[Libevent-users] Crash in httpd
Kevin Ko
kevin.s.ko at gmail.com
Tue May 22 14:35:16 EDT 2007
The line numbers in the back trace correspond to the 1.2 release of
libevent. Is there a version number mishap?
Kevin
On 5/22/07, Nisan Bloch Clickatell <nisan.bloch at clickatell.com> wrote:
>
> Hi
>
> If one is using the http server module in libevent1.3b, sending malformed
> headers causes a segfault.
> This is easy to replicate, just telnet to the httpd port and type some
> junk.
>
> Here is a back trace
> #0 0x0040e43e in evhttp_handle_request (req=0x0, arg=0x82696a8) at
> http.c:1242
> #1 0x0040f011 in evhttp_connection_fail (evcon=0x8268cb0) at http.c:333
> #2 0x0040f262 in evhttp_read_header (fd=25, what=2, arg=0x8268cb0) at
> http.c:949
> #3 0x0040af84 in event_base_loop (base=0x8268398, flags=Variable "flags"
> is not available.
> ) at event.c:309
> #4 0x0040b165 in event_loop (flags=136746664) at event.c:358
> #5 0x0040b189 in event_dispatch () at event.c:321
> #6 0x080505b6 in ServerMain (pSrvConfig=0x8220400) at ServerMain.c:125
> #7 0x0804eeba in main (argc=1, argv=0xbffffaa4) at main.c:286
> (gdb)
>
>
> I am not sure whether this should be patched in evhttp_handle_request or
> evhttp_connection_fail .
>
>
>
> Thanks
>
>
> Nisan
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>
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