[ 1.970013] ip (248) used greatest stack depth: 12344 bytes left [ 2.382197] 8021q: 802.1Q VLAN Support v1.8 [ 2.609681] br0: port 1(veth1) entered blocking state [ 2.609799] br0: port 1(veth1) entered disabled state [ 2.609900] veth1: entered allmulticast mode [ 2.610034] veth1: entered promiscuous mode [ 2.619785] br0: port 2(veth2) entered blocking state [ 2.619865] br0: port 2(veth2) entered disabled state [ 2.619978] veth2: entered allmulticast mode [ 2.620080] veth2: entered promiscuous mode [ 2.651121] br0: port 1(veth1) entered blocking state [ 2.651226] br0: port 1(veth1) entered forwarding state [ 2.660998] br0: port 2(veth2) entered blocking state [ 2.661097] br0: port 2(veth2) entered forwarding state [ 47.275201] Mirror/redirect action on [ 47.276487] tc (568) used greatest stack depth: 11840 bytes left [ 53.432640] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 53.432754] #PF: supervisor write access in kernel mode [ 53.432793] #PF: error_code(0x0002) - not-present page [ 53.432838] PGD 6236067 P4D 6236067 PUD 4d73067 PMD 0 [ 53.432879] Oops: Oops: 0002 [#1] SMP [ 53.432917] CPU: 0 UID: 0 PID: 607 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 53.432981] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 53.433028] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 53.433079] 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 [ 53.433197] RSP: 0018:ffffb3cfc031b6b8 EFLAGS: 00010046 [ 53.433244] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 53.433296] RDX: ffffb3cfc031b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.433357] RBP: ffffb3cfc031b6f0 R08: ffff9d7e413a3673 R09: ffffffff86c6cc80 [ 53.433413] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.433461] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 53.433517] FS: 00007f89c5fdc800(0000) GS:ffff9d7ef77da000(0000) knlGS:0000000000000000 [ 53.433577] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.433657] CR2: 0000000000000000 CR3: 00000000034df004 CR4: 0000000000772ef0 [ 53.433706] PKRU: 55555554 [ 53.433728] Call Trace: [ 53.433749] [ 53.433774] __cancel_work+0x29/0xe0 [ 53.433805] ? linkwatch_urgent_event+0x2f/0xb0 [ 53.433854] __cancel_work_sync+0x16/0x80 [ 53.433889] __dev_close_many+0x11b/0x280 [ 53.433931] __dev_change_flags+0xed/0x220 [ 53.433965] netif_change_flags+0x25/0x60 [ 53.433997] do_setlink.constprop.0+0x2fe/0x1120 [ 53.434045] ? __nla_validate_parse+0x5d/0xe70 [ 53.434106] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 53.434159] rtnl_newlink+0x7fa/0xbc0 [ 53.434190] ? virtio_fs_enqueue_req+0x352/0x570 [ 53.434237] ? netdev_run_todo+0x63/0x550 [ 53.434277] ? rtnl_setlink+0x2c0/0x2c0 [ 53.434313] rtnetlink_rcv_msg+0x358/0x400 [ 53.434358] ? get_page_from_freelist+0x15b4/0x1770 [ 53.434417] ? rtnl_calcit.isra.0+0x110/0x110 [ 53.434456] netlink_rcv_skb+0x57/0x100 [ 53.434501] netlink_unicast+0x252/0x380 [ 53.434533] ? __alloc_skb+0xfc/0x1e0 [ 53.434569] netlink_sendmsg+0x1be/0x3e0 [ 53.434599] ____sys_sendmsg+0x132/0x260 [ 53.434641] ? copy_msghdr_from_user+0x6c/0xa0 [ 53.434686] ___sys_sendmsg+0x87/0xd0 [ 53.434720] ? do_wp_page+0x369/0xe90 [ 53.434752] ? ___pte_offset_map+0x1b/0xd0 [ 53.434784] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 53.434824] ? fsnotify_grab_connector+0x48/0x80 [ 53.434867] ? fsnotify_destroy_marks+0x29/0x150 [ 53.434907] __sys_sendmsg+0x71/0xd0 [ 53.434938] do_syscall_64+0xa4/0xfd0 [ 53.434980] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 53.435025] RIP: 0033:0x7f89c61aa1d7 [ 53.435056] 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 [ 53.435211] RSP: 002b:00007ffd6c9d63a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 53.435269] RAX: ffffffffffffffda RBX: 00007ffd6c9d6ad0 RCX: 00007f89c61aa1d7 [ 53.435324] RDX: 0000000000000000 RSI: 00007ffd6c9d6410 RDI: 0000000000000005 [ 53.435382] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 53.435430] R10: 00007f89c60a6f60 R11: 0000000000000246 R12: 0000000000000003 [ 53.435487] R13: 00000000691cbf6a R14: 0000000000499600 R15: 0000000000000000 [ 53.435542] [ 53.435561] Modules linked in: act_mirred cls_flower sch_ingress bridge stp llc 8021q vrf veth [ 53.435634] CR2: 0000000000000000 [ 53.435663] ---[ end trace 0000000000000000 ]--- [ 53.435701] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 53.435738] 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 [ 53.435855] RSP: 0018:ffffb3cfc031b6b8 EFLAGS: 00010046 [ 53.435903] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 53.435977] RDX: ffffb3cfc031b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 53.436032] RBP: ffffb3cfc031b6f0 R08: ffff9d7e413a3673 R09: ffffffff86c6cc80 [ 53.436084] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 53.436132] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 53.436180] FS: 00007f89c5fdc800(0000) GS:ffff9d7ef77da000(0000) knlGS:0000000000000000 [ 53.436234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.436279] CR2: 0000000000000000 CR3: 00000000034df004 CR4: 0000000000772ef0 [ 53.436344] PKRU: 55555554 [ 53.436368] note: ip[607] exited with irqs disabled [ 53.436591] ip (607) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr