Hi Omar, On Mon, 2019-08-05 at 03:40 -0700, Omar Sandoval wrote: > From: Omar Sandoval <osan...@fb.com> > > dwfl_segment_report_module() (used only by dwfl_core_file_report()) > opens a file descriptor and/or an Elf handle, reports a module, and > assigns mod->main.elf. However, it doesn't assign mod->main.fd, so it > is > left as 0. This causes two problems: > > 1. We leak the file descriptor for the module. > 2. When we free the module, we close file descriptor 0 (stdin). > > Fix it by assigning mod->main.fd. > > Signed-off-by: Omar Sandoval <osan...@fb.com>
Very nice find! Using strace or valgrind --track-fds=yes on eu-stack --core it is easy to see what is going wrong. Luckily your fix is easy and obviously correct. Installed on master. Thanks, Mark
