Flawfinder version 2.0.10, (C) 2001-2019 David A. Wheeler. Number of rules (primarily dangerous function names) in C/C++ ruleset: 223 Examining data/rmpi-0.6-9/inst/cslavePI.c Examining data/rmpi-0.6-9/src/Rmpi.c Examining data/rmpi-0.6-9/src/conversion.c Examining data/rmpi-0.6-9/src/Rmpi.h Examining data/rmpi-0.6-9/src/internal.c FINAL RESULTS: data/rmpi-0.6-9/src/Rmpi.c:1287:3: [4] (buffer) strcpy: Does not check for buffer overflows when copying to destination [MS-banned] (CWE-120). Consider using snprintf, strcpy_s, or strlcpy (warning: strncpy easily misused). strcpy(srdata, CHAR(STRING_ELT(sexp_data,0))); data/rmpi-0.6-9/src/Rmpi.c:67:9: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char *fake_argv[1]; data/rmpi-0.6-9/src/Rmpi.c:184:12: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. value = (char *)Calloc(INTEGER(sexp_valuelen)[0], char); data/rmpi-0.6-9/src/Rmpi.c:647:3: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char errmsg[MPI_MAX_ERROR_STRING]; data/rmpi-0.6-9/src/conversion.c:37:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char *tmp, spchar[1]=" "; data/rmpi-0.6-9/src/internal.c:26:2: [2] (buffer) char: Statically-sized arrays can be improperly restricted, leading to potential overflows or other issues (CWE-119!/CWE-120). Perform bounds checking, use functions that limit length, or ensure that the size is larger than the maximum possible length. char errmsg[MPI_MAX_ERROR_STRING]; ANALYSIS SUMMARY: Hits = 6 Lines analyzed = 1970 in approximately 0.07 seconds (29485 lines/second) Physical Source Lines of Code (SLOC) = 1617 Hits@level = [0] 10 [1] 0 [2] 5 [3] 0 [4] 1 [5] 0 Hits@level+ = [0+] 16 [1+] 6 [2+] 6 [3+] 1 [4+] 1 [5+] 0 Hits/KSLOC@level+ = [0+] 9.89487 [1+] 3.71058 [2+] 3.71058 [3+] 0.618429 [4+] 0.618429 [5+] 0 Dot directories skipped = 1 (--followdotdir overrides) Minimum risk level = 1 Not every hit is necessarily a security vulnerability. There may be other security vulnerabilities; review your code! See 'Secure Programming HOWTO' (https://dwheeler.com/secure-programs) for more information.