[ 194.543688] BUG: kernel NULL pointer dereference, address: 0000000000000030 [ 194.543759] #PF: supervisor read access in kernel mode [ 194.543791] #PF: error_code(0x0000) - not-present page [ 194.543828] PGD 0 [ 194.543846] Oops: Oops: 0000 [#1] SMP [ 194.543869] CPU: 1 UID: 0 PID: 643 Comm: kworker/1:2 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(lazy) [ 194.543920] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 194.543964] Workqueue: mld mld_dad_work [ 194.543990] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 194.544019] 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 [ 194.544115] RSP: 0018:ff5ac02f00b7fc70 EFLAGS: 00010202 [ 194.544143] RAX: 0000000000000000 RBX: ff1acf70c71ea680 RCX: 0000000000000000 [ 194.544180] RDX: ff1acf70c18d9800 RSI: ff1acf70c18d9800 RDI: ff1acf70c71ea680 [ 194.544223] RBP: ff1acf70c1dd0a80 R08: ff1acf70c453a000 R09: ff1acf70c18d9800 [ 194.544266] R10: ff1acf70c4400028 R11: ff1acf70c6ca3800 R12: ff1acf70c6e24c00 [ 194.544302] R13: ff1acf70c4400010 R14: ff1acf70c1dd0a80 R15: ff1acf70c453a000 [ 194.544347] FS: 0000000000000000(0000) GS:ff1acf71740cc000(0000) knlGS:0000000000000000 [ 194.544394] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 194.544427] CR2: 0000000000000030 CR3: 000000001dc48002 CR4: 0000000000771ef0 [ 194.544474] PKRU: 55555554 [ 194.544492] Call Trace: [ 194.544509] [ 194.544524] ip6_finish_output2+0x50b/0x810 [ 194.544551] ? xfrm_policy_lookup_bytype.constprop.0+0x3ea/0x6a0 [ 194.544588] ? ip6_mc_hdr.constprop.0+0x53/0xd0 [ 194.544620] ip6_finish_output+0x1d2/0x360 [ 194.544647] ? xfrm_lookup_with_ifid+0x1a7/0xb20 [ 194.544677] ip6_output+0x82/0x170 [ 194.544699] mld_sendpack+0x1dc/0x2a0 [ 194.544722] mld_dad_work+0x44/0x160 [ 194.544742] process_one_work+0x15f/0x360 [ 194.544767] worker_thread+0x16e/0x2d0 [ 194.544787] ? rescuer_thread+0x510/0x510 [ 194.544812] kthread+0xde/0x110 [ 194.544835] ? kthread_park+0x90/0x90 [ 194.544858] ret_from_fork+0x199/0x270 [ 194.544880] ? kthread_park+0x90/0x90 [ 194.544903] ret_from_fork_asm+0x11/0x20 [ 194.544927] [ 194.544947] Modules linked in: nf_tables bonding psample xfrm_user macsec vxlan ip6_gre ip_gre gre cls_u32 sch_htb chacha libchacha chacha20poly1305 libpoly1305 tls [last unloaded: netdevsim] [ 194.545045] CR2: 0000000000000030 [ 194.545067] ---[ end trace 0000000000000000 ]--- [ 194.545098] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 194.545128] 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 [ 194.545229] RSP: 0018:ff5ac02f00b7fc70 EFLAGS: 00010202 [ 194.545257] RAX: 0000000000000000 RBX: ff1acf70c71ea680 RCX: 0000000000000000 [ 194.545304] RDX: ff1acf70c18d9800 RSI: ff1acf70c18d9800 RDI: ff1acf70c71ea680 [ 194.545348] RBP: ff1acf70c1dd0a80 R08: ff1acf70c453a000 R09: ff1acf70c18d9800 [ 194.545389] R10: ff1acf70c4400028 R11: ff1acf70c6ca3800 R12: ff1acf70c6e24c00 [ 194.545434] R13: ff1acf70c4400010 R14: ff1acf70c1dd0a80 R15: ff1acf70c453a000 [ 194.545478] FS: 0000000000000000(0000) GS:ff1acf71740cc000(0000) knlGS:0000000000000000 [ 194.545523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 194.545559] CR2: 0000000000000030 CR3: 000000001dc48002 CR4: 0000000000771ef0 [ 194.545597] PKRU: 55555554 [ 194.545611] note: kworker/1:2[643] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr