diff options
| -rw-r--r-- | fs/coredump.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 8437bdc26d08..52efd1b34261 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -296,6 +296,17 @@ static bool coredump_parse(struct core_name *cn, struct coredump_params *cprm, return false; } + /* Must not contain ".." in the path. */ + if (name_contains_dotdot(cn->corename)) { + coredump_report_failure("Coredump socket may not %s contain '..' spaces", cn->corename); + return false; + } + + if (strlen(cn->corename) >= UNIX_PATH_MAX) { + coredump_report_failure("Coredump socket path %s too long", cn->corename); + return false; + } + /* * Currently no need to parse any other options. * Relevant information can be retrieved from the peer |