floating point exception on (*vips.ImageRef).Label

[cg10036]

After running that code, the program exits with a floating point exception in about a minute.

package main

import (
	"github.com/davidbyttow/govips/v2/vips"
)

func main() {
	vips.Startup(&vips.Config{
		MaxCacheFiles: 0,
		MaxCacheMem:   0,
		MaxCacheSize:  0,
	})
	defer vips.Shutdown()

	for {
		size := 30

		img, err := vips.Black(size, size)
		if err != nil {
			panic(err)
		}

		if err := img.Label(&vips.LabelParams{
			Text:      "7",
			Font:      "Sans",
			Width:     vips.Scalar{Value: float64(size)},
			Height:    vips.Scalar{Value: float64(size)},
			OffsetX:   vips.Scalar{Value: 0},
			OffsetY:   vips.Scalar{Value: 0},
			Color:     vips.Color{R: 255, G: 255, B: 255},
			Opacity:   1,
			Alignment: vips.AlignCenter,
		}); err != nil {
			panic(err)
		}
	}
}

2024/04/11 08:17:09 [VIPS.info] found /usr/lib/x86_64-linux-gnu/vips-modules-8.14
2024/04/11 08:17:09 [VIPS.info] using configure-time prefix
2024/04/11 08:17:09 [VIPS.info] VIPS_PREFIX = /usr
2024/04/11 08:17:09 [VIPS.info] VIPS_LIBDIR = /usr/lib/x86_64-linux-gnu
2024/04/11 08:17:09 [VIPS.info] prefix = /usr
2024/04/11 08:17:09 [VIPS.info] libdir = /usr/lib/x86_64-linux-gnu
2024/04/11 08:17:09 [VIPS.info] searching "/usr/lib/x86_64-linux-gnu/vips-modules-8.14"
2024/04/11 08:17:09 [VIPS.info] loading "/usr/lib/x86_64-linux-gnu/vips-modules-8.14/vips-magick.so"
2024/04/11 08:17:09 [VIPS.info] loading "/usr/lib/x86_64-linux-gnu/vips-modules-8.14/vips-jxl.so"
2024/04/11 08:17:09 [VIPS.info] loading "/usr/lib/x86_64-linux-gnu/vips-modules-8.14/vips-heif.so"
2024/04/11 08:17:09 [VIPS.info] loading "/usr/lib/x86_64-linux-gnu/vips-modules-8.14/vips-poppler.so"
2024/04/11 08:17:09 [VIPS.info] loading "/usr/lib/x86_64-linux-gnu/vips-modules-8.14/vips-openslide.so"
2024/04/11 08:17:09 [VIPS.info] searching "/usr/lib/x86_64-linux-gnu/vips-plugins-8.14"
2024/04/11 08:17:09 [govips.info] vips 8.14.1 started with concurrency=8 cache_max_files=0 cache_max_mem=0 cache_max=0
2024/04/11 08:17:09 [govips.info] registered image type loader type=jp2k
2024/04/11 08:17:09 [govips.info] registered image type loader type=gif
2024/04/11 08:17:09 [govips.info] registered image type loader type=png
2024/04/11 08:17:09 [govips.info] registered image type loader type=svg
2024/04/11 08:17:09 [govips.info] registered image type loader type=webp
2024/04/11 08:17:09 [govips.info] registered image type loader type=heif
2024/04/11 08:17:09 [govips.info] registered image type loader type=heif
2024/04/11 08:17:09 [govips.info] registered image type loader type=jxl
2024/04/11 08:17:09 [govips.info] registered image type loader type=jpeg
2024/04/11 08:17:09 [govips.info] registered image type loader type=magick
2024/04/11 08:17:09 [govips.info] registered image type loader type=pdf
2024/04/11 08:17:09 [govips.info] registered image type loader type=tiff
signal: floating point exception (core dumped)

(gdb) bt
#0  runtime.raise () at /usr/local/go/src/runtime/sys_linux_amd64.s:154
#1  0x00000000004516db in runtime.raisebadsignal (sig=8, c=0x7f7466e9ef50) at /usr/local/go/src/runtime/signal_unix.go:987
#2  0x0000000000451a47 in runtime.badsignal (sig=8, c=0x7f7466e9ef50) at /usr/local/go/src/runtime/signal_unix.go:1096
#3  0x0000000000450388 in runtime.sigtrampgo (sig=8, info=0x7f7466e9f0f0, ctx=0x7f7466e9efc0) at /usr/local/go/src/runtime/signal_unix.go:468
#4  0x000000000046c746 in runtime.sigtramp () at /usr/local/go/src/runtime/sys_linux_amd64.s:352
#5  0x00007f74ccb23050 in <signal handler called> () at /lib/x86_64-linux-gnu/libc.so.6
#6  0x00007f74ccd09697 in g_hash_table_lookup () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007f74cc84311d in  () at /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0
#8  0x00007f74ccce855d in g_atomic_rc_box_release_full () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#9  0x00007f74cc842ea7 in  () at /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0
#10 0x00007f74cc842f37 in  () at /lib/x86_64-linux-gnu/libpangoft2-1.0.so.0
#11 0x00007f74ccd46cfd in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f74ccb70134 in start_thread (arg=<optimized out>) at ./nptl/pthread_create.c:442
#13 0x00007f74ccbf07dc in clone3 () at ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81

[ViperG]

I believe I also have the same issue, however in our case it's an AWS go lambda that randomly gets the error on images that have a label added.