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Utilities: Fix null deref in groupdel when given a nonexistent group

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Found By PVS-Studio
This commit is contained in:
Brian Gianforcaro 2021-10-10 01:11:03 -07:00 • committed by Brian Gianforcaro
parent fdfc0d1bac
commit 7b2506c054
1 changed files with 2 additions and 3 deletions
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5
Userland/Utilities/groupdel.cpp
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@ -30,7 +30,6 @@ int main(int argc, char** argv)
} }
char const* groupname = nullptr; char const* groupname = nullptr;
gid_t gid = 0;
Core::ArgsParser args_parser; Core::ArgsParser args_parser;
args_parser.add_positional_argument(groupname, "Group name", "group"); args_parser.add_positional_argument(groupname, "Group name", "group");
@ -38,14 +37,14 @@ int main(int argc, char** argv)
setgrent(); setgrent();
auto* g = getgrnam(groupname); auto* g = getgrnam(groupname);
gid = g->gr_gid;
endgrent();
// Check if the group exists // Check if the group exists
if (!g) { if (!g) {
warnln("group {} does not exist", groupname); warnln("group {} does not exist", groupname);
return 6; return 6;
} }
auto gid = g->gr_gid;
endgrent();
// Search if the group is the primary group of an user // Search if the group is the primary group of an user
setpwent(); setpwent();