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/shapeit4-4.1.3+dfsg/src/containers/bitmatrix.h Examining data/shapeit4-4.1.3+dfsg/src/containers/genotype_set.cpp Examining data/shapeit4-4.1.3+dfsg/src/containers/genotype_set.h Examining data/shapeit4-4.1.3+dfsg/src/containers/haplotype_set.cpp Examining data/shapeit4-4.1.3+dfsg/src/containers/haplotype_set.h Examining data/shapeit4-4.1.3+dfsg/src/containers/variant_map.cpp Examining data/shapeit4-4.1.3+dfsg/src/containers/variant_map.h Examining data/shapeit4-4.1.3+dfsg/src/io/genotype_reader.h Examining data/shapeit4-4.1.3+dfsg/src/io/genotype_reader1.cpp Examining data/shapeit4-4.1.3+dfsg/src/io/genotype_reader2.cpp Examining data/shapeit4-4.1.3+dfsg/src/io/gmap_reader.cpp Examining data/shapeit4-4.1.3+dfsg/src/io/gmap_reader.h Examining data/shapeit4-4.1.3+dfsg/src/io/haplotype_writer.cpp Examining data/shapeit4-4.1.3+dfsg/src/io/haplotype_writer.h Examining data/shapeit4-4.1.3+dfsg/src/main.cpp Examining data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.cpp Examining data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.h Examining data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.cpp Examining data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.h Examining data/shapeit4-4.1.3+dfsg/src/modules/builder.cpp Examining data/shapeit4-4.1.3+dfsg/src/modules/builder.h Examining data/shapeit4-4.1.3+dfsg/src/modules/pbwt_solver.cpp Examining data/shapeit4-4.1.3+dfsg/src/modules/pbwt_solver.h Examining data/shapeit4-4.1.3+dfsg/src/objects/compute_job.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/compute_job.h Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_build.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_header.h Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_managment.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_mask.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_prune.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_sweep.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/hmm_parameters.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/hmm_parameters.h Examining data/shapeit4-4.1.3+dfsg/src/objects/variant.cpp Examining data/shapeit4-4.1.3+dfsg/src/objects/variant.h Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_algorithm.cpp Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_finalise.cpp Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_header.h Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_initialise.cpp Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_management.cpp Examining data/shapeit4-4.1.3+dfsg/src/phaser/phaser_parameters.cpp Examining data/shapeit4-4.1.3+dfsg/src/utils/basic_algos.h Examining data/shapeit4-4.1.3+dfsg/src/utils/basic_stats.h Examining data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h Examining data/shapeit4-4.1.3+dfsg/src/utils/otools.h Examining data/shapeit4-4.1.3+dfsg/src/utils/random_number.h Examining data/shapeit4-4.1.3+dfsg/src/utils/string_utils.h Examining data/shapeit4-4.1.3+dfsg/src/utils/timer.h Examining data/shapeit4-4.1.3+dfsg/src/utils/verbose.h FINAL RESULTS: data/shapeit4-4.1.3+dfsg/src/containers/bitmatrix.h:70:39: [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. union { unsigned int x[2]; unsigned char b[8]; } m4x8d; data/shapeit4-4.1.3+dfsg/src/io/gmap_reader.cpp:45:18: [2] (integer) atoi: Unless checked, the resulting number can exceed the expected range (CWE-190). If source untrusted, check both minimum and maximum, even if the input had no minus sign (large numbers can roll over into negative number; consider saving to an unsigned value if that is intended). int curr_bp = atoi(tokens[0].c_str()); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.h:157:11: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if (a) memcpy(&prob2[i], &galleles1[0], HAP_NUMBER*sizeof(double)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.h:158:9: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else memcpy(&prob2[i], &galleles0[0], HAP_NUMBER*sizeof(double)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.h:163:11: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if (a) memcpy(&prob1[i], &galleles1[0], HAP_NUMBER*sizeof(double)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_double.h:164:9: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else memcpy(&prob1[i], &galleles0[0], HAP_NUMBER*sizeof(double)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.h:161:11: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if (a) memcpy(&prob2[i], &galleles1[0], HAP_NUMBER*sizeof(float)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.h:162:9: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else memcpy(&prob2[i], &galleles0[0], HAP_NUMBER*sizeof(float)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.h:167:11: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. if (a) memcpy(&prob1[i], &galleles1[0], HAP_NUMBER*sizeof(float)); data/shapeit4-4.1.3+dfsg/src/models/haplotype_segment_single.h:168:9: [2] (buffer) memcpy: Does not check for buffer overflows when copying to destination (CWE-120). Make sure destination can always hold the source data. else memcpy(&prob1[i], &galleles0[0], HAP_NUMBER*sizeof(float)); data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_header.h:84:11: [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. unsigned char curr_dipcodes [64]; // List of diplotypes in a given segment data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_mask.cpp:36:12: [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. unsigned char prev_dipcodes [64]; data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_prune.cpp:50:11: [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. unsigned char prev_dipcodes [64]; data/shapeit4-4.1.3+dfsg/src/objects/genotype/genotype_prune.cpp:146:11: [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. unsigned char prev_dipcodes [64]; data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:42:20: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). file_descriptor.open(filename.c_str(), std::ios::in | std::ios::binary); data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:45:20: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). file_descriptor.open(filename.c_str(), std::ios::in | std::ios::binary); data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:47:26: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). } else file_descriptor.open(filename.c_str()); data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:74:20: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). file_descriptor.open(filename.c_str(), std::ios::out | std::ios::binary); data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:77:20: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). file_descriptor.open(filename.c_str(), std::ios::out | std::ios::binary); data/shapeit4-4.1.3+dfsg/src/utils/compressed_io.h:79:26: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). } else file_descriptor.open(filename.c_str()); data/shapeit4-4.1.3+dfsg/src/utils/verbose.h:66:7: [2] (misc) open: Check when opening files - can an attacker redirect it (via symlinks), force the opening of special file type (e.g., device files), move things around to create a race condition, control its ancestors, or change its contents? (CWE-362). log.open(fname.c_str()); ANALYSIS SUMMARY: Hits = 21 Lines analyzed = 6288 in approximately 0.23 seconds (27159 lines/second) Physical Source Lines of Code (SLOC) = 4361 Hits@level = [0] 0 [1] 0 [2] 21 [3] 0 [4] 0 [5] 0 Hits@level+ = [0+] 21 [1+] 21 [2+] 21 [3+] 0 [4+] 0 [5+] 0 Hits/KSLOC@level+ = [0+] 4.81541 [1+] 4.81541 [2+] 4.81541 [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.