Wireshark · Wireshark-bugs: [Wireshark-bugs] [Bug 9952] Buildbot crash output: fuzz-2014-04-02-7762.pcap

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Pascal Quantin changed bug 9952

What	Removed	Added
CC		pascal.quantin@gmail.com

Comment # 18 on bug 9952 from Pascal Quantin

When running GDB on Valgrind, you get the following callstack:
Program received signal SIGTRAP, Trace/breakpoint trap.
except_pop () at except.c:260
260        set_top(top->except_down);
(gdb) bt
#0  except_pop () at except.c:260
#1  0x00000000069a595f in dissect_ethertype (tvb=0x0, pinfo=0x44, tree=0x1,
data="" at packet-ethertype.c:319
#2  0x000000000671199f in call_dissector_through_handle
(handle=handle@entry=0x10ec1260, tvb=tvb@entry=0x124b1cf0,
pinfo=pinfo@entry=0x124a1958, 
    tree=tree@entry=0x124b1c20, data="" at packet.c:612
#3  0x0000000006712335 in call_dissector_work (handle=0x10ec1260,
tvb=0x124b1cf0, pinfo_arg=0x124a1958, tree=0x124b1c20, add_proto_name=1,
data=""
    at packet.c:700
#4  0x00000000067140d2 in call_dissector_with_data (handle=<optimized out>,
tvb=tvb@entry=0x124b1cf0, pinfo=pinfo@entry=0x124a1958,
tree=tree@entry=0x124b1c20, 
    data="" at packet.c:2386
#5  0x0000000006db9d8a in dissect_sll (tvb=0x124b1cf0, pinfo=0x124a1958,
tree=0x124b1c20) at packet-sll.c:297
#6  0x0000000006711964 in call_dissector_through_handle
(handle=handle@entry=0x1164a820, tvb=tvb@entry=0x124b1cf0,
pinfo=pinfo@entry=0x124a1958, 
    tree=tree@entry=0x124b1c20, data="" at packet.c:614
#7  0x0000000006712335 in call_dissector_work (handle=0x1164a820,
tvb=0x124b1cf0, pinfo_arg=0x124a1958, tree=0x124b1c20, add_proto_name=1,
data=""
    at packet.c:700
#8  0x0000000006712a7f in dissector_try_uint_new (sub_dissectors=<optimized
out>, uint_val=25, tvb=0x124b1cf0, pinfo=0x124a1958, tree=0x124b1c20, 
    add_proto_name=add_proto_name@entry=1, data="" at packet.c:1132
#9  0x0000000006712ac1 in dissector_try_uint (sub_dissectors=<optimized out>,
uint_val=<optimized out>, tvb=<optimized out>, pinfo=<optimized out>, 
    tree=<optimized out>) at packet.c:1158
#10 0x00000000069d88f9 in dissect_frame (tvb=0x0, pinfo=0x44, parent_tree=0x1,
data="" at packet-frame.c:496
#11 0x000000000671199f in call_dissector_through_handle
(handle=handle@entry=0x110291e0, tvb=tvb@entry=0x124b1cf0,
pinfo=pinfo@entry=0x124a1958, 
    tree=tree@entry=0x124b1c20, data="" at packet.c:612
#12 0x0000000006712335 in call_dissector_work (handle=0x110291e0,
tvb=0x124b1cf0, pinfo_arg=0x124a1958, tree=0x124b1c20, add_proto_name=1,
data=""
    at packet.c:700
#13 0x00000000067140d2 in call_dissector_with_data (handle=<optimized out>,
tvb=0x124b1cf0, pinfo=0x124a1958, tree=0x124b1c20, data="" out>)
    at packet.c:2386
#14 0x00000000067144de in dissect_record (edt=0x0, edt@entry=0x124a1940,
file_type_subtype=2, phdr=0x0, tvb=0x124b1cf0, fd=0x0, fd@entry=0xffefff620, 
    cinfo=0x124a1958) at packet.c:492
#15 0x00000000067087f4 in epan_dissect_run_with_taps (edt=edt@entry=0x124a1940,
file_type_subtype=2, phdr=phdr@entry=0x1244a000, tvb=0x124b1cf0, 
    fd=fd@entry=0xffefff620, cinfo=cinfo@entry=0x0) at epan.c:343
#16 0x00000000004136c7 in process_packet (cf=0x641e40 <cfile>, edt=0x124a1940,
offset=<optimized out>, whdr=0x1244a000, pd=0x1244f390 "", tap_flags=0)
    at tshark.c:3622
#17 0x000000000040c5f0 in load_cap_file (cf=<optimized out>,
max_byte_count=<optimized out>, max_packet_count=6561344,
out_file_name_res=<optimized out>, 
    out_file_type=<optimized out>, save_file=<optimized out>) at tshark.c:3383
#18 main (argc=2, argv=0x0) at tshark.c:2125

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