==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_iget+0x2f8/0x3eb0 fs/ext4/inode.c:4708
Read of size 8 at addr ffff88803aa83af0 by task syz-executor.3/11874

CPU: 0 PID: 11874 Comm: syz-executor.3 Not tainted 6.6.0-rc3-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+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+0x175/0x1b0 mm/kasan/report.c:588
 __ext4_iget+0x2f8/0x3eb0 fs/ext4/inode.c:4708
 ext4_quota_enable fs/ext4/super.c:7038 [inline]
 ext4_enable_quotas+0x56c/0xb90 fs/ext4/super.c:7074
 __ext4_fill_super fs/ext4/super.c:5568 [inline]
 ext4_fill_super+0x61d8/0x6d10 fs/ext4/super.c:5703
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7ff95247e1ea
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:00007ff950ffdee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007ff950ffdf80 RCX: 00007ff95247e1ea
RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007ff950ffdf40
RBP: 0000000020000040 R08: 00007ff950ffdf80 R09: 000000000001c916
R10: 000000000001c916 R11: 0000000000000202 R12: 0000000020000500
R13: 00007ff950ffdf40 R14: 00000000000004cb R15: 0000000020000080
 </TASK>

Allocated by task 11469:
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4f/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x66/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x67/0x3d0 mm/slab.h:762
 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+0x122/0x300 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2868 [inline]
 ntfs_alloc_inode+0x28/0x80 fs/ntfs3/super.c:546
 alloc_inode fs/inode.c:259 [inline]
 iget5_locked+0xa0/0x270 fs/inode.c:1269
 ntfs_iget5+0xc6/0x38e0 fs/ntfs3/inode.c:525
 ntfs_loadlog_and_replay+0x17d/0x530 fs/ntfs3/fsntfs.c:297
 ntfs_fill_super+0x2c51/0x4c30 fs/ntfs3/super.c:1222
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Last potentially related work creation:
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xad/0xc0 mm/kasan/generic.c:492
 __call_rcu_common kernel/rcu/tree.c:2653 [inline]
 call_rcu+0x167/0xa70 kernel/rcu/tree.c:2767
 ntfs_loadlog_and_replay+0x2dd/0x530 fs/ntfs3/fsntfs.c:326
 ntfs_fill_super+0x2c51/0x4c30 fs/ntfs3/super.c:1222
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

Second to last potentially related work creation:
 kasan_save_stack+0x3f/0x60 mm/kasan/common.c:45
 __kasan_record_aux_stack+0xad/0xc0 mm/kasan/generic.c:492
 __call_rcu_common kernel/rcu/tree.c:2653 [inline]
 call_rcu+0x167/0xa70 kernel/rcu/tree.c:2767
 ntfs_fill_super+0x3596/0x4c30 fs/ntfs3/super.c:1300
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88803aa833a0
 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 [ffff88803aa833a0, ffff88803aa83a80)

The buggy address belongs to the physical page:
page:ffffea0000eaa000 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88803aa84260 pfn:0x3aa80
head:ffffea0000eaa000 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff88801e82cc01
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff8881412a2b40 ffff888014b57408 ffffea0000f18810
raw: ffff88803aa84260 0000000000110003 00000001ffffffff ffff88801e82cc01
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 7418, tgid 7417 (syz-executor.2), ts 259939799491, free_ts 259284845911
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook+0x1e6/0x210 mm/page_alloc.c:1536
 prep_new_page mm/page_alloc.c:1543 [inline]
 get_page_from_freelist+0x31db/0x3360 mm/page_alloc.c:3170
 __alloc_pages+0x255/0x670 mm/page_alloc.c:4426
 alloc_slab_page+0x6a/0x160 mm/slub.c:1870
 allocate_slab mm/slub.c:2017 [inline]
 new_slab+0x84/0x2f0 mm/slub.c:2070
 ___slab_alloc+0xc85/0x1310 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]
 slab_alloc mm/slub.c:3486 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3493 [inline]
 kmem_cache_alloc_lru+0x1bf/0x300 mm/slub.c:3509
 alloc_inode_sb include/linux/fs.h:2868 [inline]
 ntfs_alloc_inode+0x28/0x80 fs/ntfs3/super.c:546
 alloc_inode fs/inode.c:259 [inline]
 iget5_locked+0xa0/0x270 fs/inode.c:1269
 ntfs_iget5+0xc6/0x38e0 fs/ntfs3/inode.c:525
 ntfs_fill_super+0x369f/0x4c30 fs/ntfs3/super.c:1312
 get_tree_bdev+0x416/0x5b0 fs/super.c:1577
 vfs_get_tree+0x8c/0x280 fs/super.c:1750
 do_new_mount+0x28f/0xae0 fs/namespace.c:3335
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1136 [inline]
 free_unref_page_prepare+0x8c3/0x9f0 mm/page_alloc.c:2312
 free_unref_page+0x37/0x3f0 mm/page_alloc.c:2405
 __slab_free+0x2f6/0x390 mm/slub.c:3715
 qlink_free mm/kasan/quarantine.c:166 [inline]
 qlist_free_all+0x75/0xe0 mm/kasan/quarantine.c:185
 kasan_quarantine_reduce+0x14b/0x160 mm/kasan/quarantine.c:292
 __kasan_slab_alloc+0x23/0x70 mm/kasan/common.c:305
 kasan_slab_alloc include/linux/kasan.h:188 [inline]
 slab_post_alloc_hook+0x67/0x3d0 mm/slab.h:762
 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+0x123/0x300 mm/slub.c:3502
 kmem_cache_zalloc include/linux/slab.h:710 [inline]
 lsm_file_alloc security/security.c:612 [inline]
 security_file_alloc+0x28/0x120 security/security.c:2603
 init_file+0xa5/0x220 fs/file_table.c:161
 alloc_empty_file+0xb8/0x1d0 fs/file_table.c:210
 path_openat+0xfa/0x3180 fs/namei.c:3782
 do_filp_open+0x234/0x490 fs/namei.c:3823
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_openat fs/open.c:1453 [inline]
 __se_sys_openat fs/open.c:1448 [inline]
 __x64_sys_openat+0x247/0x290 fs/open.c:1448
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80

Memory state around the buggy address:
 ffff88803aa83980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88803aa83a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88803aa83a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
                                                             ^
 ffff88803aa83b00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88803aa83b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================