[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 11.721680] random: sshd: uninitialized urandom read (32 bytes read) [?25l[?1c7[ ok 8[?25h[?0c. [ 11.884153] random: sshd: uninitialized urandom read (32 bytes read) [ 12.036500] audit: type=1400 audit(1567653084.279:6): avc: denied { map } for pid=1764 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 [ 12.074408] random: sshd: uninitialized urandom read (32 bytes read) Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.37' (ECDSA) to the list of known hosts. syzkaller login: [ 18.195661] urandom_read: 2 callbacks suppressed [ 18.195666] random: sshd: uninitialized urandom read (32 bytes read) [ 18.295707] audit: type=1400 audit(1567653090.539:7): avc: denied { map } for pid=1776 comm="syz-executor820" path="/root/syz-executor820656217" 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 24.740499] ------------[ cut here ]------------ [ 24.745438] WARNING: CPU: 0 PID: 2187 at kernel/events/core.c:1690 add_event_to_ctx+0x84a/0xa70 [ 24.754262] Kernel panic - not syncing: panic_on_warn set ... [ 24.754262] [ 24.761739] CPU: 0 PID: 2187 Comm: syz-executor820 Not tainted 4.14.141+ #0 [ 24.768855] Call Trace: [ 24.771457] dump_stack+0xca/0x134 [ 24.774987] panic+0x1ea/0x3d3 [ 24.778162] ? add_taint.cold+0x16/0x16 [ 24.782191] ? add_event_to_ctx+0x84a/0xa70 [ 24.786510] ? __probe_kernel_read+0x163/0x1c0 [ 24.791079] ? add_event_to_ctx+0x84a/0xa70 [ 24.795383] __warn.cold+0x2f/0x3a [ 24.798906] ? add_event_to_ctx+0x84a/0xa70 [ 24.803211] report_bug+0x20a/0x248 [ 24.806828] do_error_trap+0x1bf/0x2d0 [ 24.810720] ? math_error+0x2d0/0x2d0 [ 24.814511] ? trace_hardirqs_on+0x10/0x10 [ 24.818732] ? __lock_acquire+0x5d7/0x4320 [ 24.822953] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.827804] invalid_op+0x18/0x40 [ 24.831240] RIP: 0010:add_event_to_ctx+0x84a/0xa70 [ 24.836266] RSP: 0018:ffff8881c43d7ae0 EFLAGS: 00010097 [ 24.841612] RAX: ffff8881ce0b8000 RBX: ffff8881ce074c80 RCX: 1ffff11039c35771 [ 24.848866] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: ffff8881ce074e88 [ 24.856144] RBP: ffff8881ce1aa200 R08: ffff88821ffff01c R09: ffff88821ffff008 [ 24.863400] R10: ffff88821ffff017 R11: ffff88821ffff010 R12: ffff8881db831fc0 [ 24.870740] R13: ffff8881ce1aa28c R14: ffff8881db82e8f0 R15: ffff8881ce1abb80 [ 24.878016] ? ctx_sched_out+0x2fe/0x680 [ 24.882078] __perf_install_in_context+0x241/0x2f0 [ 24.886992] ? __mutex_lock+0x8e2/0x13e0 [ 24.891224] ? ctx_resched+0x100/0x100 [ 24.895110] remote_function+0x110/0x190 [ 24.899167] ? perf_duration_warn+0x30/0x30 [ 24.903472] generic_exec_single+0x1b0/0x2e0 [ 24.907900] smp_call_function_single+0x103/0x340 [ 24.912744] ? perf_duration_warn+0x30/0x30 [ 24.917058] ? generic_exec_single+0x2e0/0x2e0 [ 24.921657] perf_install_in_context+0x2c6/0x320 [ 24.926400] ? add_event_to_ctx+0xa70/0xa70 [ 24.930723] ? ctx_resched+0x100/0x100 [ 24.934597] ? exclusive_event_installable+0x196/0x210 [ 24.939875] SyS_perf_event_open+0x19bb/0x2560 [ 24.944464] ? perf_bp_event+0x1a0/0x1a0 [ 24.948521] ? do_syscall_64+0x43/0x520 [ 24.952478] ? perf_bp_event+0x1a0/0x1a0 [ 24.956535] do_syscall_64+0x19b/0x520 [ 24.960428] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.965599] RIP: 0033:0x449699 [ 24.968773] RSP: 002b:00007f5ff2291ce8 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 24.976480] RAX: ffffffffffffffda RBX: 00000000006e49f8 RCX: 0000000000449699 [ 24.983733] RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000020000000 [ 24.990984] RBP: 00000000006e49f0 R08: 0000000000000000 R09: 0000000000000000 [ 24.998236] R10: 0000000000000003 R11: 0000000000000246 R12: 00000000006e49fc [ 25.005498] R13: 00007ffe704e8baf R14: 00007f5ff22929c0 R15: 00000000006e49fc [ 25.013638] Kernel Offset: 0x1ce00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 25.024574] Rebooting in 86400 seconds..