Warning: Permanently added '10.128.0.28' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 41.882981][ T7071] IPVS: ftp: loaded support on port[0] = 21 [ 41.968406][ T7095] BUG: unable to handle page fault for address: ffff887f93c07fff [ 41.976228][ T7095] #PF: supervisor read access in kernel mode [ 41.982933][ T7095] #PF: error_code(0x0000) - not-present page [ 41.989158][ T7095] PGD 0 P4D 0 [ 41.992526][ T7095] Oops: 0000 [#1] PREEMPT SMP KASAN [ 41.997812][ T7095] CPU: 0 PID: 7095 Comm: syz-executor058 Not tainted 5.7.0-rc4-syzkaller #0 [ 42.006618][ T7095] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 42.016817][ T7095] RIP: 0010:netif_receive_generic_xdp+0x5ad/0x11b0 [ 42.023856][ T7095] Code: e8 03 42 80 3c 20 00 74 08 48 89 df e8 4c 91 52 fb 48 89 2b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 b3 90 52 fb <49> 8b 75 00 83 e6 01 31 ff 48 89 b4 24 d8 00 00 00 e8 6d b1 14 fb [ 42.043927][ T7095] RSP: 0018:ffffc90001607798 EFLAGS: 00010246 [ 42.050090][ T7095] RAX: 1ffff10ff2780fff RBX: ffffc900016078d0 RCX: 0000000000000100 [ 42.058505][ T7095] RDX: ffffffffffff0101 RSI: 0000000000000000 RDI: ffff8880a93f19f6 [ 42.066992][ T7095] RBP: ffff888093bf8000 R08: ffffffff865eb1d2 R09: ffffed101277f7dd [ 42.075338][ T7095] R10: ffffed101277f7dd R11: 0000000000000000 R12: dffffc0000000000 [ 42.083731][ T7095] R13: ffff887f93c07fff R14: 00000000ffff10fd R15: ffff8880a93f1940 [ 42.091771][ T7095] FS: 00007f1dacf41700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 42.100701][ T7095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.107258][ T7095] CR2: ffff887f93c07fff CR3: 00000000a4d83000 CR4: 00000000001406f0 [ 42.115213][ T7095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.126645][ T7095] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.134712][ T7095] Call Trace: [ 42.138015][ T7095] do_xdp_generic+0x34/0x100 [ 42.143182][ T7095] tun_get_user+0x1c86/0x3670 [ 42.147854][ T7095] ? rcu_lock_release+0x5/0x20 [ 42.152605][ T7095] tun_chr_write_iter+0x99/0x120 [ 42.157514][ T7095] __vfs_write+0x54c/0x710 [ 42.161908][ T7095] __kernel_write+0x120/0x350 [ 42.166556][ T7095] write_pipe_buf+0xf9/0x150 [ 42.174089][ T7095] __splice_from_pipe+0x329/0x870 [ 42.179117][ T7095] ? default_file_splice_write+0x1b0/0x1b0 [ 42.185071][ T7095] default_file_splice_write+0x112/0x1b0 [ 42.190690][ T7095] ? security_file_permission+0x30/0xc0 [ 42.196356][ T7095] ? default_file_splice_read+0xa40/0xa40 [ 42.202056][ T7095] do_splice+0xdcd/0x18c0 [ 42.206600][ T7095] ? __fget_files+0x4b9/0x4e0 [ 42.211265][ T7095] __se_sys_splice+0x172/0x230 [ 42.216016][ T7095] do_syscall_64+0xf3/0x1b0 [ 42.220761][ T7095] entry_SYSCALL_64_after_hwframe+0x49/0xb3 [ 42.226656][ T7095] RIP: 0033:0x446bb9 [ 42.230625][ T7095] Code: e8 ec 0f 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 8b 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 42.250395][ T7095] RSP: 002b:00007f1dacf40d98 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 [ 42.258779][ T7095] RAX: ffffffffffffffda RBX: 00000000006dcc78 RCX: 0000000000446bb9 [ 42.266723][ T7095] RDX: 0000000000000005 RSI: 0000000000000000 RDI: 0000000000000003 [ 42.274680][ T7095] RBP: 00000000006dcc70 R08: 0000000000010008 R09: 0000000000000000 [ 42.282872][ T7095] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dcc7c [ 42.291066][ T7095] R13: 0000000000003172 R14: 656c6c616b7a7973 R15: 0000000000000064 [ 42.299040][ T7095] Modules linked in: [ 42.302912][ T7095] CR2: ffff887f93c07fff [ 42.307057][ T7095] ---[ end trace 4c8fae086c48d4f1 ]--- [ 42.312864][ T7095] RIP: 0010:netif_receive_generic_xdp+0x5ad/0x11b0 [ 42.319350][ T7095] Code: e8 03 42 80 3c 20 00 74 08 48 89 df e8 4c 91 52 fb 48 89 2b 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 b3 90 52 fb <49> 8b 75 00 83 e6 01 31 ff 48 89 b4 24 d8 00 00 00 e8 6d b1 14 fb [ 42.339043][ T7095] RSP: 0018:ffffc90001607798 EFLAGS: 00010246 [ 42.345098][ T7095] RAX: 1ffff10ff2780fff RBX: ffffc900016078d0 RCX: 0000000000000100 [ 42.353056][ T7095] RDX: ffffffffffff0101 RSI: 0000000000000000 RDI: ffff8880a93f19f6 [ 42.361000][ T7095] RBP: ffff888093bf8000 R08: ffffffff865eb1d2 R09: ffffed101277f7dd [ 42.369049][ T7095] R10: ffffed101277f7dd R11: 0000000000000000 R12: dffffc0000000000 [ 42.377134][ T7095] R13: ffff887f93c07fff R14: 00000000ffff10fd R15: ffff8880a93f1940 [ 42.385089][ T7095] FS: 00007f1dacf41700(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 42.394526][ T7095] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.401096][ T7095] CR2: ffff887f93c07fff CR3: 00000000a4d83000 CR4: 00000000001406f0 [ 42.409041][ T7095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.416996][ T7095] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.424966][ T7095] Kernel panic - not syncing: Fatal exception in interrupt [ 42.433576][ T7095] Kernel Offset: disabled [ 42.437905][ T7095] Rebooting in 86400 seconds..