[ 1.820446] ip (230) used greatest stack depth: 12344 bytes left [ 1.899392] bond0: (slave eth0): making interface the new active one [ 1.899486] bond0: (slave eth0): Enslaving as an active interface with an up link [ 1.899987] ip (236) used greatest stack depth: 12264 bytes left [ 6.074422] bond0: (slave eth0): Releasing backup interface [ 6.080639] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 6.080779] #PF: supervisor write access in kernel mode [ 6.080832] #PF: error_code(0x0002) - not-present page [ 6.080898] PGD 3038067 P4D 3038067 PUD 3039067 PMD 0 [ 6.080968] Oops: Oops: 0002 [#1] SMP [ 6.081021] CPU: 3 UID: 0 PID: 241 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 6.081124] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 6.081192] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 6.081267] 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 [ 6.081463] RSP: 0018:ffffbc6cc039b588 EFLAGS: 00010046 [ 6.081520] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000fffb7aa9 [ 6.081600] RDX: ffffbc6cc039b5c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 6.081683] RBP: ffffbc6cc039b5c0 R08: ffffffffbde88290 R09: 0000000000000101 [ 6.081775] R10: ffffffffbe6080d8 R11: ffffbc6cc013cff8 R12: 0000000000000000 [ 6.081858] R13: ffffbc6cc039b6a0 R14: 0000000000000020 R15: ffff9f1fc4c30118 [ 6.081947] FS: 00007fcaf3bec800(0000) GS:ffff9f203ff37000(0000) knlGS:0000000000000000 [ 6.082037] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.082105] CR2: 0000000000000000 CR3: 0000000003042005 CR4: 0000000000772ef0 [ 6.082196] PKRU: 55555554 [ 6.082222] Call Trace: [ 6.082253] [ 6.082290] __cancel_work+0x29/0xe0 [ 6.082337] ? linkwatch_urgent_event+0x2f/0xb0 [ 6.082399] __cancel_work_sync+0x16/0x80 [ 6.082442] __dev_close_many+0x113/0x2b0 [ 6.082493] netif_close_many+0x98/0x160 [ 6.082539] ? netdev_compute_master_upper_features+0x2ca/0x350 [ 6.082608] netif_close+0x64/0x80 [ 6.082649] dev_close+0x2a/0x80 [ 6.082692] __bond_release_one+0x2c8/0x770 [ 6.082747] ? skb_queue_tail+0x1f/0x50 [ 6.082796] ? sock_def_readable+0x14/0xc0 [ 6.082838] ? __netlink_sendskb+0x62/0x80 [ 6.082888] ? netlink_unicast+0x32d/0x380 [ 6.082937] do_set_master+0xb2/0x1b0 [ 6.082987] do_setlink.constprop.0+0x31f/0x1170 [ 6.083050] ? __nla_validate_parse+0x5d/0xe70 [ 6.083122] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 6.083186] rtnl_newlink+0x7fa/0xc00 [ 6.083228] ? virtio_fs_enqueue_req+0x352/0x570 [ 6.083295] ? netdev_run_todo+0x63/0x550 [ 6.083337] ? rtnl_setlink+0x2c0/0x2c0 [ 6.083386] rtnetlink_rcv_msg+0x358/0x400 [ 6.083429] ? get_page_from_freelist+0x15b4/0x1770 [ 6.083492] ? rtnl_calcit.isra.0+0x110/0x110 [ 6.083551] netlink_rcv_skb+0x57/0x100 [ 6.083600] netlink_unicast+0x252/0x380 [ 6.083641] ? __alloc_skb+0xfc/0x1e0 [ 6.083684] netlink_sendmsg+0x1be/0x3e0 [ 6.083736] ____sys_sendmsg+0x132/0x260 [ 6.083785] ? copy_msghdr_from_user+0x6c/0xa0 [ 6.083840] ___sys_sendmsg+0x87/0xd0 [ 6.083882] ? do_wp_page+0x369/0xe90 [ 6.083931] ? ___pte_offset_map+0x1b/0xd0 [ 6.083982] ? __handle_mm_fault+0x4e6/0xe50 [ 6.084043] ? fsnotify_grab_connector+0x48/0x80 [ 6.084107] ? fsnotify_destroy_marks+0x29/0x150 [ 6.084170] __sys_sendmsg+0x71/0xd0 [ 6.084219] do_syscall_64+0xa4/0xfd0 [ 6.084270] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 6.084333] RIP: 0033:0x7fcaf3dba1d7 [ 6.084374] 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 [ 6.084578] RSP: 002b:00007ffd781edc28 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 6.084658] RAX: ffffffffffffffda RBX: 00007ffd781ee350 RCX: 00007fcaf3dba1d7 [ 6.084737] RDX: 0000000000000000 RSI: 00007ffd781edc90 RDI: 0000000000000005 [ 6.084819] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 6.084904] R10: 00007fcaf3cb6f60 R11: 0000000000000246 R12: 0000000000000003 [ 6.084989] R13: 00000000691cbdd9 R14: 0000000000499600 R15: 0000000000000000 [ 6.085075] [ 6.085103] Modules linked in: [ 6.085145] CR2: 0000000000000000 [ 6.085186] ---[ end trace 0000000000000000 ]--- [ 6.085240] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 6.085303] 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 [ 6.085496] RSP: 0018:ffffbc6cc039b588 EFLAGS: 00010046 [ 6.085551] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 00000000fffb7aa9 [ 6.085633] RDX: ffffbc6cc039b5c0 RSI: 0000000000000000 RDI: 0000000000000000 [ 6.085718] RBP: ffffbc6cc039b5c0 R08: ffffffffbde88290 R09: 0000000000000101 [ 6.085800] R10: ffffffffbe6080d8 R11: ffffbc6cc013cff8 R12: 0000000000000000 [ 6.085875] R13: ffffbc6cc039b6a0 R14: 0000000000000020 R15: ffff9f1fc4c30118 [ 6.085982] FS: 00007fcaf3bec800(0000) GS:ffff9f203ff37000(0000) knlGS:0000000000000000 [ 6.086069] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6.086137] CR2: 0000000000000000 CR3: 0000000003042005 CR4: 0000000000772ef0 [ 6.086221] PKRU: 55555554 [ 6.086248] note: ip[241] exited with irqs disabled [ 6.086652] ip (241) used greatest stack depth: 11288 bytes left