[ 2.173787] ip (257) used greatest stack depth: 12136 bytes left [ 2.511905] eth0: renamed from tmp [ 2.681209] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.681285] #PF: supervisor write access in kernel mode [ 2.681321] #PF: error_code(0x0002) - not-present page [ 2.681357] PGD 1afa067 P4D 1afa067 PUD 3164067 PMD 0 [ 2.681400] Oops: Oops: 0002 [#1] SMP [ 2.681434] CPU: 2 UID: 0 PID: 298 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.681490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.681527] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.681570] 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 [ 2.681680] RSP: 0018:ffffac5a406ef628 EFLAGS: 00010046 [ 2.681715] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.681765] RDX: ffffac5a406ef660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.681809] RBP: ffffac5a406ef660 R08: ffff92aa4139e473 R09: 0000000000000002 [ 2.681859] R10: ffff92aa7ed28840 R11: ffff92aa4139dc90 R12: 0000000000000000 [ 2.681909] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.681956] FS: 00007f3407109800(0000) GS:ffff92aad6891000(0000) knlGS:0000000000000000 [ 2.682007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.682049] CR2: 0000000000000000 CR3: 00000000031d8002 CR4: 0000000000772ef0 [ 2.682101] PKRU: 55555554 [ 2.682122] Call Trace: [ 2.682138] [ 2.682160] __cancel_work+0x29/0xe0 [ 2.682191] ? linkwatch_urgent_event+0x2f/0xb0 [ 2.682231] __cancel_work_sync+0x16/0x80 [ 2.682264] __dev_close_many+0x113/0x2b0 [ 2.682298] __dev_change_flags+0xed/0x220 [ 2.682328] netif_change_flags+0x25/0x60 [ 2.682361] dev_change_flags+0x40/0xa0 [ 2.682393] cycle_netdev+0x36/0x70 [ 2.682426] vrf_add_slave+0x5a/0xb0 [ 2.682453] do_set_master+0x137/0x1b0 [ 2.682481] do_setlink.constprop.0+0x31f/0x1170 [ 2.682517] ? __nla_validate_parse+0x5d/0xe70 [ 2.682552] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.682598] rtnl_newlink+0x7fa/0xc00 [ 2.682626] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.682664] ? __rtnl_unlock+0x37/0x60 [ 2.682692] ? netdev_run_todo+0x63/0x550 [ 2.682720] ? rtnl_setlink+0x2c0/0x2c0 [ 2.682748] rtnetlink_rcv_msg+0x358/0x400 [ 2.682776] ? get_page_from_freelist+0x15b4/0x1770 [ 2.682811] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.682846] netlink_rcv_skb+0x57/0x100 [ 2.682879] netlink_unicast+0x252/0x380 [ 2.682906] ? __alloc_skb+0xfc/0x1e0 [ 2.682933] netlink_sendmsg+0x1be/0x3e0 [ 2.682962] ____sys_sendmsg+0x132/0x260 [ 2.682994] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.683029] ___sys_sendmsg+0x87/0xd0 [ 2.683058] ? ___sys_recvmsg+0x87/0xc0 [ 2.683085] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.683123] ? fsnotify_grab_connector+0x48/0x80 [ 2.683161] ? fsnotify_destroy_marks+0x29/0x150 [ 2.683197] __sys_sendmsg+0x71/0xd0 [ 2.683225] do_syscall_64+0xa4/0xfd0 [ 2.683259] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.683294] RIP: 0033:0x7f34072d71d7 [ 2.683324] 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 [ 2.683433] RSP: 002b:00007ffcf44fb9e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.683483] RAX: ffffffffffffffda RBX: 00007ffcf44fc120 RCX: 00007f34072d71d7 [ 2.683533] RDX: 0000000000000000 RSI: 00007ffcf44fba50 RDI: 0000000000000005 [ 2.683583] RBP: 0000000000000004 R08: 0000000000000003 R09: 0000000000000000 [ 2.683633] R10: 000000003f33e910 R11: 0000000000000246 R12: 0000000000000004 [ 2.683683] R13: 00000000691ccf6f R14: 0000000000499600 R15: 0000000000000000 [ 2.683734] [ 2.683753] Modules linked in: [ 2.683783] CR2: 0000000000000000 [ 2.683810] ---[ end trace 0000000000000000 ]--- [ 2.683845] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.683886] 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 [ 2.683996] RSP: 0018:ffffac5a406ef628 EFLAGS: 00010046 [ 2.684032] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.684082] RDX: ffffac5a406ef660 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.684132] RBP: ffffac5a406ef660 R08: ffff92aa4139e473 R09: 0000000000000002 [ 2.684177] R10: ffff92aa7ed28840 R11: ffff92aa4139dc90 R12: 0000000000000000 [ 2.684226] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.684279] FS: 00007f3407109800(0000) GS:ffff92aad6891000(0000) knlGS:0000000000000000 [ 2.684332] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.684374] CR2: 0000000000000000 CR3: 00000000031d8002 CR4: 0000000000772ef0 [ 2.684424] PKRU: 55555554 [ 2.684444] note: ip[298] exited with irqs disabled [ 2.684700] ip (298) used greatest stack depth: 11448 bytes left [ 2.714725] Initializing XFRM netlink socket WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr