EXT4-fs: Quota format mount options ignored when QUOTA feature is enabled EXT4-fs (loop5): feature flags set on rev 0 fs, running e2fsck is recommended ================================================================== BUG: KASAN: slab-out-of-bounds in check_igot_inode+0x187/0x1b0 fs/ext4/inode.c:4656 Read of size 8 at addr ffff88803ceec250 by task syz-executor.5/21383 CPU: 0 PID: 21383 Comm: syz-executor.5 Not tainted 6.5.0-syzkaller-12921-ga3c57ab79a06 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 Call Trace: __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+0x9ac9/0xad40 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: 0033:0x7f2c43c7e1ea 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:00007f2c449bcee8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2c449bcf80 RCX: 00007f2c43c7e1ea RDX: 0000000020000040 RSI: 0000000020000500 RDI: 00007f2c449bcf40 RBP: 0000000020000040 R08: 00007f2c449bcf80 R09: 0000000001400040 R10: 0000000001400040 R11: 0000000000000202 R12: 0000000020000500 R13: 00007f2c449bcf40 R14: 00000000000004d2 R15: 000000000000002c Allocated by task 6359: 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_fill_super+0x205b/0x4330 fs/ntfs3/super.c:1150 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 ntfs3_put_sbi+0x16d/0x1e0 fs/ntfs3/super.c:592 generic_shutdown_super+0x161/0x3c0 fs/super.c:693 kill_block_super+0x3b/0x70 fs/super.c:1646 ntfs3_kill_sb+0x3f/0xf0 fs/ntfs3/super.c:1727 deactivate_locked_super+0x9a/0x170 fs/super.c:481 deactivate_super+0xde/0x100 fs/super.c:514 cleanup_mnt+0x222/0x3d0 fs/namespace.c:1254 task_work_run+0x14d/0x240 kernel/task_work.c:179 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:171 [inline] exit_to_user_mode_prepare+0x210/0x240 kernel/entry/common.c:204 __syscall_exit_to_user_mode_work kernel/entry/common.c:285 [inline] syscall_exit_to_user_mode+0x1d/0x60 kernel/entry/common.c:296 do_syscall_64+0x44/0xb0 arch/x86/entry/common.c:86 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_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 The buggy address belongs to the object at ffff88803ceebb00 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 [ffff88803ceebb00, ffff88803ceec1e0) The buggy address belongs to the physical page: page:ffffea0000f3ba00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88803cee8760 pfn:0x3cee8 head:ffffea0000f3ba00 order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff888076009501 flags: 0xfff00000000840(slab|head|node=0|zone=1|lastcpupid=0x7ff) page_type: 0xffffffff() raw: 00fff00000000840 ffff888014f82280 ffffea0001dcec10 ffffea0000f3d010 raw: ffff88803cee8760 0000000000110003 00000001ffffffff ffff888076009501 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 11095, tgid 11079 (syz-executor.5), ts 515841886263, free_ts 469565935329 set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook+0x2cf/0x340 mm/page_alloc.c:1536 prep_new_page mm/page_alloc.c:1543 [inline] get_page_from_freelist+0xee0/0x2f20 mm/page_alloc.c:3170 __alloc_pages+0x1d0/0x4a0 mm/page_alloc.c:4426 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 dir_search_u+0x162/0x3d0 fs/ntfs3/dir.c:264 ntfs_lookup+0x1c5/0x2a0 fs/ntfs3/namei.c:85 lookup_one_qstr_excl+0x116/0x180 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3890 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+0x476/0xa40 mm/page_alloc.c:2312 free_unref_page+0x33/0x3b0 mm/page_alloc.c:2405 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: ffff88803ceec100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88803ceec180: 00 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff88803ceec200: fc fc fc fc fc fc fc fc fc fc fc fc 00 00 00 00 ^ ffff88803ceec280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff88803ceec300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== __quota_error: 8 callbacks suppressed Quota error (device loop5): v2_read_header: Failed header read: expected=8 got=0 EXT4-fs warning (device loop5): ext4_enable_quotas:7078: Failed to enable quota tracking (type=0, err=-22, ino=3). Please run e2fsck to fix. EXT4-fs (loop5): mount failed