Warning: Permanently added '10.128.0.91' (ECDSA) to the list of known hosts. [ 66.882466] audit: type=1400 audit(1572502283.445:36): avc: denied { map } for pid=7630 comm="syz-executor350" path="/root/syz-executor350933467" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 66.894877] ================================================================== [ 66.911501] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 66.916151] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x460 [ 66.924101] PGD a6623067 [ 66.931006] Read of size 1 at addr 0000000000000000 by task syz-executor350/7639 [ 66.931009] P4D a6623067 PUD 9905d067 [ 66.933748] [ 66.941268] PMD 0 [ 66.945408] CPU: 0 PID: 7639 Comm: syz-executor350 Not tainted 4.19.81 #0 [ 66.949145] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.956052] Oops: 0000 [#1] PREEMPT SMP KASAN [ 66.965380] Call Trace: [ 66.969856] CPU: 1 PID: 7637 Comm: syz-executor350 Not tainted 4.19.81 #0 [ 66.972434] dump_stack+0x172/0x1f0 [ 66.979411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.983020] ? llcp_sock_getname+0x358/0x460 [ 66.992355] RIP: 0010:memcpy_erms+0x6/0x10 [ 66.996748] kasan_report.cold+0x199/0x2ba [ 67.000960] 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 [ 67.005177] check_memory_region+0x123/0x190 [ 67.024054] RSP: 0018:ffff888076b4fd50 EFLAGS: 00010246 [ 67.028441] memcpy+0x24/0x50 [ 67.028456] llcp_sock_getname+0x358/0x460 [ 67.033795] RAX: ffff888076b4fe12 RBX: ffff888076b4fe00 RCX: 0000000000000001 [ 67.036885] __sys_getpeername+0x12b/0x290 [ 67.041178] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888076b4fe12 [ 67.048431] ? __ia32_sys_getsockname+0xb0/0xb0 [ 67.052644] RBP: ffff888076b4fd70 R08: 1ffff1100ed69fc2 R09: ffffed100ed69fc3 [ 67.059910] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.064549] R10: ffffed100ed69fc2 R11: ffff888076b4fe12 R12: 0000000000000001 [ 67.071802] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.076545] R13: ffff888076b4fe12 R14: 0000000000000000 R15: ffffffff87fbf5a0 [ 67.083797] ? do_syscall_64+0x26/0x620 [ 67.088529] FS: 00000000019e4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.095785] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.099822] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.108029] ? do_syscall_64+0x26/0x620 [ 67.113374] CR2: 0000000000000000 CR3: 0000000094b68000 CR4: 00000000001406e0 [ 67.119241] __x64_sys_getpeername+0x73/0xb0 [ 67.123187] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.130441] do_syscall_64+0xfd/0x620 [ 67.134828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.142093] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.145863] Call Trace: [ 67.153130] RIP: 0033:0x4412b9 [ 67.158309] ? memcpy+0x46/0x50 [ 67.160884] 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 [ 67.164056] llcp_sock_getname+0x358/0x460 [ 67.167319] RSP: 002b:00007fffe45a9518 EFLAGS: 00000246 [ 67.186213] __sys_getpeername+0x12b/0x290 [ 67.190420] ORIG_RAX: 0000000000000034 [ 67.195768] ? __ia32_sys_getsockname+0xb0/0xb0 [ 67.199978] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 67.203939] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.208587] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 67.215853] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 67.220590] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 67.227865] ? do_syscall_64+0x26/0x620 [ 67.232603] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 67.239861] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.243808] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 67.251195] ? do_syscall_64+0x26/0x620 [ 67.256555] ================================================================== [ 67.263825] __x64_sys_getpeername+0x73/0xb0 [ 67.279532] do_syscall_64+0xfd/0x620 [ 67.283354] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.288556] RIP: 0033:0x4412b9 [ 67.291763] 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 [ 67.310670] RSP: 002b:00007fffe45a9518 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 67.318394] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 67.325674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 67.332953] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 67.340234] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 67.347512] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 67.354795] Modules linked in: [ 67.357994] CR2: 0000000000000000 [ 67.367806] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 [ 67.369465] Kernel panic - not syncing: panic_on_warn set ... [ 67.369465] [ 67.375989] PGD 79d7e067 P4D 79d7e067 PUD 94534067 PMD 0 [ 67.388886] Oops: 0000 [#2] PREEMPT SMP KASAN [ 67.393372] CPU: 1 PID: 7683 Comm: syz-executor350 Tainted: G B D 4.19.81 #0 [ 67.401773] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.411136] RIP: 0010:memcpy_erms+0x6/0x10 [ 67.415361] 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 [ 67.434362] RSP: 0018:ffff888082ed7d50 EFLAGS: 00010246 [ 67.439805] RAX: ffff888082ed7e12 RBX: ffff888082ed7e00 RCX: 0000000000000001 [ 67.447064] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888082ed7e12 [ 67.454324] RBP: ffff888082ed7d70 R08: 1ffff110105dafc2 R09: ffffed10105dafc3 [ 67.461595] R10: ffffed10105dafc2 R11: ffff888082ed7e12 R12: 0000000000000001 [ 67.469116] R13: ffff888082ed7e12 R14: 0000000000000000 R15: ffffffff87fbf5a0 [ 67.476385] FS: 00000000019e4880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 67.484616] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.490506] CR2: 0000000000000000 CR3: 00000000976fa000 CR4: 00000000001406e0 [ 67.497771] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.505040] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.512297] Call Trace: [ 67.514879] ? memcpy+0x46/0x50 [ 67.518154] llcp_sock_getname+0x358/0x460 [ 67.522381] __sys_getpeername+0x12b/0x290 [ 67.526751] ? __ia32_sys_getsockname+0xb0/0xb0 [ 67.531427] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 67.536784] __x64_sys_getpeername+0x73/0xb0 [ 67.541187] do_syscall_64+0xfd/0x620 [ 67.544985] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 67.550186] RIP: 0033:0x4412b9 [ 67.553382] 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 [ 67.572287] RSP: 002b:00007fffe45a9518 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 67.579998] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 67.587261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 67.594523] RBP: 0000000000010705 R08: 00000000004002c8 R09: 00000000004002c8 [ 67.601781] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 67.609037] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 67.616299] Modules linked in: [ 67.619480] CR2: 0000000000000000 [ 67.624347] Kernel Offset: disabled [ 67.627986] Rebooting in 86400 seconds..