The following SIGSEGV crash due to an invalid memory write can be observed in
an ASAN build of Wireshark (current git master), by feeding a malformed file to
tshark ("$ ./tshark -nVxr /path/to/file"):
--- cut ---
==31799==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000fff3 (pc
0x7f538efe2e98 bp 0x7ffff1414290 sp 0x7ffff1413a18 T0)
#0 0x7f538efe2e97 /build/buildd/eglibc-2.19/string/../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S:1812
#1 0x4aaeac in __asan_memcpy llvm/projects/compiler-rt/lib/asan/asan_interceptors.cc:393
#2 0x7f53989ebdee in get_value wireshark/epan/dissectors/packet-btatt.c:6021:9
#3 0x7f53989cd2a1 in dissect_btatt wireshark/epan/dissectors/packet-btatt.c:6434:40
#4 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#5 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#6 0x7f539840ddbd in dissector_try_uint_new wireshark/epan/packet.c:1148:9
#7 0x7f5398abde89 in dissect_btl2cap wireshark/epan/dissectors/packet-btl2cap.c:2217:26
#8 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#9 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#10 0x7f53984182be in call_dissector_only wireshark/epan/packet.c:2662:8
#11 0x7f5398409ccf in call_dissector_with_data wireshark/epan/packet.c:2675:8
#12 0x7f5398add99f in dissect_btle wireshark/epan/dissectors/packet-btle.c:760:21
#13 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#14 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#15 0x7f53984182be in call_dissector_only wireshark/epan/packet.c:2662:8
#16 0x7f5398409ccf in call_dissector_with_data wireshark/epan/packet.c:2675:8
#17 0x7f5398ae089b in dissect_btle_rf wireshark/epan/dissectors/packet-btle_rf.c:221:27
#18 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#19 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#20 0x7f539840ddbd in dissector_try_uint_new wireshark/epan/packet.c:1148:9
#21 0x7f53989467c5 in dissect_bluetooth wireshark/epan/dissectors/packet-bluetooth.c:1748:10
#22 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#23 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#24 0x7f539840ddbd in dissector_try_uint_new wireshark/epan/packet.c:1148:9
#25 0x7f539911d5f6 in dissect_frame wireshark/epan/dissectors/packet-frame.c:500:11
#26 0x7f539841bcc1 in call_dissector_through_handle wireshark/epan/packet.c:616:8
#27 0x7f539840e5ea in call_dissector_work wireshark/epan/packet.c:691:9
#28 0x7f53984182be in call_dissector_only wireshark/epan/packet.c:2662:8
#29 0x7f5398409ccf in call_dissector_with_data wireshark/epan/packet.c:2675:8
#30 0x7f539840933b in dissect_record wireshark/epan/packet.c:501:3
#31 0x7f53983b73c9 in epan_dissect_run_with_taps wireshark/epan/epan.c:373:2
#32 0x5264eb in process_packet wireshark/tshark.c:3728:5
#33 0x51f960 in load_cap_file wireshark/tshark.c:3484:11
#34 0x515daf in main wireshark/tshark.c:2197:13
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV
/build/buildd/eglibc-2.19/string/../sysdeps/x86_64/multiarch/memcpy-ssse3-back.S
:1812
==31799==ABORTING
--- cut ---
The crash was reported at
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=11817. Attached are two
files which trigger the crash.
This bug is subject to a 90 day disclosure deadline. If 90 days elapse without
a broadly available patch, then the bug report will automatically become
visible to the public.
Original issue reported on code.google.com by mjurc...@google.com on 30 Nov 2015 at 12:46
Original issue reported on code.google.com by
mjurc...@google.com
on 30 Nov 2015 at 12:46Attachments: