GCC's undefined behaviour sanitizer is reporting: ../src/subversion/libsvn_fs_fs/pack.c:902:17: runtime error: signed integer overflow: 2147483647 * 4 cannot be represented in type 'int'
To reproduce: # set shard size to 3 and create a full shard svnadmin create repo chmod +w repo/db/format printf "7\nlayout sharded 3\naddressing logical\n" > repo/db/format svnmucc -mm -U file://`pwd`/repo put repo/format f svnmucc -mm -U file://`pwd`/repo put repo/format f svnadmin pack repo Just before the warning roundness(0) returns MAX_INT and then: (gdb) p path_order[i]->predecessor_count $1 = 0 (gdb) p round $2 = 2147483647 and 4 * 2147483647 overflows an int. -- Philip Martin WANdisco