Hello Greg, Thank you so much for the response and the link to the existing bug report. Now it makes sense. Thanks again, Roman
On 06/29/2018 12:54 PM, Greg Hudson wrote: > On 06/29/2018 03:46 PM, Greg Hudson wrote: >>> Everything works fine while krb5 FILE type of ccache is in use. ow I >>> want to improve performance and switch to MEMORY type of ccache. And >>> I start getting my app crashed intermittently. >> >> I'm not currently aware of a memory ccache bug which would account >> for this. > > Of course, as soon as I sent this I thought to search the bug database > and found this (my own bug report, which I had forgotten about): > > http://krbdev.mit.edu/rt/Ticket/Display.html?id=8202 > > which is "memory ccache cursors are invalidated by initialize". Since > using a ccache to get tickets implicitly iterates over it, that bug > would account for the crashes you are seeing. Destroying a memory > ccache also breaks other threads iterating over it. > > You can possibly work around this bug by generating a new memory > ccache (with krb5_cc_new_unique()) each time you want to initialize > one, and keeping track of the current ccache name or handle yourself. > You would have to be careful about destroying old ones when another > thread might still be using them, so this might be more trouble than > it's worth. ________________________________________________ Kerberos mailing list Kerberos@mit.edu https://mailman.mit.edu/mailman/listinfo/kerberos
