Hi Alex, On Sat, Sep 04, 2021 at 08:38:51AM +0000, Alexander Egorenkov via Elfutils-devel wrote: > i'm facing an issue with libelf when i try to add a new section to an > ELF file. > > How to reproduce the issue: > 1. Create a simple ELF file with libelf containing only 2 sections, NULL and > a string table > 2. Close ELF file > 3. Reopen the new ELF file in RW mode with libelf > 4. Add new section with elf_newscn() > 5. Update ELF with elf_update() > 6. Assertion appears > > The weird thing is that if i add only a new program segment then > everything goes well. But as soon as i add a new section, it fails. > > Error message: > > test: elf32_updatenull.c:214: __elf64_updatenull_wrlock: Assertion `shdr > != NULL' failed. > > Any hint what i'm doing wrong ?
I don't immediately know. Could you post the code you are using and/or the generated file after step 2? That might make it a bit easier to see exactly what is going on. Thanks, Mark
