EXT4-fs (loop4): Ignoring removed orlov option
==================================================================
BUG: KASAN: use-after-free in check_igot_inode fs/ext4/inode.c:4953 [inline]
BUG: KASAN: use-after-free in __ext4_iget+0x384/0x4330 fs/ext4/inode.c:5001
Read of size 8 at addr ffff8881dd792ad0 by task syz.4.5791/22729

CPU: 0 PID: 22729 Comm: syz.4.5791 Not tainted 5.4.290-syzkaller-00001-g986c38813dff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 print_address_description+0x8c/0x600 mm/kasan/report.c:384
 __kasan_report+0xf3/0x120 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:653
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/generic_report.c:132
 check_igot_inode fs/ext4/inode.c:4953 [inline]
 __ext4_iget+0x384/0x4330 fs/ext4/inode.c:5001
 ext4_quota_enable fs/ext4/super.c:6056 [inline]
 ext4_enable_quotas+0x528/0x940 fs/ext4/super.c:6092
 ext4_fill_super+0x84f0/0x8d90 fs/ext4/super.c:4708
 mount_bdev+0x273/0x380 fs/super.c:1428
 ext4_mount+0x34/0x40 fs/ext4/super.c:6279
 legacy_get_tree+0xee/0x190 fs/fs_context.c:648
 vfs_get_tree+0x88/0x290 fs/super.c:1558
 do_new_mount+0x292/0x570 fs/namespace.c:2850
 do_mount+0x688/0xe10 fs/namespace.c:3170
 ksys_mount+0xcc/0x100 fs/namespace.c:3379
 __do_sys_mount fs/namespace.c:3393 [inline]
 __se_sys_mount fs/namespace.c:3390 [inline]
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3390
 do_syscall_64+0xd8/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1
RIP: 0033:0x7fa32cc1490a
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:00007fa32b25ae68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fa32b25aef0 RCX: 00007fa32cc1490a
RDX: 0000200000000080 RSI: 00002000000000c0 RDI: 00007fa32b25aeb0
RBP: 0000200000000080 R08: 00007fa32b25aef0 R09: 000000000020081e
R10: 000000000020081e R11: 0000000000000246 R12: 00002000000000c0
R13: 00007fa32b25aeb0 R14: 00000000000004ef R15: 0000200000000a00

Allocated by task 16639:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529
 kasan_slab_alloc+0xe/0x10 mm/kasan/common.c:537
 slab_post_alloc_hook mm/slab.h:584 [inline]
 slab_alloc_node mm/slub.c:2829 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0xe0/0x260 mm/slub.c:2842
 f2fs_alloc_inode+0x26/0x3c0 fs/f2fs/super.c:1241
 alloc_inode fs/inode.c:231 [inline]
 iget_locked+0x14f/0x850 fs/inode.c:1273
 f2fs_iget+0x55/0x4c50 fs/f2fs/inode.c:499
 f2fs_fill_super+0x6a4a/0x8330 fs/f2fs/super.c:4079
 mount_bdev+0x273/0x380 fs/super.c:1428
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4316
 legacy_get_tree+0xee/0x190 fs/fs_context.c:648
 vfs_get_tree+0x88/0x290 fs/super.c:1558
 do_new_mount+0x292/0x570 fs/namespace.c:2850
 do_mount+0x688/0xe10 fs/namespace.c:3170
 ksys_mount+0xcc/0x100 fs/namespace.c:3379
 __do_sys_mount fs/namespace.c:3393 [inline]
 __se_sys_mount fs/namespace.c:3390 [inline]
 __x64_sys_mount+0xbf/0xd0 fs/namespace.c:3390
 do_syscall_64+0xd8/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Freed by task 16654:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 kasan_set_free_info mm/kasan/common.c:345 [inline]
 __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487
 kasan_slab_free+0xe/0x10 mm/kasan/common.c:496
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook mm/slub.c:1494 [inline]
 slab_free mm/slub.c:3080 [inline]
 kmem_cache_free+0x1a0/0x410 mm/slub.c:3096
 f2fs_free_inode+0x24/0x30 fs/f2fs/super.c:1397
 i_callback+0x4b/0x70 fs/inode.c:220
 __rcu_reclaim kernel/rcu/rcu.h:222 [inline]
 rcu_do_batch+0x492/0xa00 kernel/rcu/tree.c:2167
 rcu_core+0x4c8/0xcb0 kernel/rcu/tree.c:2387
 rcu_core_si+0x9/0x10 kernel/rcu/tree.c:2396
 __do_softirq+0x24a/0x687 kernel/softirq.c:292

The buggy address belongs to the object at ffff8881dd792610
 which belongs to the cache f2fs_inode_cache of size 1264
The buggy address is located 1216 bytes inside of
 1264-byte region [ffff8881dd792610, ffff8881dd792b00)
The buggy address belongs to the page:
page:ffffea000775e400 refcount:1 mapcount:0 mapping:ffff8881f080d180 index:0x0 compound_mapcount: 0
flags: 0x8000000000010200(slab|head)
raw: 8000000000010200 ffffea0007753200 0000000500000005 ffff8881f080d180
raw: 0000000000000000 0000000080170017 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)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:2165 [inline]
 prep_new_page+0x192/0x370 mm/page_alloc.c:2171
 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893
 alloc_slab_page+0x3b/0x400 mm/slub.c:343
 allocate_slab mm/slub.c:1683 [inline]
 new_slab+0x98/0x430 mm/slub.c:1749
 new_slab_objects mm/slub.c:2505 [inline]
 ___slab_alloc+0x2e0/0x460 mm/slub.c:2667
 __slab_alloc+0x63/0xa0 mm/slub.c:2707
 slab_alloc_node mm/slub.c:2792 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0x12a/0x260 mm/slub.c:2842
 f2fs_alloc_inode+0x26/0x3c0 fs/f2fs/super.c:1241
 alloc_inode fs/inode.c:231 [inline]
 iget_locked+0x14f/0x850 fs/inode.c:1273
 f2fs_iget+0x55/0x4c50 fs/f2fs/inode.c:499
 f2fs_fill_super+0x4d1b/0x8330 fs/f2fs/super.c:3963
 mount_bdev+0x273/0x380 fs/super.c:1428
 f2fs_mount+0x34/0x40 fs/f2fs/super.c:4316
 legacy_get_tree+0xee/0x190 fs/fs_context.c:648
 vfs_get_tree+0x88/0x290 fs/super.c:1558
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:24 [inline]
 free_pages_prepare mm/page_alloc.c:1176 [inline]
 free_pcp_prepare mm/page_alloc.c:1233 [inline]
 free_unref_page_prepare+0x2a3/0x390 mm/page_alloc.c:3085
 free_unref_page_list+0x10a/0x590 mm/page_alloc.c:3154
 release_pages+0xad8/0xb20 mm/swap.c:842
 free_pages_and_swap_cache+0x8a/0xa0 mm/swap_state.c:297
 tlb_batch_pages_flush mm/mmu_gather.c:49 [inline]
 tlb_flush_mmu_free mm/mmu_gather.c:189 [inline]
 tlb_flush_mmu mm/mmu_gather.c:196 [inline]
 tlb_finish_mmu+0x177/0x320 mm/mmu_gather.c:277
 unmap_region+0x31c/0x370 mm/mmap.c:2644
 __do_munmap+0x696/0x8c0 mm/mmap.c:2875
 __vm_munmap mm/mmap.c:2898 [inline]
 __do_sys_munmap mm/mmap.c:2924 [inline]
 __se_sys_munmap+0x11d/0x1a0 mm/mmap.c:2920
 __x64_sys_munmap+0x5b/0x70 mm/mmap.c:2920
 do_syscall_64+0xd8/0x170 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Memory state around the buggy address:
 ffff8881dd792980: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff8881dd792a00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881dd792a80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                 ^
 ffff8881dd792b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff8881dd792b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================
EXT4-fs warning (device loop4): ext4_enable_quotas:6100: Failed to enable quota tracking (type=0, err=-13, ino=3). Please run e2fsck to fix.
EXT4-fs (loop4): mount failed