git: 753a166bdeb3 - main - imgact_elf: Fix uninitialized variable use in note_procstat_auxv

The branch main has been updated by dim:

URL: https://cgit.FreeBSD.org/src/commit/?id=753a166bdeb3aeba02fd9678e7360f0929007368

commit 753a166bdeb3aeba02fd9678e7360f0929007368
Author:     Alex Richardson <arichardson@FreeBSD.org>
AuthorDate: 2025-09-15 06:27:12 +0000
Commit:     Dimitry Andric <dim@FreeBSD.org>
CommitDate: 2026-04-25 13:42:16 +0000

    imgact_elf: Fix uninitialized variable use in note_procstat_auxv
    
    Found building with latest clang
    
    MFC after:      3 days
---
 sys/kern/imgact_elf.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c
index af0841c75549..3c5fbe4df342 100644
--- a/sys/kern/imgact_elf.c
+++ b/sys/kern/imgact_elf.c
@@ -2712,13 +2712,16 @@ __elfN(note_procstat_auxv)(void *arg, struct sbuf *sb, size_t *sizep)
 	struct proc *p;
 	size_t size;
 	int structsize;
-
+#if defined(COMPAT_FREEBSD32) && __ELF_WORD_SIZE == 32
+	structsize = sizeof(Elf32_Auxinfo);
+#else
+	structsize = sizeof(Elf_Auxinfo);
+#endif
 	p = arg;
 	structsize = sizeof(Elf_Auxinfo);
 	if (sb == NULL) {
 		size = 0;
-		sb = sbuf_new(NULL, NULL, AT_COUNT * sizeof(Elf_Auxinfo),
-		    SBUF_FIXEDLEN);
+		sb = sbuf_new(NULL, NULL, AT_COUNT * structsize, SBUF_FIXEDLEN);
 		sbuf_set_drain(sb, sbuf_count_drain, &size);
 		sbuf_bcat(sb, &structsize, sizeof(structsize));
 		PHOLD(p);