On Thu, May 12, 2011 at 06:03:40AM -0600, Otto Moerbeek wrote: > CVSROOT: /cvs > Module name: src > Changes by: o...@cvs.openbsd.org 2011/05/12 06:03:40 > > Modified files: > lib/libc/stdlib: malloc.c > > Log message: > Avoid fp computations for stats, this make calling malloc_dump() safe in more > cases.
Actually, the problem is not the computation, but calling snprintf(3) with a floating point format. This is not safe from signal handlers. Typically, you can now run firefox from gdb, interrupt by ^C and call malloc_dump(2) to get a view of the inside of the belly of the beast without problems.
