[ 1.898972] ip (246) used greatest stack depth: 12328 bytes left [ 2.151487] br0: port 1(veth1) entered blocking state [ 2.151552] br0: port 1(veth1) entered disabled state [ 2.151599] veth1: entered allmulticast mode [ 2.151673] veth1: entered promiscuous mode [ 2.162368] br0: port 2(veth3) entered blocking state [ 2.162456] br0: port 2(veth3) entered disabled state [ 2.162542] veth3: entered allmulticast mode [ 2.162658] veth3: entered promiscuous mode [ 2.192256] br0: port 1(veth1) entered blocking state [ 2.192317] br0: port 1(veth1) entered forwarding state [ 2.212700] br0: port 2(veth3) entered blocking state [ 2.212757] br0: port 2(veth3) entered forwarding state [ 7.368564] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 7.368640] #PF: supervisor write access in kernel mode [ 7.368678] #PF: error_code(0x0002) - not-present page [ 7.368717] PGD 2f7c067 P4D 2f7c067 PUD 2fcc067 PMD 0 [ 7.368768] Oops: Oops: 0002 [#1] SMP [ 7.368799] CPU: 0 UID: 0 PID: 301 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 7.368880] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 7.368927] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.368972] 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 [ 7.369096] RSP: 0018:ffffac55c026b6b8 EFLAGS: 00010046 [ 7.369135] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.369191] RDX: ffffac55c026b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.369240] RBP: ffffac55c026b6f0 R08: ffff9bdfc1393673 R09: ffffffffb6e6cc80 [ 7.369294] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 7.369352] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 7.369404] FS: 00007f22cd0eb800(0000) GS:ffff9be0475da000(0000) knlGS:0000000000000000 [ 7.369462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.369513] CR2: 0000000000000000 CR3: 0000000001b88002 CR4: 0000000000772ef0 [ 7.369562] PKRU: 55555554 [ 7.369585] Call Trace: [ 7.369602] [ 7.369625] __cancel_work+0x29/0xe0 [ 7.369656] ? linkwatch_urgent_event+0x2f/0xb0 [ 7.369695] __cancel_work_sync+0x16/0x80 [ 7.369727] __dev_close_many+0x11b/0x280 [ 7.369768] __dev_change_flags+0xed/0x220 [ 7.369823] netif_change_flags+0x25/0x60 [ 7.369855] do_setlink.constprop.0+0x2fe/0x1120 [ 7.369895] ? __nla_validate_parse+0x5d/0xe70 [ 7.369939] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 7.369982] rtnl_newlink+0x7fa/0xbc0 [ 7.370013] ? virtio_fs_enqueue_req+0x352/0x570 [ 7.370054] ? netdev_run_todo+0x63/0x550 [ 7.370084] ? rtnl_setlink+0x2c0/0x2c0 [ 7.370114] rtnetlink_rcv_msg+0x358/0x400 [ 7.370141] ? get_page_from_freelist+0x15b4/0x1770 [ 7.370183] ? rtnl_calcit.isra.0+0x110/0x110 [ 7.370223] netlink_rcv_skb+0x57/0x100 [ 7.370256] netlink_unicast+0x252/0x380 [ 7.370285] ? __alloc_skb+0xfc/0x1e0 [ 7.370315] netlink_sendmsg+0x1be/0x3e0 [ 7.370354] ____sys_sendmsg+0x132/0x260 [ 7.370404] ? copy_msghdr_from_user+0x6c/0xa0 [ 7.370444] ___sys_sendmsg+0x87/0xd0 [ 7.370474] ? do_wp_page+0x369/0xe90 [ 7.370508] ? ___pte_offset_map+0x1b/0xd0 [ 7.370540] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 7.370578] ? fsnotify_grab_connector+0x48/0x80 [ 7.370618] ? fsnotify_destroy_marks+0x29/0x150 [ 7.370656] __sys_sendmsg+0x71/0xd0 [ 7.370686] do_syscall_64+0xa4/0xfd0 [ 7.370716] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 7.370764] RIP: 0033:0x7f22cd2b91d7 [ 7.370795] 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 [ 7.370917] RSP: 002b:00007ffcaefffb18 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 7.370972] RAX: ffffffffffffffda RBX: 00007ffcaf000240 RCX: 00007f22cd2b91d7 [ 7.371054] RDX: 0000000000000000 RSI: 00007ffcaefffb80 RDI: 0000000000000005 [ 7.371102] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 7.371157] R10: 00007f22cd1b5f60 R11: 0000000000000246 R12: 0000000000000003 [ 7.371207] R13: 00000000691ccb3d R14: 0000000000499600 R15: 0000000000000000 [ 7.371263] [ 7.371284] Modules linked in: bridge stp llc veth [ 7.371323] CR2: 0000000000000000 [ 7.371358] ---[ end trace 0000000000000000 ]--- [ 7.371392] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 7.371430] 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 [ 7.371554] RSP: 0018:ffffac55c026b6b8 EFLAGS: 00010046 [ 7.371593] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 7.371648] RDX: ffffac55c026b6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 7.371702] RBP: ffffac55c026b6f0 R08: ffff9bdfc1393673 R09: ffffffffb6e6cc80 [ 7.371762] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 7.371818] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 7.371896] FS: 00007f22cd0eb800(0000) GS:ffff9be0475da000(0000) knlGS:0000000000000000 [ 7.371951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7.371995] CR2: 0000000000000000 CR3: 0000000001b88002 CR4: 0000000000772ef0 [ 7.372052] PKRU: 55555554 [ 7.372073] note: ip[301] exited with irqs disabled [ 7.372251] ip (301) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr