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/r-bioc-iranges-2.24.0/inst/include/IRanges_defines.h Examining data/r-bioc-iranges-2.24.0/inst/include/IRanges_interface.h Examining data/r-bioc-iranges-2.24.0/inst/include/_IRanges_stubs.c Examining data/r-bioc-iranges-2.24.0/src/CompressedAtomicList_utils.c Examining data/r-bioc-iranges-2.24.0/src/CompressedIRangesList_class.c Examining data/r-bioc-iranges-2.24.0/src/CompressedList_class.c Examining data/r-bioc-iranges-2.24.0/src/Grouping_class.c Examining data/r-bioc-iranges-2.24.0/src/IPosRanges_comparison.c Examining data/r-bioc-iranges-2.24.0/src/IRanges.h Examining data/r-bioc-iranges-2.24.0/src/IRanges_class.c Examining data/r-bioc-iranges-2.24.0/src/IRanges_constructor.c Examining data/r-bioc-iranges-2.24.0/src/NCList.c Examining data/r-bioc-iranges-2.24.0/src/R_init_IRanges.c Examining data/r-bioc-iranges-2.24.0/src/Ranges_class.c Examining data/r-bioc-iranges-2.24.0/src/RleViews_utils.c Examining data/r-bioc-iranges-2.24.0/src/S4Vectors_stubs.c Examining data/r-bioc-iranges-2.24.0/src/SimpleIRangesList_class.c Examining data/r-bioc-iranges-2.24.0/src/coverage_methods.c Examining data/r-bioc-iranges-2.24.0/src/extractListFragments.c Examining data/r-bioc-iranges-2.24.0/src/inter_range_methods.c FINAL RESULTS: data/r-bioc-iranges-2.24.0/src/Grouping_class.c:137:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(ans_elt, INTEGER(x_low2high_elt), data/r-bioc-iranges-2.24.0/src/IRanges_class.c:331:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(INTEGER(ans_start), start_buf, sizeof(int) * ans_length); data/r-bioc-iranges-2.24.0/src/IRanges_class.c:332:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(INTEGER(ans_width), width_buf, sizeof(int) * ans_length); data/r-bioc-iranges-2.24.0/src/IRanges_class.c:378:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(INTEGER(ans_start), start_buf, sizeof(int) * ans_length); data/r-bioc-iranges-2.24.0/src/IRanges_class.c:379:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(INTEGER(ans_width), width_buf, sizeof(int) * ans_length); data/r-bioc-iranges-2.24.0/src/IRanges_constructor.c:9:8: [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. static char errmsg_buf[200]; data/r-bioc-iranges-2.24.0/src/NCList.c:477:3: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. memcpy(base, x_subset_p, sizeof(int) * x_len); data/r-bioc-iranges-2.24.0/src/NCList.c:664:2: [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 format[10]; data/r-bioc-iranges-2.24.0/src/NCList.c:674:3: [2] (buffer) sprintf: Does not check for buffer overflows (CWE-120). Use sprintf_s, snprintf, or vsnprintf. Risk is low because the source has a constant maximum length. sprintf(format, "%c0%d%c", '%', max_digits, 'd'); data/r-bioc-iranges-2.24.0/src/Ranges_class.c:16:9: [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. static char validity_failures[200]; data/r-bioc-iranges-2.24.0/src/coverage_methods.c:754:2: [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 x_label_buf[40], shift_label_buf[40], ANALYSIS SUMMARY: Hits = 11 Lines analyzed = 6696 in approximately 0.18 seconds (37269 lines/second) Physical Source Lines of Code (SLOC) = 4981 Hits@level = [0] 26 [1] 0 [2] 11 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 37 [1+] 11 [2+] 11 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 7.42823 [1+] 2.20839 [2+] 2.20839 [3+] 0 [4+] 0 [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.