isa/sudo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

sudo_mmap_strdup_v1: Fix potential NULL pointer deref

Browse Source
This commit is contained in:
modric
2022-11-19 11:22:14 +08:00
parent 9c694e9a65
commit 1eabf13577
1 changed files with 4 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
lib/util/mmap_alloc.c
View File

@@ -116,8 +116,10 @@ sudo_mmap_strdup_v1(const char *str)
return NULL; return NULL;
} }
newstr = sudo_mmap_alloc_v1(len + 1); newstr = sudo_mmap_alloc_v1(len + 1);
if (newstr != NULL) {
memcpy(newstr, str, len); memcpy(newstr, str, len);
newstr[len] = '\0'; newstr[len] = '\0';
}
return newstr; return newstr;
} }