libcephsqlite: ceph-mgr crashes when compiled with gcc12

regex in libcephsqlite, when compiled with GCC12 treats '-' as a range
operator resulting in the following error.
"Invalid start of '[x-x]' range in regular expression"

Fixes: https://tracker.ceph.com/issues/55304
Signed-off-by: Ganesh Maharaj Mahalingam <ganesh.mahalingam@intel.com>
(cherry picked from commit ac043a09c5ffb4b434b8644920004b3d5b7f9d8c)

diff --git a/src/libcephsqlite.cc b/src/libcephsqlite.cc
index 9e7a0629147feb253d11d91dd8c1c259308252e6..eafadcd8922bd7f70a796d4385c47d4b890082d6 100644 (file)
--- a/src/libcephsqlite.cc
+++ b/src/libcephsqlite.cc
@@ -381,8 +381,8 @@ static int FileSize(sqlite3_file *file, sqlite_int64 *osize)
 
 static bool parsepath(std::string_view path, struct cephsqlite_fileloc* fileloc)
 {
-  static const std::regex re1{"^/*(\\*[[:digit:]]+):([[:alnum:]-_.]*)/([[:alnum:]-._]+)$"};
-  static const std::regex re2{"^/*([[:alnum:]-_.]+):([[:alnum:]-_.]*)/([[:alnum:]-._]+)$"};
+  static const std::regex re1{"^/*(\\*[[:digit:]]+):([[:alnum:]\\-_.]*)/([[:alnum:]\\-._]+)$"};
+  static const std::regex re2{"^/*([[:alnum:]\\-_.]+):([[:alnum:]\\-_.]*)/([[:alnum:]\\-._]+)$"};
 
   std::cmatch cm;
   if (!std::regex_match(path.data(), cm, re1)) {