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BUG: KASAN: slab-out-of-bounds in check_igot_inode+0x187/0x1b0 fs/ext4/inode.c:4656
Read of size 8 at addr ffff888076aa8eb0 by task syz-executor.0/3401

CPU: 1 PID: 3401 Comm: syz-executor.0 Not tainted 6.5.0-next-20230908-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106
 print_address_description mm/kasan/report.c:364 [inline]
 print_report+0xc4/0x620 mm/kasan/report.c:475
 kasan_report+0xda/0x110 mm/kasan/report.c:588
 check_igot_inode+0x187/0x1b0 fs/ext4/inode.c:4656
 __ext4_iget+0x14fb/0x4300 fs/ext4/inode.c:4708
 ext4_quota_enable fs/ext4/super.c:7038 [inline]
 ext4_enable_quotas+0x521/0xba0 fs/ext4/super.c:7074
 __ext4_fill_super fs/ext4/super.c:5568 [inline]
 ext4_fill_super+0x9ad2/0xad40 fs/ext4/super.c:5703
 get_tree_bdev+0x3b5/0x650 fs/super.c:1577
 vfs_get_tree+0x8c/0x370 fs/super.c:1750
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f16ac87e1ea
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:00007f16ad532ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f16ad532f80 RCX: 00007f16ac87e1ea
RDX: 0000000020000580 RSI: 00000000200005c0 RDI: 00007f16ad532f40
RBP: 0000000020000580 R08: 00007f16ad532f80 R09: 0000000001008002
R10: 0000000001008002 R11: 0000000000000202 R12: 00000000200005c0
R13: 00007f16ad532f40 R14: 00000000000005d8 R15: 0000000020000240
 </TASK>

Allocated by task 3153:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 kasan_set_track+0x25/0x30 mm/kasan/common.c:52
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:762 [inline]
 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_lru+0x21a/0x630 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2909 [inline]
 ntfs_alloc_inode+0x25/0x70 fs/ntfs3/super.c:546
 alloc_inode+0x5d/0x220 fs/inode.c:259
 iget5_locked fs/inode.c:1269 [inline]
 iget5_locked+0x63/0xe0 fs/inode.c:1262
 ntfs_iget5+0xd6/0x3960 fs/ntfs3/inode.c:525
 ntfs_loadlog_and_replay+0x130/0x5e0 fs/ntfs3/fsntfs.c:297
 ntfs_fill_super+0x265f/0x4330 fs/ntfs3/super.c:1222
 get_tree_bdev+0x3b5/0x650 fs/super.c:1577
 vfs_get_tree+0x8c/0x370 fs/super.c:1750
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
 destroy_inode+0x129/0x1b0 fs/inode.c:314
 iput_final fs/inode.c:1775 [inline]
 iput.part.0+0x55e/0x7a0 fs/inode.c:1801
 iput+0x5c/0x80 fs/inode.c:1791
 ntfs_loadlog_and_replay+0x1c1/0x5e0 fs/ntfs3/fsntfs.c:326
 ntfs_fill_super+0x265f/0x4330 fs/ntfs3/super.c:1222
 get_tree_bdev+0x3b5/0x650 fs/super.c:1577
 vfs_get_tree+0x8c/0x370 fs/super.c:1750
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xbc/0xd0 mm/kasan/generic.c:492
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
 destroy_inode+0x129/0x1b0 fs/inode.c:314
 iput_final fs/inode.c:1775 [inline]
 iput.part.0+0x55e/0x7a0 fs/inode.c:1801
 iput+0x5c/0x80 fs/inode.c:1791
 ntfs_fill_super+0x37e5/0x4330 fs/ntfs3/super.c:1464
 get_tree_bdev+0x3b5/0x650 fs/super.c:1577
 vfs_get_tree+0x8c/0x370 fs/super.c:1750
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff888076aa8760
 which belongs to the cache ntfs_inode_cache of size 1760
The buggy address is located 112 bytes to the right of
 allocated 1760-byte region [ffff888076aa8760, ffff888076aa8e40)

The buggy address belongs to the physical page:
page:ffffea0001daaa00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888076aa9620 pfn:0x76aa8
head:ffffea0001daaa00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff888076ee3d01
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888014b9a140 ffff888014b99348 ffffea0000fc0810
raw: ffff888076aa9620 0000000000110002 00000001ffffffff ffff888076ee3d01
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Reclaimable, gfp_mask 0x1d2050(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL|__GFP_RECLAIMABLE), pid 6332, tgid 6331 (syz-executor.4), ts 301896515905, free_ts 276709243003
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1530
 prep_new_page mm/page_alloc.c:1537 [inline]
 get_page_from_freelist+0xf17/0x2e50 mm/page_alloc.c:3200
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4456
 alloc_pages+0x1a9/0x270 mm/mempolicy.c:2298
 alloc_slab_page mm/slub.c:1870 [inline]
 allocate_slab+0x251/0x380 mm/slub.c:2017
 new_slab mm/slub.c:2070 [inline]
 ___slab_alloc+0x8be/0x1570 mm/slub.c:3223
 __slab_alloc.constprop.0+0x56/0xa0 mm/slub.c:3322
 __slab_alloc_node mm/slub.c:3375 [inline]
 slab_alloc_node mm/slub.c:3468 [inline]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc_lru+0x4e4/0x630 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2909 [inline]
 ntfs_alloc_inode+0x25/0x70 fs/ntfs3/super.c:546
 alloc_inode+0x5d/0x220 fs/inode.c:259
 iget5_locked fs/inode.c:1269 [inline]
 iget5_locked+0x63/0xe0 fs/inode.c:1262
 ntfs_iget5+0xd6/0x3960 fs/ntfs3/inode.c:525
 ntfs_fill_super+0x24a6/0x4330 fs/ntfs3/super.c:1198
 get_tree_bdev+0x3b5/0x650 fs/super.c:1577
 vfs_get_tree+0x8c/0x370 fs/super.c:1750
 do_new_mount fs/namespace.c:3335 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3662
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1130 [inline]
 free_unref_page_prepare+0x476/0xa40 mm/page_alloc.c:2342
 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2435
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x18b/0x1d0 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook mm/slab.h:762 [inline]
 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+0x172/0x3b0 mm/slub.c:3502
 getname_flags.part.0+0x50/0x4d0 fs/namei.c:140
 getname_flags+0x9c/0xf0 include/linux/audit.h:321
 user_path_at_empty+0x2c/0x60 fs/namei.c:2909
 do_readlinkat+0xdd/0x2f0 fs/stat.c:533
 __do_sys_readlink fs/stat.c:566 [inline]
 __se_sys_readlink fs/stat.c:563 [inline]
 __x64_sys_readlink+0x78/0xb0 fs/stat.c:563
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff888076aa8d80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888076aa8e00: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff888076aa8e80: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
                                     ^
 ffff888076aa8f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888076aa8f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
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