[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: bug in gdb! it segfaults!



Peter Jay Salzman <p@belial.ucdavis.edu> writes:

> hello all,
> 
> i'm debugging a c++ program, and found something very distressing:
> 
> 	% gdb wellspring core
> 	GNU gdb 19990928
> 	(warranty snipped)
> 	This GDB was configured as "i686-pc-linux-gnu"...
> 	Core was generated by `./wellspring'.
> 	Program terminated with signal 11, Segmentation fault.
> 	Reading symbols from /usr/lib/libstdc++-libc6.1-2.so.3...done.
> 	Reading symbols from /lib/libm.so.6...done.
> 	Reading symbols from /lib/libc.so.6...done.
> 	Reading symbols from /lib/ld-linux.so.2...done.
> 	#0  0x804ced8 in GetPotential (run=@0x8052ee0, V=0x8053028, wf=0x805b588)
> 		 at functions.cc:51
> 	51                      V[j] = -4.0L*PI*G*pow(run.m*run.dr,
> 	2.0L)*(run.sum1[j] + run.sum2[j]);
> 	(gdb) p run.m*run.dr
> 	$1 = 0.013599479808447117947299662577692603
> 	(gdb) p pow(run.m*run.dr, 2)
> 	Segmentation fault (core dumped)
> 
> now whether gdb should let me print "pow(run.m*run.dr, 2)" or not, that's
> gdb segfaulting.   a debugger should _NOT_ segfault, under any
> circumstances.
> 
> i feel gdb is the most important program besides the linux kernel and the
> C/C++ compilers.  this should be fixed.   what should i do?
> 
> contact FSF or debian?

bug-gdb@gnu.org



Reply to: