skb_release_data oops
From: kendo <hidden>
Date: 2012-05-25 14:34:33
I use the Linux kernel 2.6..38.8,found a bug when free skb,This failure may occur because what was it? Can you give some suggestions, thanks!!!! Best reguards. --------------------------------------------------------------- May 25 19:30:54 AnShion <9> klogd: [164619.378640] BUG: unable to handle kernel paging request at 000095a3 May 25 19:30:54 AnShion <9> klogd: [164619.454609] IP: [<c01c2353>] put_page+0x3/0x40 May 25 19:30:54 AnShion <12> klogd: [164619.508726] *pde = 00000000 May 25 19:30:54 AnShion <8> klogd: [164619.544185] Oops: 0000 [#1] SMP May 25 19:30:54 AnShion <8> klogd: [164619.583891] last sysfs file: /sys/devices/virtual/net/tunl_FJ/uevent May 25 19:30:54 AnShion <12> klogd: [164619.660716] Modules linked in: dpi_engine ipmi_watchdog nf_connmark ip_set_hash_netiface ip_set_hash_net ip_set_hash_ip xt_set ip_set xt_hashrate xt_dpi xt_pcc xt_nth xt_random xt_nflog xt_replace igb e1000e [last unloaded: dpi_engine] May 25 19:30:54 AnShion <12> klogd: [164619.912644] May 25 19:30:54 AnShion <12> klogd: [164619.931412] Pid: 0, comm: kworker/0:1 Not tainted 2.6.38.8 #347 To be filled by O.E.M. To be filled by O.E.M./P8B-X series May 25 19:30:54 AnShion <12> klogd: [164620.064736] EIP: 0060:[<c01c2353>] EFLAGS: 00010202 CPU: 5 May 25 19:30:54 AnShion <12> klogd: [164620.131193] EIP is at put_page+0x3/0x40 May 25 19:30:54 AnShion <12> klogd: [164620.177950] EAX: 000095a3 EBX: 00000001 ECX: 00000000 EDX: 000095a3 May 25 19:30:54 AnShion <12> klogd: [164620.253737] ESI: dbda30c0 EDI: dbda30c0 EBP: f3cffd4c ESP: f3cffd3c May 25 19:30:54 AnShion <12> klogd: [164620.329522] DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 May 25 19:30:54 AnShion <8> klogd: [164620.394942] Process kworker/0:1 (pid: 0, ti=f3cfe000 task=f3cd4b00 task.ti=f3ce6000) May 25 19:30:54 AnShion <8> klogd: [164620.488351] Stack: May 25 19:30:54 AnShion <12> klogd: [164620.513337] f3cffd4c c069dbe4 dbda30c0 00000001 f3cffd58 c069d7a2 00000000 f3cffd70 May 25 19:30:54 AnShion <12> klogd: [164620.607577] c069d8ea c06dba0f 00000000 00000001 dbda30c0 f3cffda4 c06dba0f f30e0000 May 25 19:30:54 AnShion <12> klogd: [164620.701819] 00000000 f3cffd94 c0700ba0 80000000 00000002 c0b407a8 f34d3240 dbda30c0 May 25 19:30:54 AnShion <8> klogd: [164620.796059] Call Trace: May 25 19:30:54 AnShion <12> klogd: [164620.826232] [<c069dbe4>] ? skb_release_data+0x84/0xa0 May 25 19:30:54 AnShion <12> klogd: [164620.888539] [<c069d7a2>] __kfree_skb+0x12/0x90 May 25 19:30:54 AnShion <12> klogd: [164620.943589] [<c069d8ea>] kfree_skb+0x5a/0x70 May 25 19:30:54 AnShion <12> klogd: [164620.996568] [<c06dba0f>] ? nf_hook_slow+0xcf/0xf0 May 25 19:30:54 AnShion <12> klogd: [164621.054730] [<c06dba0f>] nf_hook_slow+0xcf/0xf0 May 25 19:30:54 AnShion <12> klogd: [164621.110820] [<c0700ba0>] ? ip_local_deliver_finish+0x0/0x260 May 25 19:30:54 AnShion <12> klogd: [164621.180385] [<c0700e52>] ip_local_deliver+0x52/0xa0 May 25 19:30:54 AnShion <12> klogd: [164621.240620] [<c0700ba0>] ? ip_local_deliver_finish+0x0/0x260 May 25 19:30:54 AnShion <12> klogd: [164621.310186] [<c0700701>] ip_rcv_finish+0x241/0x3c0 May 25 19:30:54 AnShion <12> klogd: [164621.369383] [<c0700b26>] ip_rcv+0x2a6/0x320 May 25 19:30:54 AnShion <12> klogd: [164621.421324] [<c07004c0>] ? ip_rcv_finish+0x0/0x3c0 May 25 19:30:54 AnShion <12> klogd: [164621.480523] [<c06a9468>] __netif_receive_skb+0x258/0x520 May 25 19:30:54 AnShion <12> klogd: [164621.545942] [<c01e8cc0>] ? add_partial+0x40/0x70 May 25 19:30:54 AnShion <12> klogd: [164621.603068] [<c06a9863>] netif_receive_skb+0x23/0x50 May 25 19:30:54 AnShion <12> klogd: [164621.664340] [<c06a9987>] napi_skb_finish+0x37/0x50 May 25 19:30:54 AnShion <12> klogd: [164621.723537] [<c06a9fcb>] napi_gro_receive+0xdb/0xf0 May 25 19:30:54 AnShion <12> klogd: [164621.783774] [<c0192a4f>] ? irq_to_desc+0xf/0x20 May 25 19:30:54 AnShion <12> klogd: [164621.839860] [<c0105606>] ? handle_irq+0x16/0x90 May 25 19:30:54 AnShion <12> klogd: [164621.895954] [<f81d679c>] igb_poll+0x5fc/0xef0 [igb] May 25 19:30:54 AnShion <12> klogd: [164621.956184] [<c0104bc5>] ? do_IRQ+0x45/0xb0 May 25 19:30:54 AnShion <12> klogd: [164622.008128] [<c06a9dfa>] net_rx_action+0xaa/0x1a0 May 25 19:30:54 AnShion <12> klogd: [164622.066288] [<c014bfa1>] __do_softirq+0xb1/0x190 May 25 19:30:54 AnShion <12> klogd: [164622.123411] [<c014bef0>] ? __do_softirq+0x0/0x190 May 25 19:30:54 AnShion <8> klogd: [164622.181572] <IRQ> May 25 19:30:54 AnShion <12> klogd: [164622.207700] [<c014be6d>] ? irq_exit+0x5d/0x80 May 25 19:30:54 AnShion <12> klogd: [164622.261716] [<c011c9a6>] ? smp_apic_timer_interrupt+0x56/0x90 May 25 19:30:54 AnShion <12> klogd: [164622.332317] [<c0819c61>] ? apic_timer_interrupt+0x31/0x38 May 25 19:30:54 AnShion <12> klogd: [164622.398773] [<c0124b05>] ? native_safe_halt+0x5/0x10 May 25 19:30:54 AnShion <12> klogd: [164622.460046] [<c040e345>] ? acpi_idle_do_entry+0x33/0x54 May 25 19:30:54 AnShion <12> klogd: [164622.524426] [<c040e3bd>] ? acpi_idle_enter_c1+0x57/0x95 May 25 19:30:54 AnShion <12> klogd: [164622.588809] [<c0674089>] ? cpuidle_idle_call+0xd9/0x1c0 May 25 19:30:54 AnShion <12> klogd: [164622.653190] [<c010214a>] ? cpu_idle+0x8a/0xc0 May 25 19:30:54 AnShion <12> klogd: [164622.707206] [<c0813699>] ? start_secondary+0x1a1/0x1e8 May 25 19:30:54 AnShion <8> klogd: [164622.770550] Code: 04 f0 ff 0e 0f 94 c0 84 c0 74 d4 89 f8 e8 96 fe ff ff eb cb 0f ae e8 89 f6 8b 03 eb de 8d 74 26 00 8d bc 27 00 00 00 00 55 89 c2 <66> f7 00 00 c0 89 e5 75 1d 8b 40 04 f0 ff 4a 04 0f 94 c0 84 c0