illumos

2013-12-18

04:12 AM illumos gate Bug #4110: panic while reaping htable_cache

One other detail that seemed amiss in the code was that it was not obvious whether the htable_dont_cache flag was set... Boris Protopopov

2013-09-04

08:41 PM illumos gate Bug #4110 (Closed): panic while reaping htable_cache

The following panic was observed (quite rare, under heavy load, ):
$c
vpanic()
mutex_panic+0x73(fffffffffb94b618,... Boris Protopopov

2013-09-03

03:59 PM illumos gate Bug #4089: NULL pointer dereference in arc_read()

Looking at this closer, it seems that we do not have to check the b_l2hdr and b_flags under lock as we are already pr... Boris Protopopov

2013-08-30

07:49 PM illumos gate Bug #4089: NULL pointer dereference in arc_read()

So, clearly, checking the flag without the lock held does not provide proper protection. However, holding locks for t... Boris Protopopov

07:45 PM illumos gate Bug #4089 (Resolved): NULL pointer dereference in arc_read()

The following stack trace showed up in a panic indicating that b_l2hdr is NULL (the data and analysis courtesy of And... Boris Protopopov

07:09 PM illumos gate Bug #4088: use after free in arc_release()

The simplest solution is to move the offending
list_remove(l2hdr->b_dev->l2ad_buflist, hdr);
up to the place w... Boris Protopopov

07:07 PM illumos gate Bug #4088 (Resolved): use after free in arc_release()

A race-induced use after free occurs in arc_release() where the ARC header is used outside the critical section prote... Boris Protopopov