[ 2.641384] netdevsim netdevsim29117 eni29117np1: renamed from eth0 [ 2.807937] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.808017] #PF: supervisor write access in kernel mode [ 2.808060] #PF: error_code(0x0002) - not-present page [ 2.808097] PGD 33e5067 P4D 33e5067 PUD 3823067 PMD 0 [ 2.808149] Oops: Oops: 0002 [#1] SMP [ 2.808192] CPU: 0 UID: 0 PID: 246 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.808275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.808328] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.808379] 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 [ 2.808531] RSP: 0018:ffffb148402b36b8 EFLAGS: 00010046 [ 2.808572] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000080100003 [ 2.808626] RDX: ffffb148402b36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.808693] RBP: ffffb148402b36f0 R08: 0000000000000001 R09: ffffffffba93c800 [ 2.808755] R10: ffff8969c7ae5800 R11: 0000000000000001 R12: 0000000000000000 [ 2.808818] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.808881] FS: 00007fd394d3d800(0000) GS:ffff896a42dd6000(0000) knlGS:0000000000000000 [ 2.808955] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.809006] CR2: 0000000000000000 CR3: 0000000003817002 CR4: 0000000000772ef0 [ 2.809062] PKRU: 55555554 [ 2.809087] Call Trace: [ 2.809109] [ 2.809140] __cancel_work+0x29/0xe0 [ 2.809186] __cancel_work_sync+0x16/0x80 [ 2.809220] __dev_close_many+0x113/0x2b0 [ 2.809266] __dev_change_flags+0xed/0x220 [ 2.809300] netif_change_flags+0x25/0x60 [ 2.809333] do_setlink.constprop.0+0x2fd/0x1170 [ 2.809384] ? __nla_validate_parse+0x5d/0xe70 [ 2.809441] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.809498] rtnl_newlink+0x7fa/0xc00 [ 2.809539] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.809584] ? netdev_run_todo+0x63/0x550 [ 2.809618] ? rtnl_setlink+0x2c0/0x2c0 [ 2.809652] rtnetlink_rcv_msg+0x358/0x400 [ 2.809694] ? get_page_from_freelist+0x15b4/0x1770 [ 2.809735] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.809786] netlink_rcv_skb+0x57/0x100 [ 2.809822] netlink_unicast+0x252/0x380 [ 2.809857] ? __alloc_skb+0xfc/0x1e0 [ 2.809891] netlink_sendmsg+0x1be/0x3e0 [ 2.809928] ____sys_sendmsg+0x132/0x260 [ 2.809968] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.810009] ___sys_sendmsg+0x87/0xd0 [ 2.810043] ? do_wp_page+0x369/0xe90 [ 2.810079] ? ___pte_offset_map+0x1b/0xd0 [ 2.810122] ? __handle_mm_fault+0x4e6/0xe50 [ 2.810165] ? fsnotify_grab_connector+0x48/0x80 [ 2.810215] ? fsnotify_destroy_marks+0x29/0x150 [ 2.810265] __sys_sendmsg+0x71/0xd0 [ 2.810300] do_syscall_64+0xa4/0xfd0 [ 2.810342] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.810389] RIP: 0033:0x7fd394f0b1d7 [ 2.810421] 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 [ 2.810575] RSP: 002b:00007ffeb62c5088 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.810637] RAX: ffffffffffffffda RBX: 00007ffeb62c57b0 RCX: 00007fd394f0b1d7 [ 2.810705] RDX: 0000000000000000 RSI: 00007ffeb62c50f0 RDI: 0000000000000003 [ 2.810761] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 2.810824] R10: 00007fd394e07f60 R11: 0000000000000246 R12: 0000000000000003 [ 2.810877] R13: 00000000691cbe95 R14: 0000000000499600 R15: 0000000000000000 [ 2.810944] [ 2.810967] Modules linked in: netdevsim [ 2.811001] CR2: 0000000000000000 [ 2.811037] ---[ end trace 0000000000000000 ]--- [ 2.811079] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.811129] 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 [ 2.811279] RSP: 0018:ffffb148402b36b8 EFLAGS: 00010046 [ 2.811323] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000080100003 [ 2.811383] RDX: ffffb148402b36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.811437] RBP: ffffb148402b36f0 R08: 0000000000000001 R09: ffffffffba93c800 [ 2.811506] R10: ffff8969c7ae5800 R11: 0000000000000001 R12: 0000000000000000 [ 2.811569] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.811625] FS: 00007fd394d3d800(0000) GS:ffff896a42dd6000(0000) knlGS:0000000000000000 [ 2.811693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.811744] CR2: 0000000000000000 CR3: 0000000003817002 CR4: 0000000000772ef0 [ 2.811808] PKRU: 55555554 [ 2.811832] note: ip[246] exited with irqs disabled [ 2.812015] ip (246) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr