[ 1.988430] ip (254) used greatest stack depth: 12424 bytes left [ 23.778801] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 23.778877] #PF: supervisor write access in kernel mode [ 23.778918] #PF: error_code(0x0002) - not-present page [ 23.778957] PGD 7242067 P4D 7242067 PUD 766c067 PMD 0 [ 23.778998] Oops: Oops: 0002 [#1] SMP [ 23.779030] CPU: 3 UID: 0 PID: 2821 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 23.779095] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 23.779141] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 23.779189] 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 [ 23.779311] RSP: 0018:ffffa9e9823636b8 EFLAGS: 00010046 [ 23.779348] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 23.779403] RDX: ffffa9e9823636f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.779458] RBP: ffffa9e9823636f0 R08: ffff926d41398873 R09: ffffffff9a46cc80 [ 23.779525] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 23.779580] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 23.779631] FS: 00007fac95155800(0000) GS:ffff926de415a000(0000) knlGS:0000000000000000 [ 23.779695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.779739] CR2: 0000000000000000 CR3: 00000000073ab004 CR4: 0000000000772ef0 [ 23.779795] PKRU: 55555554 [ 23.779817] Call Trace: [ 23.779836] [ 23.779860] __cancel_work+0x29/0xe0 [ 23.779895] ? linkwatch_urgent_event+0x2f/0xb0 [ 23.779939] __cancel_work_sync+0x16/0x80 [ 23.779970] __dev_close_many+0x11b/0x280 [ 23.780007] __dev_change_flags+0xed/0x220 [ 23.780039] netif_change_flags+0x25/0x60 [ 23.780072] do_setlink.constprop.0+0x2fe/0x1120 [ 23.780119] ? __nla_validate_parse+0x5d/0xe70 [ 23.780163] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 23.780209] rtnl_newlink+0x7fa/0xbc0 [ 23.780243] ? virtio_fs_enqueue_req+0x352/0x570 [ 23.780306] ? netdev_run_todo+0x63/0x550 [ 23.780338] ? rtnl_setlink+0x2c0/0x2c0 [ 23.780369] rtnetlink_rcv_msg+0x358/0x400 [ 23.780400] ? get_page_from_freelist+0x15b4/0x1770 [ 23.780446] ? rtnl_calcit.isra.0+0x110/0x110 [ 23.780486] netlink_rcv_skb+0x57/0x100 [ 23.780521] netlink_unicast+0x252/0x380 [ 23.780555] ? __alloc_skb+0xfc/0x1e0 [ 23.780590] netlink_sendmsg+0x1be/0x3e0 [ 23.780621] ____sys_sendmsg+0x132/0x260 [ 23.780655] ? copy_msghdr_from_user+0x6c/0xa0 [ 23.780698] ___sys_sendmsg+0x87/0xd0 [ 23.780731] ? do_wp_page+0x369/0xe90 [ 23.780765] ? ___pte_offset_map+0x1b/0xd0 [ 23.780800] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 23.780842] ? fsnotify_grab_connector+0x48/0x80 [ 23.780885] ? fsnotify_destroy_marks+0x29/0x150 [ 23.780926] __sys_sendmsg+0x71/0xd0 [ 23.780960] do_syscall_64+0xa4/0xfd0 [ 23.780996] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 23.781039] RIP: 0033:0x7fac953231d7 [ 23.781072] 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 [ 23.781192] RSP: 002b:00007fff6b2d6f38 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 23.781252] RAX: ffffffffffffffda RBX: 00007fff6b2d7660 RCX: 00007fac953231d7 [ 23.781307] RDX: 0000000000000000 RSI: 00007fff6b2d6fa0 RDI: 0000000000000005 [ 23.781362] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 23.781416] R10: 00007fac9521ff60 R11: 0000000000000246 R12: 0000000000000003 [ 23.781472] R13: 00000000691cc16f R14: 0000000000499600 R15: 0000000000000000 [ 23.781534] [ 23.781555] Modules linked in: vrf veth [ 23.781588] CR2: 0000000000000000 [ 23.781617] ---[ end trace 0000000000000000 ]--- [ 23.781655] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 23.781698] 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 [ 23.781817] RSP: 0018:ffffa9e9823636b8 EFLAGS: 00010046 [ 23.781857] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 23.781912] RDX: ffffa9e9823636f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 23.781961] RBP: ffffa9e9823636f0 R08: ffff926d41398873 R09: ffffffff9a46cc80 [ 23.782010] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 23.782065] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 23.782117] FS: 00007fac95155800(0000) GS:ffff926de415a000(0000) knlGS:0000000000000000 [ 23.782177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.782221] CR2: 0000000000000000 CR3: 00000000073ab004 CR4: 0000000000772ef0 [ 23.782278] PKRU: 55555554 [ 23.782299] note: ip[2821] exited with irqs disabled [ 23.782510] ip (2821) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr