[ 2.029759] ip (272) used greatest stack depth: 12136 bytes left [ 2.682101] br0: port 1(swp1) entered blocking state [ 2.682177] br0: port 1(swp1) entered disabled state [ 2.682230] swp1: entered allmulticast mode [ 2.682304] swp1: entered promiscuous mode [ 2.733728] br0: port 2(vx0) entered blocking state [ 2.733841] br0: port 2(vx0) entered disabled state [ 2.733916] vx0: entered allmulticast mode [ 2.734001] vx0: entered promiscuous mode [ 2.734077] br0: port 2(vx0) entered blocking state [ 2.734147] br0: port 2(vx0) entered forwarding state [ 2.888277] br0: port 1(swp1) entered blocking state [ 2.888384] br0: port 1(swp1) entered disabled state [ 2.888458] swp1: entered allmulticast mode [ 2.888548] swp1: entered promiscuous mode [ 2.888711] br0: port 1(swp1) entered blocking state [ 2.888773] br0: port 1(swp1) entered forwarding state [ 2.916759] br0: port 2(vx0) entered blocking state [ 2.916835] br0: port 2(vx0) entered disabled state [ 2.916880] vx0: entered allmulticast mode [ 2.916953] vx0: entered promiscuous mode [ 2.917003] br0: port 2(vx0) entered blocking state [ 2.917045] br0: port 2(vx0) entered forwarding state [ 3.488878] br0: port 1(swp1) entered blocking state [ 3.489032] br0: port 1(swp1) entered forwarding state [ 8.056773] GACT probability NOT on [ 8.769287] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 8.769363] #PF: supervisor write access in kernel mode [ 8.769402] #PF: error_code(0x0002) - not-present page [ 8.769437] PGD 69a7067 P4D 69a7067 PUD 69df067 PMD 0 [ 8.769488] Oops: Oops: 0002 [#1] SMP [ 8.769520] CPU: 3 UID: 0 PID: 407 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 8.769591] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.769634] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.769692] 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 [ 8.769820] RSP: 0018:ffffb189802d36b8 EFLAGS: 00010046 [ 8.769862] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 8.769923] RDX: ffffb189802d36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.769981] RBP: ffffb189802d36f0 R08: ffff93b082e43673 R09: 0000000000000002 [ 8.770034] R10: ffff93b0beda8840 R11: ffff93b082e42e90 R12: 0000000000000000 [ 8.770087] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.770149] FS: 00007f57c752a800(0000) GS:ffff93b112d11000(0000) knlGS:0000000000000000 [ 8.770212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.770260] CR2: 0000000000000000 CR3: 0000000003b30005 CR4: 0000000000772ef0 [ 8.770309] PKRU: 55555554 [ 8.770326] Call Trace: [ 8.770345] [ 8.770370] __cancel_work+0x29/0xe0 [ 8.770401] ? queue_delayed_work_on+0x54/0x60 [ 8.770442] __cancel_work_sync+0x16/0x80 [ 8.770476] __dev_close_many+0x113/0x2b0 [ 8.770513] __dev_change_flags+0xed/0x220 [ 8.770544] netif_change_flags+0x25/0x60 [ 8.770575] do_setlink.constprop.0+0x2fd/0x1170 [ 8.770617] ? __nla_validate_parse+0x5d/0xe70 [ 8.770657] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 8.770710] rtnl_newlink+0x7fa/0xc00 [ 8.770742] ? virtio_fs_enqueue_req+0x352/0x570 [ 8.770788] ? netdev_run_todo+0x63/0x550 [ 8.770819] ? rtnl_setlink+0x2c0/0x2c0 [ 8.770866] rtnetlink_rcv_msg+0x358/0x400 [ 8.770899] ? get_page_from_freelist+0x15b4/0x1770 [ 8.770940] ? rtnl_calcit.isra.0+0x110/0x110 [ 8.770989] netlink_rcv_skb+0x57/0x100 [ 8.771028] netlink_unicast+0x252/0x380 [ 8.771060] ? __alloc_skb+0xfc/0x1e0 [ 8.771093] netlink_sendmsg+0x1be/0x3e0 [ 8.771120] ____sys_sendmsg+0x132/0x260 [ 8.771153] ? copy_msghdr_from_user+0x6c/0xa0 [ 8.771192] ___sys_sendmsg+0x87/0xd0 [ 8.771223] ? do_wp_page+0x369/0xe90 [ 8.771253] ? ___pte_offset_map+0x1b/0xd0 [ 8.771291] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 8.771336] ? fsnotify_grab_connector+0x48/0x80 [ 8.771383] ? fsnotify_destroy_marks+0x29/0x150 [ 8.771423] __sys_sendmsg+0x71/0xd0 [ 8.771455] do_syscall_64+0xa4/0xfd0 [ 8.771491] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.771538] RIP: 0033:0x7f57c76f81d7 [ 8.771568] 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 [ 8.771704] RSP: 002b:00007ffff60af278 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 8.771757] RAX: ffffffffffffffda RBX: 00007ffff60af9b0 RCX: 00007f57c76f81d7 [ 8.771809] RDX: 0000000000000000 RSI: 00007ffff60af2e0 RDI: 0000000000000005 [ 8.771875] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 8.771925] R10: 00007f57c75f4510 R11: 0000000000000246 R12: 0000000000000003 [ 8.771985] R13: 00000000691cbd6a R14: 0000000000499600 R15: 0000000000000000 [ 8.772045] [ 8.772060] Modules linked in: act_gact cls_flower sch_ingress vxlan [ 8.772112] CR2: 0000000000000000 [ 8.772142] ---[ end trace 0000000000000000 ]--- [ 8.772180] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.772225] 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 [ 8.772360] RSP: 0018:ffffb189802d36b8 EFLAGS: 00010046 [ 8.772403] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 8.772469] RDX: ffffb189802d36f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.772533] RBP: ffffb189802d36f0 R08: ffff93b082e43673 R09: 0000000000000002 [ 8.772595] R10: ffff93b0beda8840 R11: ffff93b082e42e90 R12: 0000000000000000 [ 8.772645] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.772706] FS: 00007f57c752a800(0000) GS:ffff93b112d11000(0000) knlGS:0000000000000000 [ 8.772763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.772806] CR2: 0000000000000000 CR3: 0000000003b30005 CR4: 0000000000772ef0 [ 8.772868] PKRU: 55555554 [ 8.772885] note: ip[407] exited with irqs disabled [ 8.773158] ip (407) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr