[ 2.712427] gre: GRE over IPv4 demultiplexer driver [ 2.714817] ip_gre: GRE over IPv4 tunneling driver [ 2.741579] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.741674] #PF: supervisor write access in kernel mode [ 2.741727] #PF: error_code(0x0002) - not-present page [ 2.741779] PGD 6301067 P4D 6301067 PUD 6315067 PMD 0 [ 2.741833] Oops: Oops: 0002 [#1] SMP [ 2.741874] CPU: 0 UID: 0 PID: 308 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.741968] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.742034] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.742105] 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 [ 2.742290] RSP: 0018:ffffa9a2c026b628 EFLAGS: 00010046 [ 2.742344] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.742422] RDX: ffffa9a2c026b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.742503] RBP: ffffa9a2c026b660 R08: 0000000000000400 R09: 0000000000000001 [ 2.742581] R10: 0000000000000001 R11: 0000000000000005 R12: 0000000000000000 [ 2.742662] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.742746] FS: 00007f71b3139800(0000) GS:ffff88c4465da000(0000) knlGS:0000000000000000 [ 2.742837] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.742909] CR2: 0000000000000000 CR3: 0000000006302002 CR4: 0000000000772ef0 [ 2.742986] PKRU: 55555554 [ 2.743009] Call Trace: [ 2.743040] [ 2.743072] __cancel_work+0x29/0xe0 [ 2.743115] ? dev_deactivate_many+0x2c9/0x300 [ 2.743176] __cancel_work_sync+0x16/0x80 [ 2.743221] __dev_close_many+0x11b/0x280 [ 2.743268] __dev_change_flags+0xed/0x220 [ 2.743317] netif_change_flags+0x25/0x60 [ 2.743363] dev_change_flags+0x40/0x80 [ 2.743401] cycle_netdev+0x36/0x70 [vrf] [ 2.743451] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.743490] do_set_master+0x10b/0x170 [ 2.743537] do_setlink.constprop.0+0x320/0x1120 [ 2.743585] ? __nla_validate_parse+0x5d/0xe70 [ 2.743643] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.743705] rtnl_newlink+0x7fa/0xbc0 [ 2.743752] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.743811] ? netdev_run_todo+0x63/0x550 [ 2.743856] ? rtnl_setlink+0x2c0/0x2c0 [ 2.743895] rtnetlink_rcv_msg+0x358/0x400 [ 2.743935] ? get_page_from_freelist+0x15b4/0x1770 [ 2.743991] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.744043] netlink_rcv_skb+0x57/0x100 [ 2.744090] netlink_unicast+0x252/0x380 [ 2.744134] ? __alloc_skb+0xfc/0x1e0 [ 2.744170] netlink_sendmsg+0x1be/0x3e0 [ 2.744215] ____sys_sendmsg+0x132/0x260 [ 2.744261] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.744321] ___sys_sendmsg+0x87/0xd0 [ 2.744362] ? do_wp_page+0x369/0xe90 [ 2.744407] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.744467] ? fsnotify_grab_connector+0x48/0x80 [ 2.744525] ? fsnotify_destroy_marks+0x29/0x150 [ 2.744580] __sys_sendmsg+0x71/0xd0 [ 2.744627] do_syscall_64+0xa4/0xfd0 [ 2.744673] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.744732] RIP: 0033:0x7f71b33071d7 [ 2.744782] 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 [ 2.744966] RSP: 002b:00007ffc239da6a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.745041] RAX: ffffffffffffffda RBX: 00007ffc239dadd0 RCX: 00007f71b33071d7 [ 2.745120] RDX: 0000000000000000 RSI: 00007ffc239da710 RDI: 0000000000000005 [ 2.745199] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000000 [ 2.745276] R10: 000000001fbb1910 R11: 0000000000000246 R12: 0000000000000003 [ 2.745350] R13: 00000000691cbfa0 R14: 0000000000499600 R15: 0000000000000000 [ 2.745428] [ 2.745454] Modules linked in: ip_gre gre vrf veth [ 2.745516] CR2: 0000000000000000 [ 2.745557] ---[ end trace 0000000000000000 ]--- [ 2.745608] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.745662] 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 [ 2.745840] RSP: 0018:ffffa9a2c026b628 EFLAGS: 00010046 [ 2.745891] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 2.745968] RDX: ffffa9a2c026b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.746044] RBP: ffffa9a2c026b660 R08: 0000000000000400 R09: 0000000000000001 [ 2.746122] R10: 0000000000000001 R11: 0000000000000005 R12: 0000000000000000 [ 2.746198] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.746279] FS: 00007f71b3139800(0000) GS:ffff88c4465da000(0000) knlGS:0000000000000000 [ 2.746366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.746428] CR2: 0000000000000000 CR3: 0000000006302002 CR4: 0000000000772ef0 [ 2.746509] PKRU: 55555554 [ 2.746534] note: ip[308] exited with irqs disabled [ 2.746982] ip (308) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr