git: 4b0ae7e001a9 - main - stand: Recognize SHT_INIT_ARRAY sections as constructor sections
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Date: Wed, 15 Jul 2026 15:04:14 UTC
The branch main has been updated by markj:
URL: https://cgit.FreeBSD.org/src/commit/?id=4b0ae7e001a97e5449835bb8a2e6c2e6f53aac39
commit 4b0ae7e001a97e5449835bb8a2e6c2e6f53aac39
Author: Mark Johnston <markj@FreeBSD.org>
AuthorDate: 2026-07-15 14:58:32 +0000
Commit: Mark Johnston <markj@FreeBSD.org>
CommitDate: 2026-07-15 14:58:32 +0000
stand: Recognize SHT_INIT_ARRAY sections as constructor sections
Pass such a section to the kernel using modinfo, otherwise link_elf.c
won't execute constructors for the file. This is required for KASAN,
otherwise redzones for global buffers are not poisoned during boot.
Reviewed by: kib
MFC after: 2 weeks
Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D58244
---
stand/common/load_elf.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/stand/common/load_elf.c b/stand/common/load_elf.c
index a6ea60c74b84..1c4efb8c4156 100644
--- a/stand/common/load_elf.c
+++ b/stand/common/load_elf.c
@@ -726,7 +726,8 @@ __elfN(loadimage)(struct preloaded_file *fp, elf_file_t ef, uint64_t off)
if (shstr) {
for (i = 0; i < ehdr->e_shnum; i++) {
if (strcmp(shstr + shdr[i].sh_name,
- ".ctors") != 0)
+ ".ctors") != 0 &&
+ shdr[i].sh_type != SHT_INIT_ARRAY)
continue;
ctors = shdr[i].sh_addr;
file_addmetadata(fp, MODINFOMD_CTORS_ADDR,