shopify-scripts: SIGSEGV in mrb_class

PoC ------------------- Attached as testmrbclass.rb: Debug - mirb ------------------- Program received signal SIGSEGV, Segmentation fault. 0x0000000000402ef2 in mrbclass mrb=0x6b0010, v=... at /home/x/Desktop/test/mruby/include/mruby/class.h:50 50 return mrbobjptrv-c; gdb l 45 case MRBTTCPTR: 46...

shopify-scripts: SIGSEGV in str_buf_cat

PoC ------------------- Attached as teststrbufcat.rb Debug - mirb ------------------- Program received signal SIGSEGV, Segmentation fault. memcpysse2unaligned at ../sysdeps/x8664/multiarch/memcpy-sse2-unaligned.S:36 36 ../sysdeps/x8664/multiarch/memcpy-sse2-unaligned.S: No such file or directory...

shopify-scripts: Crash: Overwriting NoMethodError with a builtin class crashes/corrupts memory

Uhm, while testing this I seem to have broken https://mruby.science.. Ooops, sorry about that! Anyway, here's the bug: Overwriting at least, not sure about other triggers NoMethodError with a builtin class like Fixnum or Integer leads to a rather interesting behavior. https://mruby.science didn't...