==================================================================
BUG: KASAN: slab-out-of-bounds in check_igot_inode+0x187/0x1b0 fs/ext4/inode.c:4656
Read of size 8 at addr ffff88809165c9b0 by task syz-executor.5/22863

CPU: 1 PID: 22863 Comm: syz-executor.5 Not tainted 6.6.0-rc1-next-20230915-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
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:7045 [inline]
 ext4_enable_quotas+0x521/0xba0 fs/ext4/super.c:7081
 __ext4_fill_super fs/ext4/super.c:5575 [inline]
 ext4_fill_super+0xa77d/0xaf10 fs/ext4/super.c:5710
 get_tree_bdev+0x3b5/0x650 fs/super.c:1580
 vfs_get_tree+0x8c/0x370 fs/super.c:1753
 do_new_mount fs/namespace.c:3337 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3664
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f107ca7e1ea
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:00007f107d7c3ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f107d7c3f80 RCX: 00007f107ca7e1ea
RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007f107d7c3f40
RBP: 0000000020000040 R08: 00007f107d7c3f80 R09: 0000000000004000
R10: 0000000000004000 R11: 0000000000000202 R12: 0000000020000500
R13: 00007f107d7c3f40 R14: 00000000000004b4 R15: 00000000200001c0
 </TASK>

Allocated by task 22843:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:46
 kasan_set_track+0x25/0x30 mm/kasan/common.c:53
 __kasan_slab_alloc+0x81/0x90 mm/kasan/common.c:329
 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+0x221/0x680 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2910 [inline]
 ntfs_alloc_inode+0x25/0x70 fs/ntfs3/super.c:546
 alloc_inode+0x5d/0x220 fs/inode.c:261
 iget5_locked fs/inode.c:1271 [inline]
 iget5_locked+0x63/0xe0 fs/inode.c:1264
 ntfs_iget5+0xd6/0x3960 fs/ntfs3/inode.c:525
 ntfs_fill_super+0x2feb/0x43d0 fs/ntfs3/super.c:1350
 get_tree_bdev+0x3b5/0x650 fs/super.c:1580
 vfs_get_tree+0x8c/0x370 fs/super.c:1753
 do_new_mount fs/namespace.c:3337 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3664
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Freed by task 16:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:46
 kasan_set_track+0x25/0x30 mm/kasan/common.c:53
 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:523
 ____kasan_slab_free mm/kasan/common.c:237 [inline]
 ____kasan_slab_free+0x15b/0x1b0 mm/kasan/common.c:201
 kasan_slab_free include/linux/kasan.h:164 [inline]
 slab_free_hook mm/slub.c:1800 [inline]
 slab_free_freelist_hook+0x114/0x1e0 mm/slub.c:1826
 slab_free mm/slub.c:3809 [inline]
 kmem_cache_free+0xf0/0x480 mm/slub.c:3831
 i_callback+0x43/0x70 fs/inode.c:250
 rcu_do_batch kernel/rcu/tree.c:2139 [inline]
 rcu_core+0x805/0x1bb0 kernel/rcu/tree.c:2403
 __do_softirq+0x218/0x965 kernel/softirq.c:553

Last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:493
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
 destroy_inode+0x129/0x1b0 fs/inode.c:316
 iput_final fs/inode.c:1777 [inline]
 iput.part.0+0x55e/0x7a0 fs/inode.c:1803
 iput+0x5c/0x80 fs/inode.c:1793
 ntfs_fill_super+0x355e/0x43d0 fs/ntfs3/super.c:1418
 get_tree_bdev+0x3b5/0x650 fs/super.c:1580
 vfs_get_tree+0x8c/0x370 fs/super.c:1753
 do_new_mount fs/namespace.c:3337 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3664
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x33/0x50 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:493
 __call_rcu_common.constprop.0+0x9a/0x790 kernel/rcu/tree.c:2653
 destroy_inode+0x129/0x1b0 fs/inode.c:316
 iput_final fs/inode.c:1777 [inline]
 iput.part.0+0x55e/0x7a0 fs/inode.c:1803
 iput+0x5c/0x80 fs/inode.c:1793
 ntfs_fill_super+0x37e5/0x43d0 fs/ntfs3/super.c:1464
 get_tree_bdev+0x3b5/0x650 fs/super.c:1580
 vfs_get_tree+0x8c/0x370 fs/super.c:1753
 do_new_mount fs/namespace.c:3337 [inline]
 path_mount+0x1492/0x1ed0 fs/namespace.c:3664
 do_mount fs/namespace.c:3677 [inline]
 __do_sys_mount fs/namespace.c:3886 [inline]
 __se_sys_mount fs/namespace.c:3863 [inline]
 __x64_sys_mount+0x293/0x310 fs/namespace.c:3863
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88809165c260
 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 [ffff88809165c260, ffff88809165c940)

The buggy address belongs to the physical page:
page:ffffea0002459600 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x91658
head:ffffea0002459600 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88801e8e0801
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888143eefdc0 ffffea00022ed000 dead000000000002
raw: 0000000000000000 0000000000110011 00000001ffffffff ffff88801e8e0801
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 17028, tgid 17026 (syz-executor.2), ts 853206034779, free_ts 842776597408
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1535
 prep_new_page mm/page_alloc.c:1542 [inline]
 get_page_from_freelist+0xdcd/0x2d10 mm/page_alloc.c:3224
 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4480
 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+0x8c7/0x1580 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+0x4ed/0x680 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2910 [inline]
 ntfs_alloc_inode+0x25/0x70 fs/ntfs3/super.c:546
 alloc_inode+0x5d/0x220 fs/inode.c:261
 iget5_locked fs/inode.c:1271 [inline]
 iget5_locked+0x63/0xe0 fs/inode.c:1264
 ntfs_iget5+0xd6/0x3960 fs/ntfs3/inode.c:525
 ntfs_extend_init+0xf4/0x560 fs/ntfs3/fsntfs.c:224
 ntfs_fill_super+0x385e/0x43d0 fs/ntfs3/super.c:1475
 get_tree_bdev+0x3b5/0x650 fs/super.c:1580
 vfs_get_tree+0x8c/0x370 fs/super.c:1753
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1138 [inline]
 free_unref_page+0x554/0xd70 mm/page_alloc.c:2460
 __unfreeze_partials+0x21d/0x240 mm/slub.c:2655
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x6a/0x170 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x18e/0x1d0 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x65/0x90 mm/kasan/common.c:306
 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+0x16c/0x3b0 mm/slub.c:3502
 getname_flags.part.0+0x50/0x4d0 fs/namei.c:140
 getname_flags+0x9c/0xf0 include/linux/audit.h:321
 vfs_fstatat+0x9a/0x140 fs/stat.c:331
 __do_sys_newfstatat+0x98/0x110 fs/stat.c:502
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Memory state around the buggy address:
 ffff88809165c880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88809165c900: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88809165c980: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
                                     ^
 ffff88809165ca00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88809165ca80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================