EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none. ------------[ cut here ]------------ ext4_has_inline_data(inode) WARNING: fs/ext4/inode.c:3794 at ext4_iomap_begin+0x1697/0x18b0 fs/ext4/inode.c:3794, CPU#1: syz.0.15/6469 Modules linked in: CPU: 1 UID: 0 PID: 6469 Comm: syz.0.15 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:ext4_iomap_begin+0x1697/0x18b0 fs/ext4/inode.c:3794 Code: 24 04 39 c3 0f 42 c3 41 01 c7 41 89 dc e9 0e f4 ff ff e8 7c ed 4b ff c7 44 24 18 09 00 00 00 e9 ea f3 ff ff e8 6a ed 4b ff 90 <0f> 0b 90 41 bc de ff ff ff e9 54 ff ff ff 44 89 e9 80 e1 07 38 c1 RSP: 0018:ffffc90004647560 EFLAGS: 00010293 RAX: ffffffff827749d6 RBX: 0000000000000000 RCX: ffff888030025ac0 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900046476f8 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed1008576188 R12: dffffc0000000000 R13: ffff888042bb0c38 R14: 00000000000000d4 R15: 1ffff920008c8ec4 FS: 00007f391b42e6c0(0000) GS:ffff8881266c9000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f391c1a1380 CR3: 000000003c47a000 CR4: 00000000003526f0 Call Trace: iomap_iter+0x600/0xf30 fs/iomap/iter.c:110 __iomap_dio_rw+0xcc7/0x1e10 fs/iomap/direct-io.c:752 iomap_dio_rw+0x45/0xb0 fs/iomap/direct-io.c:847 ext4_dio_write_iter fs/ext4/file.c:580 [inline] ext4_file_write_iter+0x16b4/0x1c20 fs/ext4/file.c:721 new_sync_write fs/read_write.c:593 [inline] vfs_write+0x629/0xba0 fs/read_write.c:686 ksys_write+0x156/0x270 fs/read_write.c:738 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f391c1b8429 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:00007f391b42e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f391c385f80 RCX: 00007f391c1b8429 RDX: 000000000000001c RSI: 0000000020000300 RDI: 0000000000000004 RBP: 00007f391c23b3ef R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f391c385f80 R15: 00007ffcdf2c4a18