[ 1.814439] netdevsim netdevsim1337 eni1337np1: renamed from eth0 [ 1.825072] netdevsim netdevsim1057 eni1057np1: renamed from eth1 [ 1.837921] netdevsim netdevsim5417 eni5417np1: renamed from eth0 [ 5.972025] (udev-worker) (132) used greatest stack depth: 12520 bytes left [ 13.417650] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 13.417727] #PF: supervisor write access in kernel mode [ 13.417766] #PF: error_code(0x0002) - not-present page [ 13.417806] PGD 4f75067 P4D 4f75067 PUD 4dd1067 PMD 0 [ 13.417852] Oops: Oops: 0002 [#1] SMP [ 13.417889] CPU: 2 UID: 0 PID: 668 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 13.417964] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 13.418019] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.418071] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 13.418215] RSP: 0018:ffff97b64074f610 EFLAGS: 00010046 [ 13.418261] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 13.418320] RDX: ffff97b64074f648 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.418379] RBP: ffff97b64074f648 R08: ffffffffb5c50fb0 R09: 0000000000000101 [ 13.418438] R10: ffffffffb64080d8 R11: ffff97b640110ff8 R12: 0000000000000000 [ 13.418496] R13: ffff97b64074f740 R14: 0000000000000020 R15: 00000000ffffffff [ 13.418557] FS: 00007fa06c0a9800(0000) GS:ffff88b6c80d9000(0000) knlGS:0000000000000000 [ 13.418622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.418677] CR2: 0000000000000000 CR3: 0000000004c17003 CR4: 0000000000772ef0 [ 13.418737] PKRU: 55555554 [ 13.418756] Call Trace: [ 13.418777] [ 13.418804] __cancel_work+0x29/0xe0 [ 13.418839] ? dev_deactivate_many+0x2c9/0x300 [ 13.418886] __cancel_work_sync+0x16/0x80 [ 13.418922] __dev_close_many+0x113/0x2b0 [ 13.418958] netif_close_many+0x98/0x160 [ 13.418994] unregister_netdevice_many_notify+0x10c/0xaa0 [ 13.419040] rtnl_dellink+0x156/0x350 [ 13.419078] ? virtio_fs_enqueue_req+0x352/0x570 [ 13.419127] ? netdev_run_todo+0x63/0x550 [ 13.419156] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 13.419202] rtnetlink_rcv_msg+0x358/0x400 [ 13.419232] ? get_page_from_freelist+0x15b4/0x1770 [ 13.419279] ? rtnl_calcit.isra.0+0x110/0x110 [ 13.419318] netlink_rcv_skb+0x57/0x100 [ 13.419356] netlink_unicast+0x252/0x380 [ 13.419391] ? __alloc_skb+0xfc/0x1e0 [ 13.419427] netlink_sendmsg+0x1be/0x3e0 [ 13.419457] ____sys_sendmsg+0x132/0x260 [ 13.419493] ? copy_msghdr_from_user+0x6c/0xa0 [ 13.419539] ___sys_sendmsg+0x87/0xd0 [ 13.419568] ? do_wp_page+0x369/0xe90 [ 13.419604] ? ___pte_offset_map+0x1b/0xd0 [ 13.419641] ? __handle_mm_fault+0x4e6/0xe50 [ 13.419686] ? fsnotify_grab_connector+0x48/0x80 [ 13.419732] ? fsnotify_destroy_marks+0x29/0x150 [ 13.419771] __sys_sendmsg+0x71/0xd0 [ 13.419808] do_syscall_64+0xa4/0xfd0 [ 13.419844] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 13.419890] RIP: 0033:0x7fa06c2771d7 [ 13.419925] Code: 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b9 0f 1f 00 f3 0f 1e fa 64 8b 04 25 18 00 00 00 85 c0 75 10 b8 2e 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 51 c3 48 83 ec 28 89 54 24 1c 48 89 74 24 10 [ 13.420063] RSP: 002b:00007ffc814ea138 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 13.420122] RAX: ffffffffffffffda RBX: 00007ffc814ea870 RCX: 00007fa06c2771d7 [ 13.420181] RDX: 0000000000000000 RSI: 00007ffc814ea1a0 RDI: 0000000000000005 [ 13.420240] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 13.420299] R10: 00007fa06c173510 R11: 0000000000000246 R12: 0000000000000002 [ 13.420357] R13: 00000000691cbe62 R14: 0000000000499600 R15: 0000000000000000 [ 13.420417] [ 13.420442] Modules linked in: netdevsim [ 13.420479] CR2: 0000000000000000 [ 13.420508] ---[ end trace 0000000000000000 ]--- [ 13.420554] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 13.420600] Code: 83 e6 01 41 57 41 56 4c 8d 77 20 41 55 41 54 41 89 f4 55 48 89 d5 53 48 89 fb 9c 58 fa 48 89 45 00 45 85 e4 0f 85 8a 00 00 00 48 0f ba 2b 00 41 0f 92 c5 72 0e 5b 44 89 e8 5d 41 5c 41 5d 41 [ 13.420737] RSP: 0018:ffff97b64074f610 EFLAGS: 00010046 [ 13.420779] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 13.420837] RDX: ffff97b64074f648 RSI: 0000000000000000 RDI: 0000000000000000 [ 13.420902] RBP: ffff97b64074f648 R08: ffffffffb5c50fb0 R09: 0000000000000101 [ 13.420953] R10: ffffffffb64080d8 R11: ffff97b640110ff8 R12: 0000000000000000 [ 13.420997] R13: ffff97b64074f740 R14: 0000000000000020 R15: 00000000ffffffff [ 13.421042] FS: 00007fa06c0a9800(0000) GS:ffff88b6c80d9000(0000) knlGS:0000000000000000 [ 13.421092] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 13.421133] CR2: 0000000000000000 CR3: 0000000004c17003 CR4: 0000000000772ef0 [ 13.421178] PKRU: 55555554 [ 13.421197] note: ip[668] exited with irqs disabled [ 13.421411] ip (668) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr