ntfs: (device loop3): is_boot_sector_ntfs(): Invalid end of sector marker.
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BUG: KASAN: use-after-free in ntfs_attr_find+0xc02/0xce0 fs/ntfs/attrib.c:597
Read of size 2 at addr ffff888061b82009 by task syz-executor.3/8908

CPU: 0 PID: 8908 Comm: syz-executor.3 Not tainted 6.0.0-rc2-syzkaller-00327-g8379c0b31fbc #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.14.0-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:317 [inline]
 print_report.cold+0x2ba/0x6e9 mm/kasan/report.c:433
 kasan_report+0xb1/0x1e0 mm/kasan/report.c:495
 ntfs_attr_find+0xc02/0xce0 fs/ntfs/attrib.c:597
 ntfs_attr_lookup+0x1056/0x2070 fs/ntfs/attrib.c:1193
 ntfs_read_inode_mount+0x89a/0x2580 fs/ntfs/inode.c:1845
 ntfs_fill_super+0x17c7/0x9300 fs/ntfs/super.c:2854
 mount_bdev+0x34d/0x410 fs/super.c:1400
 legacy_get_tree+0x105/0x220 fs/fs_context.c:610
 vfs_get_tree+0x89/0x2f0 fs/super.c:1530
 do_new_mount fs/namespace.c:3040 [inline]
 path_mount+0x1326/0x1e20 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+0x27f/0x300 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+0x63/0xcd
RIP: 0033:0x7f266108a7aa
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:00007f265fffdf88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f266108a7aa
RDX: 0000000020000040 RSI: 0000000020000100 RDI: 00007f265fffdfe0
RBP: 00007f265fffe020 R08: 00007f265fffe020 R09: 0000000020000040
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000040
R13: 0000000020000100 R14: 00007f265fffdfe0 R15: 0000000020086e00
 </TASK>

The buggy address belongs to the physical page:
page:ffffea000186e080 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x61b82
flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff)
raw: 04fff00000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x406dc2(GFP_KERNEL_ACCOUNT|__GFP_HIGHMEM|__GFP_NOWARN|__GFP_RETRY_MAYFAIL|__GFP_ZERO), pid 7013, tgid 7010 (syz-executor.2), ts 1701303212028, free_ts 1701957347118
 prep_new_page mm/page_alloc.c:2532 [inline]
 get_page_from_freelist+0x109b/0x2ce0 mm/page_alloc.c:4283
 __alloc_pages_slowpath.constprop.0+0x2d7/0x2240 mm/page_alloc.c:5058
 __alloc_pages+0x43d/0x510 mm/page_alloc.c:5528
 alloc_pages+0x1a6/0x270 mm/mempolicy.c:2270
 vm_area_alloc_pages mm/vmalloc.c:2958 [inline]
 __vmalloc_area_node mm/vmalloc.c:3026 [inline]
 __vmalloc_node_range+0x954/0x13a0 mm/vmalloc.c:3196
 __bpf_map_area_alloc+0xd5/0x150 kernel/bpf/syscall.c:332
 bloom_map_alloc+0x322/0x620 kernel/bpf/bloom_filter.c:145
 find_and_alloc_map kernel/bpf/syscall.c:131 [inline]
 map_create kernel/bpf/syscall.c:1102 [inline]
 __sys_bpf+0xa76/0x6130 kernel/bpf/syscall.c:4935
 __do_sys_bpf kernel/bpf/syscall.c:5057 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5055 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5055
 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+0x63/0xcd
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1449 [inline]
 free_pcp_prepare+0x5e4/0xd20 mm/page_alloc.c:1499
 free_unref_page_prepare mm/page_alloc.c:3380 [inline]
 free_unref_page+0x19/0x4d0 mm/page_alloc.c:3476
 __vunmap+0x85d/0xd30 mm/vmalloc.c:2696
 __vfree+0x3c/0xd0 mm/vmalloc.c:2744
 __vmalloc_area_node mm/vmalloc.c:3079 [inline]
 __vmalloc_node_range+0xfdb/0x13a0 mm/vmalloc.c:3196
 __bpf_map_area_alloc+0xd5/0x150 kernel/bpf/syscall.c:332
 bloom_map_alloc+0x322/0x620 kernel/bpf/bloom_filter.c:145
 find_and_alloc_map kernel/bpf/syscall.c:131 [inline]
 map_create kernel/bpf/syscall.c:1102 [inline]
 __sys_bpf+0xa76/0x6130 kernel/bpf/syscall.c:4935
 __do_sys_bpf kernel/bpf/syscall.c:5057 [inline]
 __se_sys_bpf kernel/bpf/syscall.c:5055 [inline]
 __x64_sys_bpf+0x75/0xb0 kernel/bpf/syscall.c:5055
 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+0x63/0xcd

Memory state around the buggy address:
 ffff888061b81f00: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888061b81f80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888061b82000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                      ^
 ffff888061b82080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff888061b82100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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