[ 1.794667] netdevsim netdevsim1337 eni1337np1: renamed from eth0 [ 23.686284] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 23.686359] #PF: supervisor write access in kernel mode [ 23.686404] #PF: error_code(0x0002) - not-present page [ 23.686443] PGD 77d7067 P4D 77d7067 PUD 77d6067 PMD 0 [ 23.686491] Oops: Oops: 0002 [#1] SMP [ 23.686525] CPU: 3 UID: 0 PID: 379 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 23.686598] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.686650] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 23.686699] 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 [ 23.686833] RSP: 0018:ffffbab3c06a7610 EFLAGS: 00010046 [ 23.686867] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 23.686921] RDX: ffffbab3c06a7648 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.686976] RBP: ffffbab3c06a7648 R08: ffffffff85850fb0 R09: 0000000000000101 [ 23.687032] R10: ffffffff860080d8 R11: ffffbab3c013cff8 R12: 0000000000000000 [ 23.687091] R13: ffffbab3c06a7740 R14: 0000000000000020 R15: 00000000ffffffff [ 23.687155] FS: 00007f38d0259800(0000) GS:ffffa01478559000(0000) knlGS:0000000000000000 [ 23.687212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.687256] CR2: 0000000000000000 CR3: 00000000077c4004 CR4: 0000000000772ef0 [ 23.687306] PKRU: 55555554 [ 23.687322] Call Trace: [ 23.687340] [ 23.687364] __cancel_work+0x29/0xe0 [ 23.687404] ? dev_deactivate_many+0x2c9/0x300 [ 23.687448] __cancel_work_sync+0x16/0x80 [ 23.687480] __dev_close_many+0x113/0x2b0 [ 23.687511] netif_close_many+0x98/0x160 [ 23.687541] unregister_netdevice_many_notify+0x10c/0xaa0 [ 23.687580] rtnl_dellink+0x156/0x350 [ 23.687614] ? virtio_fs_enqueue_req+0x352/0x570 [ 23.687658] ? netdev_run_todo+0x63/0x550 [ 23.687688] ? rtnl_bridge_getlink+0x1a0/0x1a0 [ 23.687727] rtnetlink_rcv_msg+0x358/0x400 [ 23.687759] ? get_page_from_freelist+0x15b4/0x1770 [ 23.687801] ? rtnl_calcit.isra.0+0x110/0x110 [ 23.687839] netlink_rcv_skb+0x57/0x100 [ 23.687872] netlink_unicast+0x252/0x380 [ 23.687901] ? __alloc_skb+0xfc/0x1e0 [ 23.687932] netlink_sendmsg+0x1be/0x3e0 [ 23.687963] ____sys_sendmsg+0x132/0x260 [ 23.687993] ? copy_msghdr_from_user+0x6c/0xa0 [ 23.688032] ___sys_sendmsg+0x87/0xd0 [ 23.688064] ? do_wp_page+0x369/0xe90 [ 23.688106] ? ___pte_offset_map+0x1b/0xd0 [ 23.688137] ? __handle_mm_fault+0x4e6/0xe50 [ 23.688174] ? fsnotify_grab_connector+0x48/0x80 [ 23.688217] ? fsnotify_destroy_marks+0x29/0x150 [ 23.688256] __sys_sendmsg+0x71/0xd0 [ 23.688288] do_syscall_64+0xa4/0xfd0 [ 23.688320] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.688359] RIP: 0033:0x7f38d04271d7 [ 23.688396] 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 [ 23.688516] RSP: 002b:00007fff5f914d58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.688571] RAX: ffffffffffffffda RBX: 00007fff5f915490 RCX: 00007f38d04271d7 [ 23.688626] RDX: 0000000000000000 RSI: 00007fff5f914dc0 RDI: 0000000000000005 [ 23.688686] RBP: 0000000000000002 R08: 0000000000000003 R09: 0000000000000078 [ 23.688735] R10: 00007f38d0323510 R11: 0000000000000246 R12: 0000000000000002 [ 23.688815] R13: 00000000691cbaac R14: 0000000000499600 R15: 0000000000000000 [ 23.688866] [ 23.688888] Modules linked in: netdevsim [ 23.688919] CR2: 0000000000000000 [ 23.688949] ---[ end trace 0000000000000000 ]--- [ 23.688987] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 23.689026] 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 [ 23.689148] RSP: 0018:ffffbab3c06a7610 EFLAGS: 00010046 [ 23.689184] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 23.689239] RDX: ffffbab3c06a7648 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.689293] RBP: ffffbab3c06a7648 R08: ffffffff85850fb0 R09: 0000000000000101 [ 23.689343] R10: ffffffff860080d8 R11: ffffbab3c013cff8 R12: 0000000000000000 [ 23.689392] R13: ffffbab3c06a7740 R14: 0000000000000020 R15: 00000000ffffffff [ 23.689448] FS: 00007f38d0259800(0000) GS:ffffa01478559000(0000) knlGS:0000000000000000 [ 23.689533] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.689579] CR2: 0000000000000000 CR3: 00000000077c4004 CR4: 0000000000772ef0 [ 23.689636] PKRU: 55555554 [ 23.689665] note: ip[379] exited with irqs disabled [ 23.689915] ip (379) used greatest stack depth: 11432 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr