From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> root@x1:/home/acme/git/pahole# pahole --running_kernel_vmlinux pahole: couldn't find a vmlinux that matches the running kernel HINT: Maybe you're inside a container or missing a debuginfo package? root@x1:/home/acme/git/pahole# tests/default_vmlinux_btf.sh Default BTF on a system without BTF: FAILED root@x1:/home/acme/git/pahole# pahole Segmentation fault (core dumped) root@x1:/home/acme/git/pahole# Now to fix this one as well. Reported-by: Matthias Schwarzott <zzam@xxxxxxxxxx> Cc: Alan Maguire <alan.maguire@xxxxxxxxxx> Cc: Andrii Nakryiko <andrii@xxxxxxxxxx> Cc: Eduard Zingerman <eddyz87@xxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Cc: Song Liu <song@xxxxxxxxxx> Cc: Yonghong Song <yonghong.song@xxxxxxxxx> Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- tests/default_vmlinux_btf.sh | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/tests/default_vmlinux_btf.sh b/tests/default_vmlinux_btf.sh index a9effa2d6d37e0ee..a855ca7587380934 100755 --- a/tests/default_vmlinux_btf.sh +++ b/tests/default_vmlinux_btf.sh @@ -17,5 +17,16 @@ if [ $nr_lines -eq 0 ] ; then exit 1 fi +# There is also the case where no debugging info is available, be it DWARF of +# BTF and it segfaults when calling just 'pahole', with no args, so check for +# that as well +# +nr_lines=$(PAHOLE_VMLINUX_BTF_FILENAME=foobar pahole 2>&1 | wc -l) + +if [ $nr_lines -eq 0 ] ; then + echo "FAILED" + exit 1 +fi + echo "Ok" exit 0 -- 2.47.0
