Re: [Redbutton-devel] Seg fault with rb-browser

[Simon K. <s.k...@er...>]

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Hi,

	thanks for the bug report - I've just commit a fix that should
stop the seg fault - revision 322.

	PS: I couldn't bunzip2 your log file when I downloaded it  - it
said the file was corrupt - but I managed to work out what was happening
from the stack trace

Mario Rossi wrote:
> Hi,
> 
> I've having this seg fault with BBC teletext.
> I run rb-download as
> 
> rb-download -f channels.conf 4164
> 
> This is the output on the console
> 
> Unknown PID for association tag 104
> 
> And this is the browser.
> 
> rb-browser -d services/4164
> 
> Then I press R, I select Sport -> Sport in video and always get the error.
> Alternative: it happens if I select the first entry in the top menu
> (the one above news multiscreen).
> 
> I'm using latest SVN (release 321).
> Here is the message from gdb
> 
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1218345264 (LWP 11930)]
> 0x0809718b in OctetString_copy (dst=0x80aa84c, src=0x80e9410) at
> der_decode.c:274
> 274                     memcpy(dst->data, src->data, src->size);
> 
> and the backtrace
> 
> #0  0x0809718b in OctetString_copy (dst=0x80aa84c, src=0x80e93a0) at
> der_decode.c:274
> #1  0x0804c11a in MHEGEngine_quit (reason=QuitReason_Retune,
> data=0x80e93a0) at MHEGEngine.c:485
> #2  0x08098322 in si_tune_index (index=-1) at si.c:92
> #3  0x0806ac6d in prog_SI_TuneIndex (params=0x80defe8,
> caller_gid=0x80fee78) at ResidentProgramClass.c:982
> #4  0x08069690 in run_program (p=0x80d1384, params=0x80defe8,
> caller_gid=0x80fee78, forked=false) at ResidentProgramClass.c:298
> #5  0x08069413 in ResidentProgramClass_Call (p=0x80d1384,
> params=0x80f888c, caller_gid=0x80fee78) at ResidentProgramClass.c:164
> #6  0x0805c2ec in ElementaryAction_execute (e=0x80f8888,
> caller_gid=0x80fee78) at ElementaryAction.c:138
> #7  0x0804d0e0 in MHEGEngine_processMHEGEvents () at MHEGEngine.c:974
> #8  0x0804b8af in MHEGEngine_run () at MHEGEngine.c:240
> #9  0x0804b3d2 in main (argc=3, argv=0xbfaea1c4) at rb-browser.c:114
> 
> Apparently src->data is bad.
> 
> (gdb) print *dst
> $3 = {size = 16, data = 0x8108a90 "p�\017\b�\212\020\b\b�\017\bX�\017\b�\002"}
> (gdb) print *src
> $4 = {size = 16, data = 0x11 <Address 0x11 out of bounds>}
> 
> If you want the log (-v), here it is
> 
> http://xoomer.alice.it/enodetti/log/log.txt.bz2
> 
> Hope it helps.
> 
> Andrea
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- --
Simon Kilvington


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