[ 2.084987] ip (263) used greatest stack depth: 12440 bytes left [ 2.150690] br: port 1(d1) entered blocking state [ 2.150761] br: port 1(d1) entered disabled state [ 2.150829] d1: entered allmulticast mode [ 2.150912] d1: entered promiscuous mode [ 2.150961] br: port 1(d1) entered blocking state [ 2.151008] br: port 1(d1) entered forwarding state [ 2.222560] br: port 2(d2) entered blocking state [ 2.222624] br: port 2(d2) entered disabled state [ 2.222680] d2: entered allmulticast mode [ 2.222751] d2: entered promiscuous mode [ 2.222791] br: port 2(d2) entered blocking state [ 2.222828] br: port 2(d2) entered forwarding state [ 2.235519] ip (319) used greatest stack depth: 12408 bytes left [ 2.297109] br: port 3(d3) entered blocking state [ 2.297166] br: port 3(d3) entered disabled state [ 2.297226] d3: entered allmulticast mode [ 2.297297] d3: entered promiscuous mode [ 2.297344] br: port 3(d3) entered blocking state [ 2.297384] br: port 3(d3) entered forwarding state [ 2.519886] ip (430) used greatest stack depth: 12344 bytes left [ 2.550468] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 2.550538] #PF: supervisor write access in kernel mode [ 2.550578] #PF: error_code(0x0002) - not-present page [ 2.550621] PGD 6dae067 P4D 6dae067 PUD 6de9067 PMD 0 [ 2.550667] Oops: Oops: 0002 [#1] SMP [ 2.550700] CPU: 0 UID: 0 PID: 437 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 2.550771] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 2.550817] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.550863] 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 [ 2.550979] RSP: 0018:ffffad0b005ff6b8 EFLAGS: 00010046 [ 2.551017] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.551070] RDX: ffffad0b005ff6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.551115] RBP: ffffad0b005ff6f0 R08: ffff8f144139b673 R09: 0000000000000002 [ 2.551174] R10: ffff8f147ec28840 R11: ffff8f144139ae90 R12: 0000000000000000 [ 2.551229] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.551277] FS: 00007efcab806800(0000) GS:ffff8f14f9391000(0000) knlGS:0000000000000000 [ 2.551333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.551378] CR2: 0000000000000000 CR3: 0000000006c55004 CR4: 0000000000772ef0 [ 2.551426] PKRU: 55555554 [ 2.551447] Call Trace: [ 2.551471] [ 2.551494] __cancel_work+0x29/0xe0 [ 2.551523] ? linkwatch_urgent_event+0x2f/0xb0 [ 2.551566] __cancel_work_sync+0x16/0x80 [ 2.551601] __dev_close_many+0x113/0x2b0 [ 2.551639] __dev_change_flags+0xed/0x220 [ 2.551672] netif_change_flags+0x25/0x60 [ 2.551706] do_setlink.constprop.0+0x2fd/0x1170 [ 2.551748] ? __nla_validate_parse+0x5d/0xe70 [ 2.551789] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 2.551835] rtnl_newlink+0x7fa/0xc00 [ 2.551865] ? virtio_fs_enqueue_req+0x352/0x570 [ 2.551905] ? netdev_run_todo+0x63/0x550 [ 2.551934] ? rtnl_setlink+0x2c0/0x2c0 [ 2.551957] rtnetlink_rcv_msg+0x358/0x400 [ 2.551991] ? get_page_from_freelist+0x15b4/0x1770 [ 2.552032] ? rtnl_calcit.isra.0+0x110/0x110 [ 2.552069] netlink_rcv_skb+0x57/0x100 [ 2.552104] netlink_unicast+0x252/0x380 [ 2.552133] ? __alloc_skb+0xfc/0x1e0 [ 2.552164] netlink_sendmsg+0x1be/0x3e0 [ 2.552195] ____sys_sendmsg+0x132/0x260 [ 2.552226] ? copy_msghdr_from_user+0x6c/0xa0 [ 2.552264] ___sys_sendmsg+0x87/0xd0 [ 2.552295] ? do_wp_page+0x369/0xe90 [ 2.552327] ? ___pte_offset_map+0x1b/0xd0 [ 2.552357] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 2.552396] ? fsnotify_grab_connector+0x48/0x80 [ 2.552435] ? fsnotify_destroy_marks+0x29/0x150 [ 2.552475] __sys_sendmsg+0x71/0xd0 [ 2.552506] do_syscall_64+0xa4/0xfd0 [ 2.552541] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 2.552583] RIP: 0033:0x7efcab9d41d7 [ 2.552615] 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 [ 2.552737] RSP: 002b:00007ffe8e642bf8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 2.552797] RAX: ffffffffffffffda RBX: 00007ffe8e643320 RCX: 00007efcab9d41d7 [ 2.552853] RDX: 0000000000000000 RSI: 00007ffe8e642c60 RDI: 0000000000000005 [ 2.552910] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 2.552964] R10: 00007efcab8d0f60 R11: 0000000000000246 R12: 0000000000000003 [ 2.553018] R13: 00000000691cc869 R14: 0000000000499600 R15: 0000000000000000 [ 2.553065] [ 2.553087] Modules linked in: [ 2.553112] CR2: 0000000000000000 [ 2.553142] ---[ end trace 0000000000000000 ]--- [ 2.553179] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 2.553222] 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 [ 2.553337] RSP: 0018:ffffad0b005ff6b8 EFLAGS: 00010046 [ 2.553374] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000800 [ 2.553420] RDX: ffffad0b005ff6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 2.553466] RBP: ffffad0b005ff6f0 R08: ffff8f144139b673 R09: 0000000000000002 [ 2.553518] R10: ffff8f147ec28840 R11: ffff8f144139ae90 R12: 0000000000000000 [ 2.553572] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 2.553632] FS: 00007efcab806800(0000) GS:ffff8f14f9391000(0000) knlGS:0000000000000000 [ 2.553687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2.553730] CR2: 0000000000000000 CR3: 0000000006c55004 CR4: 0000000000772ef0 [ 2.553778] PKRU: 55555554 [ 2.553802] note: ip[437] exited with irqs disabled [ 2.553987] ip (437) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr