EXT4-fs error (device loop5): ext4_truncate:4292: inode #19: comm syz-executor.5: mark_inode_dirty error
==================================================================
BUG: KASAN: use-after-free in ext4_ext_binsearch fs/ext4/extents.c:827 [inline]
BUG: KASAN: use-after-free in ext4_find_extent+0xbab/0xdb0 fs/ext4/extents.c:946
Read of size 4 at addr ffff88811e7da784 by task syz-executor.5/407

CPU: 1 PID: 407 Comm: syz-executor.5 Not tainted 5.15.148-syzkaller-1069047-g993bed180178 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
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_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:308
 ext4_ext_binsearch fs/ext4/extents.c:827 [inline]
 ext4_find_extent+0xbab/0xdb0 fs/ext4/extents.c:946
 ext4_ext_map_blocks+0x254/0x7250 fs/ext4/extents.c:4103
 ext4_map_blocks+0xaa7/0x1e00 fs/ext4/inode.c:646
 mpage_map_one_extent fs/ext4/inode.c:2409 [inline]
 mpage_map_and_submit_extent fs/ext4/inode.c:2462 [inline]
 ext4_writepages+0x1628/0x4000 fs/ext4/inode.c:2830
 do_writepages+0x40e/0x670 mm/page-writeback.c:2366
 filemap_fdatawrite_wbc+0x248/0x2a0 mm/filemap.c:400
 __filemap_fdatawrite_range mm/filemap.c:433 [inline]
 file_write_and_wait_range+0x1cb/0x2b0 mm/filemap.c:810
 ext4_sync_file+0x1a2/0xa50 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:188
 generic_write_sync include/linux/fs.h:3023 [inline]
 ext4_buffered_write_iter+0x568/0x610 fs/ext4/file.c:277
 ext4_file_write_iter+0x443/0x1c80
 call_write_iter include/linux/fs.h:2202 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 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: 0033:0x7f3515663859
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 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:00007f35151e60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f3515782f80 RCX: 00007f3515663859
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00007f35156bfad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f3515782f80 R15: 00007ffeab0d06d8
 </TASK>

The buggy address belongs to the page:
page:ffffea000479f680 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11e7da
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 ffffea000479f6c8 ffffea000479f588 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x101cca(GFP_HIGHUSER_MOVABLE|__GFP_WRITE), pid 396, ts 42412801479, free_ts 42652475456
 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
 __alloc_pages_node include/linux/gfp.h:591 [inline]
 alloc_pages_node include/linux/gfp.h:605 [inline]
 alloc_pages include/linux/gfp.h:618 [inline]
 __page_cache_alloc include/linux/pagemap.h:305 [inline]
 pagecache_get_page+0xb18/0xeb0 mm/filemap.c:1940
 grab_cache_page_write_begin+0x5d/0xa0 mm/filemap.c:3797
 ext4_write_begin+0x29d/0x13d0 fs/ext4/inode.c:1184
 ext4_da_write_begin+0x4a2/0xc30 fs/ext4/inode.c:2976
 generic_perform_write+0x2bc/0x5a0 mm/filemap.c:3843
 ext4_buffered_write_iter+0x48a/0x610 fs/ext4/file.c:270
 ext4_file_write_iter+0x443/0x1c80
 call_write_iter include/linux/fs.h:2202 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 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
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]
 truncate_inode_pages_range+0x482/0x1160 mm/truncate.c:329
 truncate_inode_pages mm/truncate.c:425 [inline]
 truncate_inode_pages_final+0x83/0x90 mm/truncate.c:464
 ext4_evict_inode+0x3c8/0x14e0 fs/ext4/inode.c:214
 evict+0x2a3/0x630 fs/inode.c:587
 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
 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

Memory state around the buggy address:
 ffff88811e7da680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811e7da700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88811e7da780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                   ^
 ffff88811e7da800: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88811e7da880: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
EXT4-fs error (device loop5): ext4_map_blocks:716: inode #19: block 64236069870368: comm syz-executor.5: lblock 0 mapped to illegal pblock 64236069870368 (length 16)
EXT4-fs (loop5): Delayed block allocation failed for inode 19 at logical offset 0 with max blocks 16 with error 117