[ 1.864772] ip (249) used greatest stack depth: 12136 bytes left [ 2.315769] br0: port 1(veth1) entered blocking state [ 2.315906] br0: port 1(veth1) entered disabled state [ 2.316042] veth1: entered allmulticast mode [ 2.316191] veth1: entered promiscuous mode [ 2.327041] br0: port 2(veth2) entered blocking state [ 2.327111] br0: port 2(veth2) entered disabled state [ 2.327177] veth2: entered allmulticast mode [ 2.327321] veth2: entered promiscuous mode [ 2.347423] br0: port 1(veth1) entered blocking state [ 2.347529] br0: port 1(veth1) entered forwarding state [ 2.357270] br0: port 2(veth2) entered blocking state [ 2.357341] br0: port 2(veth2) entered forwarding state [ 9.446830] veth0: entered promiscuous mode [ 9.511440] GACT probability NOT on [ 9.512652] tc (341) used greatest stack depth: 11840 bytes left [ 33.855082] veth0: left promiscuous mode [ 33.902154] veth3: entered promiscuous mode [ 35.041380] veth3: left promiscuous mode [ 35.065101] veth3: entered promiscuous mode [ 36.205217] veth3: left promiscuous mode [ 36.233688] veth3: entered promiscuous mode [ 37.366998] veth3: left promiscuous mode [ 37.389457] veth3: entered promiscuous mode [ 38.534941] veth3: left promiscuous mode [ 42.516120] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 42.516207] #PF: supervisor write access in kernel mode [ 42.516254] #PF: error_code(0x0002) - not-present page [ 42.516311] PGD 2f49067 P4D 2f49067 PUD 3fb3067 PMD 0 [ 42.516364] Oops: Oops: 0002 [#1] SMP [ 42.516417] CPU: 0 UID: 0 PID: 466 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 42.516489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 42.516534] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 42.516614] 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 [ 42.516743] RSP: 0018:ffffa319409bf6b8 EFLAGS: 00010046 [ 42.516790] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 42.516866] RDX: ffffa319409bf6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.516931] RBP: ffffa319409bf6f0 R08: ffff8c23413a3673 R09: ffffffffbb06cc80 [ 42.516994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.517061] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 42.517126] FS: 00007f971657b800(0000) GS:ffff8c23c33da000(0000) knlGS:0000000000000000 [ 42.517204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.517257] CR2: 0000000000000000 CR3: 0000000002f4a003 CR4: 0000000000772ef0 [ 42.517327] PKRU: 55555554 [ 42.517347] Call Trace: [ 42.517379] [ 42.517416] __cancel_work+0x29/0xe0 [ 42.517455] ? linkwatch_urgent_event+0x2f/0xb0 [ 42.517508] __cancel_work_sync+0x16/0x80 [ 42.517541] __dev_close_many+0x11b/0x280 [ 42.517589] __dev_change_flags+0xed/0x220 [ 42.517626] netif_change_flags+0x25/0x60 [ 42.517659] do_setlink.constprop.0+0x2fe/0x1120 [ 42.517706] ? __nla_validate_parse+0x5d/0xe70 [ 42.517761] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 42.517824] rtnl_newlink+0x7fa/0xbc0 [ 42.517862] ? virtio_fs_enqueue_req+0x352/0x570 [ 42.517923] ? netdev_run_todo+0x63/0x550 [ 42.517956] ? rtnl_setlink+0x2c0/0x2c0 [ 42.517988] rtnetlink_rcv_msg+0x358/0x400 [ 42.518033] ? get_page_from_freelist+0x15b4/0x1770 [ 42.518079] ? rtnl_calcit.isra.0+0x110/0x110 [ 42.518120] netlink_rcv_skb+0x57/0x100 [ 42.518170] netlink_unicast+0x252/0x380 [ 42.518207] ? __alloc_skb+0xfc/0x1e0 [ 42.518251] netlink_sendmsg+0x1be/0x3e0 [ 42.518286] ____sys_sendmsg+0x132/0x260 [ 42.518335] ? copy_msghdr_from_user+0x6c/0xa0 [ 42.518380] ___sys_sendmsg+0x87/0xd0 [ 42.518416] ? do_wp_page+0x369/0xe90 [ 42.518455] ? ___pte_offset_map+0x1b/0xd0 [ 42.518488] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 42.518536] ? fsnotify_grab_connector+0x48/0x80 [ 42.518585] ? fsnotify_destroy_marks+0x29/0x150 [ 42.518627] __sys_sendmsg+0x71/0xd0 [ 42.518661] do_syscall_64+0xa4/0xfd0 [ 42.518710] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 42.518778] RIP: 0033:0x7f97167491d7 [ 42.518822] 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 [ 42.518976] RSP: 002b:00007fffe5ee9418 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 42.519043] RAX: ffffffffffffffda RBX: 00007fffe5ee9b40 RCX: 00007f97167491d7 [ 42.519096] RDX: 0000000000000000 RSI: 00007fffe5ee9480 RDI: 0000000000000005 [ 42.519154] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 42.519207] R10: 00007f9716645f60 R11: 0000000000000246 R12: 0000000000000003 [ 42.519258] R13: 00000000691cbf8f R14: 0000000000499600 R15: 0000000000000000 [ 42.519327] [ 42.519347] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 42.519424] CR2: 0000000000000000 [ 42.519457] ---[ end trace 0000000000000000 ]--- [ 42.519506] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 42.519547] 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 [ 42.519677] RSP: 0018:ffffa319409bf6b8 EFLAGS: 00010046 [ 42.519721] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 42.519787] RDX: ffffa319409bf6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 42.519854] RBP: ffffa319409bf6f0 R08: ffff8c23413a3673 R09: ffffffffbb06cc80 [ 42.519923] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 42.519976] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 42.520044] FS: 00007f971657b800(0000) GS:ffff8c23c33da000(0000) knlGS:0000000000000000 [ 42.520102] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.520150] CR2: 0000000000000000 CR3: 0000000002f4a003 CR4: 0000000000772ef0 [ 42.520204] PKRU: 55555554 [ 42.520227] note: ip[466] exited with irqs disabled [ 42.520506] ip (466) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr