[ 2.088029] ip (247) used greatest stack depth: 12296 bytes left [ 7.772055] GACT probability NOT on [ 7.773454] tc (334) used greatest stack depth: 11840 bytes left [ 8.143375] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 8.143460] #PF: supervisor write access in kernel mode [ 8.143505] #PF: error_code(0x0002) - not-present page [ 8.143552] PGD 6c0a067 P4D 6c0a067 PUD 6c0b067 PMD 0 [ 8.143602] Oops: Oops: 0002 [#1] SMP [ 8.143640] CPU: 2 UID: 0 PID: 387 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 8.143719] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.143778] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.143835] 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 [ 8.143980] RSP: 0018:ffffaa07003db6b8 EFLAGS: 00010046 [ 8.144025] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 8.144096] RDX: ffffaa07003db6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.144161] RBP: ffffaa07003db6f0 R08: ffff987181396473 R09: ffffffffb746cc80 [ 8.144227] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 8.144293] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.144361] FS: 00007fb56788d800(0000) GS:ffff9872070da000(0000) knlGS:0000000000000000 [ 8.144429] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.144483] CR2: 0000000000000000 CR3: 00000000067fe001 CR4: 0000000000772ef0 [ 8.144551] PKRU: 55555554 [ 8.144575] Call Trace: [ 8.144604] [ 8.144636] __cancel_work+0x29/0xe0 [ 8.144676] ? linkwatch_urgent_event+0x2f/0xb0 [ 8.144727] __cancel_work_sync+0x16/0x80 [ 8.144763] __dev_close_many+0x11b/0x280 [ 8.144807] __dev_change_flags+0xed/0x220 [ 8.144846] netif_change_flags+0x25/0x60 [ 8.144881] do_setlink.constprop.0+0x2fe/0x1120 [ 8.144934] ? __nla_validate_parse+0x5d/0xe70 [ 8.144983] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 8.145033] rtnl_newlink+0x7fa/0xbc0 [ 8.145070] ? virtio_fs_enqueue_req+0x352/0x570 [ 8.145122] ? netdev_run_todo+0x63/0x550 [ 8.145158] ? rtnl_setlink+0x2c0/0x2c0 [ 8.145194] rtnetlink_rcv_msg+0x358/0x400 [ 8.145230] ? get_page_from_freelist+0x15b4/0x1770 [ 8.145281] ? rtnl_calcit.isra.0+0x110/0x110 [ 8.145326] netlink_rcv_skb+0x57/0x100 [ 8.145373] netlink_unicast+0x252/0x380 [ 8.145410] ? __alloc_skb+0xfc/0x1e0 [ 8.145446] netlink_sendmsg+0x1be/0x3e0 [ 8.145483] ____sys_sendmsg+0x132/0x260 [ 8.145525] ? copy_msghdr_from_user+0x6c/0xa0 [ 8.145575] ___sys_sendmsg+0x87/0xd0 [ 8.145615] ? do_wp_page+0x369/0xe90 [ 8.145654] ? ___pte_offset_map+0x1b/0xd0 [ 8.145691] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 8.145740] ? fsnotify_grab_connector+0x48/0x80 [ 8.145785] ? fsnotify_destroy_marks+0x29/0x150 [ 8.145832] __sys_sendmsg+0x71/0xd0 [ 8.145869] do_syscall_64+0xa4/0xfd0 [ 8.145911] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.145968] RIP: 0033:0x7fb567a5b1d7 [ 8.146002] 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 [ 8.146145] RSP: 002b:00007ffc4de14098 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 8.146211] RAX: ffffffffffffffda RBX: 00007ffc4de147c0 RCX: 00007fb567a5b1d7 [ 8.146277] RDX: 0000000000000000 RSI: 00007ffc4de14100 RDI: 0000000000000005 [ 8.146342] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 8.146408] R10: 00007fb567957f60 R11: 0000000000000246 R12: 0000000000000003 [ 8.146474] R13: 00000000691ccafe R14: 0000000000499600 R15: 0000000000000000 [ 8.146541] [ 8.146566] Modules linked in: act_gact cls_flower sch_ingress vrf veth [ 8.146627] CR2: 0000000000000000 [ 8.146662] ---[ end trace 0000000000000000 ]--- [ 8.146708] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.146758] 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 [ 8.146904] RSP: 0018:ffffaa07003db6b8 EFLAGS: 00010046 [ 8.146957] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 8.147023] RDX: ffffaa07003db6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.147089] RBP: ffffaa07003db6f0 R08: ffff987181396473 R09: ffffffffb746cc80 [ 8.147154] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 8.147220] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.147287] FS: 00007fb56788d800(0000) GS:ffff9872070da000(0000) knlGS:0000000000000000 [ 8.147353] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.147407] CR2: 0000000000000000 CR3: 00000000067fe001 CR4: 0000000000772ef0 [ 8.147474] PKRU: 55555554 [ 8.147499] note: ip[387] exited with irqs disabled [ 8.147817] ip (387) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr