loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none.
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2708!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 4114 Comm: syz-executor.0 Not tainted 5.18.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:ext4_writepages+0x1a88/0x2d10 fs/ext4/inode.c:2708
Code: 0f 87 c4 36 58 06 be 00 10 00 00 ba 01 00 00 00 4c 89 e7 48 d3 ee e8 97 67 fe ff 83 c0 01 89 84 24 c8 00 00 00 e9 48 eb ff ff <0f> 0b 89 44 24 08 e9 94 ef ff ff 48 8b 7c 24 28 e8 b3 60 b4 ff e9
RSP: 0018:ffffc90002ebf538 EFLAGS: 00010247
RAX: 000000c410000000 RBX: ffff88814bc1e000 RCX: ffffffff81f872c2
RDX: 1ffff1100e53f8d1 RSI: 0000000000000008 RDI: ffff8880729fc688
RBP: ffff8880729fc688 R08: 0000000000000000 R09: ffff8880729fc68f
R10: ffffed100e53f8d1 R11: 0000000000000000 R12: ffff8880729fc8e8
R13: ffffc90002ebfa70 R14: 0000000000000001 R15: ffff88814bc1e000
FS:  00007f631b97b700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe855688d8 CR3: 00000000156c9000 CR4: 0000000000350ee0
Call Trace:
 <TASK>
 do_writepages+0x16e/0x5f0 mm/page-writeback.c:2352
 filemap_fdatawrite_wbc mm/filemap.c:388 [inline]
 filemap_fdatawrite_wbc+0x107/0x170 mm/filemap.c:378
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x142/0x1a0 mm/filemap.c:779
 ext4_sync_file+0x1c8/0xc90 fs/ext4/fsync.c:151
 generic_write_sync include/linux/fs.h:2732 [inline]
 ext4_buffered_write_iter+0x201/0x2c0 fs/ext4/file.c:277
 ext4_file_write_iter+0x39d/0x1190 fs/ext4/file.c:679
 call_write_iter include/linux/fs.h:2050 [inline]
 new_sync_write+0x2e0/0x520 fs/read_write.c:504
 vfs_write+0x607/0x8f0 fs/read_write.c:591
 ksys_write+0xee/0x1c0 fs/read_write.c:644
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0x80 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x4665d9
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f631b97b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9
RDX: 0000000000000082 RSI: 0000000020000180 RDI: 0000000000000004
RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80
R13: 00007ffd5efb9bff R14: 00007f631b97b300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x1a88/0x2d10 fs/ext4/inode.c:2708
Code: 0f 87 c4 36 58 06 be 00 10 00 00 ba 01 00 00 00 4c 89 e7 48 d3 ee e8 97 67 fe ff 83 c0 01 89 84 24 c8 00 00 00 e9 48 eb ff ff <0f> 0b 89 44 24 08 e9 94 ef ff ff 48 8b 7c 24 28 e8 b3 60 b4 ff e9
RSP: 0018:ffffc90002ebf538 EFLAGS: 00010247
RAX: 000000c410000000 RBX: ffff88814bc1e000 RCX: ffffffff81f872c2
RDX: 1ffff1100e53f8d1 RSI: 0000000000000008 RDI: ffff8880729fc688
RBP: ffff8880729fc688 R08: 0000000000000000 R09: ffff8880729fc68f
R10: ffffed100e53f8d1 R11: 0000000000000000 R12: ffff8880729fc8e8
R13: ffffc90002ebfa70 R14: 0000000000000001 R15: ffff88814bc1e000
FS:  00007f631b97b700(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562de0a560d8 CR3: 00000000156c9000 CR4: 0000000000350ee0