Hello,
On Sun, 7 Feb 2021, Zhuo Zhang wrote:
Hi,
I am writing to report a stack exhaustion on current TinyC ‘mob’ Branch, which
is triggered when compiling a crafted program (named pop_stack.c and attacked).
+ How to trigger the bug:
simple run “./tcc poc_stack.c"
+ Detailed informat
Hello Danny,
On Sat, 13 Feb 2021, Danny Milosavljevic wrote:
as of commit 24c94fff09ea21f2e70b575256824e4648124aad on tinycc mob,
arm-asm is finished. I've added all that one could reasonably want in
lowest-common-denominator ARM assembly.
That's quite cool!
(For one-ARM-cpu-model-in-the-w
Hi,
On Fri, 22 Jan 2021 18:30:25 +0100
grischka wrote:
> Looks very good btw, the arm-asm ...
Thank you!
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Hi,
as of commit 24c94fff09ea21f2e70b575256824e4648124aad on tinycc mob, arm-asm
is finished. I've added all that one could reasonably want in
lowest-common-denominator ARM assembly.
(For one-ARM-cpu-model-in-the-world-can-do-it speciality stuff one can always
use '#define SPECIALINSTRUCTION ".i
Hello,
On Thu, 11 Feb 2021, Zhuo Zhang wrote:
A heap-buffer overflow occurs in commit
fbef90a7039b994907db34fde50f6fa5e46ab535 (ASAN on).
System info: ubuntu 18.04, x86-64
$ cat poc.c
a() {
int b;
asm("" : : ""(b == 0), ""(b));
}
Thanks for the report, it showed a real bug. Fixed in m
Hello,
On Thu, 11 Feb 2021, Zhuo Zhang wrote:
I find there is an assertion failure in current tcc code.
$ cat poc.c
int a = b(c() * 1e678);
$ ./tcc -c poc.c
test.c:1: warning: implicit declaration of function 'b'
test.c:1: warning: implicit declaration of function 'c'
tcc: x86_64-gen.c:530:
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 abor
Hello,
On Thu, 11 Feb 2021, Ayush Varshney wrote:
[1] https://www.researchgate.net/publication/245578769_Fully_Countering_Tru
sting_Trust_through_Diverse_Double-Compiling
On Thu, Feb 11, 2021 at 9:27 AM Ayush Varshney
wrote:
Hi everyone,
Hope you all are doing well!!
I am new to the tin
