Warning: Permanently added '10.128.0.236' (ECDSA) to the list of known hosts. executing program executing program [ 91.629744][ T26] audit: type=1400 audit(1573111927.927:42): avc: denied { map } for pid=9392 comm="syz-executor853" path="/root/syz-executor853427885" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 91.643287][ T9401] ================================================================== [ 91.660212][ T9399] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 91.664781][ T9401] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x460 [ 91.672555][ T9399] #PF: supervisor read access in kernel mode [ 91.679995][ T9401] Read of size 1 at addr 0000000000000000 by task syz-executor853/9401 [ 91.685940][ T9399] #PF: error_code(0x0000) - not-present page [ 91.694141][ T9401] [ 91.700092][ T9399] PGD a369f067 P4D a369f067 PUD 87cda067 PMD 0 [ 91.702418][ T9401] CPU: 1 PID: 9401 Comm: syz-executor853 Not tainted 5.4.0-rc6+ #0 [ 91.708626][ T9399] Oops: 0000 [#1] PREEMPT SMP KASAN [ 91.716492][ T9401] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.721663][ T9399] CPU: 0 PID: 9399 Comm: syz-executor853 Not tainted 5.4.0-rc6+ #0 [ 91.731677][ T9401] Call Trace: [ 91.731698][ T9401] dump_stack+0x197/0x210 [ 91.739546][ T9399] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 91.742808][ T9401] ? llcp_sock_getname+0x358/0x460 [ 91.747107][ T9399] RIP: 0010:memcpy_erms+0x6/0x10 [ 91.757132][ T9401] ? llcp_sock_getname+0x358/0x460 [ 91.762214][ T9399] 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 [ 91.767120][ T9401] __kasan_report.cold+0x5/0x41 [ 91.772193][ T9399] RSP: 0018:ffff888094a07d50 EFLAGS: 00010246 [ 91.791776][ T9401] ? llcp_sock_getname+0x358/0x460 [ 91.796592][ T9399] RAX: ffff888094a07e12 RBX: ffff888094a07e00 RCX: 0000000000000001 [ 91.802631][ T9401] kasan_report+0x12/0x20 [ 91.807704][ T9399] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888094a07e12 [ 91.815653][ T9401] check_memory_region+0x134/0x1a0 [ 91.819957][ T9399] RBP: ffff888094a07d70 R08: 1ffff11012940fc2 R09: ffffed1012940fc3 [ 91.827912][ T9401] memcpy+0x24/0x50 [ 91.833005][ T9399] R10: ffffed1012940fc2 R11: ffff888094a07e12 R12: 0000000000000001 [ 91.840955][ T9401] llcp_sock_getname+0x358/0x460 [ 91.844752][ T9399] R13: ffff888094a07e12 R14: 0000000000000000 R15: ffffffff88661e80 [ 91.852714][ T9401] __sys_getpeername+0x12b/0x290 [ 91.857618][ T9399] FS: 0000000002259880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 91.865569][ T9401] ? __ia32_sys_getsockname+0xb0/0xb0 [ 91.870472][ T9399] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 91.879379][ T9401] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 91.884710][ T9399] CR2: 0000000000000000 CR3: 00000000a748e000 CR4: 00000000001406f0 [ 91.891278][ T9401] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 91.896702][ T9399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 91.904655][ T9401] ? do_syscall_64+0x26/0x760 [ 91.910082][ T9399] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 91.918034][ T9401] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.922668][ T9399] Call Trace: [ 91.930620][ T9401] ? do_syscall_64+0x26/0x760 [ 91.936653][ T9399] ? memcpy+0x46/0x50 [ 91.939914][ T9401] __x64_sys_getpeername+0x73/0xb0 [ 91.944562][ T9399] llcp_sock_getname+0x358/0x460 [ 91.948522][ T9401] do_syscall_64+0xfa/0x760 [ 91.953605][ T9399] __sys_getpeername+0x12b/0x290 [ 91.958513][ T9401] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 91.962989][ T9399] ? __ia32_sys_getsockname+0xb0/0xb0 [ 91.967901][ T9401] RIP: 0033:0x4412b9 [ 91.973790][ T9399] ? up_read+0x1d2/0x810 [ 91.979130][ T9401] 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 [ 91.982999][ T9399] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 91.987206][ T9401] RSP: 002b:00007ffcbc4c81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 92.006818][ T9399] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 92.012250][ T9401] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 92.020643][ T9399] ? do_syscall_64+0x26/0x760 [ 92.026066][ T9401] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 92.034021][ T9399] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.038670][ T9401] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 92.046619][ T9399] ? do_syscall_64+0x26/0x760 [ 92.052650][ T9401] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 92.060601][ T9399] __x64_sys_getpeername+0x73/0xb0 executing program executing program executing program executing program [ 92.065243][ T9401] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 92.073192][ T9399] do_syscall_64+0xfa/0x760 [ 92.078267][ T9401] ================================================================== [ 92.086226][ T9399] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 92.103051][ T9401] Kernel panic - not syncing: panic_on_warn set ... [ 92.104623][ T9399] RIP: 0033:0x4412b9 [ 92.115256][ T9399] 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 [ 92.134846][ T9399] RSP: 002b:00007ffcbc4c81e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 92.143251][ T9399] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 92.151204][ T9399] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 92.159157][ T9399] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 92.167113][ T9399] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 92.175079][ T9399] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 92.183036][ T9399] Modules linked in: [ 92.186923][ T9399] CR2: 0000000000000000 [ 92.192510][ T9401] Kernel Offset: disabled [ 92.196854][ T9401] Rebooting in 86400 seconds..