build - scan-build results

User:	root@runner-ns46nmmjt-project-7898047-concurrent-0
Working Directory:	/builds/wireshark/wireshark/build
Command Line:	ninja
Clang Version:	Ubuntu clang version 20.1.8 (++20250708082409+6fb913d3e2ec-1~exp1~20250708202428.132)
Date:	Thu Sep 11 10:03:57 2025

Bug Summary

API
Bug Type	Quantity	Display?
All Bugs	116
Argument with 'nonnull' attribute passed null	7
Error handling
Value of 'errno' could be undefined	8
Value of 'errno' was not checked	3
Logic error
Assigned value is garbage or undefined	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	1
Stream handling error
Invalid stream state	10
Resource leak	3
Stream already in EOF	5
Suspicious operation
Bitwise shift	2
Unused code
Dead assignment	8
Dead initialization	6
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	epan/dissectors/packet-xml.c	make_xml_hier	1373	16	View Report
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	1755	21	View Report
API	Argument with 'nonnull' attribute passed null	epan/dissectors/packet-iax2.c	dissect_ies	1459	34	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
API	Argument with 'nonnull' attribute passed null	epan/dissectors/packet-tls-utils.c	ssl_dissect_hnd_srv_hello	11052	64	View Report
Logic error	Assigned value is garbage or undefined	epan/tvbuff.c	tvb_new_octet_aligned	423	16	View Report
Logic error	Assigned value is garbage or undefined	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	13551	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	wsutil/dtoa.c	dtoa_r	2880	1	View Report
Unused code	Dead assignment	wiretap/pcapng.c	pcapng_read_block	3225	1	View Report
Unused code	Dead assignment	wiretap/libpcap.c	libpcap_read_header	1449	1	View Report
Unused code	Dead assignment	epan/dissectors/packet-darwin.c	dissect_darwin_data	432	1	View Report
Unused code	Dead assignment	ui/help_url.c	topic_action_url	332	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	wiretap/blf.c	blf_dump_upper_pdu	5000	1	View Report
Unused code	Dead initialization	epan/frame_data.c	frame_delta_abs_time	50	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-rtps.c	dissect_HEADER_EXTENSION	13943	50	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	225	14	View Report
Stream handling error	Invalid stream state	epan/dissectors/dcerpc/idl2wrs.c	mergefile	3040	5	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	707	84	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/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	1065	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	961	61	View Report
Memory error	Memory leak	capture/capture_sync.c	sync_pipe_start	961	42	View Report
Memory error	Memory leak	capture/capture_sync.c	sync_interface_stats_open	1619	10	View Report
Memory error	Memory leak	epan/dissectors/dcerpc/idl2wrs.c	parsefunction	2754	52	View Report
Memory error	Memory leak	capture/capture_sync.c	sync_if_list_capabilities_open	1559	21	View Report
Memory error	Memory leak	build/epan/wslua/taps_wslua.c	wslua_wlan_to_table	421	16	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	4857	34	View Report
Memory error	Memory leak	capture/capture_sync.c	sync_interface_stats_open	1619	10	View Report
Memory error	Memory leak	wiretap/blf.c	blf_dump_expand_interface_mapping	3993	9	View Report
Memory error	Memory leak	epan/tvbuff_zlib.c	tvb_uncompress_zlib	294	36	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	961	42	View Report
Memory error	Memory leak	ui/cli/tap-iostat.c	iostat_init	1721	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	961	61	View Report
Memory error	Memory leak	epan/tvbuff_lz77.c	tvb_uncompress_lz77	124	15	View Report
Memory error	Memory leak	epan/tvbuff.c	tvb_generic_clone_offset_len	509	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	epan/tvbuff_base64.c	base64uri_tvb_to_new_tvb	212	25	View Report
Memory error	Memory leak	capture/capture_sync.c	sync_pipe_start	961	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	491	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	capture/capture_sync.c	sync_pipe_start	961	42	View Report
Memory error	Memory leak	wiretap/file_access.c	wtap_dump_init_dumper	2275	22	View Report
Memory error	Memory leak	epan/tvbuff.c	tvb_new_octet_aligned	425	22	View Report
Memory error	Memory leak	wsutil/ws_pipe.c	ws_pipe_spawn_async	641	15	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	3300	8	View Report
Stream handling error	Resource leak	extcap/sshdump.c	ssh_open_remote_connection	279	49	View Report
Stream handling error	Resource leak	extcap/wifidump.c	ssh_open_remote_connection	417	39	View Report
Stream handling error	Resource leak	epan/dissectors/packet-knxip_decrypt.c	read_knx_keyring_xml_file	782	22	View Report
Logic error	Result of operation is garbage or undefined	ui/io_graph_item.h	update_io_graph_item	214	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	wsutil/filter_files.c	ws_filter_list_read	200	12	View Report
Stream handling error	Stream already in EOF	ui/summary.c	summary_fill_in	225	14	View Report
Stream handling error	Stream already in EOF	capinfos.c	calculate_hashes	1065	27	View Report
Stream handling error	Stream already in EOF	epan/color_filters.c	read_filters_file	707	84	View Report
Stream handling error	Stream already in EOF	epan/dissectors/packet-tpncp.c	fgetline	434	21	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	1959	45	View Report
Error handling	Value of 'errno' could be undefined	extcap/androiddump.c	capture_android_logcat_text	2100	43	View Report
Error handling	Value of 'errno' could be undefined	extcap/androiddump.c	capture_android_bluetooth_hcidump	1400	6	View Report
Error handling	Value of 'errno' could be undefined	extcap/androiddump.c	capture_android_tcpdump	2369	47	View Report
Error handling	Value of 'errno' could be undefined	extcap/androiddump.c	capture_android_bluetooth_external_parser	1776	16	View Report
Error handling	Value of 'errno' could be undefined	extcap/androiddump.c	capture_android_logcat	2236	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' could be undefined	epan/addr_resolv.c	ss7pc_name_lookup_init	3330	41	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	4895	4	View Report
Error handling	Value of 'errno' was not checked	epan/dissectors/packet-ssh.c	ssh_keylog_read_file	2656	15	View Report