Hello, FYI, It seems the BUG is fixed by commit 9041:
6813215 cred reference leak in tsol_get_packet_label At least on my laptop :) On Wed, Mar 4, 2009 at 9:09 PM, Piotr Jasiukajtis <est...@gmail.com> wrote: > On Wed, Mar 4, 2009 at 8:55 PM, Bill Sommerfeld <sommerf...@sun.com> wrote: >> >> On Wed, 2009-03-04 at 20:23 +0100, Piotr Jasiukajtis wrote: >>> > ffffff0192255bf8::bufctl >>> ADDR BUFADDR TIMESTAMP THREAD CALLER >>> ffffff0192255bf8 ffffff0191535ea8 13a7ce2ccd ffffff0007c07c60 >>> labelalloc+0x2f >>> > ffffff0192255bf8::bufctl -v >>> ADDR BUFADDR TIMESTAMP THREAD >>> CACHE LASTLOG CONTENTS >>> ffffff0192255bf8 ffffff0191535ea8 13a7ce2ccd ffffff0007c07c60 >>> ffffff019131fb20 ffffff0188af8440 0 >>> kmem_cache_alloc_debug+0x288 >>> kmem_cache_alloc+0x166 >>> labelalloc+0x2f >>> newcred_from_bslabel+0x23 >>> tsol_get_pkt_label+0x42a >>> ip_input+0x51b >>> mac_rx_soft_ring_drain+0xf6 >>> mac_soft_ring_worker+0x140 >>> thread_start+8 >> >> I think I see what the problem is -- my project's testing uncovered the >> same leak. >> >> tsol_get_pkt_label constructs a new cred using "newcred_from_bslabel", >> and creates it with a refcount of 1. >> >> it then gets passed to mblk_setcred(), which does a crhold on it, >> setting the refcount to 2. >> >> tsol_get_pkt_label never drops the original reference, so that when the >> dblk is freed, the cred refcount drops back to 1, and the cred is leaked >> and never freed. >> >> it looks like this bug may have been introduced in this recent >> changeset: >> >> changeset: 8778:b4169d2ab299 >> user: Erik Nordmark <erik.nordm...@sun.com> >> date: Thu Feb 12 08:42:06 2009 -0800 >> >> PSARC 2007/670 db_credp update >> 6619593 Simplify and strengthen db_credp handling >> 6619596 Add getpeerucred() support to SCTP SOCK_STREAM >> >> I'll file a bug. > Could you add my email address to the bug report? > > Thanks. > > > -- > Regards, > Piotr Jasiukajtis | estibi | SCA OS0072 > http://estseg.blogspot.com > -- Regards, Piotr Jasiukajtis | estibi | SCA OS0072 http://estseg.blogspot.com _______________________________________________ opensolaris-code mailing list opensolaris-code@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/opensolaris-code
