Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.0.90' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   39.990361] audit: type=1400 audit(1596805888.021:8): avc:  denied  { execmem } for  pid=6477 comm="syz-executor539" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[   40.010675] kasan: CONFIG_KASAN_INLINE enabled
[   40.015328] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   40.022730] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[   40.028940] CPU: 1 PID: 6477 Comm: syz-executor539 Not tainted 4.19.138-syzkaller #0
[   40.036795] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   40.046135] RIP: 0010:__list_del_entry_valid+0x81/0xef
[   40.051522] Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d
[   40.070404] RSP: 0018:ffff88809773fc30 EFLAGS: 00010046
[   40.075831] RAX: dffffc0000000000 RBX: ffff8880a66ae300 RCX: ffffffff815255fb
[   40.083080] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a66ae7d0
[   40.090328] RBP: ffff8880a66ae7c8 R08: 0000000000000001 R09: ffffed10141abaf5
[   40.097586] R10: ffff8880a0d5d7ab R11: 0000000000000001 R12: 0000000000000000
[   40.104833] R13: 0000000000000000 R14: ffff8880a66ae7c8 R15: ffff8880a66ae7d0
[   40.112079] FS:  0000000001109880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   40.120279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.126150] CR2: 0000559d0ce6c270 CR3: 000000009420c000 CR4: 00000000001406e0
[   40.133413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.140657] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.147918] Call Trace:
[   40.150503]  xdp_del_sk_umem+0x72/0x1a0
[   40.154472]  xsk_release+0x128/0x350
[   40.158169]  __sock_release+0xcd/0x2a0
[   40.162033]  ? __sock_release+0x2a0/0x2a0
[   40.166171]  sock_close+0x15/0x20
[   40.169600]  __fput+0x2ce/0x890
[   40.172857]  task_work_run+0x148/0x1c0
[   40.176726]  do_exit+0xbb2/0x2b70
[   40.180158]  ? selinux_socket_setsockopt+0x6a/0x80
[   40.185065]  ? mm_update_next_owner+0x650/0x650
[   40.189709]  ? __sys_setsockopt+0x179/0x240
[   40.194007]  ? kernel_accept+0x310/0x310
[   40.198043]  do_group_exit+0x125/0x310
[   40.201913]  __x64_sys_exit_group+0x3a/0x50
[   40.206232]  do_syscall_64+0xf9/0x620
[   40.210018]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[   40.215201] RIP: 0033:0x43f098
[   40.218382] Code: Bad RIP value.
[   40.221720] RSP: 002b:00007ffd863a6a28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   40.229401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f098
[   40.236648] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000
[   40.243895] RBP: 00000000004be928 R08: 00000000000000e7 R09: ffffffffffffffd0
[   40.251161] R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000001
[   40.258438] R13: 00000000006d0180 R14: 0000000000000000 R15: 0000000000000000
[   40.265693] Modules linked in:
[   40.268878] ---[ end trace 4f62374d8f57854f ]---
[   40.273627] RIP: 0010:__list_del_entry_valid+0x81/0xef
[   40.278881] Code: 0f 84 df 00 00 00 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 75 51 49 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d
[   40.297759] RSP: 0018:ffff88809773fc30 EFLAGS: 00010046
[   40.303105] RAX: dffffc0000000000 RBX: ffff8880a66ae300 RCX: ffffffff815255fb
[   40.310375] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880a66ae7d0
[   40.317634] RBP: ffff8880a66ae7c8 R08: 0000000000000001 R09: ffffed10141abaf5
[   40.324878] R10: ffff8880a0d5d7ab R11: 0000000000000001 R12: 0000000000000000
[   40.332125] R13: 0000000000000000 R14: ffff8880a66ae7c8 R15: ffff8880a66ae7d0
[   40.339373] FS:  0000000001109880(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
[   40.347574] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.353431] CR2: 000000000043f06e CR3: 000000009420c000 CR4: 00000000001406e0
[   40.360678] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   40.367933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   40.375181] Kernel panic - not syncing: Fatal exception
[   40.381449] Kernel Offset: disabled
[   40.385065] Rebooting in 86400 seconds..