[ 1.829826] ip (247) used greatest stack depth: 12344 bytes left [ 2.064059] ip (262) used greatest stack depth: 12328 bytes left [ 2.409454] 8021q: 802.1Q VLAN Support v1.8 [ 2.455604] gre: GRE over IPv4 demultiplexer driver [ 2.457709] ip_gre: GRE over IPv4 tunneling driver [ 2.688352] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.688443] #PF: supervisor write access in kernel mode [ 2.688492] #PF: error_code(0x0002) - not-present page [ 2.688551] PGD 4cd5067 P4D 4cd5067 PUD 6674067 PMD 0 [ 2.688605] Oops: Oops: 0002 [#1] SMP [ 2.688646] CPU: 0 UID: 0 PID: 337 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.688751] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.688827] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.688896] 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 [ 2.689065] RSP: 0018:ffffb9cb8034b628 EFLAGS: 00010046 [ 2.689108] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.689188] RDX: ffffb9cb8034b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.689271] RBP: ffffb9cb8034b660 R08: ffffffffb2262a60 R09: 0000000000000101 [ 2.689343] R10: ffffffffb2a080d8 R11: ffffb9cb80003ff8 R12: 0000000000000000 [ 2.689432] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.689518] FS: 00007fd3eb402800(0000) GS:ffff997b0b9da000(0000) knlGS:0000000000000000 [ 2.689610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.689678] CR2: 0000000000000000 CR3: 0000000006676004 CR4: 0000000000772ef0 [ 2.689748] PKRU: 55555554 [ 2.689774] Call Trace: [ 2.689805] [ 2.689833] __cancel_work+0x29/0xe0 [ 2.689883] ? dev_deactivate_many+0x2c9/0x300 [ 2.689945] __cancel_work_sync+0x16/0x80 [ 2.689996] __dev_close_many+0x11b/0x280 [ 2.690048] __dev_change_flags+0xed/0x220 [ 2.690099] netif_change_flags+0x25/0x60 [ 2.690139] dev_change_flags+0x40/0x80 [ 2.690181] cycle_netdev+0x36/0x70 [vrf] [ 2.690231] vrf_add_slave+0x5a/0xb0 [vrf] [ 2.690274] do_set_master+0x10b/0x170 [ 2.690322] do_setlink.constprop.0+0x320/0x1120 [ 2.690384] ? __nla_validate_parse+0x5d/0xe70 [ 2.690451] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.690519] rtnl_newlink+0x7fa/0xbc0 [ 2.690569] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.690632] ? __rtnl_unlock+0x37/0x60 [ 2.690676] ? netdev_run_todo+0x63/0x550 [ 2.690717] ? rtnl_setlink+0x2c0/0x2c0 [ 2.690756] rtnetlink_rcv_msg+0x358/0x400 [ 2.690800] ? get_page_from_freelist+0x15b4/0x1770 [ 2.690866] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.690928] netlink_rcv_skb+0x57/0x100 [ 2.690986] netlink_unicast+0x252/0x380 [ 2.691035] ? __alloc_skb+0xfc/0x1e0 [ 2.691084] netlink_sendmsg+0x1be/0x3e0 [ 2.691128] ____sys_sendmsg+0x132/0x260 [ 2.691176] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.691241] ___sys_sendmsg+0x87/0xd0 [ 2.691290] ? ___sys_recvmsg+0x87/0xc0 [ 2.691331] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.691396] ? fsnotify_grab_connector+0x48/0x80 [ 2.691438] ? fsnotify_destroy_marks+0x29/0x150 [ 2.691499] __sys_sendmsg+0x71/0xd0 [ 2.691547] do_syscall_64+0xa4/0xfd0 [ 2.691600] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.691664] RIP: 0033:0x7fd3eb5d01d7 [ 2.691706] 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 [ 2.691899] RSP: 002b:00007ffc0148bce8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.691982] RAX: ffffffffffffffda RBX: 00007ffc0148c410 RCX: 00007fd3eb5d01d7 [ 2.692058] RDX: 0000000000000000 RSI: 00007ffc0148bd50 RDI: 0000000000000005 [ 2.692139] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.692220] R10: 00000000073ec910 R11: 0000000000000246 R12: 0000000000000004 [ 2.692300] R13: 00000000691cd8f0 R14: 0000000000499600 R15: 0000000000000000 [ 2.692384] [ 2.692406] Modules linked in: ip_gre gre 8021q vrf veth [ 2.692461] CR2: 0000000000000000 [ 2.692507] ---[ end trace 0000000000000000 ]--- [ 2.692563] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.692625] 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 [ 2.692817] RSP: 0018:ffffb9cb8034b628 EFLAGS: 00010046 [ 2.692870] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000ffffffff [ 2.692955] RDX: ffffb9cb8034b660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.693024] RBP: ffffb9cb8034b660 R08: ffffffffb2262a60 R09: 0000000000000101 [ 2.693105] R10: ffffffffb2a080d8 R11: ffffb9cb80003ff8 R12: 0000000000000000 [ 2.693184] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.693269] FS: 00007fd3eb402800(0000) GS:ffff997b0b9da000(0000) knlGS:0000000000000000 [ 2.693357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.693427] CR2: 0000000000000000 CR3: 0000000006676004 CR4: 0000000000772ef0 [ 2.693498] PKRU: 55555554 [ 2.693524] note: ip[337] exited with irqs disabled [ 2.693822] ip (337) used greatest stack depth: 11448 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr