Hi Tom, Indeed, I overlooked this.
Thanks for the help! On Mon, 17 Sep 2018 at 12:24, Tom Hughes <t...@compton.nu> wrote: > On 17/09/2018 10:16, Mohamed BELAOUAD wrote: > > > I seem to have encountered a false positive with valgrind-3.13.0 with > > the program below. > > https://pastebin.com/XPHsM2sF > > > > Valgrind gives "invalid read" errors show the following pastebin: > > https://pastebin.com/a4vzNMvW. > > > > The error is reported during the second call to w_strdup_printf on > > address of string a (which is created during the first call). > > If I uncomment the printf calls, the errors disappear. If I move free(a) > > next to free(b), the errors also disappear. > > > > I am not sure if I am missing something in my program or if those are > > real false positives. > > You have used ap twice, the second time after va_end. > > I think you meant to pass ap_copy to the vsnprintf calls (and to > the va_end calls). > > Tom > > -- > Tom Hughes (t...@compton.nu) > http://compton.nu/ >
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