loop5: detected capacity change from 0 to 512
ntfs: (device loop5): is_boot_sector_ntfs(): Invalid end of sector marker.
==================================================================
BUG: KASAN: use-after-free in ntfs_attr_find+0xd35/0xe10 fs/ntfs/attrib.c:597
Read of size 2 at addr ffff88801773e008 by task syz-executor.5/28246

CPU: 1 PID: 28246 Comm: syz-executor.5 Not tainted 6.0.0-rc6-syzkaller-00009-g60891ec99e14 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
 print_address_description+0x65/0x4b0 mm/kasan/report.c:317
 print_report+0x108/0x220 mm/kasan/report.c:433
 kasan_report+0xfb/0x130 mm/kasan/report.c:495
 ntfs_attr_find+0xd35/0xe10 fs/ntfs/attrib.c:597
 ntfs_attr_lookup+0x4c3/0x2370
 ntfs_read_inode_mount+0x7fc/0x24d0 fs/ntfs/inode.c:1845
 ntfs_fill_super+0x187a/0x2bf0 fs/ntfs/super.c:2854
 mount_bdev+0x26c/0x3a0 fs/super.c:1400
 legacy_get_tree+0xea/0x180 fs/fs_context.c:610
 vfs_get_tree+0x88/0x270 fs/super.c:1530
 do_new_mount+0x289/0xad0 fs/namespace.c:3040
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount+0x2e3/0x3d0 fs/namespace.c:3568
 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: 0033:0x7f2466a8a93a
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:00007f2467ccff88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f2466a8a93a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f2467ccffe0
RBP: 00007f2467cd0020 R08: 00007f2467cd0020 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f2467ccffe0 R15: 0000000020079ca0
 </TASK>

Allocated by task 28021:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:437 [inline]
 __kasan_slab_alloc+0xb2/0xe0 mm/kasan/common.c:470
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slub.c:3243 [inline]
 slab_alloc mm/slub.c:3251 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3258 [inline]
 kmem_cache_alloc+0x1a6/0x310 mm/slub.c:3268
 getname_flags+0xb8/0x4e0 fs/namei.c:139
 getname fs/namei.c:218 [inline]
 __do_sys_symlinkat fs/namei.c:4424 [inline]
 __se_sys_symlinkat fs/namei.c:4421 [inline]
 __x64_sys_symlinkat+0x87/0xa0 fs/namei.c:4421
 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

Freed by task 28021:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4c/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0xd8/0x120 mm/kasan/common.c:367
 kasan_slab_free include/linux/kasan.h:200 [inline]
 slab_free_hook mm/slub.c:1754 [inline]
 slab_free_freelist_hook+0x12e/0x1a0 mm/slub.c:1780
 slab_free mm/slub.c:3534 [inline]
 kmem_cache_free+0x95/0x1d0 mm/slub.c:3551
 putname fs/namei.c:271 [inline]
 do_symlinkat+0x425/0x610 fs/namei.c:4416
 __do_sys_symlinkat fs/namei.c:4424 [inline]
 __se_sys_symlinkat fs/namei.c:4421 [inline]
 __x64_sys_symlinkat+0x95/0xa0 fs/namei.c:4421
 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 ffff88801773d500
 which belongs to the cache names_cache of size 4096
The buggy address is located 2824 bytes inside of
 4096-byte region [ffff88801773d500, ffff88801773e500)

The buggy address belongs to the physical page:
page:ffffea00005dce00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x17738
head:ffffea00005dce00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0xfff00000010200(slab|head|node=0|zone=1|lastcpupid=0x7ff)
raw: 00fff00000010200 dead000000000100 dead000000000122 ffff888140007640
raw: 0000000000000000 0000000000070007 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 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 3648, tgid 3648 (udevd), ts 599184042064, free_ts 598377747518
 prep_new_page mm/page_alloc.c:2532 [inline]
 get_page_from_freelist+0x72b/0x7a0 mm/page_alloc.c:4283
 __alloc_pages+0x259/0x560 mm/page_alloc.c:5515
 alloc_slab_page+0x70/0xf0 mm/slub.c:1824
 allocate_slab+0x5e/0x520 mm/slub.c:1969
 new_slab mm/slub.c:2029 [inline]
 ___slab_alloc+0x42e/0xce0 mm/slub.c:3031
 __slab_alloc mm/slub.c:3118 [inline]
 slab_alloc_node mm/slub.c:3209 [inline]
 slab_alloc mm/slub.c:3251 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3258 [inline]
 kmem_cache_alloc+0x25d/0x310 mm/slub.c:3268
 getname_flags+0xb8/0x4e0 fs/namei.c:139
 vfs_fstatat fs/stat.c:254 [inline]
 __do_sys_newfstatat fs/stat.c:425 [inline]
 __se_sys_newfstatat+0xd4/0x790 fs/stat.c:419
 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
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+0x812/0x900 mm/page_alloc.c:1499
 free_unref_page_prepare mm/page_alloc.c:3380 [inline]
 free_unref_page+0x7d/0x630 mm/page_alloc.c:3476
 free_slab mm/slub.c:2068 [inline]
 discard_slab mm/slub.c:2074 [inline]
 __unfreeze_partials+0x1ab/0x200 mm/slub.c:2548
 put_cpu_partial+0x116/0x180 mm/slub.c:2624
 qlist_free_all+0x2b/0x70 mm/kasan/quarantine.c:187
 kasan_quarantine_reduce+0x169/0x180 mm/kasan/quarantine.c:294
 __kasan_slab_alloc+0x2f/0xe0 mm/kasan/common.c:447
 kasan_slab_alloc include/linux/kasan.h:224 [inline]
 slab_post_alloc_hook mm/slab.h:727 [inline]
 slab_alloc_node mm/slub.c:3243 [inline]
 slab_alloc mm/slub.c:3251 [inline]
 kmem_cache_alloc_trace+0x1de/0x310 mm/slub.c:3282
 kmalloc include/linux/slab.h:600 [inline]
 kzalloc include/linux/slab.h:733 [inline]
 kernfs_fop_open+0x3c4/0xc70 fs/kernfs/file.c:680
 do_dentry_open+0x777/0x1180 fs/open.c:880
 do_open fs/namei.c:3557 [inline]
 path_openat+0x260e/0x2e00 fs/namei.c:3691
 do_filp_open+0x275/0x500 fs/namei.c:3718
 do_sys_openat2+0x13b/0x500 fs/open.c:1313
 do_sys_open fs/open.c:1329 [inline]
 __do_sys_openat fs/open.c:1345 [inline]
 __se_sys_openat fs/open.c:1340 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1340
 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

Memory state around the buggy address:
 ffff88801773df00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801773df80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88801773e000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff88801773e080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88801773e100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================