[ 71.614746] udpgso_bench_tx (6675) used greatest stack depth: 11888 bytes left [ 71.794617] udpgso_bench_tx (6745) used greatest stack depth: 11432 bytes left [ 82.259931] udpgso_bench_tx (7601) used greatest stack depth: 11104 bytes left [ 82.444161] udpgso_bench_tx (7671) used greatest stack depth: 11096 bytes left [ 89.469534] BUG: kernel NULL pointer dereference, address: 0000000000000030 [ 89.469593] #PF: supervisor read access in kernel mode [ 89.469622] #PF: error_code(0x0000) - not-present page [ 89.469647] PGD 8b3a067 P4D 0 [ 89.469670] Oops: Oops: 0000 [#1] SMP [ 89.469694] CPU: 2 UID: 0 PID: 51 Comm: kworker/2:1 Not tainted 7.0.0-rc6-virtme #1 PREEMPT(lazy) [ 89.469742] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 89.469774] Workqueue: mld mld_ifc_work [ 89.469801] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 89.469831] 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 [ 89.469929] RSP: 0018:ff3355f9001c3c48 EFLAGS: 00010202 [ 89.469960] RAX: 0000000000000000 RBX: ff1c3cc0488d0000 RCX: 0000000000000000 [ 89.470001] RDX: ff1c3cc0430ee400 RSI: ff1c3cc0430ee400 RDI: ff1c3cc0488d0000 [ 89.470036] RBP: ff1c3cc044921500 R08: ff1c3cc048bdf000 R09: ff1c3cc0430ee400 [ 89.470076] R10: ff1c3cc044ae2028 R11: ff1c3cc044af7000 R12: ff1c3cc041987200 [ 89.470119] R13: ff1c3cc044ae2010 R14: ff1c3cc044921500 R15: ff1c3cc048bdf000 [ 89.470164] FS: 0000000000000000(0000) GS:ff1c3cc0da34c000(0000) knlGS:0000000000000000 [ 89.470209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.470235] CR2: 0000000000000030 CR3: 00000000048dd004 CR4: 0000000000771ef0 [ 89.470278] PKRU: 55555554 [ 89.470293] Call Trace: [ 89.470309] [ 89.470321] ip6_finish_output2+0x50b/0x810 [ 89.470343] ? kmalloc_reserve+0x70/0x170 [ 89.470367] ip6_finish_output+0x1d2/0x360 [ 89.470386] ip6_output+0x82/0x170 [ 89.470409] mld_sendpack+0x1dc/0x2a0 [ 89.470433] mld_ifc_work+0x2fc/0x4b0 [ 89.470453] process_one_work+0x15f/0x360 [ 89.470478] worker_thread+0x16e/0x2d0 [ 89.470495] ? rescuer_thread+0x510/0x510 [ 89.470516] kthread+0xde/0x110 [ 89.470538] ? kthread_park+0x90/0x90 [ 89.470559] ret_from_fork+0x199/0x270 [ 89.470586] ? kthread_park+0x90/0x90 [ 89.470607] ret_from_fork_asm+0x11/0x20 [ 89.470629] [ 89.470640] Modules linked in: xt_bpf xt_length nft_compat xfrm_user nf_tables geneve vxlan ip6_gre ip_gre gre [ 89.470698] CR2: 0000000000000030 [ 89.470724] ---[ end trace 0000000000000000 ]--- [ 89.470753] RIP: 0010:mroute6_is_socket+0x10/0x20 [ 89.470782] 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 [ 89.470878] RSP: 0018:ff3355f9001c3c48 EFLAGS: 00010202 [ 89.470905] RAX: 0000000000000000 RBX: ff1c3cc0488d0000 RCX: 0000000000000000 [ 89.470946] RDX: ff1c3cc0430ee400 RSI: ff1c3cc0430ee400 RDI: ff1c3cc0488d0000 [ 89.470988] RBP: ff1c3cc044921500 R08: ff1c3cc048bdf000 R09: ff1c3cc0430ee400 [ 89.471028] R10: ff1c3cc044ae2028 R11: ff1c3cc044af7000 R12: ff1c3cc041987200 [ 89.471069] R13: ff1c3cc044ae2010 R14: ff1c3cc044921500 R15: ff1c3cc048bdf000 [ 89.471111] FS: 0000000000000000(0000) GS:ff1c3cc0da34c000(0000) knlGS:0000000000000000 [ 89.471153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.471186] CR2: 0000000000000030 CR3: 00000000048dd004 CR4: 0000000000771ef0 [ 89.471230] PKRU: 55555554 [ 89.471243] note: kworker/2:1[51] exited with irqs disabled WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr