[ 69.677521][ T26] audit: type=1400 audit(1572217808.758:37): avc: denied { watch } for pid=9375 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [....] Starting [ 69.712127][ T26] audit: type=1400 audit(1572217808.758:38): avc: denied { watch } for pid=9375 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 69.854627][ T26] audit: type=1800 audit(1572217808.938:39): pid=9288 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 [ 69.883609][ T26] audit: type=1800 audit(1572217808.938:40): pid=9288 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: [ 74.223695][ T26] audit: type=1400 audit(1572217813.308:41): avc: denied { map } for pid=9465 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 '10.128.0.62' (ECDSA) to the list of known hosts. executing program executing program [ 80.694903][ T26] audit: type=1400 audit(1572217819.778:42): avc: denied { map } for pid=9477 comm="syz-executor141" path="/root/syz-executor141947004" 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 [ 80.708092][ T9485] ================================================================== [ 80.725342][ T9486] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 80.730013][ T9485] BUG: KASAN: null-ptr-deref in llcp_sock_getname+0x358/0x460 [ 80.737788][ T9486] #PF: supervisor read access in kernel mode [ 80.745220][ T9485] Read of size 1 at addr 0000000000000000 by task syz-executor141/9485 [ 80.751165][ T9486] #PF: error_code(0x0000) - not-present page [ 80.759373][ T9485] [ 80.765337][ T9486] PGD a5249067 P4D a5249067 PUD a15dd067 PMD 0 [ 80.767653][ T9485] CPU: 1 PID: 9485 Comm: syz-executor141 Not tainted 5.4.0-rc5 #0 [ 80.773863][ T9486] Oops: 0000 [#1] PREEMPT SMP KASAN [ 80.781655][ T9485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.786827][ T9486] CPU: 0 PID: 9486 Comm: syz-executor141 Not tainted 5.4.0-rc5 #0 [ 80.796851][ T9485] Call Trace: [ 80.804631][ T9486] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 80.807897][ T9485] dump_stack+0x172/0x1f0 [ 80.817935][ T9486] RIP: 0010:memcpy_erms+0x6/0x10 [ 80.822255][ T9485] ? llcp_sock_getname+0x358/0x460 [ 80.827160][ T9486] 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 [ 80.832246][ T9485] ? llcp_sock_getname+0x358/0x460 [ 80.851904][ T9486] RSP: 0018:ffff8880a7937d50 EFLAGS: 00010246 [ 80.856995][ T9485] __kasan_report.cold+0x5/0x41 [ 80.863376][ T9486] RAX: ffff8880a7937e12 RBX: ffff8880a7937e00 RCX: 0000000000000001 [ 80.868206][ T9485] ? llcp_sock_getname+0x358/0x460 [ 80.876157][ T9486] RDX: 0000000000000001 RSI: 0000000000000000 RDI: ffff8880a7937e12 [ 80.881269][ T9485] kasan_report+0x12/0x20 [ 80.889211][ T9486] RBP: ffff8880a7937d70 R08: 1ffff11014f26fc2 R09: ffffed1014f26fc3 [ 80.893520][ T9485] check_memory_region+0x134/0x1a0 [ 80.901471][ T9486] R10: ffffed1014f26fc2 R11: ffff8880a7937e12 R12: 0000000000000001 [ 80.906554][ T9485] memcpy+0x24/0x50 [ 80.914496][ T9486] R13: ffff8880a7937e12 R14: 0000000000000000 R15: ffffffff886612a0 [ 80.918285][ T9485] llcp_sock_getname+0x358/0x460 [ 80.926227][ T9486] FS: 0000000002560880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 80.931142][ T9485] __sys_getpeername+0x12b/0x290 [ 80.940041][ T9486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.944958][ T9485] ? __ia32_sys_getsockname+0xb0/0xb0 [ 80.951524][ T9486] CR2: 0000000000000000 CR3: 00000000a953b000 CR4: 00000000001406f0 [ 80.956880][ T9485] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 80.964823][ T9486] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.970263][ T9485] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 80.978211][ T9486] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.983670][ T9485] ? do_syscall_64+0x26/0x760 [ 80.991624][ T9486] Call Trace: [ 80.996283][ T9485] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 80.999555][ T9486] ? memcpy+0x46/0x50 [ 81.005592][ T9485] ? do_syscall_64+0x26/0x760 [ 81.009564][ T9486] llcp_sock_getname+0x358/0x460 [ 81.014223][ T9485] __x64_sys_getpeername+0x73/0xb0 [ 81.019672][ T9486] __sys_getpeername+0x12b/0x290 [ 81.024757][ T9485] do_syscall_64+0xfa/0x760 [ 81.029670][ T9486] ? __ia32_sys_getsockname+0xb0/0xb0 [ 81.034147][ T9485] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.039488][ T9486] ? up_read+0x1d2/0x810 [ 81.045352][ T9485] RIP: 0033:0x4412b9 [ 81.049575][ T9486] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 81.054221][ T9485] 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 [ 81.059657][ T9486] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 81.079236][ T9485] RSP: 002b:00007ffe8a955948 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 81.084682][ T9486] ? do_syscall_64+0x26/0x760 [ 81.093058][ T9485] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 81.097723][ T9486] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.105675][ T9485] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 81.111719][ T9486] ? do_syscall_64+0x26/0x760 [ 81.119668][ T9485] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 81.124327][ T9486] __x64_sys_getpeername+0x73/0xb0 [ 81.132280][ T9485] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 executing program executing program executing program [ 81.137523][ T9486] do_syscall_64+0xfa/0x760 [ 81.145667][ T9485] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 81.145684][ T9485] ================================================================== [ 81.150189][ T9486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 81.167537][ T9485] Kernel panic - not syncing: panic_on_warn set ... [ 81.172407][ T9486] RIP: 0033:0x4412b9 [ 81.182881][ T9486] 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 [ 81.202484][ T9486] RSP: 002b:00007ffe8a955948 EFLAGS: 00000246 ORIG_RAX: 0000000000000034 [ 81.211141][ T9486] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004412b9 [ 81.219094][ T9486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 81.227048][ T9486] RBP: 00000000006cb018 R08: 00000000004002c8 R09: 00000000004002c8 [ 81.235020][ T9486] R10: 00000000004002c8 R11: 0000000000000246 R12: 0000000000402030 [ 81.242985][ T9486] R13: 00000000004020c0 R14: 0000000000000000 R15: 0000000000000000 [ 81.250947][ T9486] Modules linked in: [ 81.254822][ T9486] CR2: 0000000000000000 [ 81.260635][ T9485] Kernel Offset: disabled [ 81.264976][ T9485] Rebooting in 86400 seconds..