[ 1.768232] ip (246) used greatest stack depth: 12408 bytes left [ 2.318186] br1: port 1(veth1) entered blocking state [ 2.318288] br1: port 1(veth1) entered disabled state [ 2.318355] veth1: entered allmulticast mode [ 2.318458] veth1: entered promiscuous mode [ 2.327864] br1: port 1(veth1) entered blocking state [ 2.327934] br1: port 1(veth1) entered forwarding state [ 2.336920] br1: port 2(veth2) entered blocking state [ 2.336985] br1: port 2(veth2) entered disabled state [ 2.337046] veth2: entered allmulticast mode [ 2.337132] veth2: entered promiscuous mode [ 2.346613] br1: port 2(veth2) entered blocking state [ 2.346703] br1: port 2(veth2) entered forwarding state [ 8.475610] tc (329) used greatest stack depth: 11840 bytes left [ 8.500671] GACT probability NOT on [ 12.906317] tc action pedit unable to extract header offset for header type (0x4) [ 14.954294] tc action pedit unable to extract header offset for header type (0x4) [ 15.466286] tc action pedit unable to extract header offset for header type (0x4) [ 16.346258] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 16.346334] #PF: supervisor write access in kernel mode [ 16.346370] #PF: error_code(0x0002) - not-present page [ 16.346412] PGD 782f067 P4D 782f067 PUD 782c067 PMD 0 [ 16.346456] Oops: Oops: 0002 [#1] SMP [ 16.346487] CPU: 0 UID: 0 PID: 726 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 16.346554] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.346601] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.346649] 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 [ 16.346769] RSP: 0018:ffffae6f00c436b8 EFLAGS: 00010046 [ 16.346808] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 16.346863] RDX: ffffae6f00c436f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.346918] RBP: ffffae6f00c436f0 R08: ffff9111c1393673 R09: ffffffffb786cc80 [ 16.346972] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 16.347027] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 16.347079] FS: 00007f179c3ee800(0000) GS:ffff911246bda000(0000) knlGS:0000000000000000 [ 16.347136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.347185] CR2: 0000000000000000 CR3: 000000000790f005 CR4: 0000000000772ef0 [ 16.347241] PKRU: 55555554 [ 16.347262] Call Trace: [ 16.347286] [ 16.347311] __cancel_work+0x29/0xe0 [ 16.347348] ? linkwatch_urgent_event+0x2f/0xb0 [ 16.347392] __cancel_work_sync+0x16/0x80 [ 16.347422] __dev_close_many+0x11b/0x280 [ 16.347459] __dev_change_flags+0xed/0x220 [ 16.347492] netif_change_flags+0x25/0x60 [ 16.347523] do_setlink.constprop.0+0x2fe/0x1120 [ 16.347567] ? __nla_validate_parse+0x5d/0xe70 [ 16.347611] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 16.347654] rtnl_newlink+0x7fa/0xbc0 [ 16.347685] ? virtio_fs_enqueue_req+0x352/0x570 [ 16.347728] ? netdev_run_todo+0x63/0x550 [ 16.347760] ? rtnl_setlink+0x2c0/0x2c0 [ 16.347790] rtnetlink_rcv_msg+0x358/0x400 [ 16.347823] ? get_page_from_freelist+0x15b4/0x1770 [ 16.347865] ? rtnl_calcit.isra.0+0x110/0x110 [ 16.347905] netlink_rcv_skb+0x57/0x100 [ 16.347941] netlink_unicast+0x252/0x380 [ 16.347972] ? __alloc_skb+0xfc/0x1e0 [ 16.348007] netlink_sendmsg+0x1be/0x3e0 [ 16.348038] ____sys_sendmsg+0x132/0x260 [ 16.348072] ? copy_msghdr_from_user+0x6c/0xa0 [ 16.348114] ___sys_sendmsg+0x87/0xd0 [ 16.348144] ? do_wp_page+0x369/0xe90 [ 16.348179] ? ___pte_offset_map+0x1b/0xd0 [ 16.348211] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 16.348253] ? fsnotify_grab_connector+0x48/0x80 [ 16.348295] ? fsnotify_destroy_marks+0x29/0x150 [ 16.348334] __sys_sendmsg+0x71/0xd0 [ 16.348366] do_syscall_64+0xa4/0xfd0 [ 16.348401] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.348442] RIP: 0033:0x7f179c5bc1d7 [ 16.348475] 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 [ 16.348594] RSP: 002b:00007ffd9b811118 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 16.348650] RAX: ffffffffffffffda RBX: 00007ffd9b811840 RCX: 00007f179c5bc1d7 [ 16.348703] RDX: 0000000000000000 RSI: 00007ffd9b811180 RDI: 0000000000000005 [ 16.348758] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 16.348812] R10: 00007f179c4b8f60 R11: 0000000000000246 R12: 0000000000000003 [ 16.348863] R13: 00000000691cc478 R14: 0000000000499600 R15: 0000000000000000 [ 16.348919] [ 16.348939] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth [ 16.349012] CR2: 0000000000000000 [ 16.349042] ---[ end trace 0000000000000000 ]--- [ 16.349082] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.349125] 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 [ 16.349246] RSP: 0018:ffffae6f00c436b8 EFLAGS: 00010046 [ 16.349284] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 16.349339] RDX: ffffae6f00c436f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.349390] RBP: ffffae6f00c436f0 R08: ffff9111c1393673 R09: ffffffffb786cc80 [ 16.349444] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 16.349499] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 16.349555] FS: 00007f179c3ee800(0000) GS:ffff911246bda000(0000) knlGS:0000000000000000 [ 16.349616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.349661] CR2: 0000000000000000 CR3: 000000000790f005 CR4: 0000000000772ef0 [ 16.349718] PKRU: 55555554 [ 16.349739] note: ip[726] exited with irqs disabled [ 16.349970] ip (726) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr