loop0: detected capacity change from 0 to 64
ntfs: (device loop0): is_boot_sector_ntfs(): Invalid end of sector marker.
==================================================================
BUG: KASAN: use-after-free in ntfs_attr_find+0xaba/0xc30 fs/ntfs/attrib.c:597
Read of size 2 at addr ffff88807bd40009 by task syz-executor.0/4080

CPU: 0 PID: 4080 Comm: syz-executor.0 Not tainted 5.19.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x57/0x7d lib/dump_stack.c:106
 print_address_description.constprop.0.cold+0xeb/0x495 mm/kasan/report.c:313
 print_report mm/kasan/report.c:429 [inline]
 kasan_report.cold+0xf4/0x1c6 mm/kasan/report.c:491
 ntfs_attr_find+0xaba/0xc30 fs/ntfs/attrib.c:597
 ntfs_attr_lookup+0xe27/0x1f70 fs/ntfs/attrib.c:1193
 ntfs_read_inode_mount+0x781/0x2110 fs/ntfs/inode.c:1845
 ntfs_fill_super+0x1410/0x7b70 fs/ntfs/super.c:2854
 mount_bdev+0x2cb/0x3b0 fs/super.c:1367
 legacy_get_tree+0xfa/0x1f0 fs/fs_context.c:610
 vfs_get_tree+0x7f/0x2c0 fs/super.c:1497
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x7e8/0x1a40 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __x64_sys_mount+0x1f5/0x260 fs/namespace.c:3568
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
RIP: 0033:0x7f7ae428a7aa
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:00007f7ae5482f88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f7ae428a7aa
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f7ae5482fe0
RBP: 00007f7ae5483020 R08: 00007f7ae5483020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f7ae5482fe0 R15: 0000000020086e00
 </TASK>

Allocated by task 3949:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:436 [inline]
 ____kasan_kmalloc mm/kasan/common.c:515 [inline]
 ____kasan_kmalloc mm/kasan/common.c:474 [inline]
 __kasan_kmalloc+0xa9/0xd0 mm/kasan/common.c:524
 kmalloc include/linux/slab.h:600 [inline]
 tomoyo_print_header security/tomoyo/audit.c:156 [inline]
 tomoyo_init_log+0x183/0x1d00 security/tomoyo/audit.c:255
 tomoyo_supervisor+0x2fc/0xc40 security/tomoyo/common.c:2088
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission security/tomoyo/file.c:587 [inline]
 tomoyo_path_permission+0x252/0x380 security/tomoyo/file.c:573
 tomoyo_path_perm+0x289/0x350 security/tomoyo/file.c:838
 security_inode_getattr+0xab/0x100 security/security.c:1344
 vfs_getattr fs/stat.c:157 [inline]
 vfs_fstat+0x2b/0x80 fs/stat.c:182
 __do_sys_newfstat+0x72/0xd0 fs/stat.c:435
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Freed by task 3949:
 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38
 kasan_set_track+0x21/0x30 mm/kasan/common.c:45
 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370
 ____kasan_slab_free mm/kasan/common.c:366 [inline]
 ____kasan_slab_free+0x166/0x1a0 mm/kasan/common.c:328
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x8b/0x1c0 mm/slub.c:1780
 slab_free mm/slub.c:3536 [inline]
 kfree+0xd6/0x4d0 mm/slub.c:4584
 tomoyo_init_log+0x11aa/0x1d00 security/tomoyo/audit.c:294
 tomoyo_supervisor+0x2fc/0xc40 security/tomoyo/common.c:2088
 tomoyo_audit_path_log security/tomoyo/file.c:168 [inline]
 tomoyo_path_permission security/tomoyo/file.c:587 [inline]
 tomoyo_path_permission+0x252/0x380 security/tomoyo/file.c:573
 tomoyo_path_perm+0x289/0x350 security/tomoyo/file.c:838
 security_inode_getattr+0xab/0x100 security/security.c:1344
 vfs_getattr fs/stat.c:157 [inline]
 vfs_fstat+0x2b/0x80 fs/stat.c:182
 __do_sys_newfstat+0x72/0xd0 fs/stat.c:435
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

The buggy address belongs to the object at ffff88807bd40000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 9 bytes inside of
 4096-byte region [ffff88807bd40000, ffff88807bd41000)

The buggy address belongs to the physical page:
page:ffffea0001ef5000 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7bd40
head:ffffea0001ef5000 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 ffffea00007f0a00 dead000000000003 ffff888010842140
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 3597, tgid 3593 (syz-fuzzer), ts 39709342262, free_ts 17018527962
 prep_new_page mm/page_alloc.c:2456 [inline]
 get_page_from_freelist+0x19d3/0x3b30 mm/page_alloc.c:4198
 __alloc_pages+0x1c7/0x510 mm/page_alloc.c:5426
 alloc_slab_page mm/slub.c:1824 [inline]
 allocate_slab+0x26c/0x3c0 mm/slub.c:1969
 new_slab mm/slub.c:2029 [inline]
 ___slab_alloc+0x9bc/0xe10 mm/slub.c:3031
 __slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3118
 slab_alloc_node mm/slub.c:3209 [inline]
 slab_alloc mm/slub.c:3251 [inline]
 __kmalloc+0x318/0x350 mm/slub.c:4442
 kmalloc include/linux/slab.h:605 [inline]
 tomoyo_realpath_from_path+0xb0/0x6a0 security/tomoyo/realpath.c:254
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x21c/0x2c0 security/tomoyo/file.c:771
 security_file_open+0x34/0x80 security/security.c:1645
 do_dentry_open+0x300/0xfe0 fs/open.c:835
 do_open fs/namei.c:3520 [inline]
 path_openat+0x9cf/0x2360 fs/namei.c:3653
 do_filp_open+0x199/0x3d0 fs/namei.c:3680
 do_sys_openat2+0x11e/0x3f0 fs/open.c:1278
 do_sys_open fs/open.c:1294 [inline]
 __do_sys_openat fs/open.c:1310 [inline]
 __se_sys_openat fs/open.c:1305 [inline]
 __x64_sys_openat+0x11b/0x1d0 fs/open.c:1305
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1371 [inline]
 free_pcp_prepare+0x549/0xd20 mm/page_alloc.c:1421
 free_unref_page_prepare mm/page_alloc.c:3343 [inline]
 free_unref_page+0x19/0x6a0 mm/page_alloc.c:3438
 __unfreeze_partials+0x17c/0x1a0 mm/slub.c:2548
 qlink_free mm/kasan/quarantine.c:168 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x180/0x200 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0xa2/0xc0 mm/kasan/common.c:446
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:750 [inline]
 slab_alloc_node mm/slub.c:3243 [inline]
 kmem_cache_alloc_node+0x255/0x3f0 mm/slub.c:3293
 __alloc_skb+0x151/0x270 net/core/skbuff.c:414
 alloc_skb include/linux/skbuff.h:1426 [inline]
 netlink_alloc_large_skb net/netlink/af_netlink.c:1191 [inline]
 netlink_sendmsg+0x805/0xc30 net/netlink/af_netlink.c:1896
 sock_sendmsg_nosec net/socket.c:714 [inline]
 sock_sendmsg+0xab/0xe0 net/socket.c:734
 __sys_sendto+0x1a5/0x270 net/socket.c:2119
 __do_sys_sendto net/socket.c:2131 [inline]
 __se_sys_sendto net/socket.c:2127 [inline]
 __x64_sys_sendto+0xd8/0x1b0 net/socket.c:2127
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x46/0xb0

Memory state around the buggy address:
 ffff88807bd3ff00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88807bd3ff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88807bd40000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff88807bd40080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807bd40100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================