BUG: KASAN: use-after-free in __ext4_iget+0x2ee/0x3f00 fs/ext4/inode.c:4672
Read of size 8 at addr ffff888164a49738 by task syz-executor.0/6873

CPU: 0 PID: 6873 Comm: syz-executor.0 Not tainted 5.15.148-syzkaller-00718-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 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:6366 [inline]
 ext4_enable_quotas+0x556/0x980 fs/ext4/super.c:6402
 ext4_fill_super+0x8b95/0x96e0 fs/ext4/super.c:4950
 mount_bdev+0x282/0x3b0 fs/super.c:1387
 ext4_mount+0x34/0x40 fs/ext4/super.c:6581
 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
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f7de215c4aa
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:00007f7de0edbef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f7de0edbf80 RCX: 00007f7de215c4aa
RDX: 00000000200004c0 RSI: 0000000020000500 RDI: 00007f7de0edbf40
RBP: 00000000200004c0 R08: 00007f7de0edbf80 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000500
R13: 00007f7de0edbf40 R14: 00000000000004a6 R15: 0000000020000240
 </TASK>

Allocated by task 2312:
 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:2795 [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+0x55/0x4de0 fs/f2fs/inode.c:489
 f2fs_fill_super+0x6632/0x80e0 fs/f2fs/super.c:4331
 mount_bdev+0x282/0x3b0 fs/super.c:1387
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4578
 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
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 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+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x133/0x12a0 kernel/rcu/tree.c:3087
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5df/0x630 fs/inode.c:602
 iput_final fs/inode.c:1705 [inline]
 iput+0x63b/0x7e0 fs/inode.c:1731
 f2fs_put_super+0x632/0xc10 fs/f2fs/super.c:1635
 generic_shutdown_super+0x157/0x2e0 fs/super.c:475
 kill_block_super+0x7e/0xe0 fs/super.c:1414
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4610
 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:175
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 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+0xd3/0xf0 mm/kasan/generic.c:348
 kasan_record_aux_stack_noalloc+0xb/0x10 mm/kasan/generic.c:358
 __call_rcu kernel/rcu/tree.c:3007 [inline]
 call_rcu+0x133/0x12a0 kernel/rcu/tree.c:3087
 destroy_inode fs/inode.c:291 [inline]
 evict+0x5df/0x630 fs/inode.c:602
 iput_final fs/inode.c:1705 [inline]
 iput+0x63b/0x7e0 fs/inode.c:1731
 f2fs_put_super+0x683/0xc10 fs/f2fs/super.c:1638
 generic_shutdown_super+0x157/0x2e0 fs/super.c:475
 kill_block_super+0x7e/0xe0 fs/super.c:1414
 kill_f2fs_super+0x2f9/0x3c0 fs/f2fs/super.c:4610
 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:175
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:208
 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:301
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff888164a49230
 which belongs to the cache f2fs_inode_cache of size 1424
The buggy address is located 1288 bytes inside of
 1424-byte region [ffff888164a49230, ffff888164a497c0)
The buggy address belongs to the page:
page:ffffea0005929200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888164a48000 pfn:0x164a48
head:ffffea0005929200 order:3 compound_mapcount:0 compound_pincount:0
flags: 0x4000000000010200(slab|head|zone=1)
raw: 4000000000010200 0000000000000000 dead000000000122 ffff888104bb0600
raw: ffff888164a48000 000000008015000d 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 1669, ts 189910462851, free_ts 177892969392
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1a3/0x1b0 mm/page_alloc.c:2604
 prep_new_page+0x1b/0x110 mm/page_alloc.c:2610
 get_page_from_freelist+0x3550/0x35d0 mm/page_alloc.c:4484
 __alloc_pages+0x27e/0x8f0 mm/page_alloc.c:5776
 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:2795 [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_create+0x178/0x1510 fs/f2fs/namei.c:358
 lookup_open fs/namei.c:3468 [inline]
 open_last_lookups fs/namei.c:3538 [inline]
 path_openat+0x13a8/0x2f40 fs/namei.c:3745
 do_filp_open+0x21c/0x460 fs/namei.c:3775
 do_sys_openat2+0x13f/0x830 fs/open.c:1234
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1471 [inline]
 free_pcp_prepare mm/page_alloc.c:1543 [inline]
 free_unref_page_prepare+0x7c8/0x7d0 mm/page_alloc.c:3533
 free_unref_page_list+0x14b/0xa60 mm/page_alloc.c:3670
 release_pages+0x1310/0x1370 mm/swap.c:1009
 __pagevec_release+0x84/0x100 mm/swap.c:1029
 pagevec_release include/linux/pagevec.h:81 [inline]
 shmem_undo_range+0x604/0x1560 mm/shmem.c:965
 shmem_truncate_range mm/shmem.c:1064 [inline]
 shmem_evict_inode+0x215/0x9d0 mm/shmem.c:1146
 evict+0x2a3/0x630 fs/inode.c:587
 iput_final fs/inode.c:1705 [inline]
 iput+0x63b/0x7e0 fs/inode.c:1731
 dentry_unlink_inode+0x34f/0x440 fs/dcache.c:376
 __dentry_kill+0x447/0x660 fs/dcache.c:582
 dentry_kill+0xc0/0x2a0
 dput+0x165/0x320 fs/dcache.c:888
 __fput+0x662/0x910 fs/file_table.c:288
 ____fput+0x15/0x20 fs/file_table.c:308
 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:175

Memory state around the buggy address:
 ffff888164a49600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888164a49680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff888164a49700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                        ^
 ffff888164a49780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888164a49800: fc fc fc fc fc fc fc fc 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs error (device loop0): ext4_quota_enable:6366: inode #3: comm syz-executor.0: unexpected EA_INODE flag
EXT4-fs error (device loop0): ext4_quota_enable:6369: comm syz-executor.0: Bad quota inode: 3, type: 0
EXT4-fs warning (device loop0): ext4_enable_quotas:6410: Failed to enable quota tracking (type=0, err=-117, ino=3). Please run e2fsck to fix.
EXT4-fs (loop0): mount failed