EXT4-fs error (device loop3): ext4_xattr_ibody_get:591: inode #18: comm syz-executor.3: corrupted in-inode xattr
==================================================================
BUG: KASAN: use-after-free in get_max_inline_xattr_value_size+0x373/0x510 fs/ext4/inline.c:61
Read of size 4 at addr ffff8881e99b3084 by task syz-executor.3/4984

CPU: 1 PID: 4984 Comm: syz-executor.3 Not tainted 5.4.219-syzkaller-00002-ga0eae55f26a0 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d8/0x241 lib/dump_stack.c:118
 print_address_description+0x8c/0x630 mm/kasan/report.c:384
 __kasan_report+0xf6/0x130 mm/kasan/report.c:516
 kasan_report+0x30/0x60 mm/kasan/common.c:653
 get_max_inline_xattr_value_size+0x373/0x510 fs/ext4/inline.c:61
 ext4_get_max_inline_size+0x139/0x1f0 fs/ext4/inline.c:112
 ext4_try_to_write_inline_data+0xd9/0x1750 fs/ext4/inline.c:673
 ext4_write_begin+0x247/0x1d50 fs/ext4/inode.c:1312
 ext4_da_write_begin+0x4a8/0xf80 fs/ext4/inode.c:3110
 generic_perform_write+0x2f9/0x5a0 mm/filemap.c:3311
 __generic_file_write_iter+0x239/0x490 mm/filemap.c:3440
 ext4_file_write_iter+0x495/0x10e0 fs/ext4/file.c:270
 do_iter_readv_writev+0x529/0x740 fs/read_write.c:690
 do_iter_write+0x16f/0x570 fs/read_write.c:970
 iter_file_splice_write+0x887/0x10f0 fs/splice.c:746
 splice_direct_to_actor+0x4c4/0xb20 fs/splice.c:976
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:1064
 do_sendfile+0x8f2/0xf10 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1511
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Allocated by task 4963:
 save_stack mm/kasan/common.c:70 [inline]
 set_track mm/kasan/common.c:78 [inline]
 __kasan_kmalloc+0x131/0x1e0 mm/kasan/common.c:529
 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+0xd0/0x210 mm/slub.c:2842
 mempool_alloc+0x135/0x530 mm/mempool.c:393
 bio_alloc_bioset+0x1db/0x640 block/bio.c:483
 bio_alloc include/linux/bio.h:401 [inline]
 dio_bio_alloc fs/direct-io.c:440 [inline]
 dio_new_bio+0x55e/0xad0 fs/direct-io.c:741
 dio_send_cur_page+0x47a/0xe10 fs/direct-io.c:824
 submit_page_section+0x126/0x9b0 fs/direct-io.c:888
 do_direct_IO fs/direct-io.c:1102 [inline]
 do_blockdev_direct_IO fs/direct-io.c:1340 [inline]
 __blockdev_direct_IO+0x215f/0x4a50 fs/direct-io.c:1426
 ext4_direct_IO_read+0x232/0x290 fs/ext4/inode.c:3934
 ext4_direct_IO+0x7f5/0x18f0 fs/ext4/inode.c:3990
 generic_file_read_iter+0x1e48/0x2180 mm/filemap.c:2322
 call_read_iter include/linux/fs.h:1975 [inline]
 generic_file_splice_read+0x478/0x770 fs/splice.c:307
 do_splice_to fs/splice.c:877 [inline]
 splice_direct_to_actor+0x3f7/0xb20 fs/splice.c:955
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:1064
 do_sendfile+0x8f2/0xf10 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1511
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

Freed by task 4963:
 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+0x178/0x240 mm/kasan/common.c:487
 slab_free_hook mm/slub.c:1455 [inline]
 slab_free_freelist_hook+0x80/0x150 mm/slub.c:1494
 slab_free mm/slub.c:3080 [inline]
 kmem_cache_free+0xa9/0x1d0 mm/slub.c:3096
 dio_bio_complete fs/direct-io.c:559 [inline]
 dio_await_completion fs/direct-io.c:577 [inline]
 do_blockdev_direct_IO fs/direct-io.c:1397 [inline]
 __blockdev_direct_IO+0x3c29/0x4a50 fs/direct-io.c:1426
 ext4_direct_IO_read+0x232/0x290 fs/ext4/inode.c:3934
 ext4_direct_IO+0x7f5/0x18f0 fs/ext4/inode.c:3990
 generic_file_read_iter+0x1e48/0x2180 mm/filemap.c:2322
 call_read_iter include/linux/fs.h:1975 [inline]
 generic_file_splice_read+0x478/0x770 fs/splice.c:307
 do_splice_to fs/splice.c:877 [inline]
 splice_direct_to_actor+0x3f7/0xb20 fs/splice.c:955
 do_splice_direct+0x2a0/0x3f0 fs/splice.c:1064
 do_sendfile+0x8f2/0xf10 fs/read_write.c:1464
 __do_sys_sendfile64 fs/read_write.c:1525 [inline]
 __se_sys_sendfile64 fs/read_write.c:1511 [inline]
 __x64_sys_sendfile64+0x1ce/0x230 fs/read_write.c:1511
 do_syscall_64+0xcb/0x1c0 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x5c/0xc1

The buggy address belongs to the object at ffff8881e99b3000
 which belongs to the cache bio-0 of size 200
The buggy address is located 132 bytes inside of
 200-byte region [ffff8881e99b3000, ffff8881e99b30c8)
The buggy address belongs to the page:
page:ffffea0007a66cc0 refcount:1 mapcount:0 mapping:ffff8881f33e6c80 index:0x0
flags: 0x8000000000000200(slab)
raw: 8000000000000200 ffffea0006b290c0 0000000a0000000a ffff8881f33e6c80
raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x192800(GFP_NOWAIT|__GFP_NOWARN|__GFP_NORETRY|__GFP_NOMEMALLOC|__GFP_HARDWALL)
 set_page_owner include/linux/page_owner.h:31 [inline]
 post_alloc_hook mm/page_alloc.c:2165 [inline]
 prep_new_page+0x194/0x380 mm/page_alloc.c:2171
 get_page_from_freelist+0x524/0x560 mm/page_alloc.c:3794
 __alloc_pages_nodemask+0x372/0x860 mm/page_alloc.c:4891
 alloc_slab_page+0x39/0x3e0 mm/slub.c:343
 allocate_slab mm/slub.c:1683 [inline]
 new_slab+0x97/0x450 mm/slub.c:1749
 new_slab_objects mm/slub.c:2505 [inline]
 ___slab_alloc+0x320/0x4a0 mm/slub.c:2667
 __slab_alloc+0x5a/0x90 mm/slub.c:2707
 slab_alloc_node mm/slub.c:2792 [inline]
 slab_alloc mm/slub.c:2837 [inline]
 kmem_cache_alloc+0x100/0x210 mm/slub.c:2842
 mempool_alloc+0x135/0x530 mm/mempool.c:393
 bio_alloc_bioset+0x1db/0x640 block/bio.c:483
 bio_alloc include/linux/bio.h:401 [inline]
 submit_bh_wbc+0x1bc/0x790 fs/buffer.c:3042
 submit_bh+0x21/0x30 fs/buffer.c:3076
 jbd2_journal_commit_transaction+0x232d/0x5fa0 fs/jbd2/commit.c:729
 kjournald2+0x4a4/0x8d0 fs/jbd2/journal.c:209
 kthread+0x2d8/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
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_pages_ok+0x7fe/0x930 mm/page_alloc.c:1438
 free_the_page mm/page_alloc.c:4953 [inline]
 __free_pages+0x8f/0x250 mm/page_alloc.c:4959
 __free_slab+0x22b/0x2e0 mm/slub.c:1774
 free_slab mm/slub.c:1789 [inline]
 discard_slab mm/slub.c:1795 [inline]
 unfreeze_partials+0x14f/0x180 mm/slub.c:2288
 put_cpu_partial+0xb5/0x150 mm/slub.c:2324
 __slab_free+0x2ac/0x370 mm/slub.c:2971
 qlist_free_all+0x4c/0xb0 mm/kasan/quarantine.c:167
 quarantine_reduce+0x174/0x190 mm/kasan/quarantine.c:260
 __kasan_kmalloc+0x43/0x1e0 mm/kasan/common.c:507
 slab_post_alloc_hook mm/slab.h:584 [inline]
 kmem_cache_alloc_bulk+0x16f/0x270 mm/slub.c:3291
 io_get_req+0x17a/0x590 fs/io_uring.c:668
 io_submit_sqe+0x83/0xe80 fs/io_uring.c:2587
 io_submit_sqes fs/io_uring.c:2784 [inline]
 io_sq_thread+0xe5a/0x1c30 fs/io_uring.c:2910
 kthread+0x2d8/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354

Memory state around the buggy address:
 ffff8881e99b2f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8881e99b3000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff8881e99b3080: fb fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc
                   ^
 ffff8881e99b3100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb
 ffff8881e99b3180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
EXT4-fs error (device loop3): ext4_read_block_bitmap_nowait:430: comm syz-executor.3: Invalid block bitmap block 0 in block_group 0