[ 32.563737] audit: type=1800 audit(1572540804.531:33): pid=6859 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=2465 res=0 [ 32.590519] audit: type=1800 audit(1572540804.531:34): pid=6859 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=2456 res=0 [ 32.704615] random: sshd: uninitialized urandom read (32 bytes read) [ 32.945555] audit: type=1400 audit(1572540804.911:35): avc: denied { map } for pid=7032 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 [ 32.995995] random: sshd: uninitialized urandom read (32 bytes read) [ 33.556935] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 55.414045] random: sshd: uninitialized urandom read (32 bytes read) Warning: Permanently added '10.128.0.251' (ECDSA) to the list of known hosts. [ 60.929995] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 61.051821] audit: type=1400 audit(1572540833.021:36): avc: denied { map } for pid=7045 comm="syz-executor528" path="/root/syz-executor528157151" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 61.054590] BUG: unable to handle kernel NULL pointer dereference at (null) [ 61.086191] IP: (null) [ 61.089536] PGD 7fda0067 P4D 7fda0067 PUD a5c7c067 PMD 0 [ 61.095055] Oops: 0010 [#1] PREEMPT SMP KASAN [ 61.099526] Modules linked in: [ 61.102702] CPU: 1 PID: 7045 Comm: syz-executor528 Not tainted 4.14.151 #0 [ 61.109702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.119036] task: ffff888089146680 task.stack: ffff8880946e8000 [ 61.125069] RIP: 0010: (null) [ 61.128931] RSP: 0018:ffff8880946efd48 EFLAGS: 00010246 [ 61.134279] RAX: dffffc0000000000 RBX: ffffffff88151060 RCX: 1ffff11011228de4 [ 61.141523] RDX: 1ffffffff102a223 RSI: 0000000000000000 RDI: ffff88807fe89800 [ 61.148767] RBP: ffff8880946efd68 R08: 0000000000000001 R09: ffff888089146f20 [ 61.156025] R10: 0000000000000000 R11: 0000000000000000 R12: ffff88807fe89800 [ 61.163272] R13: ffff88807fe8980e R14: 000000000000001c R15: 0000000000000002 [ 61.170610] FS: 0000000000b62880(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000 [ 61.178813] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.184681] CR2: 0000000000000000 CR3: 00000000a5c85000 CR4: 00000000001406e0 [ 61.191949] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.199205] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.206456] Call Trace: [ 61.209025] inet_autobind+0xae/0x180 [ 61.212809] inet_dgram_connect+0x136/0x1e0 [ 61.217135] SYSC_connect+0x1f6/0x2d0 [ 61.220919] ? SYSC_bind+0x220/0x220 [ 61.224635] ? up_read+0x1a/0x40 [ 61.227993] ? __do_page_fault+0x358/0xb80 [ 61.232214] SyS_connect+0x24/0x30 [ 61.235729] ? SyS_accept+0x30/0x30 [ 61.239334] do_syscall_64+0x1e8/0x640 [ 61.243197] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 61.248019] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 61.253204] RIP: 0033:0x4401e9 [ 61.256367] RSP: 002b:00007ffd3c4a4878 EFLAGS: 00000246 ORIG_RAX: 000000000000002a [ 61.264058] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004401e9 [ 61.271745] RDX: 000000000000001c RSI: 0000000020000180 RDI: 0000000000000003 [ 61.278993] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 61.286242] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a70 [ 61.293489] R13: 0000000000401b00 R14: 0000000000000000 R15: 0000000000000000 [ 61.300761] Code: Bad RIP value. [ 61.304210] RIP: (null) RSP: ffff8880946efd48 [ 61.309560] CR2: 0000000000000000 [ 61.313672] ---[ end trace b997d1586062a66a ]--- [ 61.318431] Kernel panic - not syncing: Fatal exception [ 61.325127] Kernel Offset: disabled [ 61.328759] Rebooting in 86400 seconds..