Describe the bug
When using vips from the command line to convert a webp to a pyramid tiff results in a segmentation fault.

To Reproduce
Steps to reproduce the behavior:

1. Image
   9508b7_73d53d2e7e8b42d4a4918d2de8e0f2ca_mv2_d_3873_2380_s_2.zip
   (Added as zip due to github not allowing webp)
2. Command:
   vips im_vips2tiff 9508b7_73d53d2e7e8b42d4a4918d2de8e0f2ca_mv2_d_3873_2380_s_2.webp 9508b7_73d53d2e7e8b42d4a4918d2de8e0f2ca_mv2_d_3873_2380_s_2.ptif:jpeg:90,tile:256x256,pyramid

Expected behavior
A pyramid tiff should be created. No segmentation fault should occur.

Actual behavior
The command exits with segmentation fault.

Environment

• OS: Manjaro with 5.4.64-1-MANJARO kernel
• Vips: 8.10.1-1