Merge pull request #120 from valgur/patch-3

Fix an out-of-bounds bug in ppp.c
rtklibexplorer · Apr 17, 2023 · 4be1aac · 4be1aac
2 parents 94f8715 + 1a66490
commit 4be1aac
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/ppp.c b/src/ppp.c
@@ -1174,7 +1174,7 @@ extern void pppos(rtk_t *rtk, const obsd_t *obs, int n, const nav_t *nav)
     rs=mat(6,n); dts=mat(2,n); var=mat(1,n); azel=zeros(2,n);
 
     for (i=0;i<MAXSAT;i++) for (j=0;j<opt->nf;j++) rtk->ssat[i].fix[j]=0;
-    for (i=0;i<MAXOBS;i++) for (j=0;j<opt->nf;j++) {
+    for (i=0;i<n&&i<MAXOBS;i++) for (j=0;j<opt->nf;j++) {
         rtk->ssat[obs[i].sat-1].snr_rover[j]=obs[i].SNR[j];
         rtk->ssat[obs[i].sat-1].snr_base[j] =0;
     }