EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled
EXT4-fs (loop3): feature flags set on rev 0 fs, running e2fsck is recommended
==================================================================
BUG: KASAN: slab-out-of-bounds in __ext4_iget+0x2f8/0x3eb0 fs/ext4/inode.c:4708
Read of size 8 at addr ffff88803a40e730 by task syz-executor.3/15349

CPU: 0 PID: 15349 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: 0033:0x7f5c29e7e1ea
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:00007f5c2aba0ee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f5c2aba0f80 RCX: 00007f5c29e7e1ea
RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007f5c2aba0f40
RBP: 0000000020000040 R08: 00007f5c2aba0f80 R09: 0000000001400040
R10: 0000000001400040 R11: 0000000000000202 R12: 0000000020000500
R13: 00007f5c2aba0f40 R14: 00000000000004d2 R15: 000000000000002c
 </TASK>

Allocated by task 4803:
 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_fill_super+0x4222/0x4c30 fs/ntfs3/super.c:1423
 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_fill_super+0x445a/0x4c30 fs/ntfs3/super.c:1464
 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
 dispose_list fs/inode.c:697 [inline]
 evict_inodes+0x5f8/0x690 fs/inode.c:747
 generic_shutdown_super+0x9d/0x2c0 fs/super.c:672
 kill_block_super+0x41/0x70 fs/super.c:1646
 ntfs3_kill_sb+0x44/0x1b0 fs/ntfs3/super.c:1727
 deactivate_locked_super+0xa4/0x110 fs/super.c:481
 cleanup_mnt+0x426/0x4c0 fs/namespace.c:1254
 task_work_run+0x24a/0x300 kernel/task_work.c:180
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0xde/0x100 kernel/entry/common.c:171
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:204
 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline]
 syscall_exit_to_user_mode+0x64/0x280 kernel/entry/common.c:296
 do_syscall_64+0x4d/0xc0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x63/0xcd

The buggy address belongs to the object at ffff88803a40dfe0
 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 [ffff88803a40dfe0, ffff88803a40e6c0)

The buggy address belongs to the physical page:
page:ffffea0000e90200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88803a40d120 pfn:0x3a408
head:ffffea0000e90200 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0
memcg:ffff888020513a01
flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: 0xffffffff()
raw: 00fff00000000840 ffff888014b95780 ffffea0001db9210 ffffea0000e9cc10
raw: ffff88803a40d120 0000000000110007 00000001ffffffff ffff888020513a01
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 7001, tgid 6998 (syz-executor.1), ts 234373915801, free_ts 234070198595
 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+0x4222/0x4c30 fs/ntfs3/super.c:1423
 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
 mt_alloc_one lib/maple_tree.c:160 [inline]
 mas_alloc_nodes+0x276/0x800 lib/maple_tree.c:1249
 mas_node_count_gfp lib/maple_tree.c:1329 [inline]
 mas_preallocate+0xed3/0x14f0 lib/maple_tree.c:5467
 vma_iter_prealloc mm/internal.h:1077 [inline]
 vma_expand+0x5c8/0x9a0 mm/mmap.c:650
 mmap_region+0xc4a/0x2280 mm/mmap.c:2719
 do_mmap+0x8d3/0xfa0 mm/mmap.c:1354
 vm_mmap_pgoff+0x1dc/0x410 mm/util.c:546
 ksys_mmap_pgoff+0x4ff/0x6d0 mm/mmap.c:1400
 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:
 ffff88803a40e600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88803a40e680: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
>ffff88803a40e700: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
                                     ^
 ffff88803a40e780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff88803a40e800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================