ntfs3: loop4: Primary boot: invalid bytes per index 6144(6). ntfs3: loop4: MFT: r=0, expect seq=1 instead of 0! ntfs3: loop4: Mark volume as dirty due to NTFS errors ================================================================== BUG: KASAN: slab-use-after-free in ntfs_write_bh+0x49/0x7b0 fs/ntfs3/fsntfs.c:1401 Read of size 8 at addr ffff8880568ee000 by task syz-executor.4/2677 CPU: 1 PID: 2677 Comm: syz-executor.4 Not tainted 6.6.0-rc1-syzkaller-00014-ga747acc0b752 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 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+0x175/0x1b0 mm/kasan/report.c:588 ntfs_write_bh+0x49/0x7b0 fs/ntfs3/fsntfs.c:1401 mi_write+0x9b/0x200 fs/ntfs3/record.c:346 ni_write_inode+0x619/0x1080 fs/ntfs3/frecord.c:3360 write_inode fs/fs-writeback.c:1456 [inline] __writeback_single_inode+0x69b/0xfa0 fs/fs-writeback.c:1668 writeback_single_inode+0x21b/0x790 fs/fs-writeback.c:1724 sync_inode_metadata+0xcc/0x130 fs/fs-writeback.c:2786 ntfs_set_state+0x556/0x730 fs/ntfs3/fsntfs.c:995 ntfs_iget5+0x571/0x38e0 fs/ntfs3/inode.c:539 ntfs_fill_super+0x2dec/0x4c30 fs/ntfs3/super.c:1244 get_tree_bdev+0x416/0x5b0 fs/super.c:1577 vfs_get_tree+0x8c/0x280 fs/super.c:1750 do_new_mount+0x28f/0xae0 fs/namespace.c:3335 do_mount fs/namespace.c:3675 [inline] __do_sys_mount fs/namespace.c:3884 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f63ff27e1ea Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 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:00007f6400076ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f6400076f80 RCX: 00007f63ff27e1ea RDX: 0000000020000280 RSI: 0000000020000100 RDI: 00007f6400076f40 RBP: 0000000020000280 R08: 00007f6400076f80 R09: 0000000000010004 R10: 0000000000010004 R11: 0000000000000202 R12: 0000000020000100 R13: 00007f6400076f40 R14: 000000000001f766 R15: 0000000020000080 Allocated by task 4484: 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:1023 [inline] __kmalloc+0xb9/0x230 mm/slab_common.c:1036 kmalloc include/linux/slab.h:603 [inline] tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x28d/0x700 security/tomoyo/file.c:822 security_inode_getattr+0xd3/0x120 security/security.c:2153 vfs_getattr+0x2a/0x3a0 fs/stat.c:206 vfs_fstat fs/stat.c:231 [inline] vfs_fstatat+0xd6/0x190 fs/stat.c:328 __do_sys_newfstatat fs/stat.c:502 [inline] __se_sys_newfstatat fs/stat.c:496 [inline] __x64_sys_newfstatat+0x117/0x190 fs/stat.c:496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Freed by task 4484: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4f/0x70 mm/kasan/common.c:52 kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522 ____kasan_slab_free+0xd6/0x120 mm/kasan/common.c:236 kasan_slab_free include/linux/kasan.h:164 [inline] slab_free_hook mm/slub.c:1800 [inline] slab_free_freelist_hook mm/slub.c:1826 [inline] slab_free mm/slub.c:3809 [inline] __kmem_cache_free+0x25f/0x3b0 mm/slub.c:3822 tomoyo_realpath_from_path+0x5a3/0x5e0 security/tomoyo/realpath.c:286 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x28d/0x700 security/tomoyo/file.c:822 security_inode_getattr+0xd3/0x120 security/security.c:2153 vfs_getattr+0x2a/0x3a0 fs/stat.c:206 vfs_fstat fs/stat.c:231 [inline] vfs_fstatat+0xd6/0x190 fs/stat.c:328 __do_sys_newfstatat fs/stat.c:502 [inline] __se_sys_newfstatat fs/stat.c:496 [inline] __x64_sys_newfstatat+0x117/0x190 fs/stat.c:496 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xad/0xc0 mm/kasan/generic.c:492 insert_work+0x3e/0x320 kernel/workqueue.c:1647 __queue_work+0xc2d/0xff0 kernel/workqueue.c:1799 queue_work_on+0x14f/0x250 kernel/workqueue.c:1834 rcu_do_batch kernel/rcu/tree.c:2139 [inline] rcu_core+0xaaa/0x1740 kernel/rcu/tree.c:2403 __do_softirq+0x2ab/0x908 kernel/softirq.c:553 Second to last potentially related work creation: kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45 __kasan_record_aux_stack+0xad/0xc0 mm/kasan/generic.c:492 __call_rcu_common kernel/rcu/tree.c:2653 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:2767 put_super fs/super.c:433 [inline] deactivate_locked_super+0xe0/0x110 fs/super.c:494 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254 task_work_run+0x24a/0x300 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0xd9/0x100 kernel/entry/common.c:171 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x63/0xcd The buggy address belongs to the object at ffff8880568ee000 which belongs to the cache kmalloc-4k of size 4096 The buggy address is located 0 bytes inside of freed 4096-byte region [ffff8880568ee000, ffff8880568ef000) The buggy address belongs to the physical page: page:ffffea00015a3a00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x568e8 head:ffffea00015a3a00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888012842140 ffffea0001de8c00 dead000000000002 raw: 0000000000000000 0000000000040004 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 21988, tgid 21961 (syz-executor.0), ts 961076508015, free_ts 960858198565 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426 alloc_slab_page+0x6a/0x160 mm/slub.c:1870 allocate_slab mm/slub.c:2017 [inline] new_slab+0x84/0x2f0 mm/slub.c:2070 ___slab_alloc+0xade/0x1100 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+0x1af/0x270 mm/slub.c:3517 __do_kmalloc_node mm/slab_common.c:1022 [inline] __kmalloc+0xa8/0x230 mm/slab_common.c:1036 kmalloc include/linux/slab.h:603 [inline] tomoyo_realpath_from_path+0xcf/0x5e0 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x254/0x4e0 security/tomoyo/file.c:771 security_file_open+0x63/0xa0 security/security.c:2836 do_dentry_open+0x325/0x1430 fs/open.c:916 do_open fs/namei.c:3639 [inline] path_openat+0x27bb/0x3180 fs/namei.c:3796 do_filp_open+0x234/0x490 fs/namei.c:3823 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_openat fs/open.c:1453 [inline] __se_sys_openat fs/open.c:1448 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1448 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1136 [inline] free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2405 discard_slab mm/slub.c:2116 [inline] __unfreeze_partials+0x1dc/0x220 mm/slub.c:2655 put_cpu_partial+0x116/0x180 mm/slub.c:2731 __slab_free+0x2b6/0x390 mm/slub.c:3679 qlist_free_all+0x22/0x60 mm/kasan/quarantine.c:185 kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:292 __kasan_slab_alloc+0x23/0x70 mm/kasan/common.c:305 kasan_slab_alloc include/linux/kasan.h:188 [inline] slab_post_alloc_hook+0x6c/0x3b0 mm/slab.h:762 slab_alloc_node mm/slub.c:3478 [inline] slab_alloc mm/slub.c:3486 [inline] __kmem_cache_alloc_lru mm/slub.c:3493 [inline] kmem_cache_alloc+0x123/0x300 mm/slub.c:3502 kmem_cache_zalloc include/linux/slab.h:710 [inline] __kernfs_new_node+0xdf/0x750 fs/kernfs/dir.c:615 kernfs_new_node+0x99/0x170 fs/kernfs/dir.c:679 __kernfs_create_file+0x49/0x2e0 fs/kernfs/file.c:1047 sysfs_add_file_mode_ns+0x24a/0x300 fs/sysfs/file.c:294 create_files fs/sysfs/group.c:64 [inline] internal_create_group+0x4ec/0xf00 fs/sysfs/group.c:152 internal_create_groups fs/sysfs/group.c:192 [inline] sysfs_create_groups+0x56/0x110 fs/sysfs/group.c:218 Memory state around the buggy address: ffff8880568edf00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff8880568edf80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff8880568ee000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880568ee080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff8880568ee100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ==================================================================