Re: redis-sentinel segfault workaround

2020-06-28 Thread Theo Buehler
On Sun, Jun 28, 2020 at 12:52:35PM +0200, Theo Buehler wrote: > On Fri, Jun 26, 2020 at 10:01:00PM -0700, Nam Nguyen wrote: > > Theo Buehler writes: > > > > > I was given a reliable reproducer for the sentinel segfault that seems > > > to be present since at least Redis 4. I can only reproduce on

Re: redis-sentinel segfault workaround

2020-06-28 Thread Theo Buehler
On Fri, Jun 26, 2020 at 10:01:00PM -0700, Nam Nguyen wrote: > Theo Buehler writes: > > > I was given a reliable reproducer for the sentinel segfault that seems > > to be present since at least Redis 4. I can only reproduce on amd64 and > > only when compiling with -O1 or -O2, but not with -O0. > >

Re: redis-sentinel segfault workaround

2020-06-26 Thread Nam Nguyen
Theo Buehler writes: > I was given a reliable reproducer for the sentinel segfault that seems > to be present since at least Redis 4. I can only reproduce on amd64 and > only when compiling with -O1 or -O2, but not with -O0. > >>From what I can tell, it is an out-of-bounds access trying to read fr