I found the issue in my case.

The problem was that elsewhere in the project, bufferless access to stdout/stdin (typical of using the linenoise console on a UART I believe) was set:


setvbuf(stdin, NULL, _IONBF, 0);
setvbuf(stdout, NULL, _IONBF, 0);


This makes fprintf use heap allocations. As I ...

I'm trying to use Heap Task Tracking to debug some issues with memory leaks.

Calling heap_caps_print_all_task_stat_overview or heap_caps_print_all_task_stat causes a deadlock in my project because fprintf/vfprintf which is used by those functions ultimately causes heap_caps_malloc to be called ...

Hello! I'm also interested in the HomeKit SDK. How could I get in touch with someone from Espressif?