[  OK  ] Reached target Multi-User System.
[  OK  ] Reached target Graphical Interface.
         Starting Update UTMP about System Runlevel Changes...
[  OK  ] Started Load/Save RF Kill Switch Status.
[  OK  ] Started Update UTMP about System Runlevel Changes.

Debian GNU/Linux 9 syzkaller ttyS0

Warning: Permanently added '10.128.10.36' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [   70.962207][ T8479] general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
[   70.974052][ T8479] KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
[   70.982441][ T8479] CPU: 0 PID: 8479 Comm: syz-executor586 Not tainted 5.14.0-rc4-syzkaller #0
[   70.991178][ T8479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[   71.001243][ T8479] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0
[   71.007091][ T8479] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00
[   71.026686][ T8479] RSP: 0018:ffffc9000173fb78 EFLAGS: 00010203
[   71.032736][ T8479] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[   71.040688][ T8479] RDX: 0000000000000002 RSI: ffffffff87c28473 RDI: ffff88802c7c8eb0
[   71.048638][ T8479] RBP: ffff88802c7c8bc0 R08: 0000000000000001 R09: 00000000fffffff0
[   71.056592][ T8479] R10: ffffffff87c28701 R11: 0000000000000000 R12: 0000000000000000
[   71.064558][ T8479] R13: 0000000000000014 R14: ffff888029ff0d08 R15: 0000000000000001
[   71.072519][ T8479] FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   71.081442][ T8479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.088011][ T8479] CR2: 0000000000480f58 CR3: 000000000b68e000 CR4: 00000000001506f0
[   71.095976][ T8479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   71.103970][ T8479] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   71.111930][ T8479] Call Trace:
[   71.115197][ T8479]  ? wait_on_pending_writer+0x430/0x430
[   71.120732][ T8479]  ? __local_bh_enable_ip+0xa0/0x120
[   71.126001][ T8479]  tls_sk_proto_close+0x356/0xaf0
[   71.131171][ T8479]  ? wait_on_pending_writer+0x430/0x430
[   71.136707][ T8479]  ? down_write+0xe0/0x150
[   71.141113][ T8479]  ? ip_mc_drop_socket+0x16/0x260
[   71.146138][ T8479]  ? locks_remove_file+0x2f9/0x570
[   71.151239][ T8479]  inet_release+0x12e/0x280
[   71.155740][ T8479]  __sock_release+0xcd/0x280
[   71.160311][ T8479]  sock_close+0x18/0x20
[   71.164450][ T8479]  __fput+0x288/0x920
[   71.168417][ T8479]  ? __sock_release+0x280/0x280
[   71.173251][ T8479]  task_work_run+0xdd/0x1a0
[   71.177740][ T8479]  do_exit+0xbd4/0x2a60
[   71.181878][ T8479]  ? __context_tracking_exit+0xb8/0xe0
[   71.187319][ T8479]  ? lock_downgrade+0x6e0/0x6e0
[   71.192153][ T8479]  ? lock_downgrade+0x6e0/0x6e0
[   71.196982][ T8479]  ? mm_update_next_owner+0x7a0/0x7a0
[   71.202341][ T8479]  do_group_exit+0x125/0x310
[   71.206921][ T8479]  __x64_sys_exit_group+0x3a/0x50
[   71.211927][ T8479]  do_syscall_64+0x35/0xb0
[   71.216322][ T8479]  entry_SYSCALL_64_after_hwframe+0x44/0xae
[   71.222201][ T8479] RIP: 0033:0x43dbf9
[   71.226073][ T8479] Code: Unable to access opcode bytes at RIP 0x43dbcf.
[   71.232889][ T8479] RSP: 002b:00007fffa66af7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[   71.241276][ T8479] RAX: ffffffffffffffda RBX: 00000000004ae230 RCX: 000000000043dbf9
[   71.249225][ T8479] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[   71.257173][ T8479] RBP: 0000000000000000 R08: ffffffffffffffc0 R09: 0000000000400488
[   71.265120][ T8479] R10: 0000000000000004 R11: 0000000000000246 R12: 00000000004ae230
[   71.273069][ T8479] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
[   71.281021][ T8479] Modules linked in:
[   71.287460][ T8479] ---[ end trace 6213d334bd7b77c8 ]---
[   71.293066][ T8479] RIP: 0010:tls_sk_proto_close+0xd8/0xaf0
[   71.298864][ T8479] Code: 02 00 0f 85 16 09 00 00 48 8b 85 f0 02 00 00 4d 8d 6c 24 14 4c 89 ea 48 c1 ea 03 48 89 44 24 18 48 b8 00 00 00 00 00 fc ff df <0f> b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 4f 07 00 00
[   71.318535][ T8479] RSP: 0018:ffffc9000173fb78 EFLAGS: 00010203
[   71.324602][ T8479] RAX: dffffc0000000000 RBX: dffffc0000000000 RCX: 0000000000000000
[   71.332678][ T8479] RDX: 0000000000000002 RSI: ffffffff87c28473 RDI: ffff88802c7c8eb0
[   71.340710][ T8479] RBP: ffff88802c7c8bc0 R08: 0000000000000001 R09: 00000000fffffff0
[   71.348722][ T8479] R10: ffffffff87c28701 R11: 0000000000000000 R12: 0000000000000000
[   71.356840][ T8479] R13: 0000000000000014 R14: ffff888029ff0d08 R15: 0000000000000001
[   71.364810][ T8479] FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
[   71.373767][ T8479] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   71.380514][ T8479] CR2: 0000000000480f58 CR3: 000000000b68e000 CR4: 00000000001506f0
[   71.388513][ T8479] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   71.396538][ T8479] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   71.404512][ T8479] Kernel panic - not syncing: Fatal exception
[   71.411834][ T8479] Kernel Offset: disabled
[   71.416147][ T8479] Rebooting in 86400 seconds..