* Denys Vlasenko wrote: > On Mon, May 10, 2010 at 10:16 AM, Thierry Reding > <[email protected]> wrote: > > Hi, > > > > After upgrading gcc to 4.5.0, I get segfaults when running the run-parts > > applet. The segfault happens in bb_alphasort() during the calls to strcmp(). > > I debugged this and saw that the pointers passed into strcmp() were both > > NULL. Apparently this comes from the act() function, which for some reason > > overwrites the elements of the names array. Oddly enough, when I print that > > same array at the end of each call to act() the segfault disappears. > > > > FWIW, I came up with the following patch that fixes things, though it is > > probably not the preferred way for busybox because it removes the names > > variable from the global storage. > > This patch does not fix anything, it just disturbs heisenbug > so that it does not happen anymore for you.
I agree that this is not actually a fix for the real cause of the bug. Yet it is a workaround that keeps the real culprit (probably gcc in this case) from messing things up. > You need to debug it further. So you think I should rather take this to the gcc mailing list? Or do you have any other pointers? Thierry
signature.asc
Description: Digital signature
_______________________________________________ busybox mailing list [email protected] http://lists.busybox.net/mailman/listinfo/busybox
