On Sat, Jul 29, 2017 at 8:02 AM, Yuri Gribov <[email protected]> wrote:
> On Thu, Jul 27, 2017 at 10:51 PM, Konstantin Serebryany > <[email protected]> wrote: > > Just to make sure: all you are suggesting is to change the default > value(s) > > of flag(s), right? > > Yup. > > > I am reluctant to change the defaults here because core dumps are rarely > > useful with asan reports and because they will cause more trouble then is > > worth it (atexit timeout, disk full, etc) > > Well, maybe this isn't an issue with madv_dont_dump being default? > Given the amount of different environments where asan is used, almost any kind of default flag change is a potential for a trouble. We do it sometimes when there is a pressing need, but this one doesn't look like one. --kcc > > > On Wed, Jul 26, 2017 at 11:57 PM, Yuri Gribov <[email protected]> > wrote: > >> > >> Hi all, > >> > >> Currently core dumps are disabled on 64-bit platforms. This decisions > >> come from old times when 16 TB shadow memory was included in coredump. > >> Nowadays we have use_madv_dontdump (enabled by default) which keeps > >> size of core file reasonable. Perhaps we can disable disable_coredump > >> on all platforms unconditionally? This is causing real usability > >> issues (see > >> https://stackoverflow.com/questions/45280910/gcc- > address-sanitizer-core-dump-on-error). > >> > >> -I > >> > >> -- > >> You received this message because you are subscribed to the Google > Groups > >> "address-sanitizer" group. > >> To unsubscribe from this group and stop receiving emails from it, send > an > >> email to [email protected]. > >> For more options, visit https://groups.google.com/d/optout. > > > > > > -- > > You received this message because you are subscribed to the Google Groups > > "address-sanitizer" group. > > To unsubscribe from this group and stop receiving emails from it, send an > > email to [email protected]. > > For more options, visit https://groups.google.com/d/optout. > > -- > You received this message because you are subscribed to the Google Groups > "address-sanitizer" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "address-sanitizer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
