[ 1.895004] ip (248) used greatest stack depth: 12344 bytes left [ 2.365412] br0: port 1(veth1) entered blocking state [ 2.365498] br0: port 1(veth1) entered disabled state [ 2.365566] veth1: entered allmulticast mode [ 2.365711] veth1: entered promiscuous mode [ 2.375203] br0: port 2(veth2) entered blocking state [ 2.375321] br0: port 2(veth2) entered disabled state [ 2.375401] veth2: entered allmulticast mode [ 2.375510] veth2: entered promiscuous mode [ 2.385046] br0: port 3(veth4) entered blocking state [ 2.385145] br0: port 3(veth4) entered disabled state [ 2.385222] veth4: entered allmulticast mode [ 2.385328] veth4: entered promiscuous mode [ 2.457075] br0: port 1(veth1) entered blocking state [ 2.457136] br0: port 1(veth1) entered forwarding state [ 2.466205] br0: port 2(veth2) entered blocking state [ 2.466296] br0: port 2(veth2) entered forwarding state [ 2.475147] br0: port 3(veth4) entered blocking state [ 2.475203] br0: port 3(veth4) entered forwarding state [ 15.814321] veth3: entered promiscuous mode [ 15.879339] GACT probability NOT on [ 15.880412] tc (379) used greatest stack depth: 11840 bytes left [ 16.967100] veth3: left promiscuous mode [ 16.976262] veth3: entered promiscuous mode [ 18.102615] veth3: left promiscuous mode [ 18.121781] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 18.121848] #PF: supervisor write access in kernel mode [ 18.121894] #PF: error_code(0x0002) - not-present page [ 18.121934] PGD 5172067 P4D 5172067 PUD 339b067 PMD 0 [ 18.121980] Oops: Oops: 0002 [#1] SMP [ 18.122017] CPU: 2 UID: 0 PID: 407 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 18.122092] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.122144] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.122195] 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 [ 18.122333] RSP: 0018:ffffb803c034b6b8 EFLAGS: 00010046 [ 18.122373] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.122431] RDX: ffffb803c034b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.122491] RBP: ffffb803c034b6f0 R08: ffff93c981396473 R09: ffffffff83c6cc80 [ 18.122550] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.122609] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.122669] FS: 00007ff7d5307800(0000) GS:ffff93ca3a8da000(0000) knlGS:0000000000000000 [ 18.122735] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.122789] CR2: 0000000000000000 CR3: 0000000006c3c003 CR4: 0000000000772ef0 [ 18.122850] PKRU: 55555554 [ 18.122868] Call Trace: [ 18.122889] [ 18.122911] __cancel_work+0x29/0xe0 [ 18.122944] ? linkwatch_urgent_event+0x2f/0xb0 [ 18.122990] __cancel_work_sync+0x16/0x80 [ 18.123026] __dev_close_many+0x11b/0x280 [ 18.123063] __dev_change_flags+0xed/0x220 [ 18.123099] netif_change_flags+0x25/0x60 [ 18.123135] do_setlink.constprop.0+0x2fe/0x1120 [ 18.123182] ? __nla_validate_parse+0x5d/0xe70 [ 18.123226] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 18.123273] rtnl_newlink+0x7fa/0xbc0 [ 18.123309] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.123354] ? netdev_run_todo+0x63/0x550 [ 18.123390] ? rtnl_setlink+0x2c0/0x2c0 [ 18.123421] rtnetlink_rcv_msg+0x358/0x400 [ 18.123457] ? get_page_from_freelist+0x15b4/0x1770 [ 18.123503] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.123549] netlink_rcv_skb+0x57/0x100 [ 18.123587] netlink_unicast+0x252/0x380 [ 18.123621] ? __alloc_skb+0xfc/0x1e0 [ 18.123658] netlink_sendmsg+0x1be/0x3e0 [ 18.123688] ____sys_sendmsg+0x132/0x260 [ 18.123726] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.123770] ___sys_sendmsg+0x87/0xd0 [ 18.123806] ? do_wp_page+0x369/0xe90 [ 18.123842] ? ___pte_offset_map+0x1b/0xd0 [ 18.123878] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.123924] ? fsnotify_grab_connector+0x48/0x80 [ 18.123970] ? fsnotify_destroy_marks+0x29/0x150 [ 18.124010] __sys_sendmsg+0x71/0xd0 [ 18.124046] do_syscall_64+0xa4/0xfd0 [ 18.124083] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.124129] RIP: 0033:0x7ff7d54d51d7 [ 18.124164] 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 [ 18.124302] RSP: 002b:00007fffdfeb24e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.124367] RAX: ffffffffffffffda RBX: 00007fffdfeb2c10 RCX: 00007ff7d54d51d7 [ 18.124427] RDX: 0000000000000000 RSI: 00007fffdfeb2550 RDI: 0000000000000005 [ 18.124486] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 18.124545] R10: 00007ff7d53d1f60 R11: 0000000000000246 R12: 0000000000000003 [ 18.124605] R13: 00000000691cc30f R14: 0000000000499600 R15: 0000000000000000 [ 18.124665] [ 18.124684] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.124756] CR2: 0000000000000000 [ 18.124784] ---[ end trace 0000000000000000 ]--- [ 18.124824] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.124870] 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 [ 18.125010] RSP: 0018:ffffb803c034b6b8 EFLAGS: 00010046 [ 18.125050] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.125109] RDX: ffffb803c034b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.125169] RBP: ffffb803c034b6f0 R08: ffff93c981396473 R09: ffffffff83c6cc80 [ 18.125228] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.125287] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.125348] FS: 00007ff7d5307800(0000) GS:ffff93ca3a8da000(0000) knlGS:0000000000000000 [ 18.125415] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.125470] CR2: 0000000000000000 CR3: 0000000006c3c003 CR4: 0000000000772ef0 [ 18.125530] PKRU: 55555554 [ 18.125549] note: ip[407] exited with irqs disabled [ 18.125774] ip (407) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr