tcpdump mailing list archives
Re: Coredump Without Much Info?
From: Hei Chan <structurechart () yahoo com>
Date: Sat, 11 Jul 2015 03:38:42 +0000 (UTC)
(gdb) disassemble pcap_nextDump of assembler code for function pcap_next: 0x00007ffff715a040 <+0>: sub $0x28,%rsp=> 0x00007ffff715a044 <+4>: mov 0x260(%rdi),%rdx 0x00007ffff715a04b <+11>: lea 0x18(%rsp),%rax 0x00007ffff715a050 <+16>: mov %rsi,(%rsp) 0x00007ffff715a054 <+20>: mov %rsp,%rcx 0x00007ffff715a057 <+23>: mov $0x1,%esi 0x00007ffff715a05c <+28>: mov %rdi,0x10(%rsp) 0x00007ffff715a061 <+33>: mov %rax,0x8(%rsp) 0x00007ffff715a066 <+38>: callq 0x7ffff7150de8 <pcap_dispatch@plt> 0x00007ffff715a06b <+43>: mov %eax,%edx 0x00007ffff715a06d <+45>: xor %eax,%eax 0x00007ffff715a06f <+47>: test %edx,%edx 0x00007ffff715a071 <+49>: jle 0x7ffff715a078 <pcap_next+56> 0x00007ffff715a073 <+51>: mov 0x18(%rsp),%rax 0x00007ffff715a078 <+56>: add $0x28,%rsp 0x00007ffff715a07c <+60>: retq End of assembler dump.(gdb) On Saturday, July 11, 2015 5:32 AM, Guy Harris <guy () alum mit edu> wrote: On Jul 10, 2015, at 7:53 AM, Hei Chan <structurechart () yahoo com> wrote:
I am using libpcap 1.4.0 to read in pcap. And my application crashed at pcap_next() when it read the first packet from my pcap file:(gdb) bt#0 0x00007ffff715a044 in pcap_next () from /usr/lib64/libpcap.so.1
What does "disassemble pcap_next" print? _______________________________________________ tcpdump-workers mailing list tcpdump-workers () lists tcpdump org https://lists.sandelman.ca/mailman/listinfo/tcpdump-workers
Current thread:
- Coredump Without Much Info? Hei Chan (Jul 10)
- Re: Coredump Without Much Info? Guy Harris (Jul 10)
- Re: Coredump Without Much Info? Hei Chan (Jul 10)
- Re: Coredump Without Much Info? Guy Harris (Jul 10)
- Re: Coredump Without Much Info? Hei Chan (Jul 10)
- Re: Coredump Without Much Info? Guy Harris (Jul 10)
- Re: Coredump Without Much Info? Hei Chan (Jul 10)
- Re: Coredump Without Much Info? Guy Harris (Jul 10)