On 17.03.2011 10:38, Tom Hughes wrote: > On 17/03/11 08:13, Stefan Kost wrote: > >> What matters is the last line. When *not* run under valgrind the >> addresses are the same. When run under valgrind I get a couple of >> ==1989== Invalid read of size 1 >> ==1989== at 0x41C9B33: vfprintf (vfprintf.c:1614) >> ==1989== by 0x41D0ACF: printf (printf.c:35) >> ==1989== by 0x8048785: main (udevcls.c:57) >> ==1989== Address 0x4358b58 is 0 bytes inside a block of size 16 free'd >> ==1989== at 0x40267ED: free (vg_replace_malloc.c:366) >> ==1989== by 0x42EA335: ??? (in /lib/libudev.so.0.9.1) >> ==1989== by 0x42EB38E: ??? (in /lib/libudev.so.0.9.1) >> ==1989== by 0x42EB7A0: udev_device_get_devnode (in /lib/libudev.so.0.9.1) >> ==1989== by 0x404A965: g_udev_device_get_device_file (in >> /usr/lib/libgudev-1.0.so.0.0.1) >> ==1989== by 0x804873A: main (udevcls.c:56) > In other words you have a printf that is printing data from a block of > memory that has been freed - a bug in your code. > > Valgrind has told you exactly what is wrong - time to go and fix it ;-) > > Tom > Hi tom,
there is no need for sarcasm. I am using valgrind for years. Just have a look at the code: http://buzztard.svn.sourceforge.net/viewvc/buzztard/trunk/buzztard/design/udev/udevls.c?revision=3231&view=markup#l40 There is no free. The data I am suppose to get from udev is static. Stefan ------------------------------------------------------------------------------ Colocation vs. Managed Hosting A question and answer guide to determining the best fit for your organization - today and in the future. http://p.sf.net/sfu/internap-sfd2d _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
