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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /tools/lib/bpf/linker.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/lib/bpf/linker.c')
-rw-r--r--tools/lib/bpf/linker.c27
1 files changed, 23 insertions, 4 deletions
diff --git a/tools/lib/bpf/linker.c b/tools/lib/bpf/linker.c
index 5ced96d99f..16bca56002 100644
--- a/tools/lib/bpf/linker.c
+++ b/tools/lib/bpf/linker.c
@@ -719,13 +719,28 @@ static int linker_sanity_check_elf(struct src_obj *obj)
return -EINVAL;
}
- if (sec->shdr->sh_addralign && !is_pow_of_2(sec->shdr->sh_addralign))
+ if (is_dwarf_sec_name(sec->sec_name))
+ continue;
+
+ if (sec->shdr->sh_addralign && !is_pow_of_2(sec->shdr->sh_addralign)) {
+ pr_warn("ELF section #%zu alignment %llu is non pow-of-2 alignment in %s\n",
+ sec->sec_idx, (long long unsigned)sec->shdr->sh_addralign,
+ obj->filename);
return -EINVAL;
- if (sec->shdr->sh_addralign != sec->data->d_align)
+ }
+ if (sec->shdr->sh_addralign != sec->data->d_align) {
+ pr_warn("ELF section #%zu has inconsistent alignment addr=%llu != d=%llu in %s\n",
+ sec->sec_idx, (long long unsigned)sec->shdr->sh_addralign,
+ (long long unsigned)sec->data->d_align, obj->filename);
return -EINVAL;
+ }
- if (sec->shdr->sh_size != sec->data->d_size)
+ if (sec->shdr->sh_size != sec->data->d_size) {
+ pr_warn("ELF section #%zu has inconsistent section size sh=%llu != d=%llu in %s\n",
+ sec->sec_idx, (long long unsigned)sec->shdr->sh_size,
+ (long long unsigned)sec->data->d_size, obj->filename);
return -EINVAL;
+ }
switch (sec->shdr->sh_type) {
case SHT_SYMTAB:
@@ -737,8 +752,12 @@ static int linker_sanity_check_elf(struct src_obj *obj)
break;
case SHT_PROGBITS:
if (sec->shdr->sh_flags & SHF_EXECINSTR) {
- if (sec->shdr->sh_size % sizeof(struct bpf_insn) != 0)
+ if (sec->shdr->sh_size % sizeof(struct bpf_insn) != 0) {
+ pr_warn("ELF section #%zu has unexpected size alignment %llu in %s\n",
+ sec->sec_idx, (long long unsigned)sec->shdr->sh_size,
+ obj->filename);
return -EINVAL;
+ }
}
break;
case SHT_NOBITS: