[ 2.199725] ip (225) used greatest stack depth: 12336 bytes left [ 3.699460] ip (833) used greatest stack depth: 12320 bytes left [ 3.904129] tc (910) used greatest stack depth: 11872 bytes left [ 7.683839] BUG: kernel NULL pointer dereference, address: 0000000000000030 [ 7.683894] #PF: supervisor read access in kernel mode [ 7.683927] #PF: error_code(0x0000) - not-present page [ 7.683956] PGD 0 [ 7.683973] Oops: Oops: 0000 [#1] SMP [ 7.684001] CPU: 3 UID: 0 PID: 50 Comm: kworker/3:1 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(lazy) [ 7.684049] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.684084] Workqueue: mld mld_ifc_work [ 7.684112] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 7.684142] Code: 44 00 00 c3 66 0f 1f 44 00 00 f3 0f 1e fa 0f 1f 44 00 00 8b 87 d8 0a 00 00 c3 f3 0f 1e fa 0f 1f 44 00 00 48 8b 87 c8 0a 00 00 <48> 83 78 30 00 0f 95 c0 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8b [ 7.684230] RSP: 0018:ff7ca5bd001bbc48 EFLAGS: 00010202 [ 7.684260] RAX: 0000000000000000 RBX: ff411c1f05c31340 RCX: 0000000000000000 [ 7.684298] RDX: ff411c1f03323900 RSI: ff411c1f03323900 RDI: ff411c1f05c31340 [ 7.684337] RBP: ff411c1f05df8540 R08: ff411c1f05dec000 R09: ff411c1f03323900 [ 7.684379] R10: ff411c1f05cff068 R11: ff411c1f05d6f000 R12: ff411c1f06cc8e00 [ 7.684417] R13: ff411c1f05cff050 R14: ff411c1f05df8540 R15: ff411c1f05dec000 [ 7.684458] FS: 0000000000000000(0000) GS:ff411c1faabcc000(0000) knlGS:0000000000000000 [ 7.684503] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.684537] CR2: 0000000000000030 CR3: 000000002a048002 CR4: 0000000000771ef0 [ 7.684581] PKRU: 55555554 [ 7.684596] Call Trace: [ 7.684611] [ 7.684625] ip6_finish_output2+0x50b/0x810 [ 7.684647] ? kmalloc_reserve+0x70/0x170 [ 7.684671] ip6_finish_output+0x1d2/0x360 [ 7.684692] ip6_output+0x82/0x170 [ 7.684715] mld_sendpack+0x1dc/0x2a0 [ 7.684737] mld_ifc_work+0x2fc/0x4b0 [ 7.684766] process_one_work+0x15f/0x360 [ 7.684790] worker_thread+0x16e/0x2d0 [ 7.684810] ? rescuer_thread+0x510/0x510 [ 7.684829] kthread+0xde/0x110 [ 7.684857] ? kthread_park+0x90/0x90 [ 7.684878] ret_from_fork+0x199/0x270 [ 7.684905] ? kthread_park+0x90/0x90 [ 7.684923] ret_from_fork_asm+0x11/0x20 [ 7.684945] [ 7.684959] Modules linked in: vxlan act_csum act_pedit cls_flower sch_prio [ 7.684997] CR2: 0000000000000030 [ 7.685018] ---[ end trace 0000000000000000 ]--- [ 7.685048] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 7.685078] Code: 44 00 00 c3 66 0f 1f 44 00 00 f3 0f 1e fa 0f 1f 44 00 00 8b 87 d8 0a 00 00 c3 f3 0f 1e fa 0f 1f 44 00 00 48 8b 87 c8 0a 00 00 <48> 83 78 30 00 0f 95 c0 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa 48 8b [ 7.685174] RSP: 0018:ff7ca5bd001bbc48 EFLAGS: 00010202 [ 7.685203] RAX: 0000000000000000 RBX: ff411c1f05c31340 RCX: 0000000000000000 [ 7.685248] RDX: ff411c1f03323900 RSI: ff411c1f03323900 RDI: ff411c1f05c31340 [ 7.685295] RBP: ff411c1f05df8540 R08: ff411c1f05dec000 R09: ff411c1f03323900 [ 7.685336] R10: ff411c1f05cff068 R11: ff411c1f05d6f000 R12: ff411c1f06cc8e00 [ 7.685381] R13: ff411c1f05cff050 R14: ff411c1f05df8540 R15: ff411c1f05dec000 [ 7.685428] FS: 0000000000000000(0000) GS:ff411c1faabcc000(0000) knlGS:0000000000000000 [ 7.685466] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.685505] CR2: 0000000000000030 CR3: 000000002a048002 CR4: 0000000000771ef0 [ 7.685545] PKRU: 55555554 [ 7.685557] note: kworker/3:1[50] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr