# build - scan-build results

User: | root@runner-jhcjxvh8-project-7898047-concurrent-0
Working Directory: | /builds/wireshark/wireshark/build
Command Line: | ninja
Clang Version: | Ubuntu clang version 21.1.7 (++20251127113503+9ed1927442a4-1~exp1~20251127113518.64)
Date: | Mon Dec 1 10:03:17 2025

## Bug Summary

Bug Type | Quantity | Display?
All Bugs | 114 |
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 | 2 |
Dereference of null pointer | 1 |
Garbage return value | 2 |
Result of operation is garbage or undefined | 5 |
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 | 3 |
Dead initialization | 4 |
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 | plugins/epan/mate/mate_util.c | scs_subscribe | 143 | 29 | View Report
API | Argument with 'nonnull' attribute passed null | ui/recent.c | recent_read_profile_static | 1756 | 21 | View Report
API | Argument with 'nonnull' attribute passed null | epan/dissectors/dcerpc/idl2wrs.c | mergefile | 3038 | 4 | View Report
API | Argument with 'nonnull' attribute passed null | epan/wslua/lrexlib/common.c | buffer_addlstring | 181 | 10 | View Report
Logic error | Assigned value is uninitialized | epan/tvbuff.c | tvb_new_octet_aligned | 428 | 16 | View Report
Logic error | Assigned value is uninitialized | epan/dissectors/packet-snmp.c | snmp_usm_password_to_key | 3548 | 44 | View Report
Suspicious operation | Bitwise shift | epan/wslua/wslua_struct.c | getinteger | 453 | 14 | View Report
Suspicious operation | Bitwise shift | epan/proto.c | proto_tree_add_split_bits_item_ret_val | 13535 | 22 | View Report
Unused code | Dead assignment | wsutil/dtoa.c | dtoa_r | 3284 | 1 | View Report
Unused code | Dead assignment | wsutil/dtoa.c | dtoa_r | 2886 | 1 | View Report
Unused code | Dead assignment | wsutil/dtoa.c | dtoa_r | 2930 | 1 | View Report
Unused code | Dead assignment | epan/dissectors/packet-rtsp.c | process_rtsp_reply | 1596 | 1 | View Report
Unused code | Dead assignment | wsutil/dtoa.c | dtoa_r | 2880 | 1 | View Report
Unused code | Dead assignment | wiretap/libpcap.c | libpcap_read_header | 1448 | 1 | View Report
Unused code | Dead assignment | ui/help_url.c | topic_action_url | 333 | 1 | View Report
Unused code | Dead increment | epan/dissectors/packet-nmea0183.c | dissect_nmea0183_sentence_txt | 1784 | 1 | View Report
Unused code | Dead increment | epan/dissectors/packet-nmea0183.c | dissect_nmea0183_sentence_alr | 1608 | 1 | View Report
Unused code | Dead increment | epan/dissectors/packet-rtsp.c | process_rtsp_request | 1568 | 1 | View Report
Unused code | Dead initialization | epan/dfilter/sttype-op.c | oper_todisplay | 74 | 1 | View Report
Unused code | Dead initialization | epan/ftypes/ftypes.c | ftype_name | 174 | 1 | View Report
Unused code | Dead initialization | epan/ftypes/ftypes.c | ftype_pretty_name | 234 | 1 | View Report
Unused code | Dead initialization | epan/dfilter/syntax-tree.c | stnode_op_name | 104 | 1 | View Report
Unused code | Dead nested assignment | wsutil/dtoa.c | dtoa_r | 3282 | 1 | View Report
Unused code | Dead nested assignment | wsutil/dtoa.c | dtoa_r | 2872 | 1 | View Report
Unused code | Dead nested assignment | wsutil/dtoa.c | dtoa_r | 2858 | 1 | View Report
Logic error | Dereference of null pointer | epan/dissectors/packet-rdp_dr.c | dissect_rdpdr | 730 | 16 | View Report
Logic error | Garbage return value | epan/wslua/wslua_tree.c | TreeItem_add | 751 | 15 | View Report
Logic error | Garbage return value | epan/wslua/wslua_tree.c | TreeItem_add_le | 774 | 15 | View Report
Stream handling error | Invalid stream state | ui/summary.c | summary_fill_in | 232 | 16 | View Report
Stream handling error | Invalid stream state | epan/dissectors/dcerpc/idl2wrs.c | mergefile | 3040 | 5 | View Report
Stream handling error | Invalid stream state | wsutil/filter_files.c | ws_filter_list_read | 200 | 12 | View Report
Stream handling error | Invalid stream state | epan/dissectors/dcerpc/idl2wrs.c | tokenize | 968 | 20 | View Report
Stream handling error | Invalid stream state | epan/color_filters.c | read_filters_file | 706 | 84 | View Report
Stream handling error | Invalid stream state | epan/dissectors/packet-tpncp.c | fgetline | 434 | 21 | View Report
Stream handling error | Invalid stream state | epan/dissectors/dcerpc/idl2wrs.c | tokenize | 992 | 17 | View Report
Stream handling error | Invalid stream state | epan/dissectors/dcerpc/idl2wrs.c | readcnffile | 3106 | 10 | View Report
Stream handling error | Invalid stream state | plugins/epan/mate/mate_util.c | loal_from_file | 1524 | 21 | View Report
Stream handling error | Invalid stream state | capinfos.c | calculate_hashes | 1068 | 27 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_udp_to_table | 64 | 16 | View Report
Memory error | Memory leak | epan/reassemble.c | fragment_add_work | 1506 | 68 | View Report
Memory error | Memory leak | ui/tap-sctp-analysis.c | packet | 904 | 72 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 427 | 16 | View Report
Memory error | Memory leak | ui/cli/tap-follow.c | follow_stream | 586 | 6 | View Report
Memory error | Memory leak | ui/cli/tap-flow.c | flow_init | 100 | 3 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 61 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 42 | View Report
Memory error | Memory leak | epan/dissectors/dcerpc/idl2wrs.c | parsefunction | 2754 | 52 | View Report
Memory error | Memory leak | wiretap/file_access.c | wtap_dump_init_dumper | 2206 | 22 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 421 | 16 | View Report
Memory error | Memory leak | wsutil/ws_pipe.c | ws_pipe_spawn_async | 651 | 23 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_tcp_to_table | 367 | 16 | View Report
Memory error | Memory leak | ui/qt/packet_list.cpp | mouseMoveEvent | 922 | 13 | View Report
Memory error | Memory leak | epan/dissectors/packet-tls-utils.c | ssl_generate_keyring_material | 4889 | 34 | View Report
Memory error | Memory leak | wiretap/blf.c | blf_dump_expand_interface_mapping | 3997 | 9 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_if_list_capabilities_open | 1558 | 21 | View Report
Memory error | Memory leak | epan/tvbuff_zlib.c | tvb_uncompress_zlib | 294 | 36 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_interface_stats_open | 1618 | 10 | View Report
Memory error | Memory leak | epan/tvbuff_lz77huff.c | tvb_uncompress_lz77huff | 394 | 15 | View Report
Memory error | Memory leak | epan/tvbuff_zstd.c | tvb_uncompress_zstd | 87 | 20 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 42 | View Report
Memory error | Memory leak | ui/cli/tap-iostat.c | iostat_init | 1724 | 28 | View Report
Memory error | Memory leak | epan/tvbuff_lznt1.c | tvb_uncompress_lznt1 | 136 | 15 | View Report
Memory error | Memory leak | epan/protobuf_lang_tree.c | pbl_add_child | 1044 | 25 | View Report
Memory error | Memory leak | epan/tvbuff_zstd.c | tvb_uncompress_zstd | 87 | 30 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_eth_to_table | 259 | 17 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 61 | View Report
Memory error | Memory leak | epan/tvbuff_lz77.c | tvb_uncompress_lz77 | 124 | 15 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_interface_stats_open | 1618 | 10 | View Report
Memory error | Memory leak | epan/tvbuff.c | tvb_generic_clone_offset_len | 514 | 17 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_tcp_to_table | 364 | 16 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_wlan_to_table | 424 | 16 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 42 | View Report
Memory error | Memory leak | ui/qt/simple_statistics_dialog.cpp | addMissingRows | 207 | 24 | View Report
Memory error | Memory leak | epan/tvbuff_brotli.c | tvb_uncompress_brotli | 149 | 21 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_ip_to_table | 19 | 16 | View Report
Memory error | Memory leak | epan/reassemble.c | fragment_defragment_and_free | 1909 | 10 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_udp_to_table | 61 | 16 | View Report
Memory error | Memory leak | epan/tvbuff.c | tvb_new_octet_right_aligned | 496 | 22 | View Report
Memory error | Memory leak | epan/dissectors/dcerpc/idl2wrs.c | parsetypedefenum | 2935 | 29 | View Report
Memory error | Memory leak | ui/qt/lte_rlc_statistics_dialog.cpp | tapPacket | 892 | 13 | View Report
Memory error | Memory leak | epan/dissectors/packet-t38.c | force_reassemble_seq | 387 | 26 | View Report
Memory error | Memory leak | epan/tvbuff_snappy.c | tvb_uncompress_snappy | 48 | 11 | View Report
Memory error | Memory leak | epan/tvbuff_base64.c | base64uri_tvb_to_new_tvb | 212 | 25 | View Report
Memory error | Memory leak | capture/capture_sync.c | sync_pipe_start | 960 | 42 | View Report
Memory error | Memory leak | epan/tvbuff.c | tvb_new_octet_aligned | 430 | 22 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_ip_to_table | 34 | 16 | View Report
Memory error | Memory leak | build/epan/wslua/taps_wslua.c | wslua_eth_to_table | 262 | 17 | View Report
Memory error | Nullability | epan/conversation.c | find_or_create_conversation_strat | 3292 | 5 | View Report
Stream handling error | Resource leak | extcap/sshdump.c | ssh_open_remote_connection | 280 | 49 | View Report
Stream handling error | Resource leak | extcap/wifidump.c | ssh_open_remote_connection | 418 | 39 | View Report
Stream handling error | Resource leak | epan/dissectors/packet-knxip_decrypt.c | read_knx_keyring_xml_file | 782 | 24 | View Report
Logic error | Result of operation is garbage or undefined | ui/io_graph_item.h | update_io_graph_item | 215 | 16 | View Report
Logic error | Result of operation is garbage or undefined | wsutil/dtoa.c | quorem | 2384 | 136 | View Report
Logic error | Result of operation is garbage or undefined | wsutil/pint.h | pntohu8 | 314 | 22 | View Report
Logic error | Result of operation is garbage or undefined | wsutil/dtoa.c | mult | 1835 | 130 | View Report
Logic error | Result of operation is garbage or undefined | wsutil/dtoa.c | diff | 2091 | 143 | View Report
Stream handling error | Stream already in EOF | ui/summary.c | summary_fill_in | 232 | 16 | View Report
Stream handling error | Stream already in EOF | capinfos.c | calculate_hashes | 1068 | 27 | View Report
Stream handling error | Stream already in EOF | epan/color_filters.c | read_filters_file | 706 | 84 | View Report
Stream handling error | Stream already in EOF | epan/dissectors/packet-tpncp.c | fgetline | 434 | 21 | View Report
Stream handling error | Stream already in EOF | wsutil/filter_files.c | ws_filter_list_read | 200 | 12 | View Report
Memory error | Use-after-free | epan/funnel.c | funnel_remove_menu | 97 | 11 | View Report
Memory error | Use-after-free | wsutil/dtoa.c | pow5mult | 1943 | 113 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_bluetooth_btsnoop_net | 1964 | 45 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_logcat_text | 2105 | 43 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_bluetooth_hcidump | 1405 | 6 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_tcpdump | 2374 | 47 | View Report
Error handling | Value of 'errno' could be undefined | epan/addr_resolv.c | ss7pc_name_lookup_init | 3330 | 41 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_bluetooth_external_parser | 1781 | 16 | View Report
Error handling | Value of 'errno' could be undefined | extcap/androiddump.c | capture_android_logcat | 2241 | 41 | View Report
Error handling | Value of 'errno' could be undefined | epan/addr_resolv.c | host_name_lookup_init | 3701 | 29 | View Report
Error handling | Value of 'errno' was not checked | epan/addr_resolv.c | fgetline | 772 | 16 | View Report
Error handling | Value of 'errno' was not checked | epan/prefs.c | read_prefs_file | 4782 | 4 | View Report
Error handling | Value of 'errno' was not checked | epan/dissectors/packet-ssh.c | ssh_keylog_read_file | 2655 | 15 | View Report