Hello,
My fuzzer found a strange file that seemed to keep the program occupying resources and unable to stop.
Description
The program consistently hangs after attempting to map a significant amount of memory (~1.66 GB) and receiving multiple SIGWINCH signals. This behavior suggests a potential issue with signal handling or memory management under specific conditions.
Steps to Reproduce
Compile the application.
Run the application using the following command:
example poc.png
Hello, My fuzzer found a strange file that seemed to keep the program occupying resources and unable to stop.
Description
The program consistently hangs after attempting to map a significant amount of memory (~1.66 GB) and receiving multiple SIGWINCH signals. This behavior suggests a potential issue with signal handling or memory management under specific conditions.
Steps to Reproduce
example poc.png
poc4.zip
More details
When I use
strace
to track the program, I find the output is like this:Then I used the debugger to check and found that it seemed to be accessing the child nodes in
render_element
by, kaiyu Xie