Re: sctp refcount bug.

2017-07-13 Thread Dave Jones
On Thu, Jul 13, 2017 at 11:38:34AM -0300, Marcelo Ricardo Leitner wrote: > On Thu, Jul 13, 2017 at 10:36:39AM -0400, Dave Jones wrote: > > Hit this on Linus' current tree. > > > > > > refcount_t: underflow; use-after-free. > > Any tips on how to reproduce this? Only seen it once so far.

Re: sctp refcount bug.

2017-07-13 Thread Marcelo Ricardo Leitner
On Thu, Jul 13, 2017 at 10:36:39AM -0400, Dave Jones wrote: > Hit this on Linus' current tree. > > > refcount_t: underflow; use-after-free. Any tips on how to reproduce this? Marcelo

sctp refcount bug.

2017-07-13 Thread Dave Jones
Hit this on Linus' current tree. refcount_t: underflow; use-after-free. [ cut here ] WARNING: CPU: 2 PID: 14455 at lib/refcount.c:186 refcount_sub_and_test+0x45/0x50 CPU: 2 PID: 14455 Comm: trinity-c46 Tainted: G D 4.12.0-think+ #11 task: 8804fc71b8c0 tas