[ 2.013827] ip (255) used greatest stack depth: 11928 bytes left [ 2.400189] br1: port 1(veth1) entered blocking state [ 2.400300] br1: port 1(veth1) entered disabled state [ 2.400379] veth1: entered allmulticast mode [ 2.400551] veth1: entered promiscuous mode [ 2.411204] br1: port 1(veth1) entered blocking state [ 2.411274] br1: port 1(veth1) entered forwarding state [ 9.545463] veth1: left allmulticast mode [ 9.545529] veth1: left promiscuous mode [ 9.545680] br1: port 1(veth1) entered disabled state [ 11.563113] br1: port 1(veth1) entered blocking state [ 11.563183] br1: port 1(veth1) entered disabled state [ 11.563239] veth1: entered allmulticast mode [ 11.563331] veth1: entered promiscuous mode [ 11.563370] br1: port 1(veth1) entered blocking state [ 11.563409] br1: port 1(veth1) entered forwarding state [ 29.687881] veth1: left allmulticast mode [ 29.687976] veth1: left promiscuous mode [ 29.688035] br1: port 1(veth1) entered disabled state [ 31.719660] br1: port 1(veth1) entered blocking state [ 31.719761] br1: port 1(veth1) entered disabled state [ 31.719838] veth1: entered allmulticast mode [ 31.719941] veth1: entered promiscuous mode [ 31.720005] br1: port 1(veth1) entered blocking state [ 31.720064] br1: port 1(veth1) entered forwarding state [ 33.747897] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 33.747970] #PF: supervisor write access in kernel mode [ 33.748022] #PF: error_code(0x0002) - not-present page [ 33.748060] PGD 7752067 P4D 7752067 PUD 765d067 PMD 0 [ 33.748107] Oops: Oops: 0002 [#1] SMP [ 33.748142] CPU: 3 UID: 0 PID: 501 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 33.748235] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 33.748283] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 33.748344] 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 [ 33.748472] RSP: 0018:ffffb30500a736b8 EFLAGS: 00010046 [ 33.748510] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 33.748562] RDX: ffffb30500a736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.748621] RBP: ffffb30500a736f0 R08: ffff913244d08873 R09: ffffffff83c6cc80 [ 33.748682] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.748738] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 33.748797] FS: 00007f3a5ea73800(0000) GS:ffff9132fa95a000(0000) knlGS:0000000000000000 [ 33.748859] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.748910] CR2: 0000000000000000 CR3: 0000000007677001 CR4: 0000000000772ef0 [ 33.748969] PKRU: 55555554 [ 33.748986] Call Trace: [ 33.749011] [ 33.749040] __cancel_work+0x29/0xe0 [ 33.749077] ? linkwatch_urgent_event+0x2f/0xb0 [ 33.749125] __cancel_work_sync+0x16/0x80 [ 33.749157] __dev_close_many+0x11b/0x280 [ 33.749205] __dev_change_flags+0xed/0x220 [ 33.749245] netif_change_flags+0x25/0x60 [ 33.749272] do_setlink.constprop.0+0x2fe/0x1120 [ 33.749312] ? __nla_validate_parse+0x5d/0xe70 [ 33.749369] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 33.749421] rtnl_newlink+0x7fa/0xbc0 [ 33.749456] ? virtio_fs_enqueue_req+0x352/0x570 [ 33.749508] ? netdev_run_todo+0x63/0x550 [ 33.749534] ? rtnl_setlink+0x2c0/0x2c0 [ 33.749564] rtnetlink_rcv_msg+0x358/0x400 [ 33.749594] ? get_page_from_freelist+0x15b4/0x1770 [ 33.749637] ? rtnl_calcit.isra.0+0x110/0x110 [ 33.749680] netlink_rcv_skb+0x57/0x100 [ 33.749718] netlink_unicast+0x252/0x380 [ 33.749750] ? __alloc_skb+0xfc/0x1e0 [ 33.749787] netlink_sendmsg+0x1be/0x3e0 [ 33.749815] ____sys_sendmsg+0x132/0x260 [ 33.749850] ? copy_msghdr_from_user+0x6c/0xa0 [ 33.749891] ___sys_sendmsg+0x87/0xd0 [ 33.749927] ? do_wp_page+0x369/0xe90 [ 33.749961] ? ___pte_offset_map+0x1b/0xd0 [ 33.749995] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 33.750039] ? fsnotify_grab_connector+0x48/0x80 [ 33.750083] ? fsnotify_destroy_marks+0x29/0x150 [ 33.750133] __sys_sendmsg+0x71/0xd0 [ 33.750163] do_syscall_64+0xa4/0xfd0 [ 33.750216] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 33.750263] RIP: 0033:0x7f3a5ec411d7 [ 33.750297] 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 [ 33.750451] RSP: 002b:00007ffd9bf3b9c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 33.750518] RAX: ffffffffffffffda RBX: 00007ffd9bf3c0f0 RCX: 00007f3a5ec411d7 [ 33.750575] RDX: 0000000000000000 RSI: 00007ffd9bf3ba30 RDI: 0000000000000005 [ 33.750633] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 33.750689] R10: 00007f3a5eb3df60 R11: 0000000000000246 R12: 0000000000000003 [ 33.750745] R13: 00000000691cd4af R14: 0000000000499600 R15: 0000000000000000 [ 33.750807] [ 33.750826] Modules linked in: bridge stp llc vrf veth [ 33.750877] CR2: 0000000000000000 [ 33.750910] ---[ end trace 0000000000000000 ]--- [ 33.750945] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 33.750990] 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 [ 33.751124] RSP: 0018:ffffb30500a736b8 EFLAGS: 00010046 [ 33.751162] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 33.751229] RDX: ffffb30500a736f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 33.751290] RBP: ffffb30500a736f0 R08: ffff913244d08873 R09: ffffffff83c6cc80 [ 33.751353] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 33.751410] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 33.751472] FS: 00007f3a5ea73800(0000) GS:ffff9132fa95a000(0000) knlGS:0000000000000000 [ 33.751531] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 33.751576] CR2: 0000000000000000 CR3: 0000000007677001 CR4: 0000000000772ef0 [ 33.751634] PKRU: 55555554 [ 33.751651] note: ip[501] exited with irqs disabled [ 33.751876] ip (501) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr