# build - scan-build results

User: | root@runner-dwpux52lh-project-7898047-concurrent-0
Working Directory: | /builds/wireshark/wireshark/build
Command Line: | ninja
Clang Version: | Ubuntu clang version 21.1.8 (++20251221032922+2078da43e25a-1~exp1~20251221153059.70)
Date: | Wed May 20 10:03:23 2026

## Bug Summary

Bug Type | Quantity | Display?
All Bugs | 113 |
API |
--- | ---
Argument with 'nonnull' attribute passed null | 4 |
Error handling |
Value of 'errno' could be undefined | 8 |
Value of 'errno' was not checked | 3 |
Logic error |
Assigned value is uninitialized | 1 |
Garbage return value | 2 |
Result of operation is garbage or undefined | 5 |
Uninitialized argument value | 1 |
Memory error |
Memory leak | 49 |
Nullability | 1 |
Use-after-free | 2 |
Stream handling error |
Invalid stream state | 10 |
Resource leak | 3 |
Stream already in EOF | 5 |
Suspicious operation |
Bitwise shift | 2 |
Unused code |
Dead assignment | 7 |
Dead increment | 2 |
Dead initialization | 5 |
Dead nested assignment | 3 |

## Filter Results by File

## Reports

Bug Group | Bug Type ▾ | File | Function/Method | Line | Path Length |
API | Argument with 'nonnull' attribute passed null | builds/wireshark/wireshark/plugins/epan/mate/mate_util.c | scs_subscribe | 141 | 29 | View Report
API | Argument with 'nonnull' attribute passed null | builds/wireshark/wireshark/ui/recent.c | recent_read_profile_static | 1828 | 21 | View Report
API | Argument with 'nonnull' attribute passed null | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | mergefile | 3038 | 4 | View Report
API | Argument with 'nonnull' attribute passed null | builds/wireshark/wireshark/epan/wslua/lrexlib/common.c | buffer_addlstring | 181 | 10 | View Report
Logic error | Assigned value is uninitialized | builds/wireshark/wireshark/epan/dissectors/packet-snmp.c | snmp_usm_password_to_key | 3542 | 44 | View Report
Suspicious operation | Bitwise shift | builds/wireshark/wireshark/epan/wslua/wslua_struct.c | getinteger | 453 | 14 | View Report
Suspicious operation | Bitwise shift | builds/wireshark/wireshark/epan/proto.c | proto_tree_add_split_bits_item_ret_val | 13635 | 22 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 3284 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 2886 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 2930 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 2880 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/wiretap/libpcap.c | libpcap_read_header | 1458 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/epan/dissectors/packet-etw.c | dissect_etw | 738 | 1 | View Report
Unused code | Dead assignment | builds/wireshark/wireshark/ui/help_url.c | topic_action_url | 333 | 1 | View Report
Unused code | Dead increment | builds/wireshark/wireshark/epan/dissectors/packet-etw.c | dissect_edata_tlvs | 426 | 1 | View Report
Unused code | Dead increment | builds/wireshark/wireshark/epan/dissectors/packet-dect-nr.c | dissect_dect_nr_cvg_ie | 2639 | 1 | View Report
Unused code | Dead initialization | builds/wireshark/wireshark/epan/dfilter/sttype-op.c | oper_todisplay | 74 | 1 | View Report
Unused code | Dead initialization | builds/wireshark/wireshark/epan/ftypes/ftypes.c | ftype_name | 171 | 1 | View Report
Unused code | Dead initialization | builds/wireshark/wireshark/epan/ftypes/ftypes.c | ftype_pretty_name | 231 | 1 | View Report
Unused code | Dead initialization | builds/wireshark/wireshark/epan/dfilter/syntax-tree.c | stnode_op_name | 103 | 1 | View Report
Unused code | Dead initialization | builds/wireshark/wireshark/ui/qt/welcome_page.cpp | updateSidebarLayout | 316 | 1 | View Report
Unused code | Dead nested assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 3282 | 1 | View Report
Unused code | Dead nested assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 2872 | 1 | View Report
Unused code | Dead nested assignment | builds/wireshark/wireshark/wsutil/dtoa.c | dtoa_r | 2858 | 1 | View Report
Logic error | Garbage return value | builds/wireshark/wireshark/epan/wslua/wslua_tree.c | TreeItem_add | 784 | 15 | View Report
Logic error | Garbage return value | builds/wireshark/wireshark/epan/wslua/wslua_tree.c | TreeItem_add_le | 807 | 15 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/ui/summary.c | summary_fill_in | 232 | 16 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | mergefile | 3040 | 5 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/wsutil/filter_files.c | ws_filter_list_read | 200 | 12 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | tokenize | 968 | 20 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/color_filters.c | read_filters_file | 884 | 84 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/dissectors/packet-tpncp.c | fgetline | 436 | 22 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | tokenize | 992 | 17 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | readcnffile | 3106 | 10 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/plugins/epan/mate/mate_util.c | loal_from_file | 1522 | 21 | View Report
Stream handling error | Invalid stream state | builds/wireshark/wireshark/capinfos.c | calculate_hashes | 1082 | 27 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_udp_to_table | 64 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/reassemble.c | fragment_add_work | 1524 | 29 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_zlib.c | tvb_uncompress_zlib | 319 | 43 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/tap-sctp-analysis.c | packet | 904 | 72 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 427 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/cli/tap-follow.c | follow_stream | 620 | 6 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/cli/tap-flow.c | flow_init | 100 | 3 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/qt/main_application.cpp | MainApplication | 630 | 7 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 61 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 42 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | parsefunction | 2754 | 52 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_zstd.c | tvb_uncompress_zstd | 87 | 30 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 421 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/wsutil/ws_pipe.c | ws_pipe_spawn_async | 651 | 23 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/qt/extcap_argument_multiselect.cpp | createEditor | 122 | 5 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_tcp_to_table | 367 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/qt/packet_list.cpp | mouseMoveEvent | 954 | 13 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_lz77huff.c | tvb_uncompress_lz77huff | 402 | 15 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/dissectors/packet-tls-utils.c | ssl_generate_keyring_material | 4909 | 34 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_base64.c | base64uri_tvb_to_new_tvb | 221 | 25 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_lz77.c | tvb_uncompress_lz77 | 148 | 19 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_if_list_capabilities_open | 1557 | 21 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_lznt1.c | tvb_uncompress_lznt1 | 154 | 15 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_interface_stats_open | 1617 | 10 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_snappy.c | tvb_uncompress_snappy | 48 | 11 | View Report
Memory error | Memory leak | usr/include/x86_64-linux-gnu/qt6/QtCore/qobjectdefs.h | invokeMethod | 319 | 5 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 42 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff.c | tvb_new_octet_right_aligned | 579 | 19 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/cli/tap-iostat.c | iostat_init | 1724 | 28 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/protobuf_lang_tree.c | pbl_add_child | 1044 | 25 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_eth_to_table | 259 | 17 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 61 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_interface_stats_open | 1617 | 10 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_tcp_to_table | 364 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 424 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_brotli.c | tvb_uncompress_brotli | 149 | 21 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 42 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/qt/simple_statistics_dialog.cpp | addMissingRows | 207 | 24 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff.c | tvb_new_octet_aligned | 520 | 19 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_ip_to_table | 19 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/tvbuff_zstd.c | tvb_uncompress_zstd | 87 | 20 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/reassemble.c | fragment_defragment_and_free | 1940 | 12 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_udp_to_table | 61 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/dissectors/dcerpc/idl2wrs.c | parsetypedefenum | 2935 | 29 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/ui/qt/lte_rlc_statistics_dialog.cpp | tapPacket | 892 | 13 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/epan/dissectors/packet-t38.c | force_reassemble_seq | 388 | 26 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/capture/capture_sync.c | sync_pipe_start | 959 | 42 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_ip_to_table | 34 | 16 | View Report
Memory error | Memory leak | builds/wireshark/wireshark/build/epan/wslua/taps_wslua.c | wslua_eth_to_table | 262 | 17 | View Report
Memory error | Nullability | builds/wireshark/wireshark/epan/conversation.c | find_or_create_conversation_strat | 3304 | 5 | View Report
Stream handling error | Resource leak | builds/wireshark/wireshark/extcap/sshdump.c | ssh_open_remote_connection | 280 | 49 | View Report
Stream handling error | Resource leak | builds/wireshark/wireshark/extcap/wifidump.c | ssh_open_remote_connection | 418 | 39 | View Report
Stream handling error | Resource leak | builds/wireshark/wireshark/epan/dissectors/packet-knxip_decrypt.c | read_knx_keyring_xml_file | 809 | 24 | View Report
Logic error | Result of operation is garbage or undefined | builds/wireshark/wireshark/ui/io_graph_item.h | update_io_graph_item | 215 | 16 | View Report
Logic error | Result of operation is garbage or undefined | builds/wireshark/wireshark/wsutil/dtoa.c | quorem | 2384 | 136 | View Report
Logic error | Result of operation is garbage or undefined | builds/wireshark/wireshark/wsutil/pint.h | pntohu8 | 452 | 22 | View Report
Logic error | Result of operation is garbage or undefined | builds/wireshark/wireshark/wsutil/dtoa.c | mult | 1835 | 130 | View Report
Logic error | Result of operation is garbage or undefined | builds/wireshark/wireshark/wsutil/dtoa.c | diff | 2091 | 143 | View Report
Stream handling error | Stream already in EOF | builds/wireshark/wireshark/ui/summary.c | summary_fill_in | 232 | 16 | View Report
Stream handling error | Stream already in EOF | builds/wireshark/wireshark/capinfos.c | calculate_hashes | 1082 | 27 | View Report
Stream handling error | Stream already in EOF | builds/wireshark/wireshark/epan/color_filters.c | read_filters_file | 884 | 84 | View Report
Stream handling error | Stream already in EOF | builds/wireshark/wireshark/epan/dissectors/packet-tpncp.c | fgetline | 436 | 22 | View Report
Stream handling error | Stream already in EOF | builds/wireshark/wireshark/wsutil/filter_files.c | ws_filter_list_read | 200 | 12 | View Report
Logic error | Uninitialized argument value | builds/wireshark/wireshark/epan/wslua/wslua_tvb.c | TvbRange_stringz | 1092 | 20 | View Report
Memory error | Use-after-free | builds/wireshark/wireshark/epan/funnel.c | funnel_remove_menu | 100 | 11 | View Report
Memory error | Use-after-free | builds/wireshark/wireshark/wsutil/dtoa.c | pow5mult | 1943 | 113 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_bluetooth_btsnoop_net | 1967 | 45 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_logcat_text | 2108 | 43 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_bluetooth_hcidump | 1408 | 6 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_tcpdump | 2377 | 47 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/epan/addr_resolv.c | ss7pc_name_lookup_init | 3582 | 41 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_bluetooth_external_parser | 1784 | 16 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/extcap/androiddump.c | capture_android_logcat | 2244 | 41 | View Report
Error handling | Value of 'errno' could be undefined | builds/wireshark/wireshark/epan/addr_resolv.c | host_name_lookup_init | 4026 | 29 | View Report
Error handling | Value of 'errno' was not checked | builds/wireshark/wireshark/epan/addr_resolv.c | fgetline | 798 | 16 | View Report
Error handling | Value of 'errno' was not checked | builds/wireshark/wireshark/epan/prefs.c | read_prefs_file | 4937 | 4 | View Report
Error handling | Value of 'errno' was not checked | builds/wireshark/wireshark/epan/dissectors/packet-ssh.c | ssh_keylog_read_file | 2713 | 22 | View Report