[ 1.979296] ip (256) used greatest stack depth: 12312 bytes left [ 2.216026] 8021q: 802.1Q VLAN Support v1.8 [ 2.567750] br0: port 1(veth1) entered blocking state [ 2.567824] br0: port 1(veth1) entered disabled state [ 2.567892] veth1: entered allmulticast mode [ 2.568001] veth1: entered promiscuous mode [ 2.578873] br0: port 1(veth1) entered blocking state [ 2.578955] br0: port 1(veth1) entered forwarding state [ 2.609821] br0: port 2(veth2) entered blocking state [ 2.609893] br0: port 2(veth2) entered disabled state [ 2.609961] veth2: entered allmulticast mode [ 2.610055] veth2: entered promiscuous mode [ 2.620393] br0: port 2(veth2) entered blocking state [ 2.620456] br0: port 2(veth2) entered forwarding state [ 8.303172] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 8.303254] #PF: supervisor write access in kernel mode [ 8.303311] #PF: error_code(0x0002) - not-present page [ 8.303356] PGD 7a2d067 P4D 7a2d067 PUD 1da1067 PMD 0 [ 8.303410] Oops: Oops: 0002 [#1] SMP [ 8.303453] CPU: 3 UID: 0 PID: 396 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 8.303536] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 8.303595] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.303659] 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 [ 8.303818] RSP: 0018:ffffb2264089f6b8 EFLAGS: 00010046 [ 8.303870] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 8.303945] RDX: ffffb2264089f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.304010] RBP: ffffb2264089f6f0 R08: ffff9d06c560e473 R09: ffffffff8b26cc80 [ 8.304076] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 8.304148] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.304222] FS: 00007f1992fa2800(0000) GS:ffff9d077335a000(0000) knlGS:0000000000000000 [ 8.304293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.304351] CR2: 0000000000000000 CR3: 0000000007e90004 CR4: 0000000000772ef0 [ 8.304418] PKRU: 55555554 [ 8.304445] Call Trace: [ 8.304470] [ 8.304500] __cancel_work+0x29/0xe0 [ 8.304540] ? linkwatch_urgent_event+0x2f/0xb0 [ 8.304591] __cancel_work_sync+0x16/0x80 [ 8.304633] __dev_close_many+0x11b/0x280 [ 8.304678] __dev_change_flags+0xed/0x220 [ 8.304718] netif_change_flags+0x25/0x60 [ 8.304757] do_setlink.constprop.0+0x2fe/0x1120 [ 8.304814] ? __nla_validate_parse+0x5d/0xe70 [ 8.304869] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 8.304924] rtnl_newlink+0x7fa/0xbc0 [ 8.304963] ? virtio_fs_enqueue_req+0x352/0x570 [ 8.305018] ? netdev_run_todo+0x63/0x550 [ 8.305056] ? rtnl_setlink+0x2c0/0x2c0 [ 8.305097] rtnetlink_rcv_msg+0x358/0x400 [ 8.305137] ? get_page_from_freelist+0x15b4/0x1770 [ 8.305188] ? rtnl_calcit.isra.0+0x110/0x110 [ 8.305239] netlink_rcv_skb+0x57/0x100 [ 8.305280] netlink_unicast+0x252/0x380 [ 8.305318] ? __alloc_skb+0xfc/0x1e0 [ 8.305358] netlink_sendmsg+0x1be/0x3e0 [ 8.305398] ____sys_sendmsg+0x132/0x260 [ 8.305437] ? copy_msghdr_from_user+0x6c/0xa0 [ 8.305488] ___sys_sendmsg+0x87/0xd0 [ 8.305528] ? do_wp_page+0x369/0xe90 [ 8.305568] ? ___pte_offset_map+0x1b/0xd0 [ 8.305608] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 8.305665] ? fsnotify_grab_connector+0x48/0x80 [ 8.305711] ? fsnotify_destroy_marks+0x29/0x150 [ 8.305755] __sys_sendmsg+0x71/0xd0 [ 8.305796] do_syscall_64+0xa4/0xfd0 [ 8.305841] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 8.305892] RIP: 0033:0x7f19931701d7 [ 8.305930] 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 [ 8.306095] RSP: 002b:00007ffe19ddd388 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 8.306169] RAX: ffffffffffffffda RBX: 00007ffe19dddab0 RCX: 00007f19931701d7 [ 8.306234] RDX: 0000000000000000 RSI: 00007ffe19ddd3f0 RDI: 0000000000000005 [ 8.306300] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 8.306368] R10: 00007f199306cf60 R11: 0000000000000246 R12: 0000000000000003 [ 8.306436] R13: 00000000691cbbad R14: 0000000000499600 R15: 0000000000000000 [ 8.306507] [ 8.306533] Modules linked in: sch_ingress bridge stp llc 8021q vrf veth [ 8.306603] CR2: 0000000000000000 [ 8.306640] ---[ end trace 0000000000000000 ]--- [ 8.306691] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 8.306740] 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 [ 8.306902] RSP: 0018:ffffb2264089f6b8 EFLAGS: 00010046 [ 8.306951] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 8.307018] RDX: ffffb2264089f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 8.307086] RBP: ffffb2264089f6f0 R08: ffff9d06c560e473 R09: ffffffff8b26cc80 [ 8.307151] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 8.307219] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 8.307286] FS: 00007f1992fa2800(0000) GS:ffff9d077335a000(0000) knlGS:0000000000000000 [ 8.307364] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.307426] CR2: 0000000000000000 CR3: 0000000007e90004 CR4: 0000000000772ef0 [ 8.307495] PKRU: 55555554 [ 8.307522] note: ip[396] exited with irqs disabled [ 8.307800] ip (396) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr