EXT4-fs (loop5): Total free blocks count 0
EXT4-fs (loop5): Free/Dirty block details
EXT4-fs (loop5): free_blocks=0
EXT4-fs (loop5): dirty_blocks=0
EXT4-fs (loop5): Block reservation details
EXT4-fs (loop5): i_reserved_data_blocks=0
EXT4-fs warning (device loop5): ext4_da_release_space:1527: ext4_da_release_space: ino 18, to_free 1 with only 0 reserved data blocks
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1919 at fs/ext4/inode.c:1528 ext4_da_release_space+0x25e/0x370 fs/ext4/inode.c:1524
Modules linked in:
CPU: 1 PID: 1919 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-00063-g1a2dcbdde82e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:ext4_da_release_space+0x25e/0x370 fs/ext4/inode.c:1528
Code: a8 ff 4d 8b 07 4c 89 e7 48 c7 c6 7d ca 3d 8c ba f7 05 00 00 48 c7 c1 80 a5 a3 8a 45 89 f1 31 c0 53 e8 46 83 0e 00 48 83 c4 08 <0f> 0b 48 b8 00 00 00 00 00 fc ff df 8a 44 05 00 84 c0 0f 85 da 00
RSP: 0018:ffffc90004a46a70 EFLAGS: 00010292
RAX: bc44a60772a25700 RBX: 0000000000000000 RCX: bc44a60772a25700
RDX: ffffc9000fada000 RSI: 000000000001d8e6 RDI: 000000000001d8e7
RBP: 1ffff11008e3938e R08: ffffffff816b8dfd R09: fffff52000948cdd
R10: fffff52000948cdd R11: 1ffff92000948cdc R12: ffff88808f70e000
R13: ffff8880471c9c70 R14: 0000000000000001 R15: ffff8880471c9700
FS:  00007fd94f110700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f951fac6338 CR3: 000000007b906000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_es_remove_extent+0x1ab/0x260 fs/ext4/extents_status.c:1461
 mpage_release_unused_pages+0x238/0xf30 fs/ext4/inode.c:1589
 ext4_writepages+0x12eb/0x3be0 fs/ext4/inode.c:2852
 do_writepages+0x3c3/0x680 mm/page-writeback.c:2469
 filemap_fdatawrite_wbc+0x11e/0x170 mm/filemap.c:388
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x1d7/0x2e0 mm/filemap.c:774
 ext4_sync_file+0x1b0/0x850 fs/ext4/fsync.c:151
 generic_write_sync include/linux/fs.h:2883 [inline]
 ext4_buffered_write_iter+0x308/0x3a0 fs/ext4/file.c:292
 ext4_file_write_iter+0x1d0/0x18d0
 do_iter_write+0x6c2/0xc20 fs/read_write.c:861
 iter_file_splice_write+0x7fc/0xfc0 fs/splice.c:686
 do_splice_from fs/splice.c:764 [inline]
 direct_splice_actor+0xe6/0x1c0 fs/splice.c:931
 splice_direct_to_actor+0x4e4/0xc00 fs/splice.c:886
 do_splice_direct+0x279/0x3d0 fs/splice.c:974
 do_sendfile+0x5fb/0xf80 fs/read_write.c:1255
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64+0xd0/0x1b0 fs/read_write.c:1309
 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+0x63/0xcd
RIP: 0033:0x7fd94e48b5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd94f110168 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fd94e5abf80 RCX: 00007fd94e48b5a9
RDX: 00000000200001c0 RSI: 0000000000000003 RDI: 0000000000000003
RBP: 00007fd94f1101d0 R08: 0000000000000000 R09: 0000000000000000
R10: 00008080ffffff80 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffe443ed91f R14: 00007fd94f110300 R15: 0000000000022000
 </TASK>