[ 1.930625] ip (248) used greatest stack depth: 12488 bytes left [ 2.073457] ip (255) used greatest stack depth: 12440 bytes left [ 2.269324] 8021q: 802.1Q VLAN Support v1.8 [ 2.651218] br1: port 1(veth1) entered blocking state [ 2.651364] br1: port 1(veth1) entered disabled state [ 2.651475] veth1: entered allmulticast mode [ 2.651583] veth1: entered promiscuous mode [ 2.651953] ip (311) used greatest stack depth: 12088 bytes left [ 2.662335] br1: port 1(veth1) entered blocking state [ 2.662439] br1: port 1(veth1) entered forwarding state [ 28.131621] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 28.131717] #PF: supervisor write access in kernel mode [ 28.131770] #PF: error_code(0x0002) - not-present page [ 28.131816] PGD 4a08067 P4D 4a08067 PUD 2f9e067 PMD 0 [ 28.131874] Oops: Oops: 0002 [#1] SMP [ 28.131912] CPU: 3 UID: 0 PID: 486 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 28.132006] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 28.132072] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 28.132139] 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 [ 28.132323] RSP: 0018:ffffa37440a1b6b8 EFLAGS: 00010046 [ 28.132376] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 28.132452] RDX: ffffa37440a1b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.132530] RBP: ffffa37440a1b6f0 R08: ffff8e1801398873 R09: ffffffffacc6cc80 [ 28.132607] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.132682] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 28.132761] FS: 00007fb54aa4f800(0000) GS:ffff8e189195a000(0000) knlGS:0000000000000000 [ 28.132845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.132912] CR2: 0000000000000000 CR3: 000000000315e002 CR4: 0000000000772ef0 [ 28.132990] PKRU: 55555554 [ 28.133015] Call Trace: [ 28.133041] [ 28.133072] __cancel_work+0x29/0xe0 [ 28.133118] ? linkwatch_urgent_event+0x2f/0xb0 [ 28.133182] __cancel_work_sync+0x16/0x80 [ 28.133221] __dev_close_many+0x11b/0x280 [ 28.133272] __dev_change_flags+0xed/0x220 [ 28.133317] netif_change_flags+0x25/0x60 [ 28.133363] do_setlink.constprop.0+0x2fe/0x1120 [ 28.133422] ? __nla_validate_parse+0x5d/0xe70 [ 28.133480] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 28.133545] rtnl_newlink+0x7fa/0xbc0 [ 28.133591] ? virtio_fs_enqueue_req+0x352/0x570 [ 28.133649] ? netdev_run_todo+0x63/0x550 [ 28.133694] ? rtnl_setlink+0x2c0/0x2c0 [ 28.133733] rtnetlink_rcv_msg+0x358/0x400 [ 28.133772] ? get_page_from_freelist+0x15b4/0x1770 [ 28.133831] ? rtnl_calcit.isra.0+0x110/0x110 [ 28.133889] netlink_rcv_skb+0x57/0x100 [ 28.133940] netlink_unicast+0x252/0x380 [ 28.133984] ? __alloc_skb+0xfc/0x1e0 [ 28.134031] netlink_sendmsg+0x1be/0x3e0 [ 28.134072] ____sys_sendmsg+0x132/0x260 [ 28.134123] ? copy_msghdr_from_user+0x6c/0xa0 [ 28.134180] ___sys_sendmsg+0x87/0xd0 [ 28.134221] ? do_wp_page+0x369/0xe90 [ 28.134270] ? ___pte_offset_map+0x1b/0xd0 [ 28.134309] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 28.134368] ? fsnotify_grab_connector+0x48/0x80 [ 28.134426] ? fsnotify_destroy_marks+0x29/0x150 [ 28.134477] __sys_sendmsg+0x71/0xd0 [ 28.134516] do_syscall_64+0xa4/0xfd0 [ 28.134562] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 28.134622] RIP: 0033:0x7fb54ac1d1d7 [ 28.134667] 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 [ 28.134856] RSP: 002b:00007ffe3e1e0048 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 28.134936] RAX: ffffffffffffffda RBX: 00007ffe3e1e0770 RCX: 00007fb54ac1d1d7 [ 28.135014] RDX: 0000000000000000 RSI: 00007ffe3e1e00b0 RDI: 0000000000000005 [ 28.135091] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 28.135168] R10: 00007fb54ab19f60 R11: 0000000000000246 R12: 0000000000000003 [ 28.135246] R13: 00000000691cc145 R14: 0000000000499600 R15: 0000000000000000 [ 28.135325] [ 28.135350] Modules linked in: bridge stp llc 8021q vrf veth [ 28.135422] CR2: 0000000000000000 [ 28.135459] ---[ end trace 0000000000000000 ]--- [ 28.135510] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 28.135566] 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 [ 28.135748] RSP: 0018:ffffa37440a1b6b8 EFLAGS: 00010046 [ 28.135800] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 28.135877] RDX: ffffa37440a1b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 28.135953] RBP: ffffa37440a1b6f0 R08: ffff8e1801398873 R09: ffffffffacc6cc80 [ 28.136030] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 28.136107] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 28.136185] FS: 00007fb54aa4f800(0000) GS:ffff8e189195a000(0000) knlGS:0000000000000000 [ 28.136270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.136334] CR2: 0000000000000000 CR3: 000000000315e002 CR4: 0000000000772ef0 [ 28.136412] PKRU: 55555554 [ 28.136436] note: ip[486] exited with irqs disabled [ 28.136655] ip (486) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr