[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 18.864384] random: sshd: uninitialized urandom read (32 bytes read, 31 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 23.482208] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 23.658446] random: sshd: uninitialized urandom read (32 bytes read, 36 bits of entropy available) [ 25.056802] random: sshd: uninitialized urandom read (32 bytes read, 108 bits of entropy available) [ 25.242136] random: sshd: uninitialized urandom read (32 bytes read, 111 bits of entropy available) Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. [ 30.825971] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.124209] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 31.132471] IP: [] l2tp_session_create+0x948/0x1030 [ 31.139171] PGD b2b70067 PUD b236e067 PMD 0 [ 31.143963] Oops: 0002 [#1] PREEMPT SMP KASAN [ 31.148961] Dumping ftrace buffer: [ 31.152491] (ftrace buffer empty) [ 31.156188] Modules linked in: [ 31.159495] CPU: 1 PID: 3707 Comm: syz-executor024 Not tainted 4.4.138-gcf21a9a #64 [ 31.167274] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.176614] task: ffff8801cd2d9800 task.stack: ffff8800b1058000 [ 31.182659] RIP: 0010:[] [] l2tp_session_create+0x948/0x1030 [ 31.191803] RSP: 0018:ffff8800b105fb48 EFLAGS: 00010246 [ 31.197233] RAX: 0000000000000000 RBX: ffff8800b3b41400 RCX: 0000000000000006 [ 31.204494] RDX: 1ffff100167682b0 RSI: ffffffff8359ab63 RDI: ffff8800b3b41580 [ 31.211749] RBP: ffff8800b105fbb8 R08: ffff8801cd2da100 R09: 0000000000000000 [ 31.219009] R10: 0000000000000000 R11: ffffffff84638ce0 R12: ffff8800b3a3d9a8 [ 31.226266] R13: ffff8800b105fcd0 R14: ffff8800b3a3d900 R15: ffffffff83599790 [ 31.233526] FS: 00007fcad1de8700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 [ 31.241847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.247745] CR2: 0000000000000080 CR3: 00000000b2284000 CR4: 00000000001606f0 [ 31.255011] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.262272] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.269525] Stack: [ 31.271658] ffffffff8113da4a ffff8800b3b41420 ffff8800b3a3da58 ffff8800b3a3d910 [ 31.279697] ffffffff838c2080 ffff8800b3a3d9b0 ffff8800b3a3da50 ffff8800b3b414e0 [ 31.287734] ffffffff00000000 ffff8800b1056600 0000000000000000 ffff8800b1056630 [ 31.295791] Call Trace: [ 31.298366] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 31.304674] [] ? _raw_read_unlock_bh+0x30/0x40 [ 31.310894] [] pppol2tp_connect+0x10f0/0x1910 [ 31.317031] [] ? pppol2tp_recv+0x320/0x320 [ 31.322905] [] ? security_socket_connect+0x8f/0xc0 [ 31.329473] [] SYSC_connect+0x1b8/0x300 [ 31.335086] [] ? SYSC_bind+0x280/0x280 [ 31.340608] [] ? memset+0x31/0x40 [ 31.345698] [] ? iommu_range_alloc+0x2b0/0x340 [ 31.351917] [] ? retint_user+0x18/0x3c [ 31.357446] [] ? trace_hardirqs_on_caller+0x38b/0x590 [ 31.364273] [] SyS_connect+0x24/0x30 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.369629] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 31.376186] Code: 00 00 48 8d bb 80 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 36 06 00 00 48 8b 83 80 01 00 00 ff 80 80 00 00 00 48 8d 43 20 48 89 c7 48 89 45 b0 e8 91 13 [ 31.403765] RIP [] l2tp_session_create+0x948/0x1030 [ 31.410573] RSP [ 31.414189] CR2: 0000000000000080 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.581160] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 31.589426] IP: [] l2tp_session_create+0x948/0x1030 [ 31.596132] PGD b19ad067 PUD b54b7067 PMD 0 [ 31.600912] Oops: 0002 [#2] PREEMPT SMP KASAN [ 31.605910] Dumping ftrace buffer: [ 31.609438] (ftrace buffer empty) [ 31.613138] Modules linked in: [ 31.616446] CPU: 0 PID: 3706 Comm: syz-executor024 Tainted: G D 4.4.138-gcf21a9a #64 [ 31.625442] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.634786] task: ffff8800b19eb000 task.stack: ffff8800b1078000 [ 31.640824] RIP: 0010:[] [] l2tp_session_create+0x948/0x1030 [ 31.649987] RSP: 0018:ffff8800b107fb48 EFLAGS: 00010246 [ 31.655421] RAX: 0000000000000000 RBX: ffff8800b1708500 RCX: 0000000000000006 [ 31.662676] RDX: 1ffff100162e10d0 RSI: ffffffff8359ab63 RDI: ffff8800b1708680 [ 31.669934] RBP: ffff8800b107fbb8 R08: 000000000000000a R09: 000000000000ffff [ 31.677889] R10: ffffed00399d4648 R11: ffffffff84638ce0 R12: ffff8801ccea3228 [ 31.685144] R13: ffff8800b107fcd0 R14: ffff8801ccea3180 R15: ffffffff83599790 [ 31.692405] FS: 00007fcad1de8700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 31.700631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.706508] CR2: 0000000000000080 CR3: 00000000b1843000 CR4: 00000000001606f0 [ 31.713767] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 31.721028] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 31.728284] Stack: [ 31.730421] ffffffff8113da4a ffff8800b1708520 ffff8801ccea32d8 ffff8801ccea3190 [ 31.738477] ffffffff838c2080 ffff8801ccea3230 ffff8801ccea32d0 ffff8800b17085e0 [ 31.746533] ffffffff00000000 ffff8801d96f6e80 0000000000000000 ffff8801d96f6eb0 [ 31.754567] Call Trace: [ 31.757150] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 31.763478] [] ? _raw_read_unlock_bh+0x30/0x40 [ 31.769698] [] pppol2tp_connect+0x10f0/0x1910 [ 31.775833] [] ? pppol2tp_recv+0x320/0x320 [ 31.781706] [] ? __fget+0x148/0x3b0 [ 31.786979] [] ? __might_fault+0xe4/0x1d0 [ 31.792770] [] ? security_socket_connect+0x8f/0xc0 [ 31.799354] [] SYSC_connect+0x1b8/0x300 [ 31.804977] [] ? SYSC_bind+0x280/0x280 [ 31.810510] [] ? memset+0x31/0x40 [ 31.815601] [] ? iommu_range_alloc+0x2b0/0x340 [ 31.821827] [] ? up_read+0x1a/0x40 [ 31.827006] [] ? __do_page_fault+0x149/0xa10 [ 31.833051] [] ? move_addr_to_kernel+0x50/0x50 [ 31.839278] [] SyS_connect+0x24/0x30 [ 31.844638] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 31.851194] Code: 00 00 48 8d bb 80 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 36 06 00 00 48 8b 83 80 01 00 00 ff 80 80 00 00 00 48 8d 43 20 48 89 c7 48 89 45 b0 e8 91 13 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.878709] RIP [] l2tp_session_create+0x948/0x1030 [ 31.885499] RSP [ 31.889114] CR2: 0000000000000080 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.081678] random: nonblocking pool is initialized executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.174036] BUG: unable to handle kernel NULL pointer dereference at 0000000000000080 [ 32.182302] IP: [] l2tp_session_create+0x948/0x1030 [ 32.189010] PGD 1cf4cb067 PUD 1cd83d067 PMD 0 [ 32.193956] Oops: 0002 [#3] PREEMPT SMP KASAN [ 32.198950] Dumping ftrace buffer: [ 32.202475] (ftrace buffer empty) [ 32.206175] Modules linked in: [ 32.209495] CPU: 0 PID: 3698 Comm: syz-executor024 Tainted: G D 4.4.138-gcf21a9a #64 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.218489] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.227839] task: ffff8800b2138000 task.stack: ffff8801cdfa0000 [ 32.233879] RIP: 0010:[] [] l2tp_session_create+0x948/0x1030 [ 32.243017] RSP: 0018:ffff8801cdfa7b48 EFLAGS: 00010246 [ 32.248450] RAX: 0000000000000000 RBX: ffff8801d48ca280 RCX: 0000000000000006 [ 32.255712] RDX: 1ffff1003a919480 RSI: ffffffff8359ab63 RDI: ffff8801d48ca400 [ 32.262974] RBP: ffff8801cdfa7bb8 R08: 000000000000000a R09: 000000000000ffff executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.270236] R10: ffffed0017637248 R11: ffffffff84638ce0 R12: ffff8800bb1b9228 [ 32.277499] R13: ffff8801cdfa7cd0 R14: ffff8800bb1b9180 R15: ffffffff83599790 [ 32.284766] FS: 00007fcad1de8700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 [ 32.292984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.298858] CR2: 0000000000000080 CR3: 00000001cddef000 CR4: 00000000001606f0 [ 32.306124] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 32.313381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 32.320635] Stack: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.322766] ffffffff8113da4a ffff8801d48ca2a0 ffff8800bb1b92d8 ffff8800bb1b9190 [ 32.330798] ffffffff838c2080 ffff8800bb1b9230 ffff8800bb1b92d0 ffff8801d48ca360 [ 32.338821] ffffffff00000000 ffff8801d48d8880 0000000000000000 ffff8801d48d88b0 [ 32.346864] Call Trace: [ 32.349445] [] ? __local_bh_enable_ip+0x6a/0xd0 [ 32.355758] [] ? _raw_read_unlock_bh+0x30/0x40 [ 32.361980] [] pppol2tp_connect+0x10f0/0x1910 [ 32.368115] [] ? pppol2tp_recv+0x320/0x320 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.373997] [] ? __fget+0x148/0x3b0 [ 32.379273] [] ? __might_fault+0xe4/0x1d0 [ 32.385061] [] ? security_socket_connect+0x8f/0xc0 [ 32.391627] [] SYSC_connect+0x1b8/0x300 [ 32.397237] [] ? SYSC_bind+0x280/0x280 [ 32.402762] [] ? memset+0x31/0x40 [ 32.407853] [] ? iommu_range_alloc+0x2b0/0x340 [ 32.414073] [] ? up_read+0x1a/0x40 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.419253] [] ? __do_page_fault+0x149/0xa10 [ 32.425298] [] ? move_addr_to_kernel+0x50/0x50 [ 32.431526] [] SyS_connect+0x24/0x30 [ 32.436890] [] entry_SYSCALL_64_fastpath+0x22/0x9e [ 32.443460] Code: 00 00 48 8d bb 80 01 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 36 06 00 00 48 8b 83 80 01 00 00 ff 80 80 00 00 00 48 8d 43 20 48 89 c7 48 89 45 b0 e8 91 13 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 32.471075] RIP [] l2tp_session_create+0x948/0x1030 [ 32.477856] RSP [ 32.481467] CR2: 0000000000000080 [ 32.485697] ---[ end trace 2ea16e92762604ae ]--- [ 32.522051] Kernel panic - not syncing: Fatal exception [ 32.527872] Dumping ftrace buffer: [ 32.531388] (ftrace buffer empty) [ 32.535070] Kernel Offset: disabled [ 32.538669] Rebooting in 86400 seconds..