[ 7.837184] tc (340) used greatest stack depth: 11816 bytes left [ 7.865491] GACT probability NOT on [ 48.727351] Mirror/redirect action on [ 111.028855] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 111.028942] #PF: supervisor write access in kernel mode [ 111.028987] #PF: error_code(0x0002) - not-present page [ 111.029026] PGD 4b50067 P4D 4b50067 PUD 4970067 PMD 0 [ 111.029073] Oops: Oops: 0002 [#1] SMP [ 111.029110] CPU: 2 UID: 0 PID: 924 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 111.029184] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 111.029233] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 111.029287] 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 [ 111.029431] RSP: 0018:ffffb3d540b376b8 EFLAGS: 00010046 [ 111.029477] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 111.029542] RDX: ffffb3d540b376f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 111.029601] RBP: ffffb3d540b376f0 R08: ffff95ab44843673 R09: ffffffffbc46cc80 [ 111.029662] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 111.029722] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 111.029791] FS: 00007f50d186a800(0000) GS:ffff95abc20da000(0000) knlGS:0000000000000000 [ 111.029856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.029911] CR2: 0000000000000000 CR3: 0000000004a3a001 CR4: 0000000000772ef0 [ 111.029972] PKRU: 55555554 [ 111.029997] Call Trace: [ 111.030021] [ 111.030047] __cancel_work+0x29/0xe0 [ 111.030087] ? linkwatch_urgent_event+0x2f/0xb0 [ 111.030132] __cancel_work_sync+0x16/0x80 [ 111.030169] __dev_close_many+0x11b/0x280 [ 111.030209] __dev_change_flags+0xed/0x220 [ 111.030249] netif_change_flags+0x25/0x60 [ 111.030286] do_setlink.constprop.0+0x2fe/0x1120 [ 111.030332] ? __nla_validate_parse+0x5d/0xe70 [ 111.030383] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 111.030434] rtnl_newlink+0x7fa/0xbc0 [ 111.030471] ? virtio_fs_enqueue_req+0x352/0x570 [ 111.030520] ? netdev_run_todo+0x63/0x550 [ 111.030557] ? rtnl_setlink+0x2c0/0x2c0 [ 111.030593] rtnetlink_rcv_msg+0x358/0x400 [ 111.030629] ? get_page_from_freelist+0x15b4/0x1770 [ 111.030675] ? rtnl_calcit.isra.0+0x110/0x110 [ 111.030721] netlink_rcv_skb+0x57/0x100 [ 111.030758] netlink_unicast+0x252/0x380 [ 111.030793] ? __alloc_skb+0xfc/0x1e0 [ 111.030830] netlink_sendmsg+0x1be/0x3e0 [ 111.030866] ____sys_sendmsg+0x132/0x260 [ 111.030903] ? copy_msghdr_from_user+0x6c/0xa0 [ 111.030949] ___sys_sendmsg+0x87/0xd0 [ 111.030985] ? do_wp_page+0x369/0xe90 [ 111.031021] ? ___pte_offset_map+0x1b/0xd0 [ 111.031059] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 111.031105] ? fsnotify_grab_connector+0x48/0x80 [ 111.031157] ? fsnotify_destroy_marks+0x29/0x150 [ 111.031204] __sys_sendmsg+0x71/0xd0 [ 111.031241] do_syscall_64+0xa4/0xfd0 [ 111.031280] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 111.031329] RIP: 0033:0x7f50d1a381d7 [ 111.031364] 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 [ 111.031508] RSP: 002b:00007ffe8d5adf68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 111.031574] RAX: ffffffffffffffda RBX: 00007ffe8d5ae690 RCX: 00007f50d1a381d7 [ 111.031634] RDX: 0000000000000000 RSI: 00007ffe8d5adfd0 RDI: 0000000000000005 [ 111.031693] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 111.031752] R10: 00007f50d1934f60 R11: 0000000000000246 R12: 0000000000000003 [ 111.031811] R13: 00000000691cbd3e R14: 0000000000499600 R15: 0000000000000000 [ 111.031872] [ 111.031897] Modules linked in: act_mirred act_gact act_police cls_flower sch_ingress vrf veth [ 111.031980] CR2: 0000000000000000 [ 111.032016] ---[ end trace 0000000000000000 ]--- [ 111.032056] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 111.032102] 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 [ 111.032249] RSP: 0018:ffffb3d540b376b8 EFLAGS: 00010046 [ 111.032312] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 111.032377] RDX: ffffb3d540b376f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 111.032443] RBP: ffffb3d540b376f0 R08: ffff95ab44843673 R09: ffffffffbc46cc80 [ 111.032501] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 111.032560] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 111.032621] FS: 00007f50d186a800(0000) GS:ffff95abc20da000(0000) knlGS:0000000000000000 [ 111.032686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 111.032741] CR2: 0000000000000000 CR3: 0000000004a3a001 CR4: 0000000000772ef0 [ 111.032802] PKRU: 55555554 [ 111.032827] note: ip[924] exited with irqs disabled [ 111.033087] ip (924) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr