diff options
| -rw-r--r-- | fs/coredump.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/fs/coredump.c b/fs/coredump.c index 42ceb9db2a5a..70e37435eca9 100644 --- a/fs/coredump.c +++ b/fs/coredump.c @@ -1399,9 +1399,17 @@ static inline bool check_coredump_socket(void) if (current->nsproxy->mnt_ns != init_task.nsproxy->mnt_ns) return false; - /* Must be an absolute path or the socket request. */ - if (*(core_pattern + 1) != '/' && *(core_pattern + 1) != '@') + /* Must be an absolute path... */ + if (core_pattern[1] != '/') { + /* ... or the socket request protocol... */ + if (core_pattern[1] != '@') + return false; + /* ... and if so must be an absolute path. */ + if (core_pattern[2] != '/') + return false; + /* Anything else is unsupported. */ return false; + } return true; } |