Problems have been found with the following capture file: https://www.wireshark.org/download/automated/captures/fuzz-2024-10-08-7201.pcap.gz stderr: ``` Branch: release-4.2 Input file: /var/menagerie/menagerie/merge-request-6852-AT+CGSN.pcapng CI job name: ASan Menagerie Fuzz, ID: 8023211816 CI job URL: https://gitlab.com/wireshark/wireshark/-/jobs/8023211816 Return value: 0 Dissector bug: 0 Date and time: Tue Oct 8 04:37:04 PM UTC 2024 Commits in the last 48 hours: 08d5821b3903 Prep for 4.2.8 f4b3a86749b1 DMP: Add a length check Build host information: Linux 6.8.0-45-generic #45~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Wed Sep 11 15:25:05 UTC 2 x86_64 Distributor ID: Ubuntu Description: Ubuntu 24.04.1 LTS Release: 24.04 Codename: noble Command and args: /builds/wireshark/wireshark/_install/bin/tshark -2 --log-fatal-domains=UTF-8 -nVxr Running as user "root" and group "root". This could be dangerous. AddressSanitizer:DEADLYSIGNAL ================================================================= ==91599==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x74f5eae3d8f4 bp 0x7fff2789fb50 sp 0x7fff2789f308 T0) ==91599==The signal is caused by a READ memory access. ==91599==Hint: address points to the zero page. #0 0x74f5eae3d8f4 (/lib/x86_64-linux-gnu/libc.so.6+0x1988f4) (BuildId: 6d64b17fbac799e68da7ebd9985ddf9b5cb375e6) #1 0x6325c45b97e2 in __asan_memcpy (/builds/wireshark/wireshark/_install/bin/tshark+0xf27e2) (BuildId: e31f61b9b290a4cf1cb25c8520dcc8e984051c8b) #2 0x74f5f3e1ffe9 in dissect_atp /builds/wireshark/wireshark/epan/dissectors/packet-atalk.c:773:5 #3 0x74f5f6b8f89a in call_dissector_through_handle /builds/wireshark/wireshark/epan/packet.c:857:9 #4 0x74f5f6b84c71 in call_dissector_work /builds/wireshark/wireshark/epan/packet.c:941:9 #5 0x74f5f6b8c600 in call_dissector_only /builds/wireshark/wireshark/epan/packet.c:3457:8 #6 0x74f5f6b81674 in call_dissector_with_data /builds/wireshark/wireshark/epan/packet.c:3470:8 #7 0x74f5f44c8418 in dissect_exported_pdu /builds/wireshark/wireshark/epan/dissectors/packet-exported_pdu.c:399:17 #8 0x74f5f6b8f89a in call_dissector_through_handle /builds/wireshark/wireshark/epan/packet.c:857:9 #9 0x74f5f6b84c71 in call_dissector_work /builds/wireshark/wireshark/epan/packet.c:941:9 #10 0x74f5f6b8c600 in call_dissector_only /builds/wireshark/wireshark/epan/packet.c:3457:8 #11 0x74f5f454530d in dissect_frame /builds/wireshark/wireshark/epan/dissectors/packet-frame.c:1296:6 #12 0x74f5f6b8f89a in call_dissector_through_handle /builds/wireshark/wireshark/epan/packet.c:857:9 #13 0x74f5f6b84c71 in call_dissector_work /builds/wireshark/wireshark/epan/packet.c:941:9 #14 0x74f5f6b8c600 in call_dissector_only /builds/wireshark/wireshark/epan/packet.c:3457:8 #15 0x74f5f6b81674 in call_dissector_with_data /builds/wireshark/wireshark/epan/packet.c:3470:8 #16 0x74f5f6b81146 in dissect_record /builds/wireshark/wireshark/epan/packet.c:661:3 #17 0x74f5f6b4ef58 in epan_dissect_run /builds/wireshark/wireshark/epan/epan.c:642:2 #18 0x6325c461f5d5 in process_packet_first_pass /builds/wireshark/wireshark/tshark.c:3272:9 #19 0x6325c461d44c in process_cap_file_first_pass /builds/wireshark/wireshark/tshark.c:3425:13 #20 0x6325c4618790 in process_cap_file /builds/wireshark/wireshark/tshark.c:3948:29 #21 0x6325c4612c4d in main /builds/wireshark/wireshark/tshark.c:2426:22 #22 0x74f5eaccf1c9 (/lib/x86_64-linux-gnu/libc.so.6+0x2a1c9) (BuildId: 6d64b17fbac799e68da7ebd9985ddf9b5cb375e6) #23 0x74f5eaccf28a in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x2a28a) (BuildId: 6d64b17fbac799e68da7ebd9985ddf9b5cb375e6) #24 0x6325c4521934 in _start (/builds/wireshark/wireshark/_install/bin/tshark+0x5a934) (BuildId: e31f61b9b290a4cf1cb25c8520dcc8e984051c8b) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV (/lib/x86_64-linux-gnu/libc.so.6+0x1988f4) (BuildId: 6d64b17fbac799e68da7ebd9985ddf9b5cb375e6) ==91599==ABORTING fuzz-test.sh stderr: Running as user "root" and group "root". This could be dangerous. ``` *no debug trace*