[smartmontools-support] 'Smartctl: Exception: json.cpp(313): Assertion failed: p->type == nt_array' when using -l error and json options concurrently

[Christian Franke]

Hello Taylor,

Taylor Vent via Smartmontools-support wrote:
> Came across the following error that said to inform this email address:
> smartctl --all --json --tolerance=permissive --smart=on /dev/sda
> Smartctl: Exception: json.cpp(313): Assertion failed: p->type == nt_array
> Please inform smartmontools-support at listi.jpberlin.de, including 
> output of smartctl -V.
> Narrowing down the flags that --all includes, everything works except 
> for '-l error', which on its own and combined with --json fails with 
> the same error:
> smartctl -l error /dev/sda --json
> Smartctl: Exception: json.cpp(313): Assertion failed: p->type == nt_array
> Please inform smartmontools-support at listi.jpberlin.de, including 
> output of smartctl -V.
>
> Here is the output without the --json option:
>
> smartctl -l error /dev/sda
> smartctl 7.3 2022-02-28 r5338 [x86_64-linux-5.15.0-48-generic] (local 
> build)
> Copyright (C) 2002-22, Bruce Allen, Christian Franke, 
> www.smartmontools.org
> ...

Thanks for the detailed bug report. The problem should be fixed in 
r5434. Please test if possible. CI builds are available at 
https://builds.smartmontools.org/

Regards,
Christian