05/04/2023 18:03, Bruce Richardson:
> This patchset introduces a series of changes to remove variable-length
> arrays from the telemetry code. The first patch replaces a VLA with
> malloc memory for the serialization of the json objects contained within
> the main response object, which fixes a crash observed on alpine linux.
> 
> Subsequent patches rework the json printing code to avoid the use of
> temporary buffers where possible, or use malloc-allocated memory where
> not.
> 
> Based off testing with the unit tests for telemetry, json serialization
> for the telemetry callbacks should always use the path where a temporary
> buffer is *not* used, but the allocation-case is kept to ensure that any
> unexpected edge-cases are covered too.
> 
> V3: remove use of non-standard asprintf function in patch 2.
> 
> V2: expand from single fix for Alpine, to general cleanup to remove VLAs
> 
> Bruce Richardson (5):
>   telemetry: fix autotest failures on Alpine
>   telemetry: remove variable length array in printf fn
>   telemetry: split out body of json string format fn
>   telemetry: rename local variables
>   telemetry: remove VLA in json string format function

Applied, thanks.



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