[ 2.089956] ip (256) used greatest stack depth: 11912 bytes left [ 2.495399] br1: port 1(veth1) entered blocking state [ 2.495533] br1: port 1(veth1) entered disabled state [ 2.495620] veth1: entered allmulticast mode [ 2.495732] veth1: entered promiscuous mode [ 2.506015] br1: port 1(veth1) entered blocking state [ 2.506077] br1: port 1(veth1) entered forwarding state [ 2.516511] br1: port 2(veth2) entered blocking state [ 2.516610] br1: port 2(veth2) entered disabled state [ 2.516688] veth2: entered allmulticast mode [ 2.516789] veth2: entered promiscuous mode [ 2.527565] br1: port 2(veth2) entered blocking state [ 2.527665] br1: port 2(veth2) entered forwarding state [ 8.677932] tc (328) used greatest stack depth: 11840 bytes left [ 8.707264] GACT probability NOT on [ 12.894235] tc action pedit unable to extract header offset for header type (0x4) [ 16.690287] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 16.690355] #PF: supervisor write access in kernel mode [ 16.690393] #PF: error_code(0x0002) - not-present page [ 16.690426] PGD 74f2067 P4D 74f2067 PUD 74f3067 PMD 0 [ 16.690463] Oops: Oops: 0002 [#1] SMP [ 16.690495] CPU: 0 UID: 0 PID: 725 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 16.690557] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.690600] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.690651] 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 [ 16.690779] RSP: 0018:ffffb651c0cc36b8 EFLAGS: 00010046 [ 16.690817] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 16.690872] RDX: ffffb651c0cc36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.690927] RBP: ffffb651c0cc36f0 R08: ffff8db681393673 R09: ffffffff9fc6cc80 [ 16.690981] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 16.691029] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 16.691081] FS: 00007fb455c1a800(0000) GS:ffff8db71e7da000(0000) knlGS:0000000000000000 [ 16.691134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.691181] CR2: 0000000000000000 CR3: 00000000074e7004 CR4: 0000000000772ef0 [ 16.691239] PKRU: 55555554 [ 16.691255] Call Trace: [ 16.691274] [ 16.691301] __cancel_work+0x29/0xe0 [ 16.691334] ? linkwatch_urgent_event+0x2f/0xb0 [ 16.691374] __cancel_work_sync+0x16/0x80 [ 16.691405] __dev_close_many+0x11b/0x280 [ 16.691441] __dev_change_flags+0xed/0x220 [ 16.691471] netif_change_flags+0x25/0x60 [ 16.691501] do_setlink.constprop.0+0x2fe/0x1120 [ 16.691540] ? __nla_validate_parse+0x5d/0xe70 [ 16.691582] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 16.691625] rtnl_newlink+0x7fa/0xbc0 [ 16.691665] ? virtio_fs_enqueue_req+0x352/0x570 [ 16.691712] ? netdev_run_todo+0x63/0x550 [ 16.691741] ? rtnl_setlink+0x2c0/0x2c0 [ 16.691772] rtnetlink_rcv_msg+0x358/0x400 [ 16.691803] ? get_page_from_freelist+0x15b4/0x1770 [ 16.691845] ? rtnl_calcit.isra.0+0x110/0x110 [ 16.691885] netlink_rcv_skb+0x57/0x100 [ 16.691921] netlink_unicast+0x252/0x380 [ 16.691951] ? __alloc_skb+0xfc/0x1e0 [ 16.691985] netlink_sendmsg+0x1be/0x3e0 [ 16.692016] ____sys_sendmsg+0x132/0x260 [ 16.692048] ? copy_msghdr_from_user+0x6c/0xa0 [ 16.692085] ___sys_sendmsg+0x87/0xd0 [ 16.692115] ? do_wp_page+0x369/0xe90 [ 16.692150] ? ___pte_offset_map+0x1b/0xd0 [ 16.692181] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 16.692223] ? fsnotify_grab_connector+0x48/0x80 [ 16.692261] ? fsnotify_destroy_marks+0x29/0x150 [ 16.692301] __sys_sendmsg+0x71/0xd0 [ 16.692332] do_syscall_64+0xa4/0xfd0 [ 16.692364] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 16.692402] RIP: 0033:0x7fb455de81d7 [ 16.692430] 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 [ 16.692550] RSP: 002b:00007ffe548a1468 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 16.692604] RAX: ffffffffffffffda RBX: 00007ffe548a1b90 RCX: 00007fb455de81d7 [ 16.692661] RDX: 0000000000000000 RSI: 00007ffe548a14d0 RDI: 0000000000000005 [ 16.692714] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 16.692766] R10: 00007fb455ce4f60 R11: 0000000000000246 R12: 0000000000000003 [ 16.692819] R13: 00000000691cd802 R14: 0000000000499600 R15: 0000000000000000 [ 16.692875] [ 16.692896] Modules linked in: act_gact act_pedit cls_flower bridge stp llc sch_ingress vrf veth [ 16.692969] CR2: 0000000000000000 [ 16.692997] ---[ end trace 0000000000000000 ]--- [ 16.693036] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 16.693074] 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 [ 16.693191] RSP: 0018:ffffb651c0cc36b8 EFLAGS: 00010046 [ 16.693228] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 16.693281] RDX: ffffb651c0cc36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 16.693332] RBP: ffffb651c0cc36f0 R08: ffff8db681393673 R09: ffffffff9fc6cc80 [ 16.693381] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 16.693430] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 16.693481] FS: 00007fb455c1a800(0000) GS:ffff8db71e7da000(0000) knlGS:0000000000000000 [ 16.693536] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.693582] CR2: 0000000000000000 CR3: 00000000074e7004 CR4: 0000000000772ef0 [ 16.693631] PKRU: 55555554 [ 16.693662] note: ip[725] exited with irqs disabled [ 16.693895] ip (725) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr