On Mon, Oct 16, 2023 at 11:28:40AM -0700, Andrii Nakryiko wrote:
> Fix too eager assumption that SHT_GNU_verdef ELF section is going to be
> present whenever binary has SHT_GNU_versym section. It seems like either
> SHT_GNU_verdef or SHT_GNU_verneed can be used, so failing on missing
> SHT_GNU_verdef actually breaks use cases in production.
>
> One specific reported issue, which was used to manually test this fix,
> was trying to attach to `readline` function in BASH binary.
>
> Cc: Hengqi Chen <hengqi.chen@xxxxxxxxx>
> Reported-by: Liam Wisehart <liamwisehart@xxxxxxxx>
> Fixes: bb7fa09399b9 ("libbpf: Support symbol versioning for uprobe")
> Signed-off-by: Andrii Nakryiko <andrii@xxxxxxxxxx>
> ---
This was applied and tested internally and fixed the issue.
Tested-by: Manu Bretelle <chantr4@xxxxxxxxx>
