EXT4-fs error (device loop1): ext4_truncate:4390: inode #19: comm syz-executor.1: mark_inode_dirty error
------------[ cut here ]------------
kernel BUG at fs/ext4/inode.c:2464!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 383 Comm: syz-executor.1 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2464 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2505 [inline]
RIP: 0010:ext4_writepages+0x2d49/0x2e00 fs/ext4/inode.c:2873
Code: 08 48 89 df e8 a8 16 ce ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 28 48 8b 4c 24 20 45 89 f0 e8 7e 42 07 00 eb 56 e8 c7 26 94 ff <0f> 0b e8 c0 26 94 ff eb 2f e8 b9 26 94 ff eb 64 e8 b2 26 94 ff 31
RSP: 0018:ffffc900012373e0 EFLAGS: 00010293
RAX: ffffffff81cf7ed9 RBX: 0000000000000000 RCX: ffff8881113ba780
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001237750 R08: dffffc0000000000 R09: ffffed10242c09bd
R10: ffffed10242c09bd R11: 1ffff110242c09bc R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000042b
FS:  00007f38f60ff6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fddc1f01000 CR3: 0000000123807000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_writepages+0x12a/0x270 mm/page-writeback.c:2380
 __filemap_fdatawrite_range+0x2bc/0x360 mm/filemap.c:427
 file_write_and_wait_range+0x8c/0x110 mm/filemap.c:766
 ext4_sync_file+0x1a9/0x9f0 fs/ext4/fsync.c:151
 vfs_fsync_range+0x190/0x1a0 fs/sync.c:202
 generic_write_sync include/linux/fs.h:2920 [inline]
 ext4_buffered_write_iter+0x59b/0x640 fs/ext4/file.c:278
 ext4_file_write_iter+0x536/0x1980 fs/ext4/file.c:-1
 call_write_iter include/linux/fs.h:2066 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x725/0xd60 fs/read_write.c:605
 ksys_write+0x140/0x240 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f38f657c859
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:00007f38f60ff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f38f669bf80 RCX: 00007f38f657c859
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00007f38f65d8ad0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f38f669bf80 R15: 00007fff4da6a508
Modules linked in:
---[ end trace 5343cc6785a1f620 ]---
RIP: 0010:mpage_map_one_extent fs/ext4/inode.c:2464 [inline]
RIP: 0010:mpage_map_and_submit_extent fs/ext4/inode.c:2505 [inline]
RIP: 0010:ext4_writepages+0x2d49/0x2e00 fs/ext4/inode.c:2873
Code: 08 48 89 df e8 a8 16 ce ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 28 48 8b 4c 24 20 45 89 f0 e8 7e 42 07 00 eb 56 e8 c7 26 94 ff <0f> 0b e8 c0 26 94 ff eb 2f e8 b9 26 94 ff eb 64 e8 b2 26 94 ff 31
RSP: 0018:ffffc900012373e0 EFLAGS: 00010293
RAX: ffffffff81cf7ed9 RBX: 0000000000000000 RCX: ffff8881113ba780
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90001237750 R08: dffffc0000000000 R09: ffffed10242c09bd
R10: ffffed10242c09bd R11: 1ffff110242c09bc R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 000000000000042b
FS:  00007f38f60ff6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f292c6de000 CR3: 0000000123807000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400