ntfs: (device loop0): ntfs_external_attr_find(): Base inode 0xa contains corrupt attribute list attribute. Unmount and run chkdsk. ntfs: (device loop0): ntfs_read_locked_inode(): Failed to lookup $DATA attribute. ntfs: (device loop0): ntfs_read_locked_inode(): Failed with error code -5. Marking corrupt inode 0xa as bad. Run chkdsk. ntfs: (device loop0): load_and_init_upcase(): Failed to load $UpCase from the volume. Using default. ================================================================== BUG: KASAN: use-after-free in ntfs_read_folio+0x9bc/0x29f0 fs/ntfs/aops.c:489 Read of size 1 at addr ffff88806c51717f by task syz-executor.0/5408 CPU: 0 PID: 5408 Comm: syz-executor.0 Not tainted 6.4.0-rc1-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/14/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 print_address_description mm/kasan/report.c:351 [inline] print_report+0x163/0x540 mm/kasan/report.c:462 kasan_report+0x176/0x1b0 mm/kasan/report.c:572 kasan_check_range+0x283/0x290 mm/kasan/generic.c:187 __asan_memcpy+0x29/0x70 mm/kasan/shadow.c:105 ntfs_read_folio+0x9bc/0x29f0 fs/ntfs/aops.c:489 filemap_read_folio+0x19d/0x7a0 mm/filemap.c:2421 do_read_cache_folio+0x134/0x820 mm/filemap.c:3680 do_read_cache_page+0x32/0x220 mm/filemap.c:3746 read_mapping_page include/linux/pagemap.h:772 [inline] ntfs_map_page fs/ntfs/aops.h:75 [inline] load_and_init_attrdef fs/ntfs/super.c:1617 [inline] load_system_files+0x1c0b/0x4840 fs/ntfs/super.c:1825 ntfs_fill_super+0x19b3/0x2bd0 fs/ntfs/super.c:2900 mount_bdev+0x274/0x3a0 fs/super.c:1380 legacy_get_tree+0xef/0x190 fs/fs_context.c:610 vfs_get_tree+0x8c/0x270 fs/super.c:1510 do_new_mount+0x28f/0xae0 fs/namespace.c:3039 do_mount fs/namespace.c:3382 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3568 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f7ec728d69a Code: 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f7ec7ff3f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 000000000000097e RCX: 00007f7ec728d69a RDX: 0000000020000040 RSI: 000000002001f200 RDI: 00007f7ec7ff3fe0 RBP: 00007f7ec7ff4020 R08: 00007f7ec7ff4020 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000040 R13: 000000002001f200 R14: 00007f7ec7ff3fe0 R15: 0000000020000000 The buggy address belongs to the physical page: page:ffffea0001b145c0 refcount:2 mapcount:2 mapping:0000000000000000 index:0x55ac8de7c pfn:0x6c517 memcg:ffff888016794000 anon flags: 0xfff00000080014(uptodate|lru|swapbacked|node=0|zone=1|lastcpupid=0x7ff) page_type: 0x1() raw: 00fff00000080014 ffffea0001b17208 ffffea0001b14388 ffff88807d1ea771 raw: 000000055ac8de7c 0000000000000000 0000000200000001 ffff888016794000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Movable, gfp_mask 0x140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO), pid 5425, tgid 5425 (dhcpcd-run-hook), ts 75825916091, free_ts 75800924837 prep_new_page mm/page_alloc.c:1738 [inline] get_page_from_freelist+0x321c/0x33a0 mm/page_alloc.c:3502 __alloc_pages+0x255/0x670 mm/page_alloc.c:4768 __folio_alloc+0x13/0x30 mm/page_alloc.c:4800 vma_alloc_folio+0x48a/0x9a0 mm/mempolicy.c:2240 do_anonymous_page mm/memory.c:4085 [inline] do_pte_missing+0xcb8/0x2810 mm/memory.c:3645 handle_pte_fault mm/memory.c:4947 [inline] __handle_mm_fault mm/memory.c:5089 [inline] handle_mm_fault+0x16cf/0x2e30 mm/memory.c:5243 do_user_addr_fault arch/x86/mm/fault.c:1349 [inline] handle_page_fault arch/x86/mm/fault.c:1534 [inline] exc_page_fault+0x274/0x900 arch/x86/mm/fault.c:1590 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:570 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1302 [inline] free_unref_page_prepare+0x8fe/0xa10 mm/page_alloc.c:2564 free_unref_page_list+0x596/0x830 mm/page_alloc.c:2705 release_pages+0x2193/0x2470 mm/swap.c:1042 tlb_batch_pages_flush mm/mmu_gather.c:97 [inline] tlb_flush_mmu_free mm/mmu_gather.c:292 [inline] tlb_flush_mmu+0x100/0x210 mm/mmu_gather.c:299 tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:391 exit_mmap+0x3da/0xaf0 mm/mmap.c:3123 __mmput+0x115/0x3c0 kernel/fork.c:1351 exit_mm+0x227/0x310 kernel/exit.c:564 do_exit+0x612/0x2290 kernel/exit.c:858 do_group_exit+0x206/0x2c0 kernel/exit.c:1021 __do_sys_exit_group kernel/exit.c:1032 [inline] __se_sys_exit_group kernel/exit.c:1030 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1030 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Memory state around the buggy address: ffff88806c517000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88806c517080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff88806c517100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ^ ffff88806c517180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88806c517200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================