diff options
Diffstat (limited to 'sys/contrib/libnv')
| -rw-r--r-- | sys/contrib/libnv/bsd_nvpair.c | 8 | ||||
| -rw-r--r-- | sys/contrib/libnv/nvlist.c | 10 |
2 files changed, 12 insertions, 6 deletions
diff --git a/sys/contrib/libnv/bsd_nvpair.c b/sys/contrib/libnv/bsd_nvpair.c index c73bc2189121..b884dd260b84 100644 --- a/sys/contrib/libnv/bsd_nvpair.c +++ b/sys/contrib/libnv/bsd_nvpair.c @@ -985,13 +985,13 @@ nvpair_unpack_string_array(bool isbe __unused, nvpair_t *nvp, size = nvp->nvp_datasize; tmp = (const char *)ptr; for (ii = 0; ii < nvp->nvp_nitems; ii++) { - len = strnlen(tmp, size - 1) + 1; - size -= len; - if (tmp[len - 1] != '\0') { + if (size <= 0) { ERRNO_SET(EINVAL); return (NULL); } - if (size < 0) { + len = strnlen(tmp, size - 1) + 1; + size -= len; + if (tmp[len - 1] != '\0') { ERRNO_SET(EINVAL); return (NULL); } diff --git a/sys/contrib/libnv/nvlist.c b/sys/contrib/libnv/nvlist.c index 41edc72322c3..73226ee51a78 100644 --- a/sys/contrib/libnv/nvlist.c +++ b/sys/contrib/libnv/nvlist.c @@ -478,7 +478,7 @@ nvlist_dump_error_check(const nvlist_t *nvl, int fd, int level) void nvlist_dump(const nvlist_t *nvl, int fd) { - const nvlist_t *tmpnvl; + const nvlist_t *tmpnvl, *top; nvpair_t *nvp, *tmpnvp; void *cookie; int level; @@ -487,6 +487,7 @@ nvlist_dump(const nvlist_t *nvl, int fd) if (nvlist_dump_error_check(nvl, fd, level)) return; + top = nvl; nvp = nvlist_first_nvpair(nvl); while (nvp != NULL) { dprintf(fd, "%*s%s (%s):", level * 4, "", nvpair_name(nvp), @@ -645,6 +646,8 @@ nvlist_dump(const nvlist_t *nvl, int fd) while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) { do { + if (nvl == top) + return; cookie = NULL; if (nvlist_in_array(nvl)) dprintf(fd, "%*s,\n", level * 4, ""); @@ -847,7 +850,7 @@ nvlist_xpack(const nvlist_t *nvl, int64_t *fdidxp, size_t *sizep) { unsigned char *buf, *ptr; size_t left, size; - const nvlist_t *tmpnvl; + const nvlist_t *tmpnvl, *top; nvpair_t *nvp, *tmpnvp; void *cookie; @@ -868,6 +871,7 @@ nvlist_xpack(const nvlist_t *nvl, int64_t *fdidxp, size_t *sizep) ptr = nvlist_pack_header(nvl, ptr, &left); + top = nvl; nvp = nvlist_first_nvpair(nvl); while (nvp != NULL) { NVPAIR_ASSERT(nvp); @@ -958,6 +962,8 @@ nvlist_xpack(const nvlist_t *nvl, int64_t *fdidxp, size_t *sizep) goto fail; while ((nvp = nvlist_next_nvpair(nvl, nvp)) == NULL) { do { + if (nvl == top) + goto out; cookie = NULL; if (nvlist_in_array(nvl)) { ptr = nvpair_pack_nvlist_array_next(ptr, |