reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1395 [inline] free_unref_folios+0xd22/0x1470 mm/page_alloc.c:3000 folios_put_refs+0x584/0x670 mm/swap.c:1002 free_pages_and_swap_cache+0x4be/0x520 mm/swap_state.c:358 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:397 [inline] tlb_flush_mmu+0x3a0/0x680 mm/mmu_gather.c:404 tlb_finish_mmu+0xc3/0x1d0 mm/mmu_gather.c:497 vms_clear_ptes+0x42b/0x530 mm/vma.c:1238 vms_complete_munmap_vmas+0x206/0x8a0 mm/vma.c:1280 do_vmi_align_munmap+0x364/0x440 mm/vma.c:1539 do_vmi_munmap+0x253/0x2e0 mm/vma.c:1587 __vm_munmap+0x207/0x380 mm/vma.c:3197 __do_sys_munmap mm/mmap.c:1077 [inline] __se_sys_munmap mm/mmap.c:1074 [inline] __x64_sys_munmap+0x60/0x70 mm/mmap.c:1074 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f ------------[ cut here ]------------ kernel BUG at mm/filemap.c:1531! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 7367 Comm: syz.2.415 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531 Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d526888 EFLAGS: 00010246 RAX: b17919bed153bb00 RBX: ffffea00013f19c0 RCX: b17919bed153bb00 RDX: 0000000000000003 RSI: ffffffff8d974ed5 RDI: ffff88802e551e80 RBP: 0000000000000001 R08: ffff8880b8724493 R09: 1ffff110170e4892 R10: dffffc0000000000 R11: ffffed10170e4893 R12: 1ffffd400027e339 R13: 1ffffd400027e338 R14: ffffea00013f19c8 R15: 0000000000000008 FS: 00007f86f6df06c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31500ff8 CR3: 000000007677a000 CR4: 00000000003526f0 Call Trace: iomap_read_folio+0x373/0x580 fs/iomap/buffered-io.c:578 iomap_bio_read_folio include/linux/iomap.h:598 [inline] xfs_vm_read_folio+0x9e/0xe0 fs/xfs/xfs_aops.c:745 filemap_read_folio+0x117/0x380 mm/filemap.c:2496 filemap_fault+0xbce/0x12b0 mm/filemap.c:3641 __do_fault+0x138/0x390 mm/memory.c:5318 do_shared_fault mm/memory.c:5817 [inline] do_fault mm/memory.c:5891 [inline] do_pte_missing+0x6ad/0x3380 mm/memory.c:4399 handle_pte_fault mm/memory.c:6232 [inline] __handle_mm_fault mm/memory.c:6379 [inline] handle_mm_fault+0x1b26/0x32a0 mm/memory.c:6548 faultin_page mm/gup.c:1126 [inline] __get_user_pages+0x1650/0x29f0 mm/gup.c:1428 __get_user_pages_locked mm/gup.c:1692 [inline] __gup_longterm_locked+0xde4/0x1660 mm/gup.c:2476 gup_fast_fallback+0x1d6b/0x22d0 mm/gup.c:3220 iov_iter_extract_user_pages lib/iov_iter.c:1751 [inline] iov_iter_extract_pages+0x35f/0x5e0 lib/iov_iter.c:1814 __bio_iov_iter_get_pages block/bio.c:1235 [inline] bio_iov_iter_get_pages+0x499/0x1490 block/bio.c:1357 iomap_dio_bio_iter+0xcdc/0x14c0 fs/iomap/direct-io.c:460 iomap_dio_iter fs/iomap/direct-io.c:-1 [inline] __iomap_dio_rw+0xec2/0x1dc0 fs/iomap/direct-io.c:753 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:847 xfs_file_dio_read+0x231/0x410 fs/xfs/xfs_file.c:245 xfs_file_read_iter+0x2b7/0x510 fs/xfs/xfs_file.c:310 new_sync_read fs/read_write.c:491 [inline] vfs_read+0x55a/0xa30 fs/read_write.c:572 ksys_read+0x145/0x250 fs/read_write.c:715 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f86f5f8f6c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f86f6df0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f86f61e5fa0 RCX: 00007f86f5f8f6c9 RDX: 0000000000001000 RSI: 0000200000001400 RDI: 0000000000000004 RBP: 00007f86f6011f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f86f61e6038 R14: 00007f86f61e5fa0 R15: 00007ffd5ac2c188 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:folio_end_read+0x22e/0x230 mm/filemap.c:1531 Code: 54 c7 ff 48 89 df 48 c7 c6 80 84 74 8b e8 8a 89 2d ff 90 0f 0b e8 92 54 c7 ff 48 89 df 48 c7 c6 e0 7c 74 8b e8 73 89 2d ff 90 <0f> 0b 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa RSP: 0018:ffffc9000d526888 EFLAGS: 00010246 RAX: b17919bed153bb00 RBX: ffffea00013f19c0 RCX: b17919bed153bb00 RDX: 0000000000000003 RSI: ffffffff8d974ed5 RDI: ffff88802e551e80 RBP: 0000000000000001 R08: ffff8880b8724493 R09: 1ffff110170e4892 R10: dffffc0000000000 R11: ffffed10170e4893 R12: 1ffffd400027e339 R13: 1ffffd400027e338 R14: ffffea00013f19c8 R15: 0000000000000008 FS: 00007f86f6df06c0(0000) GS:ffff888125fbc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31500ff8 CR3: 000000007677a000 CR4: 00000000003526f0