SIGILL @ rpi3 on alpine armhf container

[mo3rfan]

Commit: 4280238

Warnings

• Clear sentinel warnings in NiceWrapper.cpp c85bb79
• Clear up format string warnings in librtcdcpp.cpp 49e67bc
• Clear up trampoline warnings in 2in1.c 819c115

[mo3rfan]

/psl-librtcdcpp # python3 python/stress_test.py
terminate called after throwing an instance of 'std::runtime_error'
  what():  Couldn't close file
Aborted (core dumped)

/psl-librtcdcpp/examples/websocket_client # ./2in1

====================++++10++

Process 12 exited with a coredump!!

[mo3rfan]

Debugging inside an alpine docker container with --cap-add=SYS_PTRACE --security-opt seccomp=unconfined https://stackoverflow.com/a/46676907/679829

(gdb) exec-file ./2in1
(gdb) core-file ./core
[New LWP 411]
[New LWP 386]
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warning: Can't read pathname for load map: No error information.
Core was generated by `./2in1'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x76efb27c in __lookup_serv () from /lib/ld-musl-armhf.so.1
[Current thread is 1 (LWP 411)]
(gdb) bt
#0  0x76efb27c in __lookup_serv () at /lib/ld-musl-armhf.so.1
#1  0x76ef8084 in getaddrinfo () at /lib/ld-musl-armhf.so.1
(gdb) l
1       crt/arm/crti.s: No such file or directory.
(gdb) frame 1
#1  0x76ef8084 in getaddrinfo () from /lib/ld-musl-armhf.so.1
(gdb) l
1       in crt/arm/crti.s

GDB freezes when I try to run a program inside it. CPU goes to 100% and stays there. I was only able to inspect the crash via the coredump method above.

[mo3rfan]

Had to install debug symbols for musl, glib and libnice.

[mo3rfan]

This was on alpine docker container under x86.