[ 2.046563] ip (256) used greatest stack depth: 12424 bytes left [ 17.627135] ip (588) used greatest stack depth: 12408 bytes left [ 162.981360] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 162.981448] #PF: supervisor write access in kernel mode [ 162.981496] #PF: error_code(0x0002) - not-present page [ 162.981538] PGD 2da0067 P4D 2da0067 PUD 2ee8067 PMD 0 [ 162.981584] Oops: Oops: 0002 [#1] SMP [ 162.981628] CPU: 3 UID: 0 PID: 1957 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 162.981708] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.981753] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 162.981809] 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 [ 162.981944] RSP: 0018:ffffbc16c159f6b8 EFLAGS: 00010046 [ 162.981990] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 162.982047] RDX: ffffbc16c159f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 162.982106] RBP: ffffbc16c159f6f0 R08: ffff9b9901398873 R09: ffffffffac46cc80 [ 162.982166] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.982221] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 162.982281] FS: 00007fc01268d800(0000) GS:ffff9b999215a000(0000) knlGS:0000000000000000 [ 162.982344] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.982397] CR2: 0000000000000000 CR3: 0000000001b63003 CR4: 0000000000772ef0 [ 162.982451] PKRU: 55555554 [ 162.982473] Call Trace: [ 162.982496] [ 162.982527] __cancel_work+0x29/0xe0 [ 162.982564] ? linkwatch_urgent_event+0x2f/0xb0 [ 162.982609] __cancel_work_sync+0x16/0x80 [ 162.982644] __dev_close_many+0x11b/0x280 [ 162.982685] __dev_change_flags+0xed/0x220 [ 162.982723] netif_change_flags+0x25/0x60 [ 162.982756] do_setlink.constprop.0+0x2fe/0x1120 [ 162.982809] ? __nla_validate_parse+0x5d/0xe70 [ 162.982858] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 162.982953] rtnl_newlink+0x7fa/0xbc0 [ 162.982990] ? virtio_fs_enqueue_req+0x352/0x570 [ 162.983053] ? netdev_run_todo+0x63/0x550 [ 162.983088] ? rtnl_setlink+0x2c0/0x2c0 [ 162.983121] rtnetlink_rcv_msg+0x358/0x400 [ 162.983166] ? get_page_from_freelist+0x15b4/0x1770 [ 162.983223] ? rtnl_calcit.isra.0+0x110/0x110 [ 162.983269] netlink_rcv_skb+0x57/0x100 [ 162.983321] netlink_unicast+0x252/0x380 [ 162.983356] ? __alloc_skb+0xfc/0x1e0 [ 162.983392] netlink_sendmsg+0x1be/0x3e0 [ 162.983434] ____sys_sendmsg+0x132/0x260 [ 162.983479] ? copy_msghdr_from_user+0x6c/0xa0 [ 162.983522] ___sys_sendmsg+0x87/0xd0 [ 162.983555] ? do_wp_page+0x369/0xe90 [ 162.983601] ? ___pte_offset_map+0x1b/0xd0 [ 162.983636] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 162.983689] ? fsnotify_grab_connector+0x48/0x80 [ 162.983740] ? fsnotify_destroy_marks+0x29/0x150 [ 162.983783] __sys_sendmsg+0x71/0xd0 [ 162.983818] do_syscall_64+0xa4/0xfd0 [ 162.983859] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 162.983913] RIP: 0033:0x7fc01285b1d7 [ 162.983959] 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 [ 162.984098] RSP: 002b:00007fff678c0a58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.984167] RAX: ffffffffffffffda RBX: 00007fff678c1180 RCX: 00007fc01285b1d7 [ 162.984228] RDX: 0000000000000000 RSI: 00007fff678c0ac0 RDI: 0000000000000005 [ 162.984298] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 162.984361] R10: 00007fc012757f60 R11: 0000000000000246 R12: 0000000000000003 [ 162.984430] R13: 00000000691cbb35 R14: 0000000000499600 R15: 0000000000000000 [ 162.984500] [ 162.984524] Modules linked in: vrf veth [ 162.984563] CR2: 0000000000000000 [ 162.984593] ---[ end trace 0000000000000000 ]--- [ 162.984634] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 162.984678] 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 [ 162.984809] RSP: 0018:ffffbc16c159f6b8 EFLAGS: 00010046 [ 162.984852] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 162.984917] RDX: ffffbc16c159f6f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 162.984977] RBP: ffffbc16c159f6f0 R08: ffff9b9901398873 R09: ffffffffac46cc80 [ 162.985045] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.985111] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 162.985182] FS: 00007fc01268d800(0000) GS:ffff9b999215a000(0000) knlGS:0000000000000000 [ 162.985252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.985309] CR2: 0000000000000000 CR3: 0000000001b63003 CR4: 0000000000772ef0 [ 162.985375] PKRU: 55555554 [ 162.985397] note: ip[1957] exited with irqs disabled [ 162.985630] ip (1957) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr