[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 56.001200][ T26] audit: type=1800 audit(1572996759.057:25): pid=8678 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 56.021123][ T26] audit: type=1800 audit(1572996759.057:26): pid=8678 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 56.044454][ T26] audit: type=1800 audit(1572996759.057:27): pid=8678 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program syzkaller login: [ 68.027399][ T8837] ================================================================== [ 68.027442][ T8840] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.035552][ T8837] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x460 [ 68.043324][ T8840] #PF: supervisor read access in kernel mode [ 68.050753][ T8837] Read of size 63 at addr 0000000000000000 by task syz-executor042/8837 [ 68.061306][ T8840] #PF: error_code(0x0000) - not-present page [ 68.069603][ T8837] [ 68.075553][ T8840] PGD a86f8067 P4D a86f8067 PUD 966ec067 PMD 0 [ 68.077865][ T8837] CPU: 1 PID: 8837 Comm: syz-executor042 Not tainted 5.4.0-rc6-next-20191105 #0 [ 68.084068][ T8840] Oops: 0000 [#1] PREEMPT SMP KASAN [ 68.093053][ T8837] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.098222][ T8840] CPU: 0 PID: 8840 Comm: syz-executor042 Not tainted 5.4.0-rc6-next-20191105 #0 [ 68.108241][ T8837] Call Trace: [ 68.117230][ T8840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.120498][ T8837] dump_stack+0x197/0x210 [ 68.130525][ T8840] RIP: 0010:memcpy_erms+0x6/0x10 [ 68.134822][ T8837] ? llcp_sock_getname+0x358/0x460 [ 68.139733][ T8840] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 68.144813][ T8837] ? llcp_sock_getname+0x358/0x460 [ 68.164388][ T8840] RSP: 0018:ffff8880978ffba0 EFLAGS: 00010246 [ 68.169476][ T8837] __kasan_report.cold+0x5/0x41 [ 68.175506][ T8840] RAX: ffff8880978ffd2a RBX: ffff8880978ffd18 RCX: 000000000000003f [ 68.180337][ T8837] ? llcp_sock_getname+0x358/0x460 [ 68.188279][ T8840] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff8880978ffd2a [ 68.193363][ T8837] kasan_report+0x12/0x20 [ 68.201653][ T8840] RBP: ffff8880978ffbc0 R08: 1ffff11012f1ffa5 R09: ffffed1012f1ffae [ 68.205956][ T8837] check_memory_region+0x134/0x1a0 [ 68.213895][ T8840] R10: ffffed1012f1ffad R11: ffff8880978ffd68 R12: 000000000000003f [ 68.218981][ T8837] memcpy+0x24/0x50 [ 68.226922][ T8840] R13: ffff8880978ffd2a R14: 0000000000000000 R15: ffff88809157aa00 [ 68.230705][ T8837] llcp_sock_getname+0x358/0x460 [ 68.238655][ T8840] FS: 0000000002582880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 68.243566][ T8837] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 68.252463][ T8840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.258334][ T8837] sock_getsockopt+0x14a7/0x205e [ 68.264888][ T8840] CR2: 0000000000000000 CR3: 0000000094ded000 CR4: 00000000001406f0 [ 68.269798][ T8837] ? release_sock+0x156/0x1c0 [ 68.277745][ T8840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.282395][ T8837] ? sk_get_meminfo+0x4e0/0x4e0 [ 68.298254][ T8840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.303113][ T8837] ? _raw_spin_unlock_bh+0x2c/0x30 [ 68.311071][ T8840] Call Trace: [ 68.316163][ T8837] ? ___might_sleep+0x163/0x2c0 [ 68.319418][ T8840] ? memcpy+0x46/0x50 [ 68.324239][ T8837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.328197][ T8840] llcp_sock_getname+0x358/0x460 [ 68.334426][ T8837] ? aa_label_sk_perm+0x91/0xf0 [ 68.339345][ T8840] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 68.344171][ T8837] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 68.350118][ T8840] sock_getsockopt+0x14a7/0x205e [ 68.355721][ T8837] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 68.360713][ T8840] ? release_sock+0x156/0x1c0 [ 68.366234][ T8837] ? apparmor_socket_getsockopt+0x22/0x30 [ 68.370882][ T8840] ? sk_get_meminfo+0x4e0/0x4e0 [ 68.376582][ T8837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.381407][ T8840] ? _raw_spin_unlock_bh+0x2c/0x30 [ 68.387623][ T8837] ? security_socket_getsockopt+0x8d/0xc0 [ 68.392710][ T8840] ? ___might_sleep+0x163/0x2c0 [ 68.398402][ T8837] __sys_getsockopt+0x2c9/0x310 [ 68.403227][ T8840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.408045][ T8837] ? kernel_accept+0x310/0x310 [ 68.414262][ T8840] ? aa_label_sk_perm+0x91/0xf0 [ 68.418999][ T8837] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.423827][ T8840] ? debug_lockdep_rcu_enabled+0x71/0xa0 [ 68.429254][ T8837] ? do_syscall_64+0x26/0x760 [ 68.434868][ T8840] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 68.439515][ T8837] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.445034][ T8840] ? apparmor_socket_getsockopt+0x22/0x30 [ 68.451069][ T8837] ? do_syscall_64+0x26/0x760 [ 68.456768][ T8840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.461426][ T8837] __x64_sys_getsockopt+0xbe/0x150 [ 68.467638][ T8840] ? security_socket_getsockopt+0x8d/0xc0 [ 68.472736][ T8837] do_syscall_64+0xfa/0x760 [ 68.478440][ T8840] __sys_getsockopt+0x2c9/0x310 [ 68.482919][ T8837] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.487744][ T8840] ? kernel_accept+0x310/0x310 [ 68.493609][ T8837] RIP: 0033:0x4412c9 [ 68.498356][ T8840] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.502221][ T8837] Code: e8 ac e8 ff ff 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.507652][ T8840] ? do_syscall_64+0x26/0x760 [ 68.527230][ T8837] RSP: 002b:00007ffd2dc31a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 68.531887][ T8840] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.540270][ T8837] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 68.546399][ T8840] ? do_syscall_64+0x26/0x760 [ 68.554339][ T8837] RDX: 000000000000001c RSI: 0000000000000001 RDI: 0000000000000003 [ 68.558993][ T8840] __x64_sys_getsockopt+0xbe/0x150 [ 68.566959][ T8837] RBP: 00000000006cb018 R08: 0000000020000140 R09: 00000000004002c8 [ 68.572048][ T8840] do_syscall_64+0xfa/0x760 [ 68.580949][ T8837] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 68.585431][ T8840] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.593370][ T8837] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 68.599234][ T8840] RIP: 0033:0x4412c9 [ 68.607177][ T8837] ================================================================== [ 68.611061][ T8840] Code: e8 ac e8 ff ff 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.638683][ T8840] RSP: 002b:00007ffd2dc31a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 68.647129][ T8840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 68.655112][ T8840] RDX: 000000000000001c RSI: 0000000000000001 RDI: 0000000000000003 [ 68.663097][ T8840] RBP: 00000000006cb018 R08: 0000000020000140 R09: 00000000004002c8 [ 68.671082][ T8840] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 68.679091][ T8840] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 68.687072][ T8840] Modules linked in: [ 68.690968][ T8840] CR2: 0000000000000000 [ 68.695115][ T8865] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 68.702942][ T8865] #PF: supervisor read access in kernel mode [ 68.708901][ T8865] #PF: error_code(0x0000) - not-present page [ 68.714864][ T8865] PGD 9cfe2067 P4D 9cfe2067 PUD 8f4c2067 PMD 0 [ 68.721092][ T8865] Oops: 0000 [#2] PREEMPT SMP KASAN [ 68.726273][ T8865] CPU: 1 PID: 8865 Comm: syz-executor042 Tainted: G B D 5.4.0-rc6-next-20191105 #0 [ 68.736662][ T8865] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.746715][ T8865] RIP: 0010:memcpy_erms+0x6/0x10 [ 68.751635][ T8865] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 68.771219][ T8865] RSP: 0018:ffff88808e157ba0 EFLAGS: 00010246 [ 68.777268][ T8865] RAX: ffff88808e157d2a RBX: ffff88808e157d18 RCX: 000000000000003f [ 68.785223][ T8865] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff88808e157d2a [ 68.793192][ T8865] RBP: ffff88808e157bc0 R08: 1ffff11011c2afa5 R09: ffffed1011c2afae [ 68.801264][ T8865] R10: ffffed1011c2afad R11: ffff88808e157d68 R12: 000000000000003f [ 68.809215][ T8865] R13: ffff88808e157d2a R14: 0000000000000000 R15: ffff8880aa013580 [ 68.817169][ T8865] FS: 0000000002582880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 68.826076][ T8865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.833246][ T8865] CR2: 0000000000000000 CR3: 00000000a8653000 CR4: 00000000001406e0 [ 68.841200][ T8865] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.849151][ T8865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.857100][ T8865] Call Trace: [ 68.860383][ T8865] ? memcpy+0x46/0x50 [ 68.864352][ T8865] llcp_sock_getname+0x358/0x460 [ 68.869275][ T8865] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 68.875147][ T8865] sock_getsockopt+0x14a7/0x205e [ 68.880073][ T8865] ? release_sock+0x156/0x1c0 [ 68.884729][ T8865] ? sk_get_meminfo+0x4e0/0x4e0 [ 68.889559][ T8865] ? _raw_spin_unlock_bh+0x2c/0x30 [ 68.894644][ T8865] ? release_sock+0x156/0x1c0 [ 68.899312][ T8865] ? ___might_sleep+0x163/0x2c0 [ 68.904140][ T8865] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 68.910363][ T8865] ? aa_label_sk_perm+0x91/0xf0 [ 68.915196][ T8865] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 68.920733][ T8865] ? apparmor_socket_getsockopt+0x22/0x30 [ 68.926429][ T8865] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 68.932646][ T8865] ? security_socket_getsockopt+0x8d/0xc0 [ 68.938345][ T8865] __sys_getsockopt+0x2c9/0x310 [ 68.943183][ T8865] ? kernel_accept+0x310/0x310 [ 68.947928][ T8865] ? switch_fpu_return+0x1fa/0x4f0 [ 68.953018][ T8865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 68.959064][ T8865] __x64_sys_getsockopt+0xbe/0x150 [ 68.964166][ T8865] do_syscall_64+0xfa/0x760 [ 68.968648][ T8865] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.974523][ T8865] RIP: 0033:0x4412c9 [ 68.978405][ T8865] Code: e8 ac e8 ff ff 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.997996][ T8865] RSP: 002b:00007ffd2dc31a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 69.006472][ T8865] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 69.014421][ T8865] RDX: 000000000000001c RSI: 0000000000000001 RDI: 0000000000000003 [ 69.022373][ T8865] RBP: 0000000000010c37 R08: 0000000020000140 R09: 00000000004002c8 [ 69.030326][ T8865] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 69.038276][ T8865] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 69.046229][ T8865] Modules linked in: [ 69.050187][ T8865] CR2: 0000000000000000 [ 69.054329][ T8841] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 69.062136][ T8841] #PF: supervisor read access in kernel mode [ 69.068110][ T8841] #PF: error_code(0x0000) - not-present page [ 69.074080][ T8841] PGD a882b067 P4D a882b067 PUD a390c067 PMD 0 [ 69.080337][ T8841] Oops: 0000 [#3] PREEMPT SMP KASAN [ 69.085538][ T8841] CPU: 0 PID: 8841 Comm: syz-executor042 Tainted: G B D 5.4.0-rc6-next-20191105 #0 [ 69.095941][ T8841] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.106011][ T8841] RIP: 0010:memcpy_erms+0x6/0x10 [ 69.110954][ T8841] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 69.130557][ T8841] RSP: 0018:ffff8880924b7ba0 EFLAGS: 00010246 [ 69.136629][ T8841] RAX: ffff8880924b7d2a RBX: ffff8880924b7d18 RCX: 000000000000003f [ 69.144602][ T8841] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff8880924b7d2a [ 69.152576][ T8841] RBP: ffff8880924b7bc0 R08: 1ffff11012496fa5 R09: ffffed1012496fae [ 69.160573][ T8841] R10: ffffed1012496fad R11: ffff8880924b7d68 R12: 000000000000003f [ 69.168642][ T8841] R13: ffff8880924b7d2a R14: 0000000000000000 R15: ffff88809157a500 [ 69.176622][ T8841] FS: 0000000002582880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.185723][ T8841] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.192309][ T8841] CR2: 0000000000000000 CR3: 00000000a864a000 CR4: 00000000001406f0 [ 69.200295][ T8841] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.208274][ T8841] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.216245][ T8841] Call Trace: [ 69.219541][ T8841] ? memcpy+0x46/0x50 [ 69.223528][ T8841] llcp_sock_getname+0x358/0x460 [ 69.228452][ T8841] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 69.234341][ T8841] sock_getsockopt+0x14a7/0x205e [ 69.239389][ T8841] ? release_sock+0x156/0x1c0 [ 69.244052][ T8841] ? sk_get_meminfo+0x4e0/0x4e0 [ 69.248893][ T8841] ? _raw_spin_unlock_bh+0x2c/0x30 [ 69.253989][ T8841] ? release_sock+0x156/0x1c0 [ 69.258648][ T8841] ? ___might_sleep+0x163/0x2c0 [ 69.263505][ T8841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 69.270949][ T8841] ? aa_label_sk_perm+0x91/0xf0 [ 69.275807][ T8841] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 69.281333][ T8841] ? apparmor_socket_getsockopt+0x22/0x30 [ 69.287034][ T8841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.293252][ T8841] ? security_socket_getsockopt+0x8d/0xc0 [ 69.298974][ T8841] __sys_getsockopt+0x2c9/0x310 [ 69.303819][ T8841] ? kernel_accept+0x310/0x310 [ 69.308565][ T8841] ? switch_fpu_return+0x1fa/0x4f0 [ 69.313660][ T8841] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 69.319718][ T8841] __x64_sys_getsockopt+0xbe/0x150 [ 69.324813][ T8841] do_syscall_64+0xfa/0x760 [ 69.329306][ T8841] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.335175][ T8841] RIP: 0033:0x4412c9 [ 69.339053][ T8841] Code: e8 ac e8 ff ff 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.358730][ T8841] RSP: 002b:00007ffd2dc31a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 69.367134][ T8841] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 69.375093][ T8841] RDX: 000000000000001c RSI: 0000000000000001 RDI: 0000000000000003 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 69.383043][ T8841] RBP: 00000000000109a1 R08: 0000000020000140 R09: 00000000004002c8 [ 69.390994][ T8841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 69.398941][ T8841] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 69.406902][ T8841] Modules linked in: [ 69.410783][ T8841] CR2: 0000000000000000 [ 69.414936][ T8937] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 69.416252][ T8840] ---[ end trace fc57b71123e45e6c ]--- [ 69.422733][ T8937] #PF: supervisor read access in kernel mode [ 69.422739][ T8937] #PF: error_code(0x0000) - not-present page [ 69.422745][ T8937] PGD a89b0067 P4D a89b0067 PUD 98120067 PMD 0 [ 69.428330][ T8840] RIP: 0010:memcpy_erms+0x6/0x10 [ 69.434152][ T8937] Oops: 0000 [#4] PREEMPT SMP KASAN [ 69.434168][ T8937] CPU: 1 PID: 8937 Comm: syz-executor042 Tainted: G B D 5.4.0-rc6-next-20191105 #0 [ 69.434175][ T8937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.434187][ T8937] RIP: 0010:memcpy_erms+0x6/0x10 [ 69.434204][ T8937] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 69.440201][ T8840] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 69.446359][ T8937] RSP: 0018:ffff88809ae2fba0 EFLAGS: 00010246 [ 69.446370][ T8937] RAX: ffff88809ae2fd2a RBX: ffff88809ae2fd18 RCX: 000000000000003f [ 69.446381][ T8937] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff88809ae2fd2a [ 69.446389][ T8937] RBP: ffff88809ae2fbc0 R08: 1ffff110135c5fa5 R09: ffffed10135c5fae [ 69.446395][ T8937] R10: ffffed10135c5fad R11: ffff88809ae2fd68 R12: 000000000000003f [ 69.446407][ T8937] R13: ffff88809ae2fd2a R14: 0000000000000000 R15: ffff8880a3295580 [ 69.451347][ T8840] RSP: 0018:ffff8880978ffba0 EFLAGS: 00010246 [ 69.456488][ T8937] FS: 0000000002582880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 69.456496][ T8937] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.456503][ T8937] CR2: 0000000000000000 CR3: 00000000949f7000 CR4: 00000000001406e0 [ 69.456512][ T8937] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.456519][ T8937] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.456528][ T8937] Call Trace: [ 69.467212][ T8840] RAX: ffff8880978ffd2a RBX: ffff8880978ffd18 RCX: 000000000000003f [ 69.477817][ T8937] ? memcpy+0x46/0x50 [ 69.477834][ T8937] llcp_sock_getname+0x358/0x460 executing program executing program executing program [ 69.477846][ T8937] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 69.477864][ T8937] sock_getsockopt+0x14a7/0x205e [ 69.482831][ T8840] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff8880978ffd2a [ 69.502375][ T8937] ? release_sock+0x156/0x1c0 [ 69.502387][ T8937] ? sk_get_meminfo+0x4e0/0x4e0 [ 69.502402][ T8937] ? _raw_spin_unlock_bh+0x2c/0x30 [ 69.502412][ T8937] ? release_sock+0x156/0x1c0 [ 69.502434][ T8937] ? ___might_sleep+0x163/0x2c0 [ 69.522120][ T8841] ---[ end trace fc57b71123e45e6d ]--- executing program executing program [ 69.528149][ T8937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 69.528163][ T8937] ? aa_label_sk_perm+0x91/0xf0 [ 69.528186][ T8937] ? aa_sock_opt_perm.isra.0+0xa1/0x130 [ 69.536204][ T8841] RIP: 0010:memcpy_erms+0x6/0x10 [ 69.544087][ T8937] ? apparmor_socket_getsockopt+0x22/0x30 [ 69.544096][ T8937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.544114][ T8937] ? security_socket_getsockopt+0x8d/0xc0 [ 69.552822][ T8841] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 69.560706][ T8937] __sys_getsockopt+0x2c9/0x310 [ 69.560721][ T8937] ? kernel_accept+0x310/0x310 [ 69.560735][ T8937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 69.560752][ T8937] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 69.568770][ T8840] RBP: ffff8880978ffbc0 R08: 1ffff11012f1ffa5 R09: ffffed1012f1ffae [ 69.574743][ T8937] __x64_sys_getsockopt+0xbe/0x150 [ 69.574760][ T8937] do_syscall_64+0xfa/0x760 [ 69.574776][ T8937] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 69.583705][ T8840] R10: ffffed1012f1ffad R11: ffff8880978ffd68 R12: 000000000000003f [ 69.590232][ T8937] RIP: 0033:0x4412c9 [ 69.590246][ T8937] Code: e8 ac e8 ff ff 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 eb 08 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 69.590253][ T8937] RSP: 002b:00007ffd2dc31a58 EFLAGS: 00000246 ORIG_RAX: 0000000000000037 [ 69.590264][ T8937] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412c9 [ 69.590276][ T8937] RDX: 000000000000001c RSI: 0000000000000001 RDI: 0000000000000003 [ 69.598293][ T8841] RSP: 0018:ffff8880978ffba0 EFLAGS: 00010246 [ 69.606186][ T8937] RBP: 0000000000010e51 R08: 0000000020000140 R09: 00000000004002c8 [ 69.606193][ T8937] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000402040 [ 69.606200][ T8937] R13: 00000000004020d0 R14: 0000000000000000 R15: 0000000000000000 [ 69.606214][ T8937] Modules linked in: [ 69.614271][ T8840] R13: ffff8880978ffd2a R14: 0000000000000000 R15: ffff88809157aa00 [ 69.617440][ T8937] CR2: 0000000000000000 [ 69.619403][ T8865] ---[ end trace fc57b71123e45e6e ]--- [ 69.626940][ T8841] RAX: ffff8880978ffd2a RBX: ffff8880978ffd18 RCX: 000000000000003f [ 69.629987][ T8865] RIP: 0010:memcpy_erms+0x6/0x10 [ 69.634631][ T8841] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff8880978ffd2a [ 69.643172][ T8865] Code: 90 90 90 90 eb 1e 0f 1f 00 48 89 f8 48 89 d1 48 c1 e9 03 83 e2 07 f3 48 a5 89 d1 f3 a4 c3 66 0f 1f 44 00 00 48 89 f8 48 89 d1 a4 c3 0f 1f 80 00 00 00 00 48 89 f8 48 83 fa 20 72 7e 40 38 fe [ 69.645900][ T8840] FS: 0000000002582880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 69.653998][ T8865] RSP: 0018:ffff8880978ffba0 EFLAGS: 00010246 [ 69.658293][ T8841] RBP: ffff8880978ffbc0 R08: 1ffff11012f1ffa5 R09: ffffed1012f1ffae [ 69.671307][ T8865] RAX: ffff8880978ffd2a RBX: ffff8880978ffd18 RCX: 000000000000003f [ 69.673346][ T8840] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.680967][ T8865] RDX: 000000000000003f RSI: 0000000000000000 RDI: ffff8880978ffd2a [ 69.683871][ T8840] CR2: 00007ffc0e0dc000 CR3: 0000000094ded000 CR4: 00000000001406f0 [ 69.692906][ T8865] RBP: ffff8880978ffbc0 R08: 1ffff11012f1ffa5 R09: ffffed1012f1ffae [ 69.694933][ T8841] R10: ffffed1012f1ffad R11: ffff8880978ffd68 R12: 000000000000003f [ 69.700745][ T8865] R10: ffffed1012f1ffad R11: ffff8880978ffd68 R12: 000000000000003f [ 69.705333][ T8840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.713888][ T8865] R13: ffff8880978ffd2a R14: 0000000000000000 R15: ffff88809157aa00 [ 69.717409][ T8841] R13: ffff8880978ffd2a R14: 0000000000000000 R15: ffff88809157aa00 [ 69.723847][ T8865] FS: 0000000002582880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 69.742677][ T8840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.742686][ T8840] Kernel panic - not syncing: Fatal exception [ 69.744009][ T8840] Kernel Offset: disabled [ 70.065094][ T8840] Rebooting in 86400 seconds..