loop0: detected capacity change from 0 to 1024
EXT4-fs (loop0): revision level too high, forcing read-only mode
EXT4-fs (loop0): orphan cleanup on readonly fs
==================================================================
BUG: KASAN: use-after-free in __ext4_iget+0x2ee/0x3f00 fs/ext4/inode.c:4672
Read of size 8 at addr ffff8881093db588 by task syz.0.1284/5640

CPU: 0 PID: 5640 Comm: syz.0.1284 Not tainted 5.15.156-syzkaller-00821-g29d153aabd54 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 print_address_description+0x87/0x3b0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x179/0x1c0 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 __ext4_iget+0x2ee/0x3f00 fs/ext4/inode.c:4672
 ext4_quota_enable fs/ext4/super.c:6378 [inline]
 ext4_enable_quotas+0x556/0x980 fs/ext4/super.c:6414
 ext4_orphan_cleanup+0x41f/0x1060 fs/ext4/orphan.c:432
 ext4_fill_super+0x8dc8/0x96e0 fs/ext4/super.c:4965
 mount_bdev+0x282/0x3b0 fs/super.c:1387
 ext4_mount+0x34/0x40 fs/ext4/super.c:6593
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
 vfs_get_tree+0x88/0x290 fs/super.c:1517
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3005
 path_mount+0x671/0x1070 fs/namespace.c:3335
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3533
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3533
 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fbd1af4861a
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:00007fbd19bc3e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fbd19bc3ef0 RCX: 00007fbd1af4861a
RDX: 0000000020000140 RSI: 00000000200005c0 RDI: 00007fbd19bc3eb0
RBP: 0000000020000140 R08: 00007fbd19bc3ef0 R09: 0000000000008202
R10: 0000000000008202 R11: 0000000000000246 R12: 00000000200005c0
R13: 00007fbd19bc3eb0 R14: 0000000000000602 R15: 000000000000002c
 </TASK>

Allocated by task 5607:
 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:433 [inline]
 __kasan_slab_alloc+0xb1/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x53/0x2c0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3240 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0xf5/0x200 mm/slub.c:3253
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2805 [inline]
 f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
 alloc_inode fs/inode.c:236 [inline]
 new_inode_pseudo+0x64/0x220 fs/inode.c:937
 new_inode+0x28/0x1c0 fs/inode.c:966
 f2fs_new_inode+0x10e/0x1410 fs/f2fs/namei.c:36
 f2fs_mkdir+0x12f/0x570 fs/f2fs/namei.c:766
 vfs_mkdir+0x3f6/0x610 fs/namei.c:4065
 ovl_do_mkdir fs/overlayfs/overlayfs.h:162 [inline]
 ovl_mkdir_real+0x59/0x1a0 fs/overlayfs/dir.c:145
 ovl_workdir_create+0x3b8/0x7a0 fs/overlayfs/super.c:818
 ovl_make_workdir fs/overlayfs/super.c:1396 [inline]
 ovl_get_workdir+0x3a8/0x1250 fs/overlayfs/super.c:1546
 ovl_fill_super+0x1c0c/0x2a70 fs/overlayfs/super.c:2102
 mount_nodev+0x57/0xf0 fs/super.c:1433
 ovl_mount+0x2c/0x40 fs/overlayfs/super.c:2192
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
 vfs_get_tree+0x88/0x290 fs/super.c:1517
 do_new_mount+0x2ba/0xb30 fs/namespace.c:3005
 path_mount+0x671/0x1070 fs/namespace.c:3335
 do_mount fs/namespace.c:3348 [inline]
 __do_sys_mount fs/namespace.c:3556 [inline]
 __se_sys_mount+0x2c4/0x3b0 fs/namespace.c:3533
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3533
 x64_sys_call+0x49d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:166
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Freed by task 13:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x126/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1723 [inline]
 slab_free_freelist_hook+0xbd/0x190 mm/slub.c:1749
 slab_free mm/slub.c:3519 [inline]
 kmem_cache_free+0x116/0x2e0 mm/slub.c:3535
 f2fs_free_inode+0x24/0x30 fs/f2fs/super.c:1550
 i_callback+0x4b/0x70 fs/inode.c:225
 rcu_do_batch+0x57a/0xc10 kernel/rcu/tree.c:2523
 rcu_core+0x517/0x1020 kernel/rcu/tree.c:2763
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2776
 __do_softirq+0x26d/0x5bf kernel/softirq.c:565

Last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x135/0x1310 kernel/rcu/tree.c:3125
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5df/0x630 fs/inode.c:602
 dispose_list fs/inode.c:620 [inline]
 evict_inodes+0x5db/0x660 fs/inode.c:670
 generic_shutdown_super+0x9c/0x2e0 fs/super.c:454
 kill_block_super+0x7e/0xe0 fs/super.c:1414
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4657
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

Second to last potentially related work creation:
 kasan_save_stack+0x3b/0x60 mm/kasan/common.c:38
 __kasan_record_aux_stack+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu_common kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x135/0x1310 kernel/rcu/tree.c:3125
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5df/0x630 fs/inode.c:602
 dispose_list fs/inode.c:620 [inline]
 evict_inodes+0x5db/0x660 fs/inode.c:670
 generic_shutdown_super+0x9c/0x2e0 fs/super.c:454
 kill_block_super+0x7e/0xe0 fs/super.c:1414
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4657
 deactivate_locked_super+0xad/0x110 fs/super.c:335
 deactivate_super+0xbe/0xf0 fs/super.c:366
 cleanup_mnt+0x45c/0x510 fs/namespace.c:1143
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1150
 task_work_run+0x129/0x190 kernel/task_work.c:164
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xc4/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff8881093db080
 which belongs to the cache f2fs_inode_cache of size 1424
The buggy address is located 1288 bytes inside of
 1424-byte region [ffff8881093db080, ffff8881093db610)
The buggy address belongs to the page:
page:ffffea000424f600 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff8881093de100 pfn:0x1093d8
head:ffffea000424f600 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888107fbb080
raw: ffff8881093de100 0000000080150012 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 358, ts 23961450316, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2605
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2611
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4485
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5779
 allocate_slab mm/slub.c:1932 [inline]
 new_slab+0x9a/0x4e0 mm/slub.c:1995
 ___slab_alloc+0x39e/0x830 mm/slub.c:3028
 __slab_alloc+0x4a/0x90 mm/slub.c:3115
 slab_alloc_node mm/slub.c:3206 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0x134/0x200 mm/slub.c:3253
 f2fs_kmem_cache_alloc fs/f2fs/f2fs.h:2805 [inline]
 f2fs_alloc_inode+0x26/0x340 fs/f2fs/super.c:1406
 alloc_inode fs/inode.c:236 [inline]
 iget_locked+0x174/0x860 fs/inode.c:1244
 f2fs_iget+0x55/0x5040 fs/f2fs/inode.c:498
 f2fs_fill_super+0x6688/0x8170 fs/f2fs/super.c:4376
 mount_bdev+0x282/0x3b0 fs/super.c:1387
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4625
 legacy_get_tree+0xf1/0x190 fs/fs_context.c:611
 vfs_get_tree+0x88/0x290 fs/super.c:1517
page_owner free stack trace missing

Memory state around the buggy address:
 ffff8881093db480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881093db500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881093db580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                      ^
 ffff8881093db600: fb fb fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881093db680: fc fc 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop0): ext4_quota_enable:6378: inode #3: comm syz.0.1284: unexpected EA_INODE flag
EXT4-fs (loop0): Remounting filesystem read-only
EXT4-fs error (device loop0): ext4_quota_enable:6381: comm syz.0.1284: Bad quota inode: 3, type: 0
EXT4-fs warning (device loop0): ext4_enable_quotas:6422: Failed to enable quota tracking (type=0, err=-117, ino=3). Please run e2fsck to fix.
EXT4-fs (loop0): Cannot turn on quotas: error -117
EXT4-fs (loop0): mounted filesystem without journal. Opts: max_dir_size_kb=0x00000000000001ff,stripe=0x0000000000000000,grpid,errors=remount-ro,noblock_validity,block_validity,minixdf,noauto_da_alloc,. Quota mode: writeback.