[ 2.152526] ip (258) used greatest stack depth: 11912 bytes left [ 7.854332] GACT probability NOT on [ 7.855628] tc (336) used greatest stack depth: 11840 bytes left [ 10.142651] Mirror/redirect action on [ 15.973276] tc (1796) used greatest stack depth: 11752 bytes left [ 113.187137] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 113.187260] #PF: supervisor write access in kernel mode [ 113.187312] #PF: error_code(0x0002) - not-present page [ 113.187366] PGD 4d72067 P4D 4d72067 PUD 4c2f067 PMD 0 [ 113.187443] Oops: Oops: 0002 [#1] SMP [ 113.187493] CPU: 3 UID: 0 PID: 1872 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 113.187594] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 113.187671] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 113.187749] 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 [ 113.187954] RSP: 0018:ffffb563c03eb6b8 EFLAGS: 00010046 [ 113.188019] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 113.188110] RDX: ffffb563c03eb6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 113.188206] RBP: ffffb563c03eb6f0 R08: ffff90e1833c9f73 R09: ffffffff9146cc80 [ 113.188290] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 113.188370] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 113.188461] FS: 00007f0b4c861800(0000) GS:ffff90e22d15a000(0000) knlGS:0000000000000000 [ 113.188552] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.188619] CR2: 0000000000000000 CR3: 0000000001ca1006 CR4: 0000000000772ef0 [ 113.188706] PKRU: 55555554 [ 113.188732] Call Trace: [ 113.188770] [ 113.188802] __cancel_work+0x29/0xe0 [ 113.188861] ? linkwatch_urgent_event+0x2f/0xb0 [ 113.188924] __cancel_work_sync+0x16/0x80 [ 113.188965] __dev_close_many+0x11b/0x280 [ 113.189038] __dev_change_flags+0xed/0x220 [ 113.189087] netif_change_flags+0x25/0x60 [ 113.189135] do_setlink.constprop.0+0x2fe/0x1120 [ 113.189198] ? __nla_validate_parse+0x5d/0xe70 [ 113.189270] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 113.189336] rtnl_newlink+0x7fa/0xbc0 [ 113.189376] ? virtio_fs_enqueue_req+0x352/0x570 [ 113.189446] ? netdev_run_todo+0x63/0x550 [ 113.189495] ? rtnl_setlink+0x2c0/0x2c0 [ 113.189543] rtnetlink_rcv_msg+0x358/0x400 [ 113.189584] ? get_page_from_freelist+0x15b4/0x1770 [ 113.189656] ? rtnl_calcit.isra.0+0x110/0x110 [ 113.189708] netlink_rcv_skb+0x57/0x100 [ 113.189762] netlink_unicast+0x252/0x380 [ 113.189803] ? __alloc_skb+0xfc/0x1e0 [ 113.189866] netlink_sendmsg+0x1be/0x3e0 [ 113.189904] ____sys_sendmsg+0x132/0x260 [ 113.189970] ? copy_msghdr_from_user+0x6c/0xa0 [ 113.190030] ___sys_sendmsg+0x87/0xd0 [ 113.190072] ? do_wp_page+0x369/0xe90 [ 113.190137] ? ___pte_offset_map+0x1b/0xd0 [ 113.190189] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 113.190251] ? fsnotify_grab_connector+0x48/0x80 [ 113.190314] ? fsnotify_destroy_marks+0x29/0x150 [ 113.190366] __sys_sendmsg+0x71/0xd0 [ 113.190408] do_syscall_64+0xa4/0xfd0 [ 113.190459] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 113.190525] RIP: 0033:0x7f0b4ca2f1d7 [ 113.190572] 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 [ 113.190773] RSP: 002b:00007fffac077438 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 113.190856] RAX: ffffffffffffffda RBX: 00007fffac077b60 RCX: 00007f0b4ca2f1d7 [ 113.190952] RDX: 0000000000000000 RSI: 00007fffac0774a0 RDI: 0000000000000005 [ 113.191034] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 113.191124] R10: 00007f0b4c92bf60 R11: 0000000000000246 R12: 0000000000000003 [ 113.191204] R13: 00000000691cbc23 R14: 0000000000499600 R15: 0000000000000000 [ 113.191287] [ 113.191314] Modules linked in: act_vlan act_skbedit act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_mirred act_gact cls_flower sch_ingress vrf veth [ 113.191503] CR2: 0000000000000000 [ 113.191557] ---[ end trace 0000000000000000 ]--- [ 113.191612] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 113.191675] 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 [ 113.191878] RSP: 0018:ffffb563c03eb6b8 EFLAGS: 00010046 [ 113.191946] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 113.192029] RDX: ffffb563c03eb6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 113.192109] RBP: ffffb563c03eb6f0 R08: ffff90e1833c9f73 R09: ffffffff9146cc80 [ 113.192199] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 113.192279] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 113.192362] FS: 00007f0b4c861800(0000) GS:ffff90e22d15a000(0000) knlGS:0000000000000000 [ 113.192451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.192515] CR2: 0000000000000000 CR3: 0000000001ca1006 CR4: 0000000000772ef0 [ 113.192596] PKRU: 55555554 [ 113.192622] note: ip[1872] exited with irqs disabled [ 113.192913] ip (1872) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr