diff options
Diffstat (limited to 'hdata')
| -rw-r--r-- | hdata/spira.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/hdata/spira.c b/hdata/spira.c index 56218709..43c76f97 100644 --- a/hdata/spira.c +++ b/hdata/spira.c @@ -215,9 +215,30 @@ struct HDIF_common_hdr *__get_hdif(struct spira_ntuple *n, const char id[], const char *file, int line) { struct HDIF_common_hdr *h = ntuple_addr(n); + u16 act_cnt, alloc_cnt; + u32 act_len, alloc_len; + if (!spira_check_ptr(h, file, line)) return NULL; + act_cnt = be16_to_cpu(n->act_cnt); + alloc_cnt = be16_to_cpu(n->alloc_cnt); + + if (act_cnt > alloc_cnt) { + prerror("SPIRA: bad ntuple, act_cnt > alloc_cnt (%u > %u)\n", + act_cnt, alloc_cnt); + return NULL; + } + + act_len = be32_to_cpu(n->act_len); + alloc_len = be32_to_cpu(n->alloc_len); + + if (act_len > alloc_len) { + prerror("SPIRA: bad ntuple, act_len > alloc_len (%u > %u)\n", + act_len, alloc_len); + return NULL; + } + if (!HDIF_check(h, id)) { prerror("SPIRA: bad tuple %p: expected %s at %s line %d\n", h, id, file, line); |
