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BUG: KASAN: slab-out-of-bounds in ntfs_filldir fs/ntfs/dir.c:1021 [inline]
BUG: KASAN: slab-out-of-bounds in ntfs_readdir+0xeaa/0x2b80 fs/ntfs/dir.c:1200
Read of size 1 at addr ffff88803584e4f1 by task syz-executor.4/6472

CPU: 1 PID: 6472 Comm: syz-executor.4 Not tainted 6.7.0-rc4-syzkaller-00424-gc527f5606aa5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023
Call Trace:
 <TASK>
 __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+0x142/0x170 mm/kasan/report.c:588
 ntfs_filldir fs/ntfs/dir.c:1021 [inline]
 ntfs_readdir+0xeaa/0x2b80 fs/ntfs/dir.c:1200
 wrap_directory_iterator+0x91/0xd0 fs/readdir.c:67
 iterate_dir+0x1cd/0x540 fs/readdir.c:106
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:390
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b
RIP: 0033:0x7f653187cba9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f653254d0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 00007f653199bf80 RCX: 00007f653187cba9
RDX: 0000000000000035 RSI: 00000000200005c0 RDI: 0000000000000007
RBP: 00007f65318c847a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f653199bf80 R15: 00007fff956ca988
 </TASK>

Allocated by task 6472:
 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:1007 [inline]
 __kmalloc+0xb3/0x1a0 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 ntfs_readdir+0x832/0x2b80 fs/ntfs/dir.c:1162
 wrap_directory_iterator+0x91/0xd0 fs/readdir.c:67
 iterate_dir+0x1cd/0x540 fs/readdir.c:106
 __do_sys_getdents64 fs/readdir.c:405 [inline]
 __se_sys_getdents64+0x20d/0x4f0 fs/readdir.c:390
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x63/0x6b

The buggy address belongs to the object at ffff88803584e480
 which belongs to the cache kmalloc-64 of size 64
The buggy address is located 57 bytes to the right of
 allocated 56-byte region [ffff88803584e480, ffff88803584e4b8)

The buggy address belongs to the physical page:
page:ffffea0000d61380 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x3584e
ksm flags: 0xfff00000000800(slab|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000800 ffff888012c41640 ffffea000064c440 dead000000000003
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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 5104, tgid 5104 (syz-executor.1), ts 183144564041, free_ts 0
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1544 [inline]
 get_page_from_freelist+0x33ea/0x3570 mm/page_alloc.c:3312
 __alloc_pages+0x255/0x680 mm/page_alloc.c:4568
 alloc_pages_mpol+0x3de/0x640 mm/mempolicy.c:2133
 alloc_slab_page+0x6a/0x170 mm/slub.c:1870
 allocate_slab mm/slub.c:2017 [inline]
 new_slab+0x84/0x2f0 mm/slub.c:2070
 ___slab_alloc+0xc8a/0x1330 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+0x21d/0x300 mm/slub.c:3517
 __do_kmalloc_node mm/slab_common.c:1006 [inline]
 __kmalloc+0xa2/0x1a0 mm/slab_common.c:1020
 kmalloc include/linux/slab.h:604 [inline]
 kzalloc include/linux/slab.h:721 [inline]
 kobject_get_path+0xb8/0x230 lib/kobject.c:159
 kobject_uevent_env+0x29f/0x8e0 lib/kobject_uevent.c:529
 rx_queue_add_kobject net/core/net-sysfs.c:1103 [inline]
 net_rx_queue_update_kobjects+0x304/0x5b0 net/core/net-sysfs.c:1143
 register_queue_kobjects net/core/net-sysfs.c:1803 [inline]
 netdev_register_kobject+0x226/0x310 net/core/net-sysfs.c:2048
 register_netdevice+0x1182/0x19d0 net/core/dev.c:10218
 veth_newlink+0x628/0xcc0 drivers/net/veth.c:1896
 rtnl_newlink_create net/core/rtnetlink.c:3521 [inline]
 __rtnl_newlink net/core/rtnetlink.c:3741 [inline]
 rtnl_newlink+0x1578/0x2080 net/core/rtnetlink.c:3754
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88803584e380: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88803584e400: fa fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88803584e480: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff88803584e500: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff88803584e580: 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc fc
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