From b1bb5630000e4065a9377f1bfaebcf23e6933ccc Mon Sep 17 00:00:00 2001
From: Rob Swindell <rob@synchro.net>
Date: Thu, 24 Feb 2022 12:42:58 -0800
Subject: [PATCH] Handle filelength() possibly returning negative value
CID 349724
---
src/sbbs3/userdat.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/sbbs3/userdat.c b/src/sbbs3/userdat.c
index 4cd3e95236..d9dba8d46a 100644
--- a/src/sbbs3/userdat.c
+++ b/src/sbbs3/userdat.c
@@ -1457,7 +1457,7 @@ char* readsmsg(scfg_t* cfg, int usernumber)
if((file=nopen(str,O_RDWR))==-1)
return(NULL);
length=(long)filelength(file);
- if((buf=(char *)malloc(length+1))==NULL) {
+ if(length < 0 || (buf=(char *)malloc(length+1))==NULL) {
close(file);
return(NULL);
}
--
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