On 15/02/15 23:16, Tomasz Buchert wrote:
> [...]
>
> Okay, I get a segfault too now:
> [ 153.995036] https[2667]: segfault at 69 ip 00007f41539d7b03 sp
> 00007fffa171dbb0 error 4 in https[7f41539cc000+12000]
>
> Tomasz
>
Hi again,
I've recompiled apt-transport-https with debugging symbols and
derandomized positions of code sections (via echo 0 | sudo tee
/proc/sys/kernel/randomize_va_space). I got this:
[ 510.536222] https[2990]: segfault at 69 ip 000055555555fb03 sp
00007fffffffdbf0 error 4 in https[555555554000+12000]
and then, via gdb:
(gdb) list *0x000055555555fb03
0x55555555fb03 is in ServerState::HeaderLine(std::string)
(/tmp/apt-1.0.9.6/methods/server.cc:120).
115 // Parse off any trailing spaces between the : and the next word.
116 string::size_type Pos2 = Pos;
117 while (Pos2 < Line.length() && isspace(Line[Pos2]) != 0)
118 Pos2++;
119
120 string Tag = string(Line,0,Pos);
121 string Val = string(Line,Pos2);
122
123 if (stringcasecmp(Tag.c_str(),Tag.c_str()+4,"HTTP") == 0)
124 {
So there is an issue with parsing of HTTP headers or something like
that around server.cc:120. Unfortunately, I don't have much time to
dig more at the moment. Hope this helps.
Tomasz
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