Re: [Tinycc-devel] AddressSanitizer: global-buffer-overflow

[Michael Matz]

Hello,

On Thu, 11 Feb 2021, Zhuo Zhang wrote:

> A global-buffer overflow occurs in commit 
> fbef90a7039b994907db34fde50f6fa5e46ab535 (ASAN on).
>
> System info: ubuntu 18.04, x86-64
>
> Without ASAN, tcc will encounter a segment fault due to this overflow.

Actually you won't get a segfault but an abort, due to an 
assert triggering.  That is fine.  Nevertheless it's nicer to not do 
out-of-bounds array accesses, so I've fixed that in mob.  Thanks for the 
report.


Ciao,
Michael.