[ 1.793226] ip (249) used greatest stack depth: 12424 bytes left [ 1.927226] ip (257) used greatest stack depth: 12344 bytes left [ 2.002431] ip (269) used greatest stack depth: 12296 bytes left [ 162.292761] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 162.292857] #PF: supervisor write access in kernel mode [ 162.292913] #PF: error_code(0x0002) - not-present page [ 162.292963] PGD 301b067 P4D 301b067 PUD 4cae067 PMD 0 [ 162.293015] Oops: Oops: 0002 [#1] SMP [ 162.293057] CPU: 0 UID: 0 PID: 1958 Comm: ip Not tainted 6.18.0-rc5-virtme #1 PREEMPT(voluntary) [ 162.293147] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 162.293208] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 162.293276] 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 [ 162.293439] RSP: 0018:ffffbec5015d76b8 EFLAGS: 00010046 [ 162.293488] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 162.293556] RDX: ffffbec5015d76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 162.293634] RBP: ffffbec5015d76f0 R08: ffffa0fd813a3673 R09: ffffffff8906cc80 [ 162.293705] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.293775] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 162.293848] FS: 00007f91a1fa3800(0000) GS:ffffa0fe353da000(0000) knlGS:0000000000000000 [ 162.293927] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.293989] CR2: 0000000000000000 CR3: 00000000070ed001 CR4: 0000000000772ef0 [ 162.294059] PKRU: 55555554 [ 162.294088] Call Trace: [ 162.294117] [ 162.294150] __cancel_work+0x29/0xe0 [ 162.294194] ? linkwatch_urgent_event+0x2f/0xb0 [ 162.294254] __cancel_work_sync+0x16/0x80 [ 162.294294] __dev_close_many+0x11b/0x280 [ 162.294336] __dev_change_flags+0xed/0x220 [ 162.294375] netif_change_flags+0x25/0x60 [ 162.294410] do_setlink.constprop.0+0x2fe/0x1120 [ 162.294466] ? __nla_validate_parse+0x5d/0xe70 [ 162.294524] ? __kmalloc_cache_noprof+0x3a5/0x4b0 [ 162.294584] rtnl_newlink+0x7fa/0xbc0 [ 162.294626] ? virtio_fs_enqueue_req+0x352/0x570 [ 162.294684] ? netdev_run_todo+0x63/0x550 [ 162.294726] ? rtnl_setlink+0x2c0/0x2c0 [ 162.294765] rtnetlink_rcv_msg+0x358/0x400 [ 162.294810] ? get_page_from_freelist+0x15b4/0x1770 [ 162.294866] ? rtnl_calcit.isra.0+0x110/0x110 [ 162.294918] netlink_rcv_skb+0x57/0x100 [ 162.294962] netlink_unicast+0x252/0x380 [ 162.295001] ? __alloc_skb+0xfc/0x1e0 [ 162.295041] netlink_sendmsg+0x1be/0x3e0 [ 162.295076] ____sys_sendmsg+0x132/0x260 [ 162.295121] ? copy_msghdr_from_user+0x6c/0xa0 [ 162.295178] ___sys_sendmsg+0x87/0xd0 [ 162.295220] ? do_wp_page+0x369/0xe90 [ 162.295266] ? ___pte_offset_map+0x1b/0xd0 [ 162.295300] ? nfulnl_rcv_nl_event+0x36/0xa0 [ 162.295356] ? fsnotify_grab_connector+0x48/0x80 [ 162.295413] ? fsnotify_destroy_marks+0x29/0x150 [ 162.295466] __sys_sendmsg+0x71/0xd0 [ 162.295509] do_syscall_64+0xa4/0xfd0 [ 162.295554] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 162.295611] RIP: 0033:0x7f91a21711d7 [ 162.295653] 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 [ 162.295816] RSP: 002b:00007fff2b6324e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 162.295886] RAX: ffffffffffffffda RBX: 00007fff2b632c10 RCX: 00007f91a21711d7 [ 162.295955] RDX: 0000000000000000 RSI: 00007fff2b632550 RDI: 0000000000000005 [ 162.296028] RBP: 0000000000000003 R08: 0000000000000003 R09: 0000000000000078 [ 162.296106] R10: 00007f91a206df60 R11: 0000000000000246 R12: 0000000000000003 [ 162.296174] R13: 00000000691cce71 R14: 0000000000499600 R15: 0000000000000000 [ 162.296246] [ 162.296274] Modules linked in: vrf veth [ 162.296318] CR2: 0000000000000000 [ 162.296356] ---[ end trace 0000000000000000 ]--- [ 162.296403] RIP: 0010:work_grab_pending+0x2f/0x1b0 [ 162.296456] 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 [ 162.296628] RSP: 0018:ffffbec5015d76b8 EFLAGS: 00010046 [ 162.296684] RAX: 0000000000000246 RBX: 0000000000000000 RCX: 0000000000000004 [ 162.296752] RDX: ffffbec5015d76f0 RSI: 0000000000000000 RDI: 0000000000000000 [ 162.296820] RBP: ffffbec5015d76f0 R08: ffffa0fd813a3673 R09: ffffffff8906cc80 [ 162.296891] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 162.296960] R13: 0000000000000000 R14: 0000000000000020 R15: 0000000000000001 [ 162.297033] FS: 00007f91a1fa3800(0000) GS:ffffa0fe353da000(0000) knlGS:0000000000000000 [ 162.297108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 162.297172] CR2: 0000000000000000 CR3: 00000000070ed001 CR4: 0000000000772ef0 [ 162.297242] PKRU: 55555554 [ 162.297269] note: ip[1958] exited with irqs disabled [ 162.297494] ip (1958) used greatest stack depth: 11592 bytes left WAIT TIMEOUT stderr Ctrl-C stderr Ctrl-C stderr WAIT TIMEOUT stderr