ntfs3: loop0: failed to read volume at offset 0x123000 ntfs3: loop0: Failed to load $Extend. ================================================================== BUG: KASAN: slab-out-of-bounds in unpacked_ea_size fs/ntfs3/xattr.c:26 [inline] BUG: KASAN: slab-out-of-bounds in find_ea fs/ntfs3/xattr.c:54 [inline] BUG: KASAN: slab-out-of-bounds in ntfs_get_ea+0x481/0x6b0 fs/ntfs3/xattr.c:230 Read of size 1 at addr ffff88801da239bd by task syz-executor201/3611 CPU: 0 PID: 3611 Comm: syz-executor201 Not tainted 6.1.0-rc4-syzkaller-00362-gfef7fd48922d #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 print_address_description+0x74/0x340 mm/kasan/report.c:284 print_report+0x107/0x220 mm/kasan/report.c:395 kasan_report+0x139/0x170 mm/kasan/report.c:495 unpacked_ea_size fs/ntfs3/xattr.c:26 [inline] find_ea fs/ntfs3/xattr.c:54 [inline] ntfs_get_ea+0x481/0x6b0 fs/ntfs3/xattr.c:230 ntfs_get_wsl_perm+0x113/0x4b0 fs/ntfs3/xattr.c:973 ntfs_read_mft fs/ntfs3/inode.c:355 [inline] ntfs_iget5+0x1b36/0x36f0 fs/ntfs3/inode.c:501 dir_search_u+0x2f4/0x390 fs/ntfs3/dir.c:264 ntfs_lookup+0x112/0x1b0 fs/ntfs3/namei.c:83 __lookup_slow+0x286/0x3e0 fs/namei.c:1685 lookup_slow+0x53/0x70 fs/namei.c:1702 walk_component+0x2e1/0x410 fs/namei.c:1993 lookup_last fs/namei.c:2450 [inline] path_lookupat+0x17d/0x450 fs/namei.c:2474 filename_lookup+0x285/0x660 fs/namei.c:2503 vfs_statx+0x121/0x4e0 fs/stat.c:229 do_statx fs/stat.c:643 [inline] __do_sys_statx fs/stat.c:670 [inline] __se_sys_statx fs/stat.c:661 [inline] __x64_sys_statx+0x1a1/0x230 fs/stat.c:661 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb7801b7169 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 c0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe4e7544e8 EFLAGS: 00000246 ORIG_RAX: 000000000000014c RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb7801b7169 RDX: 0000000000000000 RSI: 0000000020003c40 RDI: 0000000000000005 RBP: 00007fb780176960 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000080 R11: 0000000000000246 R12: 00007fb7801769f0 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Allocated by task 3611: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x70 mm/kasan/common.c:52 ____kasan_kmalloc mm/kasan/common.c:371 [inline] __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:380 kasan_kmalloc include/linux/kasan.h:211 [inline] __do_kmalloc_node mm/slab_common.c:955 [inline] __kmalloc+0xaf/0x1a0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] ntfs_read_ea+0x437/0x820 fs/ntfs3/xattr.c:110 ntfs_get_ea+0x1ad/0x6b0 fs/ntfs3/xattr.c:222 ntfs_get_wsl_perm+0x113/0x4b0 fs/ntfs3/xattr.c:973 ntfs_read_mft fs/ntfs3/inode.c:355 [inline] ntfs_iget5+0x1b36/0x36f0 fs/ntfs3/inode.c:501 dir_search_u+0x2f4/0x390 fs/ntfs3/dir.c:264 ntfs_lookup+0x112/0x1b0 fs/ntfs3/namei.c:83 __lookup_slow+0x286/0x3e0 fs/namei.c:1685 lookup_slow+0x53/0x70 fs/namei.c:1702 walk_component+0x2e1/0x410 fs/namei.c:1993 lookup_last fs/namei.c:2450 [inline] path_lookupat+0x17d/0x450 fs/namei.c:2474 filename_lookup+0x285/0x660 fs/namei.c:2503 vfs_statx+0x121/0x4e0 fs/stat.c:229 do_statx fs/stat.c:643 [inline] __do_sys_statx fs/stat.c:670 [inline] __se_sys_statx fs/stat.c:661 [inline] __x64_sys_statx+0x1a1/0x230 fs/stat.c:661 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff88801da23980 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 61 bytes inside of 64-byte region [ffff88801da23980, ffff88801da239c0) The buggy address belongs to the physical page: page:ffffea00007688c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1da23 flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 ffffea00005f4180 dead000000000005 ffff888012041640 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 0x12c40(GFP_NOFS|__GFP_NOWARN|__GFP_NORETRY), pid 2958, tgid 2958 (rcS), ts 17935241643, free_ts 17125089933 prep_new_page mm/page_alloc.c:2539 [inline] get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4288 __alloc_pages+0x259/0x560 mm/page_alloc.c:5555 alloc_slab_page+0x70/0xf0 mm/slub.c:1794 allocate_slab+0x5e/0x4b0 mm/slub.c:1939 new_slab mm/slub.c:1992 [inline] ___slab_alloc+0x7f4/0xeb0 mm/slub.c:3180 __slab_alloc mm/slub.c:3279 [inline] slab_alloc_node mm/slub.c:3364 [inline] __kmem_cache_alloc_node+0x252/0x310 mm/slub.c:3437 __do_kmalloc_node mm/slab_common.c:954 [inline] __kmalloc+0x9e/0x1a0 mm/slab_common.c:968 kmalloc include/linux/slab.h:558 [inline] kzalloc include/linux/slab.h:689 [inline] tomoyo_commit_ok+0x24/0x1c0 security/tomoyo/memory.c:76 tomoyo_update_domain+0x525/0x840 security/tomoyo/domain.c:139 tomoyo_write_env security/tomoyo/environ.c:105 [inline] tomoyo_write_misc+0x1a5/0x220 security/tomoyo/environ.c:121 tomoyo_write_domain2+0x1d7/0x240 security/tomoyo/common.c:1143 tomoyo_add_entry security/tomoyo/common.c:2033 [inline] tomoyo_supervisor+0xdfd/0x1290 security/tomoyo/common.c:2094 tomoyo_audit_env_log security/tomoyo/environ.c:36 [inline] tomoyo_env_perm+0x17b/0x210 security/tomoyo/environ.c:63 tomoyo_environ security/tomoyo/domain.c:672 [inline] tomoyo_find_next_domain+0x16c6/0x1d80 security/tomoyo/domain.c:879 tomoyo_bprm_check_security+0xe3/0x130 security/tomoyo/tomoyo.c:101 security_bprm_check+0x50/0xb0 security/security.c:869 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1459 [inline] free_pcp_prepare+0x80c/0x8f0 mm/page_alloc.c:1509 free_unref_page_prepare mm/page_alloc.c:3387 [inline] free_unref_page+0x7d/0x630 mm/page_alloc.c:3483 kasan_depopulate_vmalloc_pte+0x66/0x80 mm/kasan/shadow.c:372 apply_to_pte_range mm/memory.c:2640 [inline] apply_to_pmd_range mm/memory.c:2684 [inline] apply_to_pud_range mm/memory.c:2720 [inline] apply_to_p4d_range mm/memory.c:2756 [inline] __apply_to_page_range+0x964/0xc70 mm/memory.c:2790 kasan_release_vmalloc+0x96/0xb0 mm/kasan/shadow.c:486 __purge_vmap_area_lazy+0xcfa/0x18a0 mm/vmalloc.c:1770 _vm_unmap_aliases+0x487/0x4f0 mm/vmalloc.c:2173 change_page_attr_set_clr+0x2e8/0x6f0 arch/x86/mm/pat/set_memory.c:1781 change_page_attr_set arch/x86/mm/pat/set_memory.c:1831 [inline] set_memory_nx+0xee/0x130 arch/x86/mm/pat/set_memory.c:2024 free_init_pages arch/x86/mm/init.c:908 [inline] free_kernel_image_pages arch/x86/mm/init.c:927 [inline] free_initmem+0x71/0xc0 arch/x86/mm/init.c:954 kernel_init+0x2d/0x2b0 init/main.c:1528 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 Memory state around the buggy address: ffff88801da23880: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ffff88801da23900: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc >ffff88801da23980: 00 00 00 00 00 00 00 04 fc fc fc fc fc fc fc fc ^ ffff88801da23a00: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88801da23a80: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc ==================================================================