------------[ cut here ]------------ ext4_has_inline_data(inode) WARNING: fs/ext4/inode.c:3784 at ext4_iomap_begin+0x1722/0x1940 fs/ext4/inode.c:3784, CPU#1: syz.3.405/11474 Modules linked in: CPU: 1 UID: 0 PID: 11474 Comm: syz.3.405 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:ext4_iomap_begin+0x1722/0x1940 fs/ext4/inode.c:3784 Code: c6 44 3c 04 f8 4c 8b 6c 24 10 e9 83 eb ff ff e8 34 8c 47 ff 4c 8b 64 24 50 43 c6 44 3c 04 f8 e9 6e eb ff ff e8 1f 8c 47 ff 90 <0f> 0b 90 bb de ff ff ff e9 8f ef ff ff 89 d1 80 e1 07 38 c1 0f 8c RSP: 0018:ffffc90004827560 EFLAGS: 00010293 RAX: ffffffff827cdca1 RBX: 0000000000000000 RCX: ffff8880307c9ec0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900048276f8 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100c7fbd55 R12: 1ffff92000904ec4 R13: ffff888063fdecf8 R14: 00000000000000d4 R15: dffffc0000000000 FS: 00007f8b402b46c0(0000) GS:ffff88812627d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f38e0c3d76b CR3: 000000002a340000 CR4: 00000000003526f0 Call Trace: iomap_iter+0x600/0xf90 fs/iomap/iter.c:110 __iomap_dio_rw+0xcda/0x1e40 fs/iomap/direct-io.c:806 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:901 ext4_dio_write_iter fs/ext4/file.c:592 [inline] ext4_file_write_iter+0x1682/0x1c10 fs/ext4/file.c:733 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x629/0xba0 fs/read_write.c:688 ksys_write+0x156/0x270 fs/read_write.c:740 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8b4209cdd9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8b402b4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f8b42316180 RCX: 00007f8b4209cdd9 RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f8b42132d69 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f8b42316218 R14: 00007f8b42316180 R15: 00007ffc7ff24e18