diff --git a/sys/kern/imgact_elf.c b/sys/kern/imgact_elf.c index 8a7a11a242d9..43d48000d140 100644 --- a/sys/kern/imgact_elf.c +++ b/sys/kern/imgact_elf.c @@ -258,7 +258,7 @@ __elfN(get_brandinfo)(struct image_params *imgp, const char *interp, int interp_name_len, int32_t *osrel) { const Elf_Ehdr *hdr = (const Elf_Ehdr *)imgp->image_header; - Elf_Brandinfo *bi; + Elf_Brandinfo *bi, *bi_m; boolean_t ret; int i; @@ -270,6 +270,7 @@ __elfN(get_brandinfo)(struct image_params *imgp, const char *interp, */ /* Look for an ".note.ABI-tag" ELF section */ + bi_m = NULL; for (i = 0; i < MAX_BRANDS; i++) { bi = elf_brand_list[i]; if (bi == NULL) @@ -280,10 +281,28 @@ __elfN(get_brandinfo)(struct image_params *imgp, const char *interp, /* Give brand a chance to veto check_note's guess */ if (ret && bi->header_supported) ret = bi->header_supported(imgp); + /* + * If note checker claimed the binary, but the + * interpreter path in the image does not + * match default one for the brand, try to + * search for other brands with the same + * interpreter. Either there is better brand + * with the right interpreter, or, failing + * this, we return first brand which accepted + * our note and, optionally, header. + */ + if (ret && bi_m == NULL && (strlen(bi->interp_path) + + 1 != interp_name_len || strncmp(interp, + bi->interp_path, interp_name_len) != 0)) { + bi_m = bi; + ret = 0; + } if (ret) return (bi); } } + if (bi_m != NULL) + return (bi_m); /* If the executable has a brand, search for it in the brand list. */ for (i = 0; i < MAX_BRANDS; i++) {