a9a419a674 100644
--- a/sys/kern/kern_exec.c
+++ b/sys/kern/kern_exec.c
@@ -418,7 +418,7 @@ do_execve(struct thread *td, struct image_args *args, struct mac *mac_p,
 #endif
 	int error, i, orig_osrel;
 	uint32_t orig_fctl0;
-	Elf_Brandinfo *orig_brandinfo;
+	const Elf_Brandinfo *orig_brandinfo;
 	size_t freepath_size;
 	static const char fexecv_proc_title[] = "(fexecv)";
 
diff --git a/sys/sys/imgact_elf.h b/sys/sys/imgact_elf.h
index 2845a9dbc1e2..9e2a233248b4 100644
--- a/sys/sys/imgact_elf.h
+++ b/sys/sys/imgact_elf.h
@@ -86,7 +86,7 @@ typedef struct {
 	struct sysentvec *sysvec;
 	const char *interp_newpath;
 	int flags;
-	Elf_Brandnote *brand_note;
+	const Elf_Brandnote *brand_note;
 	bool		(*header_supported)(const struct image_params *,
 	    const int32_t *, const uint32_t *);
 		/* High 8 bits of flags is private to the ABI */
@@ -111,9 +111,9 @@ struct sseg_closure {
 	size_t size;            /* Total size of all writable segments. */
 };
 
-bool	__elfN(brand_inuse)(Elf_Brandinfo *entry);
-int	__elfN(insert_brand_entry)(Elf_Brandinfo *entry);
-int	__elfN(remove_brand_entry)(Elf_Brandinfo *entry);
+bool	__elfN(brand_inuse)(const Elf_Brandinfo *entry);
+int	__elfN(insert_brand_entry)(const Elf_Brandinfo *entry);
+int	__elfN(remove_brand_entry)(const Elf_Brandinfo *entry);
 int	__elfN(freebsd_fixup)(uintptr_t *, struct image_params *);
 int	__elfN(coredump)(struct thread *, struct coredump_writer *, off_t, int);
 size_t	__elfN(populate_note)(int, void *, void *, size_t, void **);
diff --git a/sys/sys/proc.h b/sys/sys/proc.h
index 9140cee56885..8c0729d3ec66 100644
--- a/sys/sys/proc.h
+++ b/sys/sys/proc.h
@@ -741,7 +741,7 @@ struct proc {
 					       reaper which spawned
 					       our subtree. */
 	uint64_t	p_elf_flags;	/* (x) ELF flags */
-	void		*p_elf_brandinfo; /* (x) Elf_Brandinfo, NULL for
+	const void	*p_elf_brandinfo; /* (x) Elf_Brandinfo, NULL for
 						 non ELF binaries. */
 	sbintime_t	p_umtx_min_timeout;
 /* End area that is copied on creation. */