[ 2.433332] br0: port 1(veth1) entered blocking state [ 2.433465] br0: port 1(veth1) entered disabled state [ 2.433551] veth1: entered allmulticast mode [ 2.433675] veth1: entered promiscuous mode [ 2.442081] br0: port 2(veth2) entered blocking state [ 2.442158] br0: port 2(veth2) entered disabled state [ 2.442261] veth2: entered allmulticast mode [ 2.442354] veth2: entered promiscuous mode [ 2.451745] br0: port 3(veth4) entered blocking state [ 2.451814] br0: port 3(veth4) entered disabled state [ 2.451872] veth4: entered allmulticast mode [ 2.451969] veth4: entered promiscuous mode [ 2.528425] br0: port 1(veth1) entered blocking state [ 2.528497] br0: port 1(veth1) entered forwarding state [ 2.539206] br0: port 2(veth2) entered blocking state [ 2.539302] br0: port 2(veth2) entered forwarding state [ 2.549742] br0: port 3(veth4) entered blocking state [ 2.549811] br0: port 3(veth4) entered forwarding state [ 15.873673] veth3: entered promiscuous mode [ 15.937489] GACT probability NOT on [ 15.938652] tc (379) used greatest stack depth: 11840 bytes left [ 17.043279] veth3: left promiscuous mode [ 17.053309] veth3: entered promiscuous mode [ 18.179568] veth3: left promiscuous mode [ 18.198318] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 18.198401] #PF: supervisor write access in kernel mode [ 18.198443] #PF: error_code(0x0002) - not-present page [ 18.198486] PGD 5678067 P4D 5678067 PUD 2f74067 PMD 0 [ 18.198528] Oops: Oops: 0002 [#1] SMP [ 18.198564] CPU: 0 UID: 0 PID: 407 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 18.198639] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.198693] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.198752] 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 [ 18.198879] RSP: 0018:ffffb184403236b8 EFLAGS: 00010046 [ 18.198924] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.198990] RDX: ffffb184403236f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.199055] RBP: ffffb184403236f0 R08: ffff9d5e41393673 R09: ffffffffa306cc80 [ 18.199115] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.199170] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.199232] FS: 00007fd315682800(0000) GS:ffff9d5edb3da000(0000) knlGS:0000000000000000 [ 18.199299] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.199351] CR2: 0000000000000000 CR3: 000000000355b006 CR4: 0000000000772ef0 [ 18.199406] PKRU: 55555554 [ 18.199429] Call Trace: [ 18.199459] [ 18.199492] __cancel_work+0x29/0xe0 [ 18.199530] ? linkwatch_urgent_event+0x2f/0xb0 [ 18.199577] __cancel_work_sync+0x16/0x80 [ 18.199610] __dev_close_many+0x11b/0x280 [ 18.199651] __dev_change_flags+0xed/0x220 [ 18.199691] netif_change_flags+0x25/0x60 [ 18.199724] do_setlink.constprop.0+0x2fe/0x1120 [ 18.199778] ? __nla_validate_parse+0x5d/0xe70 [ 18.199828] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 18.199878] rtnl_newlink+0x7fa/0xbc0 [ 18.199911] ? virtio_fs_enqueue_req+0x352/0x570 [ 18.199967] ? netdev_run_todo+0x63/0x550 [ 18.200002] ? rtnl_setlink+0x2c0/0x2c0 [ 18.200037] rtnetlink_rcv_msg+0x358/0x400 [ 18.200073] ? get_page_from_freelist+0x15b4/0x1770 [ 18.200120] ? rtnl_calcit.isra.0+0x110/0x110 [ 18.200163] netlink_rcv_skb+0x57/0x100 [ 18.200199] netlink_unicast+0x252/0x380 [ 18.200235] ? __alloc_skb+0xfc/0x1e0 [ 18.200269] netlink_sendmsg+0x1be/0x3e0 [ 18.200297] ____sys_sendmsg+0x132/0x260 [ 18.200335] ? copy_msghdr_from_user+0x6c/0xa0 [ 18.200380] ___sys_sendmsg+0x87/0xd0 [ 18.200415] ? do_wp_page+0x369/0xe90 [ 18.200452] ? ___pte_offset_map+0x1b/0xd0 [ 18.200487] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 18.200529] ? fsnotify_grab_connector+0x48/0x80 [ 18.200571] ? fsnotify_destroy_marks+0x29/0x150 [ 18.200615] __sys_sendmsg+0x71/0xd0 [ 18.200648] do_syscall_64+0xa4/0xfd0 [ 18.200690] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 18.200738] RIP: 0033:0x7fd3158501d7 [ 18.200770] 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 [ 18.200903] RSP: 002b:00007ffc5134a778 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 18.200970] RAX: ffffffffffffffda RBX: 00007ffc5134aea0 RCX: 00007fd3158501d7 [ 18.201032] RDX: 0000000000000000 RSI: 00007ffc5134a7e0 RDI: 0000000000000005 [ 18.201092] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 18.201153] R10: 00007fd31574cf60 R11: 0000000000000246 R12: 0000000000000003 [ 18.201215] R13: 00000000691cd6b6 R14: 0000000000499600 R15: 0000000000000000 [ 18.201271] [ 18.201288] Modules linked in: act_gact cls_flower sch_ingress bridge stp llc vrf veth [ 18.201359] CR2: 0000000000000000 [ 18.201390] ---[ end trace 0000000000000000 ]--- [ 18.201433] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 18.201475] 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 [ 18.201611] RSP: 0018:ffffb184403236b8 EFLAGS: 00010046 [ 18.201653] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 18.201707] RDX: ffffb184403236f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 18.201774] RBP: ffffb184403236f0 R08: ffff9d5e41393673 R09: ffffffffa306cc80 [ 18.201837] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 18.201891] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 18.201955] FS: 00007fd315682800(0000) GS:ffff9d5edb3da000(0000) knlGS:0000000000000000 [ 18.202014] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.202065] CR2: 0000000000000000 CR3: 000000000355b006 CR4: 0000000000772ef0 [ 18.202126] PKRU: 55555554 [ 18.202151] note: ip[407] exited with irqs disabled [ 18.202367] ip (407) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr