EXT4-fs (loop0): Delayed block allocation failed for inode 18 at logical offset 0 with max blocks 1 with error 28
EXT4-fs (loop0): This should not happen!! Data will be lost
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2844!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 464 Comm: kworker/u4:4 Not tainted 5.4.284-syzkaller-04999-gd4ce9fcac38b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: writeback wb_workfn (flush-7:4)
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: a7 9b ff 31 ff 89 de e8 58 a7 9b ff 45 84 f6 75 2e e8 3e a5 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 2a a5 9b ff <0f> 0b e8 23 a5 9b ff 0f 0b e8 1c a5 9b ff e8 b7 c2 37 ff eb 99 e8
RSP: 0018:ffff8881eb06f0e0 EFLAGS: 00010293
RAX: ffffffff81c89176 RBX: 0000010000000000 RCX: ffff8881f5cd9f80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881eb06f4d0 R08: ffffffff81c85dc6 R09: ffffed103ba59155
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881dd2c8b50
R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2dc20000 CR3: 00000001edb2c000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12b/0x270 mm/page-writeback.c:2366
 __writeback_single_inode+0xd9/0xcc0 fs/fs-writeback.c:1467
 writeback_sb_inodes+0x9e0/0x1800 fs/fs-writeback.c:1730
 wb_writeback+0x403/0xd70 fs/fs-writeback.c:1905
 wb_do_writeback fs/fs-writeback.c:2050 [inline]
 wb_workfn+0x3b6/0x1230 fs/fs-writeback.c:2091
 process_one_work+0x765/0xd20 kernel/workqueue.c:2290
 worker_thread+0xaef/0x1470 kernel/workqueue.c:2436
 kthread+0x2da/0x360 kernel/kthread.c:288
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:354
Modules linked in:
---[ end trace ebc10785e6fe6b05 ]---
RIP: 0010:ext4_writepages+0x3c96/0x3cc0 fs/ext4/inode.c:2843
Code: a7 9b ff 31 ff 89 de e8 58 a7 9b ff 45 84 f6 75 2e e8 3e a5 9b ff 49 bf 00 00 00 00 00 fc ff df e9 1d f9 ff ff e8 2a a5 9b ff <0f> 0b e8 23 a5 9b ff 0f 0b e8 1c a5 9b ff e8 b7 c2 37 ff eb 99 e8
RSP: 0018:ffff8881eb06f0e0 EFLAGS: 00010293
RAX: ffffffff81c89176 RBX: 0000010000000000 RCX: ffff8881f5cd9f80
RDX: 0000000000000000 RSI: 0000010000000000 RDI: 0000000000000000
RBP: ffff8881eb06f4d0 R08: ffffffff81c85dc6 R09: ffffed103ba59155
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881dd2c8b50
R13: 0000000000000001 R14: 0000010410000000 R15: dffffc0000000000
FS:  0000000000000000(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcffcbb7b0 CR3: 00000001eab9e000 CR4: 00000000003406b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400