffc0000000000 R14: ffffea000182cb08 R15: 0000000000000004 FS: 00007f37289f16c0(0000) GS:ffff88812510b000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbd56be7198 CR3: 000000005191a000 CR4: 00000000003526f0