EXT4-fs (loop8): orphan cleanup on readonly fs
==================================================================
BUG: KASAN: use-after-free in __ext4_iget+0x3a0/0x41f0 fs/ext4/inode.c:4766
Read of size 8 at addr ffff88812efa8528 by task syz.8.3414/12470

CPU: 0 PID: 12470 Comm: syz.8.3414 Tainted: G        W         5.10.226-syzkaller-00001-g6a01908517df #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 print_address_description+0x81/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:452
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 __ext4_iget+0x3a0/0x41f0 fs/ext4/inode.c:4766
 ext4_quota_enable fs/ext4/super.c:6423 [inline]
 ext4_enable_quotas+0x56f/0x9f0 fs/ext4/super.c:6459
 ext4_orphan_cleanup+0x2d7/0xd50 fs/ext4/super.c:3046
 ext4_fill_super+0x888c/0x9150 fs/ext4/super.c:5075
 mount_bdev+0x262/0x370 fs/super.c:1440
 ext4_mount+0x34/0x40 fs/ext4/super.c:6638
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1570
 do_new_mount+0x2ba/0xb30 fs/namespace.c:2910
 path_mount+0x56f/0xcb0 fs/namespace.c:3240
 do_mount fs/namespace.c:3253 [inline]
 __do_sys_mount fs/namespace.c:3461 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3438
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3438
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd509a69efa
Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd5086bfe68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fd5086bfef0 RCX: 00007fd509a69efa
RDX: 0000000020000040 RSI: 0000000020000000 RDI: 00007fd5086bfeb0
RBP: 0000000020000040 R08: 00007fd5086bfef0 R09: 0000000000004517
R10: 0000000000004517 R11: 0000000000000246 R12: 0000000020000000
R13: 00007fd5086bfeb0 R14: 00000000000004b3 R15: 0000000020000d40

Allocated by task 11034:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:430 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:463
 kasan_slab_alloc include/linux/kasan.h:244 [inline]
 slab_post_alloc_hook+0x61/0x2f0 mm/slab.h:583
 slab_alloc_node mm/slub.c:2947 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x168/0x2e0 mm/slub.c:2960
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2776 [inline]
 f2fs_alloc_inode+0x26/0x420 fs/f2fs/super.c:1373
 alloc_inode fs/inode.c:233 [inline]
 iget_locked+0x14f/0x870 fs/inode.c:1271
 f2fs_iget+0x55/0x50a0 fs/f2fs/inode.c:498
 f2fs_fill_super+0x4c90/0x7e30 fs/f2fs/super.c:4198
 mount_bdev+0x262/0x370 fs/super.c:1440
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4553
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1570
 do_new_mount+0x2ba/0xb30 fs/namespace.c:2910
 path_mount+0x56f/0xcb0 fs/namespace.c:3240
 do_mount fs/namespace.c:3253 [inline]
 __do_sys_mount fs/namespace.c:3461 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3438
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3438
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu kernel/rcu/tree.c:2976 [inline]
 call_rcu+0x135/0x11f0 kernel/rcu/tree.c:3050
 destroy_inode fs/inode.c:288 [inline]
 evict+0x8e8/0x9c0 fs/inode.c:629
 iput_final fs/inode.c:1732 [inline]
 iput+0x632/0x7e0 fs/inode.c:1758
 f2fs_put_super+0x692/0xc10 fs/f2fs/super.c:1616
 generic_shutdown_super+0x14f/0x2d0 fs/super.c:465
 kill_block_super+0x7e/0xe0 fs/super.c:1467
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4585
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

Second to last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0x100 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu kernel/rcu/tree.c:2976 [inline]
 call_rcu+0x135/0x11f0 kernel/rcu/tree.c:3050
 destroy_inode fs/inode.c:288 [inline]
 evict+0x8e8/0x9c0 fs/inode.c:629
 iput_final fs/inode.c:1732 [inline]
 iput+0x632/0x7e0 fs/inode.c:1758
 f2fs_put_super+0x692/0xc10 fs/f2fs/super.c:1616
 generic_shutdown_super+0x14f/0x2d0 fs/super.c:465
 kill_block_super+0x7e/0xe0 fs/super.c:1467
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4585
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1125
 task_work_run+0x129/0x190 kernel/task_work.c:189
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_user_mode_loop+0xbf/0xd0 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:199 [inline]
 syscall_exit_to_user_mode+0xa2/0x1a0 kernel/entry/common.c:274
 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88812efa8000
 which belongs to the cache f2fs_inode_cache of size 1520
The buggy address is located 1320 bytes inside of
 1520-byte region [ffff88812efa8000, ffff88812efa85f0)
The buggy address belongs to the page:
page:ffffea0004bbea00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88812efab9f0 pfn:0x12efa8
head:ffffea0004bbea00 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 dead000000000100 dead000000000122 ffff8881029dec00
raw: ffff88812efab9f0 0000000080130007 00000001ffffffff 0000000000000000
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 6022, ts 365670032946, free_ts 29573483357
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x166/0x180 mm/page_alloc.c:2462
 get_page_from_freelist+0x2d8c/0x2f30 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x435/0xaf0 mm/page_alloc.c:5348
 allocate_slab mm/slub.c:1808 [inline]
 new_slab+0x80/0x400 mm/slub.c:1869
 new_slab_objects mm/slub.c:2627 [inline]
 ___slab_alloc+0x302/0x4b0 mm/slub.c:2791
 __slab_alloc+0x63/0xa0 mm/slub.c:2831
 slab_alloc_node mm/slub.c:2913 [inline]
 slab_alloc mm/slub.c:2955 [inline]
 kmem_cache_alloc+0x1b9/0x2e0 mm/slub.c:2960
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2776 [inline]
 f2fs_alloc_inode+0x26/0x420 fs/f2fs/super.c:1373
 alloc_inode fs/inode.c:233 [inline]
 iget_locked+0x14f/0x870 fs/inode.c:1271
 f2fs_iget+0x55/0x50a0 fs/f2fs/inode.c:498
 f2fs_fill_super+0x4c90/0x7e30 fs/f2fs/super.c:4198
 mount_bdev+0x262/0x370 fs/super.c:1440
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4553
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:593
 vfs_get_tree+0x88/0x290 fs/super.c:1570
 do_new_mount+0x2ba/0xb30 fs/namespace.c:2910
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:28 [inline]
 free_pages_prepare mm/page_alloc.c:1349 [inline]
 free_pcp_prepare mm/page_alloc.c:1421 [inline]
 free_unref_page_prepare+0x2ae/0x2d0 mm/page_alloc.c:3336
 free_unref_page_list+0x122/0xb20 mm/page_alloc.c:3443
 release_pages+0xea0/0xef0 mm/swap.c:1103
 __pagevec_release+0x84/0x100 mm/swap.c:1123
 pagevec_release include/linux/pagevec.h:88 [inline]
 shmem_undo_range+0x7d1/0x1a60 mm/shmem.c:965
 shmem_truncate_range mm/shmem.c:1069 [inline]
 shmem_evict_inode+0x215/0x9d0 mm/shmem.c:1169
 evict+0x526/0x9c0 fs/inode.c:612
 iput_final fs/inode.c:1732 [inline]
 iput+0x632/0x7e0 fs/inode.c:1758
 dentry_unlink_inode+0x2ea/0x3d0 fs/dcache.c:378
 __dentry_kill+0x447/0x650 fs/dcache.c:583
 dentry_kill+0xc0/0x2a0
 dput+0x40/0x80 fs/dcache.c:883
 __fput+0x52e/0x7b0 fs/file_table.c:294
 ____fput+0x15/0x20 fs/file_table.c:314
 task_work_run+0x129/0x190 kernel/task_work.c:189
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xc83/0x2a50 kernel/exit.c:863

Memory state around the buggy address:
 ffff88812efa8400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88812efa8480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88812efa8500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                  ^
 ffff88812efa8580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc
 ffff88812efa8600: fc fc fc fc fc fc fc fc fc fc fc fc fc fc 00 00
==================================================================
EXT4-fs warning (device loop8): ext4_enable_quotas:6467: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix.
EXT4-fs (loop8): Cannot turn on quotas: error -13
EXT4-fs (loop8): 1 orphan inode deleted
EXT4-fs (loop8): mounted filesystem without journal. Opts: ,errors=continue