------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2759!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 17182 Comm: syz.4.3524 Not tainted 6.1.131-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2758
Code: c7 10 aa 4c 8d 4c 89 f2 e8 c4 de 33 02 e9 b9 fb ff ff e8 3a 8f 4f ff 0f 0b e8 33 8f 4f ff 0f 0b e8 2c 67 76 08 e8 27 8f 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc90003987340 EFLAGS: 00010283
RAX: ffffffff823b1a99 RBX: 0000008000000000 RCX: 0000000000080000
RDX: ffffc90005789000 RSI: 00000000000066ee RDI: 00000000000066ef
RBP: ffffc90003987730 R08: ffffffff823ae350 R09: ffffed100ab00650
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90003987960 R14: 0000008410000000 R15: ffffc90003987600
FS:  00007f629d7ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000000 CR3: 0000000067811000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 do_writepages+0x3a2/0x670 mm/page-writeback.c:2491
 filemap_fdatawrite_wbc+0x121/0x180 mm/filemap.c:388
 __filemap_fdatawrite_range mm/filemap.c:421 [inline]
 file_write_and_wait_range+0x1ca/0x2b0 mm/filemap.c:774
 ext4_sync_file+0x249/0xcc0 fs/ext4/fsync.c:151
 generic_write_sync include/linux/fs.h:2962 [inline]
 ext4_buffered_write_iter+0x30a/0x3a0 fs/ext4/file.c:292
 ext4_file_write_iter+0x1d7/0x1930
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x857/0xbc0 fs/read_write.c:584
 ksys_write+0x19c/0x2c0 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f629d98d169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f629d7ff038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f629dba6080 RCX: 00007f629d98d169
RDX: 0000000000000078 RSI: 0000200000000640 RDI: 0000000000000004
RBP: 00007f629da0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f629dba6080 R15: 00007ffc7612dd18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_writepages+0x3dd9/0x3de0 fs/ext4/inode.c:2758
Code: c7 10 aa 4c 8d 4c 89 f2 e8 c4 de 33 02 e9 b9 fb ff ff e8 3a 8f 4f ff 0f 0b e8 33 8f 4f ff 0f 0b e8 2c 67 76 08 e8 27 8f 4f ff <0f> 0b 0f 1f 44 00 00 41 57 41 56 41 55 41 54 53 49 89 f7 49 89 fe
RSP: 0018:ffffc90003987340 EFLAGS: 00010283
RAX: ffffffff823b1a99 RBX: 0000008000000000 RCX: 0000000000080000
RDX: ffffc90005789000 RSI: 00000000000066ee RDI: 00000000000066ef
RBP: ffffc90003987730 R08: ffffffff823ae350 R09: ffffed100ab00650
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000001
R13: ffffc90003987960 R14: 0000008410000000 R15: ffffc90003987600
FS:  00007f629d7ff6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b316f7ff8 CR3: 0000000067811000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400