ntfs: (device loop3): ntfs_is_extended_system_file(): Corrupt file name attribute. You should run chkdsk. ntfs: (device loop3): ntfs_read_locked_inode(): $DATA attribute is missing. ntfs: volume version 3.1. ================================================================== BUG: KASAN: slab-out-of-bounds in ntfs_filldir fs/ntfs/dir.c:1021 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_readdir+0xeaa/0x2b80 fs/ntfs/dir.c:1200 Read of size 1 at addr ffff8880280c6af1 by task syz-executor.3/19552 CPU: 1 PID: 19552 Comm: syz-executor.3 Not tainted 6.7.0-rc5-syzkaller-00134-g3f7168591ebf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 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:364 [inline] print_report+0x163/0x540 mm/kasan/report.c:475 kasan_report+0x142/0x170 mm/kasan/report.c:588 ntfs_filldir fs/ntfs/dir.c:1021 [inline] ntfs_readdir+0xeaa/0x2b80 fs/ntfs/dir.c:1200 wrap_directory_iterator+0x91/0xd0 fs/readdir.c:67 iterate_dir+0x1cd/0x540 fs/readdir.c:106 __do_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x1ef/0x4c0 fs/readdir.c:307 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fcdf427cba9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fcdf4f7b0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00007fcdf439bf80 RCX: 00007fcdf427cba9 RDX: 00000000000000ba RSI: 0000000020000300 RDI: 0000000000000006 RBP: 00007fcdf42c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fcdf439bf80 R15: 00007ffd96e67978 Allocated by task 19552: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:198 [inline] __do_kmalloc_node mm/slab_common.c:1007 [inline] __kmalloc+0xb3/0x1a0 mm/slab_common.c:1020 kmalloc include/linux/slab.h:604 [inline] ntfs_readdir+0x832/0x2b80 fs/ntfs/dir.c:1162 wrap_directory_iterator+0x91/0xd0 fs/readdir.c:67 iterate_dir+0x1cd/0x540 fs/readdir.c:106 __do_sys_getdents fs/readdir.c:322 [inline] __se_sys_getdents+0x1ef/0x4c0 fs/readdir.c:307 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b The buggy address belongs to the object at ffff8880280c6a80 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 57 bytes to the right of allocated 56-byte region [ffff8880280c6a80, ffff8880280c6ab8) The buggy address belongs to the physical page: page:ffffea0000a03180 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x280c6 anon flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000800 ffff888012c41640 0000000000000000 dead000000000001 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112820(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY|__GFP_HARDWALL), pid 5088, tgid 5088 (syz-executor.0), ts 233226194480, free_ts 233199932442 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1537 prep_new_page mm/page_alloc.c:1544 [inline] get_page_from_freelist+0x33ea/0x3570 mm/page_alloc.c:3312 __alloc_pages+0x255/0x680 mm/page_alloc.c:4568 alloc_pages_mpol+0x3de/0x640 mm/mempolicy.c:2133 alloc_slab_page+0x6a/0x170 mm/slub.c:1870 allocate_slab mm/slub.c:2017 [inline] new_slab+0x84/0x2f0 mm/slub.c:2070 ___slab_alloc+0xc8a/0x1330 mm/slub.c:3223 __slab_alloc mm/slub.c:3322 [inline] __slab_alloc_node mm/slub.c:3375 [inline] slab_alloc_node mm/slub.c:3468 [inline] __kmem_cache_alloc_node+0x21d/0x300 mm/slub.c:3517 kmalloc_trace+0x2a/0x60 mm/slab_common.c:1098 kmalloc include/linux/slab.h:600 [inline] bdi_split_work_to_wbs+0x54e/0x9a0 fs/fs-writeback.c:989 sync_inodes_sb+0x286/0xb20 fs/fs-writeback.c:2757 sync_filesystem+0x16f/0x220 fs/sync.c:64 generic_shutdown_super+0x72/0x2c0 fs/super.c:669 kill_anon_super+0x3b/0x70 fs/super.c:1295 btrfs_kill_super+0x41/0x50 fs/btrfs/super.c:2100 deactivate_locked_super+0xc1/0x130 fs/super.c:484 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1137 [inline] free_unref_page_prepare+0x931/0xa60 mm/page_alloc.c:2347 free_unref_page_list+0x5a0/0x840 mm/page_alloc.c:2533 release_pages+0x2117/0x2400 mm/swap.c:1042 tlb_batch_pages_flush mm/mmu_gather.c:98 [inline] tlb_flush_mmu_free mm/mmu_gather.c:293 [inline] tlb_flush_mmu+0x34c/0x4e0 mm/mmu_gather.c:300 tlb_finish_mmu+0xd4/0x1f0 mm/mmu_gather.c:392 exit_mmap+0x4d3/0xc60 mm/mmap.c:3321 __mmput+0x115/0x3c0 kernel/fork.c:1349 exit_mm+0x21f/0x300 kernel/exit.c:567 do_exit+0x9b7/0x2750 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:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b Memory state around the buggy address: ffff8880280c6980: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc ffff8880280c6a00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff8880280c6a80: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc ^ ffff8880280c6b00: 00 00 00 00 00 07 fc fc fc fc fc fc fc fc fc fc ffff8880280c6b80: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc 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