====================================== | [ 26.431597][ T244] ip (244) used greatest stack depth: 23328 bytes left | [ 62.354148][ C1] ------------[ cut here ]------------ | [ 62.354461][ C1] kernel BUG at net/core/skbuff.c:3505! | [ 62.354683][ C1] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 62.355170][ C1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 62.355568][ C1] Workqueue: mld mld_ifc_work [ 62.355754][ C1] RIP: 0010:__skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.355935][ C1] Code: 44 89 14 24 ff d0 0f 1f 00 4c 8b 44 24 08 44 8b 14 24 41 89 c1 eb a5 89 e8 e9 2d fe ff ff 41 ff d5 0f 1f 00 e9 1f fa ff ff 90 <0f> 0b 48 8b 7c 24 10 89 54 24 48 48 89 44 24 40 e8 e7 53 8d fe 8b All code ======== 0: 44 89 14 24 mov %r10d,(%rsp) 4: ff d0 call *%rax 6: 0f 1f 00 nopl (%rax) 9: 4c 8b 44 24 08 mov 0x8(%rsp),%r8 e: 44 8b 14 24 mov (%rsp),%r10d 12: 41 89 c1 mov %eax,%r9d 15: eb a5 jmp 0xffffffffffffffbc 17: 89 e8 mov %ebp,%eax 19: e9 2d fe ff ff jmp 0xfffffffffffffe4b 1e: 41 ff d5 call *%r13 21: 0f 1f 00 nopl (%rax) 24: e9 1f fa ff ff jmp 0xfffffffffffffa48 29: 90 nop 2a:* 0f 0b ud2 <-- trapping instruction 2c: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi 31: 89 54 24 48 mov %edx,0x48(%rsp) 35: 48 89 44 24 40 mov %rax,0x40(%rsp) 3a: e8 e7 53 8d fe call 0xfffffffffe8d5426 3f: 8b .byte 0x8b Code starting with the faulting instruction =========================================== 0: 0f 0b ud2 2: 48 8b 7c 24 10 mov 0x10(%rsp),%rdi 7: 89 54 24 48 mov %edx,0x48(%rsp) b: 48 89 44 24 40 mov %rax,0x40(%rsp) 10: e8 e7 53 8d fe call 0xfffffffffe8d53fc 15: 8b .byte 0x8b [ 62.356536][ C1] RSP: 0018:ffffc900001c8920 EFLAGS: 00010206 [ 62.356858][ C1] RAX: 000000000000138f RBX: 0000000000000008 RCX: 1ffff110013ebdd9 [ 62.357117][ C1] RDX: 000000000000007e RSI: dffffc0000000000 RDI: ffff888009f5eec8 [ 62.357370][ C1] RBP: 000000000000138f R08: 0000000000000008 R09: fffffbfff6aea5a2 [ 62.357732][ C1] R10: ffffffffb5752d17 R11: ffffffffb310dbc4 R12: 0000000000000008 [ 62.358000][ C1] R13: 0000000000000000 R14: ffffc900001c89e0 R15: ffff8880048435c8 [ 62.358270][ C1] FS: 0000000000000000(0000) GS:ffff888036080000(0000) knlGS:0000000000000000 [ 62.358580][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.358801][ C1] CR2: 00007fa7c419f270 CR3: 000000000472c004 CR4: 0000000000770ef0 [ 62.359070][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.359336][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.359599][ C1] PKRU: 55555554 [ 62.359732][ C1] Call Trace: [ 62.359955][ C1] [ 62.360046][ C1] ? die (arch/x86/kernel/dumpstack.c:421 arch/x86/kernel/dumpstack.c:434 arch/x86/kernel/dumpstack.c:447) [ 62.360185][ C1] ? do_trap (arch/x86/kernel/traps.c:113 arch/x86/kernel/traps.c:154) [ 62.360426][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.360609][ C1] ? do_error_trap (./arch/x86/include/asm/traps.h:58 arch/x86/kernel/traps.c:175) [ 62.360790][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.360971][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.361239][ C1] ? handle_invalid_op (arch/x86/kernel/traps.c:213) [ 62.361434][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.361613][ C1] ? exc_invalid_op (arch/x86/kernel/traps.c:265) [ 62.361894][ C1] ? asm_exc_invalid_op (./arch/x86/include/asm/idtentry.h:568) [ 62.362072][ C1] ? dst_init (net/core/dst.c:53) [ 62.362207][ C1] ? __skb_checksum (net/core/skbuff.c:3505 (discriminator 1)) [ 62.362393][ C1] __skb_checksum_complete (net/core/skbuff.c:3643) [ 62.362692][ C1] ? __pfx___skb_checksum_complete (net/core/skbuff.c:3637) [ 62.362917][ C1] ? __pfx_csum_partial_ext (./include/net/checksum.h:120) [ 62.363102][ C1] ? __pfx_csum_block_add_ext (./include/net/checksum.h:103) [ 62.363294][ C1] icmp_rcv (./include/linux/skbuff.h:4567 net/ipv4/icmp.c:1213) [ 62.363443][ C1] ip_protocol_deliver_rcu (net/ipv4/ip_input.c:205 (discriminator 5)) [ 62.363633][ C1] ip_local_deliver_finish (./include/linux/rcupdate.h:779 net/ipv4/ip_input.c:234) [ 62.363820][ C1] ip_local_deliver (./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:254) [ 62.364006][ C1] ? __pfx_ip_local_deliver (net/ipv4/ip_input.c:243) [ 62.364195][ C1] ? ip_rcv_finish_core.constprop.0 (net/ipv4/ip_input.c:367) [ 62.364432][ C1] ip_rcv (./include/net/dst.h:460 net/ipv4/ip_input.c:449 ./include/linux/netfilter.h:314 ./include/linux/netfilter.h:308 net/ipv4/ip_input.c:569) [ 62.364573][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 62.364768][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 62.364953][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) [ 62.365134][ C1] ? __pfx_ip_rcv (net/ipv4/ip_input.c:562) [ 62.365316][ C1] __netif_receive_skb_one_core (net/core/dev.c:5610 (discriminator 4)) [ 62.365560][ C1] ? __pfx___netif_receive_skb_one_core (net/core/dev.c:5603) [ 62.365783][ C1] ? lock_acquire (./include/trace/events/lock.h:24 kernel/locking/lockdep.c:5725) [ 62.366048][ C1] ? process_backlog (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 net/core/dev.c:6051) [ 62.366232][ C1] process_backlog (./include/linux/rcupdate.h:779 net/core/dev.c:6053) [ 62.366417][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 62.366610][ C1] __napi_poll.constprop.0 (net/core/dev.c:6703) [ 62.366902][ C1] net_rx_action (net/core/dev.c:6772 net/core/dev.c:6886) [ 62.367090][ C1] ? __pfx_net_rx_action (net/core/dev.c:6850) [ 62.367270][ C1] ? usage_skip (kernel/locking/lockdep.c:2295 kernel/locking/lockdep.c:2263) [ 62.367452][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 62.367641][ C1] ? hrtimer_interrupt (kernel/time/hrtimer.c:1828) [ 62.367824][ C1] __do_softirq (kernel/softirq.c:553) [ 62.368010][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4399) [ 62.368200][ C1] do_softirq (kernel/softirq.c:454 kernel/softirq.c:441) [ 62.368343][ C1] [ 62.368540][ C1] [ 62.368637][ C1] __local_bh_enable_ip (kernel/softirq.c:381) [ 62.368829][ C1] ? __dev_queue_xmit (./include/linux/rcupdate.h:308 ./include/linux/rcupdate.h:818 net/core/dev.c:4399) [ 62.369009][ C1] __dev_queue_xmit (net/core/dev.c:4400) [ 62.369179][ C1] ? mark_held_locks (kernel/locking/lockdep.c:4274) [ 62.369471][ C1] ? eth_header (net/ethernet/eth.c:100) [ 62.369658][ C1] ? __pfx___dev_queue_xmit (net/core/dev.c:4281) [ 62.369843][ C1] ? neigh_resolve_output (./include/linux/netdevice.h:3226 net/core/neighbour.c:1558 net/core/neighbour.c:1543) [ 62.370024][ C1] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 62.370403][ C1] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 62.370586][ C1] ip6_output (./include/linux/netfilter.h:303 net/ipv6/ip6_output.c:243) [ 62.370915][ C1] ? __pfx_ip6_output (net/ipv6/ip6_output.c:230) [ 62.371190][ C1] ? lock_acquire.part.0 (kernel/locking/lockdep.c:467 kernel/locking/lockdep.c:5756) [ 62.371372][ C1] ? find_held_lock (kernel/locking/lockdep.c:5244) [ 62.371670][ C1] ? __lock_release (kernel/locking/lockdep.c:5430) [ 62.371856][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 62.372045][ C1] NF_HOOK.constprop.0 (./include/linux/rcupdate.h:298 ./include/linux/rcupdate.h:750 ./include/linux/netfilter.h:238 ./include/linux/netfilter.h:312) [ 62.372231][ C1] ? __pfx_NF_HOOK.constprop.0 (./include/linux/netfilter.h:308) [ 62.372512][ C1] ? __pfx_xfrm_lookup_with_ifid (net/xfrm/xfrm_policy.c:3133) [ 62.372752][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 62.372977][ C1] ? icmp6_dst_alloc (net/ipv6/route.c:3293) [ 62.373152][ C1] ? __local_bh_enable_ip (./arch/x86/include/asm/irqflags.h:42 ./arch/x86/include/asm/irqflags.h:77 kernel/softirq.c:386) [ 62.373429][ C1] mld_sendpack (net/ipv6/mcast.c:1822) [ 62.373604][ C1] ? __pfx_mld_sendpack (net/ipv6/mcast.c:1779) [ 62.373778][ C1] ? mld_send_cr (net/ipv6/mcast.c:2096 (discriminator 11)) [ 62.373953][ C1] mld_ifc_work (net/ipv6/mcast.c:2652) [ 62.374125][ C1] process_one_work (kernel/workqueue.c:2633) [ 62.374298][ C1] ? __pfx_lock_acquire.part.0 (kernel/locking/lockdep.c:5719) [ 62.374471][ C1] ? __pfx_process_one_work (kernel/workqueue.c:2542) [ 62.374650][ C1] ? assign_work (kernel/workqueue.c:1101) [ 62.374916][ C1] worker_thread (kernel/workqueue.c:2700 kernel/workqueue.c:2787) [ 62.375088][ C1] ? lockdep_hardirqs_on_prepare.part.0 (kernel/locking/lockdep.c:4300 kernel/locking/lockdep.c:4359) [ 62.375307][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 62.375484][ C1] ? __pfx_worker_thread (kernel/workqueue.c:2733) [ 62.375750][ C1] kthread (kernel/kthread.c:388) [ 62.375885][ C1] ? __pfx_kthread (kernel/kthread.c:341) [ 62.376063][ C1] ret_from_fork (arch/x86/kernel/process.c:147) [ 62.376238][ C1] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: __skb_checksum:__skb_checksum_complete:icmp_rcv:ip_protocol_deliver_rcu