[ 2.357564] Mirror/redirect action on [ 2.369313] tc mirred to Houston: device veth2 is down [ 2.449318] tc mirred to Houston: device veth3 is down [ 9.544766] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 9.544846] #PF: supervisor write access in kernel mode [ 9.544891] #PF: error_code(0x0002) - not-present page [ 9.544930] PGD 5187067 P4D 5187067 PUD 2fa3067 PMD 0 [ 9.544976] Oops: Oops: 0002 [#1] SMP [ 9.545016] CPU: 0 UID: 0 PID: 358 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 9.545088] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 9.545130] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 9.545178] 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 [ 9.545301] RSP: 0018:ffffa90e804a36b8 EFLAGS: 00010046 [ 9.545339] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 9.545397] RDX: ffffa90e804a36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 9.545446] RBP: ffffa90e804a36f0 R08: ffff8d5b813a3673 R09: ffffffffb646cc80 [ 9.545504] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 9.545555] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 9.545612] FS: 00007f756eb6c800(0000) GS:ffff8d5c07fda000(0000) knlGS:0000000000000000 [ 9.545668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.545713] CR2: 0000000000000000 CR3: 00000000063ee005 CR4: 0000000000772ef0 [ 9.545777] PKRU: 55555554 [ 9.545791] Call Trace: [ 9.545811] [ 9.545834] __cancel_work+0x29/0xe0 [ 9.545862] ? linkwatch_urgent_event+0x2f/0xb0 [ 9.545901] __cancel_work_sync+0x16/0x80 [ 9.545939] __dev_close_many+0x11b/0x280 [ 9.545983] __dev_change_flags+0xed/0x220 [ 9.546020] netif_change_flags+0x25/0x60 [ 9.546062] do_setlink.constprop.0+0x2fe/0x1120 [ 9.546101] ? __nla_validate_parse+0x5d/0xe70 [ 9.546142] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 9.546193] rtnl_newlink+0x7fa/0xbc0 [ 9.546224] ? virtio_fs_enqueue_req+0x352/0x570 [ 9.546261] ? netdev_run_todo+0x63/0x550 [ 9.546293] ? rtnl_setlink+0x2c0/0x2c0 [ 9.546326] rtnetlink_rcv_msg+0x358/0x400 [ 9.546365] ? get_page_from_freelist+0x15b4/0x1770 [ 9.546403] ? rtnl_calcit.isra.0+0x110/0x110 [ 9.546441] netlink_rcv_skb+0x57/0x100 [ 9.546473] netlink_unicast+0x252/0x380 [ 9.546505] ? __alloc_skb+0xfc/0x1e0 [ 9.546535] netlink_sendmsg+0x1be/0x3e0 [ 9.546560] ____sys_sendmsg+0x132/0x260 [ 9.546590] ? copy_msghdr_from_user+0x6c/0xa0 [ 9.546635] ___sys_sendmsg+0x87/0xd0 [ 9.546665] ? do_wp_page+0x369/0xe90 [ 9.546696] ? ___pte_offset_map+0x1b/0xd0 [ 9.546727] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 9.546767] ? fsnotify_grab_connector+0x48/0x80 [ 9.546805] ? fsnotify_destroy_marks+0x29/0x150 [ 9.546846] __sys_sendmsg+0x71/0xd0 [ 9.546872] do_syscall_64+0xa4/0xfd0 [ 9.546902] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 9.546950] RIP: 0033:0x7f756ed3a1d7 [ 9.546984] 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 [ 9.547127] RSP: 002b:00007fffa4d16b68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 9.547190] RAX: ffffffffffffffda RBX: 00007fffa4d17290 RCX: 00007f756ed3a1d7 [ 9.547240] RDX: 0000000000000000 RSI: 00007fffa4d16bd0 RDI: 0000000000000005 [ 9.547298] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 9.547360] R10: 00007f756ec36f60 R11: 0000000000000246 R12: 0000000000000003 [ 9.547410] R13: 00000000691cca2a R14: 0000000000499600 R15: 0000000000000000 [ 9.547461] [ 9.547487] Modules linked in: cls_flower act_mirred act_vlan act_mpls cls_matchall sch_ingress vrf veth [ 9.547554] CR2: 0000000000000000 [ 9.547583] ---[ end trace 0000000000000000 ]--- [ 9.547628] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 9.547666] 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 [ 9.547789] RSP: 0018:ffffa90e804a36b8 EFLAGS: 00010046 [ 9.547830] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 9.547878] RDX: ffffa90e804a36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 9.547935] RBP: ffffa90e804a36f0 R08: ffff8d5b813a3673 R09: ffffffffb646cc80 [ 9.548007] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 9.548065] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 9.548116] FS: 00007f756eb6c800(0000) GS:ffff8d5c07fda000(0000) knlGS:0000000000000000 [ 9.548194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9.548236] CR2: 0000000000000000 CR3: 00000000063ee005 CR4: 0000000000772ef0 [ 9.548293] PKRU: 55555554 [ 9.548316] note: ip[358] exited with irqs disabled [ 9.548467] ip (358) used greatest stack depth: 11592 bytes left [ 12.894329] tc mirred to Houston: device veth3 is down [ 13.918321] tc mirred to Houston: device veth3 is down [ 13.918321] tc mirred to Houston: device veth3 is down [ 14.942326] tc mirred to Houston: device veth3 is down [ 14.942328] tc mirred to Houston: device veth3 is down [ 15.966324] tc mirred to Houston: device veth2 is down [ 15.966445] tc mirred to Houston: device veth3 is down [ 16.478318] tc mirred to Houston: device veth3 is down [ 31.838367] tc mirred to Houston: device veth2 is down [ 32.350336] tc mirred to Houston: device veth3 is down [ 64.094333] tc mirred to Houston: device veth2 is down [ 66.654327] tc mirred to Houston: device veth3 is down [ 128.094350] tc mirred to Houston: device veth2 is down [ 132.190331] tc mirred to Houston: device veth3 is down [ 250.974334] tc mirred to Houston: device veth2 is down [ 267.358335] tc mirred to Houston: device veth3 is down [ 492.638350] tc mirred to Houston: device veth2 is down [ 562.270371] tc mirred to Houston: device veth3 is down WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr