Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 70.608472][ T26] kauditd_printk_skb: 7 callbacks suppressed [ 70.608489][ T26] audit: type=1800 audit(1575171241.737:39): pid=9506 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 70.637287][ T26] audit: type=1800 audit(1575171241.747:40): pid=9506 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 74.620385][ T26] audit: type=1400 audit(1575171245.757:41): avc: denied { map } for pid=9683 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.162' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 84.555188][ T26] audit: type=1400 audit(1575171255.687:42): avc: denied { map } for pid=9695 comm="syz-executor909" path="/root/syz-executor909732784" 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 [ 84.569616][ T9704] ================================================================== [ 84.590366][ T9704] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x460 [ 84.593828][ T9706] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 84.598788][ T9704] Read of size 1 at addr 0000000000000000 by task syz-executor909/9704 [ 84.606572][ T9706] #PF: supervisor read access in kernel mode [ 84.614776][ T9704] [ 84.620736][ T9706] #PF: error_code(0x0000) - not-present page [ 84.623047][ T9704] CPU: 0 PID: 9704 Comm: syz-executor909 Not tainted 5.4.0-syzkaller #0 [ 84.628990][ T9706] PGD 9cba1067 P4D 9cba1067 PUD 98b75067 PMD 0 [ 84.637288][ T9704] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.643503][ T9706] Oops: 0000 [#1] PREEMPT SMP KASAN [ 84.653553][ T9704] Call Trace: [ 84.658731][ T9706] CPU: 1 PID: 9706 Comm: syz-executor909 Not tainted 5.4.0-syzkaller #0 [ 84.661993][ T9704] dump_stack+0x197/0x210 [ 84.670365][ T9706] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.674673][ T9704] ? llcp_sock_getname+0x358/0x460 [ 84.684702][ T9706] RIP: 0010:memcpy_erms+0x6/0x10 [ 84.689781][ T9704] ? llcp_sock_getname+0x358/0x460 [ 84.694688][ T9706] Code: cc cc cc cc 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 [ 84.699784][ T9704] __kasan_report.cold+0x5/0x41 [ 84.719457][ T9706] RSP: 0018:ffff888094007d50 EFLAGS: 00010246 [ 84.724307][ T9704] ? llcp_sock_getname+0x358/0x460 [ 84.730338][ T9706] RAX: ffff888094007e12 RBX: ffff888094007e00 RCX: 0000000000000001 [ 84.735421][ T9704] kasan_report+0x12/0x20 [ 84.743371][ T9706] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888094007e12 [ 84.743387][ T9706] RBP: ffff888094007d70 R08: 1ffff11012800fc2 R09: ffffed1012800fc3 [ 84.747711][ T9704] check_memory_region+0x134/0x1a0 [ 84.755657][ T9706] R10: ffffed1012800fc2 R11: ffff888094007e12 R12: 0000000000000001 [ 84.763636][ T9704] memcpy+0x24/0x50 [ 84.768731][ T9706] R13: ffff888094007e12 R14: 0000000000000000 R15: ffffffff88d22e40 [ 84.776690][ T9704] llcp_sock_getname+0x358/0x460 [ 84.780464][ T9706] FS: 0000000000844880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 84.788417][ T9704] __sys_getpeername+0x12b/0x290 [ 84.793319][ T9706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.802223][ T9704] ? __ia32_sys_getsockname+0xb0/0xb0 [ 84.807121][ T9706] CR2: 0000000000000000 CR3: 00000000a55cb000 CR4: 00000000001406e0 [ 84.813699][ T9704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.819036][ T9706] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.826986][ T9704] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.832408][ T9706] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.840359][ T9704] ? do_syscall_64+0x26/0x790 [ 84.845776][ T9706] Call Trace: [ 84.853731][ T9704] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.858382][ T9706] ? memcpy+0x46/0x50 [ 84.861647][ T9704] ? do_syscall_64+0x26/0x790 [ 84.867691][ T9706] llcp_sock_getname+0x358/0x460 [ 84.871647][ T9704] __x64_sys_getpeername+0x73/0xb0 [ 84.876296][ T9706] __sys_getpeername+0x12b/0x290 [ 84.881206][ T9704] do_syscall_64+0xfa/0x790 [ 84.886296][ T9706] ? __ia32_sys_getsockname+0xb0/0xb0 [ 84.891207][ T9704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.895770][ T9706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.901108][ T9704] RIP: 0033:0x4412b9 [ 84.906983][ T9706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 84.912420][ T9704] 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 [ 84.916285][ T9706] ? do_syscall_64+0x26/0x790 [ 84.921706][ T9704] RSP: 002b:00007fff8da45008 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 84.942003][ T9706] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.946644][ T9704] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 84.955039][ T9706] ? do_syscall_64+0x26/0x790 [ 84.961071][ T9704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 84.969054][ T9706] __x64_sys_getpeername+0x73/0xb0 [ 84.973693][ T9704] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 84.981646][ T9706] do_syscall_64+0xfa/0x790 [ 84.986724][ T9704] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 84.994866][ T9706] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.999334][ T9704] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 85.007292][ T9706] RIP: 0033:0x4412b9 [ 85.013253][ T9704] ================================================================== [ 85.021315][ T9706] 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 [ 85.054223][ T9706] RSP: 002b:00007fff8da45008 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 85.062630][ T9706] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 85.071250][ T9706] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 85.079219][ T9706] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 85.087196][ T9706] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 85.095243][ T9706] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 85.103194][ T9706] Modules linked in: [ 85.107067][ T9706] CR2: 0000000000000000 [ 85.111239][ T9703] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 85.119036][ T9703] #PF: supervisor read access in kernel mode [ 85.124987][ T9703] #PF: error_code(0x0000) - not-present page [ 85.130949][ T9703] PGD 932f6067 P4D 932f6067 PUD a13ab067 PMD 0 [ 85.137889][ T9703] Oops: 0000 [#2] PREEMPT SMP KASAN [ 85.143162][ T9703] CPU: 0 PID: 9703 Comm: syz-executor909 Tainted: G B D 5.4.0-syzkaller #0 [ 85.152850][ T9703] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.162951][ T9703] RIP: 0010:memcpy_erms+0x6/0x10 [ 85.167863][ T9703] Code: cc cc cc cc 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 [ 85.187441][ T9703] RSP: 0018:ffff88808b23fd50 EFLAGS: 00010246 [ 85.193482][ T9703] RAX: ffff88808b23fe12 RBX: ffff88808b23fe00 RCX: 0000000000000001 [ 85.201430][ T9703] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff88808b23fe12 [ 85.209374][ T9703] RBP: ffff88808b23fd70 R08: 1ffff11011647fc2 R09: ffffed1011647fc3 [ 85.217338][ T9703] R10: ffffed1011647fc2 R11: ffff88808b23fe12 R12: 0000000000000001 [ 85.225300][ T9703] R13: ffff88808b23fe12 R14: 0000000000000000 R15: ffffffff88d22e40 [ 85.233336][ T9703] FS: 0000000000844880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 85.242261][ T9703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.248822][ T9703] CR2: 0000000000000000 CR3: 00000000a79b2000 CR4: 00000000001406f0 [ 85.256781][ T9703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.264835][ T9703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.272836][ T9703] Call Trace: [ 85.276129][ T9703] ? memcpy+0x46/0x50 [ 85.280146][ T9703] llcp_sock_getname+0x358/0x460 [ 85.285080][ T9703] __sys_getpeername+0x12b/0x290 [ 85.290087][ T9703] ? __ia32_sys_getsockname+0xb0/0xb0 [ 85.295451][ T9703] ? up_read+0x1cd/0x810 [ 85.299692][ T9703] ? __kasan_check_write+0x14/0x20 [ 85.304785][ T9703] ? switch_fpu_return+0x1fa/0x4f0 [ 85.309876][ T9703] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 85.315920][ T9703] __x64_sys_getpeername+0x73/0xb0 [ 85.321007][ T9703] do_syscall_64+0xfa/0x790 [ 85.325487][ T9703] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.331352][ T9703] RIP: 0033:0x4412b9 [ 85.335313][ T9703] 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 [ 85.355102][ T9703] RSP: 002b:00007fff8da45008 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 85.363496][ T9703] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 85.371448][ T9703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 85.379568][ T9703] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 85.387524][ T9703] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 85.395483][ T9703] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 85.403443][ T9703] Modules linked in: [ 85.407311][ T9703] CR2: 0000000000000000 [ 85.411505][ T9705] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 85.415288][ T9703] ---[ end trace 9c738d02d33f1595 ]--- [ 85.419666][ T9705] #PF: supervisor read access in kernel mode [ 85.419674][ T9705] #PF: error_code(0x0000) - not-present page [ 85.419679][ T9705] PGD 979a6067 P4D 979a6067 PUD 92a1f067 PMD 0 [ 85.419700][ T9705] Oops: 0000 [#3] PREEMPT SMP KASAN [ 85.419718][ T9705] CPU: 1 PID: 9705 Comm: syz-executor909 Tainted: G B D 5.4.0-syzkaller #0 [ 85.425710][ T9703] RIP: 0010:memcpy_erms+0x6/0x10 [ 85.431200][ T9705] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 85.431219][ T9705] RIP: 0010:memcpy_erms+0x6/0x10 [ 85.431232][ T9705] Code: cc cc cc cc 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 [ 85.431238][ T9705] RSP: 0018:ffff8880a67d7d50 EFLAGS: 00010246 [ 85.431249][ T9705] RAX: ffff8880a67d7e12 RBX: ffff8880a67d7e00 RCX: 0000000000000001 [ 85.431255][ T9705] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8880a67d7e12 [ 85.431262][ T9705] RBP: ffff8880a67d7d70 R08: 1ffff11014cfafc2 R09: ffffed1014cfafc3 [ 85.431277][ T9705] R10: ffffed1014cfafc2 R11: ffff8880a67d7e12 R12: 0000000000000001 [ 85.440648][ T9703] Code: cc cc cc cc 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 [ 85.443468][ T9705] R13: ffff8880a67d7e12 R14: 0000000000000000 R15: ffffffff88d22e40 [ 85.443494][ T9705] FS: 0000000000844880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 85.443502][ T9705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 85.443515][ T9705] CR2: 0000000000000000 CR3: 0000000098cce000 CR4: 00000000001406e0 [ 85.451990][ T9703] RSP: 0018:ffff888094007d50 EFLAGS: 00010246 [ 85.458385][ T9705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 85.458393][ T9705] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 85.458399][ T9705] Call Trace: [ 85.458413][ T9705] ? memcpy+0x46/0x50 [ 85.458434][ T9705] llcp_sock_getname+0x358/0x460 [ 85.466598][ T9703] RAX: ffff888094007e12 RBX: ffff888094007e00 RCX: 0000000000000001 [ 85.473481][ T9705] __sys_getpeername+0x12b/0x290 [ 85.473494][ T9705] ? __ia32_sys_getsockname+0xb0/0xb0 [ 85.473506][ T9705] ? up_read+0x1cd/0x810 [ 85.473530][ T9705] ? __kasan_check_write+0x14/0x20 [ 85.479244][ T9703] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff888094007e12 [ 85.498060][ T9705] ? switch_fpu_return+0x1fa/0x4f0 [ 85.498079][ T9705] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 85.498094][ T9705] __x64_sys_getpeername+0x73/0xb0 [ 85.498109][ T9705] do_syscall_64+0xfa/0x790 [ 85.498129][ T9705] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 85.507051][ T9703] RBP: ffff888094007d70 R08: 1ffff11012800fc2 R09: ffffed1012800fc3 [ 85.512126][ T9705] RIP: 0033:0x4412b9 [ 85.512139][ T9705] 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 [ 85.512145][ T9705] RSP: 002b:00007fff8da45008 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 85.512156][ T9705] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 85.512161][ T9705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 85.512178][ T9705] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 85.523523][ T9704] Kernel panic - not syncing: panic_on_warn set ... [ 85.528089][ T9705] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 85.761478][ T9705] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 85.769443][ T9705] Modules linked in: [ 85.773317][ T9705] CR2: 0000000000000000 [ 85.778705][ T9704] Kernel Offset: disabled [ 85.783030][ T9704] Rebooting in 86400 seconds..