From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ying Xue Subject: Re: [3.19.0-rc4+] rhashtable: BUG kmalloc-2048 (Not tainted): Poison overwritten Date: Tue, 20 Jan 2015 10:53:01 +0800 Message-ID: <54BDC30D.5000606@windriver.com> References: <54BCBA35.2080103@windriver.com> <20150119125928.GB7672@casper.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: tipc-discussion@lists.sourceforge.net, Netdev To: Thomas Graf Return-path: In-Reply-To: <20150119125928.GB7672@casper.infradead.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tipc-discussion-bounces@lists.sourceforge.net List-Id: netdev.vger.kernel.org On 01/19/2015 08:59 PM, Thomas Graf wrote: > On 01/19/15 at 04:03pm, Ying Xue wrote: >> On 3.19.0-rc4+, I encountered below error with attached test >> case(bind_netlink.c). Please execute the following commands to reproduce >> the error: >> >> gcc -Wall -o bind_netlink bind_netlink.c >> ./bind_netlink 1000 >> >> By the way, if we run another test case(bind_tipc.c), the similar issue >> will happen on TIPC socket. >> >> Therefore, it seems that the issue is closely associated with rhashtable >> instead of specific stacks like netlink or tipc. > > Looks like a RCU read side critical section was missed. Does the TIPC > poision warning look the same? offset 2048? > > TIPC panic log is as below, and it's very similar to netlink. Regards, Ying [ 16.825649] ============================================================================= [ 16.826471] BUG TIPC (Not tainted): Poison overwritten [ 16.826941] ----------------------------------------------------------------------------- [ 16.826941] [ 16.827877] INFO: 0xffff880010c805a0-0xffff880010c805a7. First byte 0x33 instead of 0x6b [ 16.828682] INFO: Allocated in sk_prot_alloc+0x48/0x1b0 age=458 cpu=2 pid=4511 [ 16.829383] __slab_alloc+0x453/0x4ba [ 16.829763] kmem_cache_alloc+0x225/0x340 [ 16.830161] sk_prot_alloc+0x48/0x1b0 [ 16.830508] sk_alloc+0x39/0x120 [ 16.830817] tipc_sk_create+0x96/0x420 [tipc] [ 16.831239] __sock_create+0x299/0x390 [ 16.831593] sock_create+0x30/0x40 [ 16.831911] SyS_socket+0x36/0xb0 [ 16.832238] compat_SyS_socketcall+0x6b/0x200 [ 16.832648] sysenter_dispatch+0x7/0x1f [ 16.833028] INFO: Freed in __sk_free+0xdf/0x160 age=7 cpu=0 pid=3 [ 16.833607] __slab_free+0x32/0x1f1 [ 16.833929] kmem_cache_free+0x274/0x380 [ 16.834319] __sk_free+0xdf/0x160 [ 16.834634] sk_free+0x1d/0x30 [ 16.834924] tipc_sk_callback+0x24/0x30 [tipc] [ 16.835359] rcu_process_callbacks+0x3e2/0x1320 [ 16.835786] __do_softirq+0xdc/0x650 [ 16.836134] run_ksoftirqd+0x2d/0x60 [ 16.836514] smpboot_thread_fn+0x12e/0x1f0 [ 16.837035] kthread+0xef/0x110 [ 16.837351] ret_from_fork+0x7c/0xb0 [ 16.837691] INFO: Slab 0xffffea0000432000 objects=18 used=0 fp=0xffff880010c83f00 flags=0x100000000004080 [ 16.838611] INFO: Object 0xffff880010c80000 @offset=0 fp=0x (null) [ 16.838611] [ 16.839400] Object ffff880010c80000: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.840267] Object ffff880010c80010: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.841130] Object ffff880010c80020: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.841998] Object ffff880010c80030: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.842872] Object ffff880010c80040: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.843752] Object ffff880010c80050: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.844624] Object ffff880010c80060: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.845487] Object ffff880010c80070: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.846506] Object ffff880010c80080: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.847455] Object ffff880010c80090: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.848360] Object ffff880010c800a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.849242] Object ffff880010c800b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.850148] Object ffff880010c800c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.851046] Object ffff880010c800d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.851962] Object ffff880010c800e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.852911] Object ffff880010c800f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.853791] Object ffff880010c80100: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.854681] Object ffff880010c80110: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.855545] Object ffff880010c80120: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.856414] Object ffff880010c80130: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.857280] Object ffff880010c80140: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.858201] Object ffff880010c80150: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.859068] Object ffff880010c80160: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.859928] Object ffff880010c80170: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.860800] Object ffff880010c80180: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.861672] Object ffff880010c80190: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.862579] Object ffff880010c801a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.863480] Object ffff880010c801b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.864357] Object ffff880010c801c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.865234] Object ffff880010c801d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.866146] Object ffff880010c801e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.867023] Object ffff880010c801f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.867904] Object ffff880010c80200: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.868781] Object ffff880010c80210: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.869648] Object ffff880010c80220: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.870556] Object ffff880010c80230: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.871429] Object ffff880010c80240: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.872302] Object ffff880010c80250: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.873179] Object ffff880010c80260: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.874085] Object ffff880010c80270: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.874966] Object ffff880010c80280: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.875862] Object ffff880010c80290: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.876741] Object ffff880010c802a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.877656] Object ffff880010c802b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.878562] Object ffff880010c802c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.879461] Object ffff880010c802d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.880355] Object ffff880010c802e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.881250] Object ffff880010c802f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.882160] Object ffff880010c80300: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.883041] Object ffff880010c80310: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.883999] Object ffff880010c80320: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.884895] Object ffff880010c80330: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.885770] Object ffff880010c80340: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.886673] Object ffff880010c80350: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.887573] Object ffff880010c80360: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.888487] Object ffff880010c80370: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.889384] Object ffff880010c80380: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.890285] Object ffff880010c80390: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.891182] Object ffff880010c803a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.892058] Object ffff880010c803b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.892925] Object ffff880010c803c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.893817] Object ffff880010c803d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.894698] Object ffff880010c803e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.895625] Object ffff880010c803f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.896528] Object ffff880010c80400: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.897424] Object ffff880010c80410: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.898329] Object ffff880010c80420: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.899226] Object ffff880010c80430: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.900155] Object ffff880010c80440: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.901043] Object ffff880010c80450: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.901912] Object ffff880010c80460: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.902830] Object ffff880010c80470: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.903714] Object ffff880010c80480: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.904630] Object ffff880010c80490: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.905526] Object ffff880010c804a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.906428] Object ffff880010c804b0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.907321] Object ffff880010c804c0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.908221] Object ffff880010c804d0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.909109] Object ffff880010c804e0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.909991] Object ffff880010c804f0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.910877] Object ffff880010c80500: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.911774] Object ffff880010c80510: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.912689] Object ffff880010c80520: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.913601] Object ffff880010c80530: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.914547] Object ffff880010c80540: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.915441] Object ffff880010c80550: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.916334] Object ffff880010c80560: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.917229] Object ffff880010c80570: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.918126] Object ffff880010c80580: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.919009] Object ffff880010c80590: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk [ 16.919887] Object ffff880010c805a0: 33 02 00 00 00 00 00 00 6b 6b 6b 6b 6b 6b 6b 6b 3.......kkkkkkkk [ 16.920779] Object ffff880010c805b0: 6b 6b 6b 6b 6b 6b 6b a5 kkkkkkk. [ 16.921595] Redzone ffff880010c805b8: bb bb bb bb bb bb bb bb ........ [ 16.922450] Padding ffff880010c806f8: 5a 5a 5a 5a 5a 5a 5a 5a ZZZZZZZZ [ 16.923380] FIX TIPC: Restoring 0xffff880010c805a0-0xffff880010c805a7=0x6b [ 16.923380] [ 17.033416] BUG: unable to handle kernel paging request at ffffffffffffff77 [ 17.034009] IP: [] jhash+0xec/0x160 [tipc] [ 17.034009] PGD 2212067 PUD 2214067 PMD 0 [ 17.034009] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 17.034009] Modules linked in: tipc [ 17.034009] CPU: 2 PID: 411 Comm: kworker/2:1 Tainted: G B 3.19.0-rc4+ #110 [ 17.034009] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2007 [ 17.034009] Workqueue: events rht_deferred_worker [ 17.034009] task: ffff880015b8cae0 ti: ffff880015440000 task.ti: ffff880015440000 [ 17.034009] RIP: 0010:[] [] jhash+0xec/0x160 [tipc] [ 17.034009] RSP: 0018:ffff880015443c18 EFLAGS: 00010293 [ 17.034009] RAX: 00000000c910c82d RBX: ffff88000d844000 RCX: 00000000c910c82d [ 17.034009] RDX: 00000000ea63093a RSI: 0000000000000004 RDI: ffffffffffffff74 [ 17.034009] RBP: ffff880015443c18 R08: 00000000c910c82d R09: ffffffffffffff74 [ 17.034009] R10: 0000000000000000 R11: 0000000000000001 R12: ffff880012b7b6a0 [ 17.034009] R13: ffff8800100d31e8 R14: 0000000000000245 R15: ffff88000d844000 [ 17.034009] FS: 0000000000000000(0000) GS:ffff880016200000(0000) knlGS:0000000000000000 [ 17.034009] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 17.034009] CR2: ffffffffffffff77 CR3: 0000000002211000 CR4: 00000000000006e0 [ 17.034009] Stack: [ 17.034009] ffff880015443c38 ffffffff813b38e9 0000000000000175 0000000000000000 [ 17.034009] ffff880015443cc8 ffffffff813b475b ffff88000dc628a0 0000000000000001 [ 17.034009] ffffc90000955368 0000000000000175 ffff88000d844000 ffff8800100d31e8 [ 17.034009] Call Trace: [ 17.034009] [] head_hashfn+0x29/0x50 [ 17.034009] [] rhashtable_expand+0x37b/0x680 [ 17.034009] [] rht_deferred_worker+0xd8/0xe0 [ 17.034009] [] process_one_work+0x200/0x800 [ 17.034009] [] ? process_one_work+0x161/0x800 [ 17.034009] [] ? process_one_work+0x161/0x800 [ 17.034009] [] process_scheduled_works+0x2c/0x40 [ 17.034009] [] worker_thread+0x253/0x4b0 [ 17.034009] [] ? rescuer_thread+0x330/0x330 [ 17.034009] [] kthread+0xef/0x110 [ 17.034009] [] ? flush_kthread_work+0x170/0x170 [ 17.034009] [] ret_from_fork+0x7c/0xb0 [ 17.034009] [] ? flush_kthread_work+0x170/0x170 [ 17.034009] Code: 01 d0 41 0f b6 51 07 c1 e2 18 41 01 d0 41 0f b6 51 06 c1 e2 10 41 01 d0 41 0f b6 51 05 c1 e2 08 41 01 d0 41 0f b6 51 04 41 01 d0 <41> 0f b6 51 03 c1 e2 18 01 d1 41 0f b6 51 02 c1 e2 10 01 d1 41 [ 17.034009] RIP [] jhash+0xec/0x160 [tipc] [ 17.034009] RSP [ 17.034009] CR2: ffffffffffffff77 [ 17.034009] ---[ end trace 5abb1862651dca6a ]--- [ 17.034009] Kernel panic - not syncing: Fatal exception in interrupt [ 17.034009] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) [ 17.034009] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ------------------------------------------------------------------------------ New Year. New Location. New Benefits. New Data Center in Ashburn, VA. GigeNET is offering a free month of service with a new server in Ashburn. Choose from 2 high performing configs, both with 100TB of bandwidth. Higher redundancy.Lower latency.Increased capacity.Completely compliant. http://p.sf.net/sfu/gigenet