Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. [ 27.116080] random: sshd: uninitialized urandom read (32 bytes read) executing program [ 27.220212] WARNING: CPU: 0 PID: 4491 at include/net/sock.h:644 smc_unhash_sk+0x345/0x4a0 [ 27.228615] Kernel panic - not syncing: panic_on_warn set ... [ 27.228615] [ 27.235964] CPU: 0 PID: 4491 Comm: syz-executor551 Not tainted 4.17.0-rc3+ #37 [ 27.243302] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 27.252631] Call Trace: [ 27.255202] dump_stack+0x1b9/0x294 [ 27.258812] ? dump_stack_print_info.cold.2+0x52/0x52 [ 27.263992] ? smc_unhash_sk+0x320/0x4a0 [ 27.268046] panic+0x22f/0x4de [ 27.271220] ? add_taint.cold.5+0x16/0x16 [ 27.275350] ? __warn.cold.8+0x148/0x1b3 [ 27.279390] ? __warn.cold.8+0x117/0x1b3 [ 27.283430] ? smc_unhash_sk+0x345/0x4a0 [ 27.287469] __warn.cold.8+0x163/0x1b3 [ 27.291337] ? smc_unhash_sk+0x345/0x4a0 [ 27.295382] report_bug+0x252/0x2d0 [ 27.298990] do_error_trap+0x1de/0x490 [ 27.302860] ? graph_lock+0x170/0x170 [ 27.306641] ? math_error+0x420/0x420 [ 27.310426] ? lock_acquire+0x1dc/0x520 [ 27.314383] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.319205] do_invalid_op+0x1b/0x20 [ 27.322899] invalid_op+0x14/0x20 [ 27.326332] RIP: 0010:smc_unhash_sk+0x345/0x4a0 [ 27.330975] RSP: 0018:ffff8801cf0b7488 EFLAGS: 00010293 [ 27.336319] RAX: ffff8801ad54e100 RBX: ffff8801d97367c0 RCX: ffffffff873f756e [ 27.343568] RDX: 0000000000000000 RSI: ffffffff873f7625 RDI: 0000000000000005 [ 27.350844] RBP: ffff8801cf0b7570 R08: ffff8801ad54e100 R09: ffffed003b2e6d08 [ 27.358094] R10: ffffed003b2e6d08 R11: ffff8801d9736843 R12: 1ffff10039e16e95 [ 27.365341] R13: ffff8801cf0b7548 R14: ffffffff8970b1e0 R15: ffff8801d9736840 [ 27.372598] ? smc_unhash_sk+0x28e/0x4a0 [ 27.376640] ? smc_unhash_sk+0x345/0x4a0 [ 27.380682] ? smc_unhash_sk+0x345/0x4a0 [ 27.384724] ? smc_rx_data_available+0x100/0x100 [ 27.389459] ? release_sock+0x1e2/0x2b0 [ 27.393413] ? __local_bh_enable_ip+0x161/0x230 [ 27.398067] ? __release_sock+0x3a0/0x3a0 [ 27.402198] ? smc_release+0x269/0x610 [ 27.406068] ? trace_hardirqs_on+0xd/0x10 [ 27.410198] ? __local_bh_enable_ip+0x161/0x230 [ 27.414847] smc_release+0x36e/0x610 [ 27.418544] sock_release+0x96/0x1b0 [ 27.422236] ? sock_alloc_file+0x4e0/0x4e0 [ 27.426452] sock_close+0x16/0x20 [ 27.429888] __fput+0x34d/0x890 [ 27.433149] ? fput+0x1a0/0x1a0 [ 27.436410] ? _raw_spin_unlock_irq+0x27/0x70 [ 27.440884] ____fput+0x15/0x20 [ 27.444144] task_work_run+0x1e4/0x290 [ 27.448018] ? task_work_cancel+0x240/0x240 [ 27.452329] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 27.457846] ? switch_task_namespaces+0xa2/0xd0 [ 27.462499] do_exit+0x1aee/0x2730 [ 27.466036] ? mm_update_next_owner+0x980/0x980 [ 27.470693] ? lock_downgrade+0x8e0/0x8e0 [ 27.474819] ? noop_count+0x40/0x40 [ 27.478427] ? lock_pin_lock+0x350/0x350 [ 27.482474] ? kasan_check_read+0x11/0x20 [ 27.486601] ? rcu_is_watching+0x85/0x140 [ 27.490755] ? rcu_bh_force_quiescent_state+0x20/0x20 [ 27.495932] ? is_bpf_text_address+0xd7/0x170 [ 27.500411] ? check_usage_backwards+0x151/0x3a0 [ 27.505146] ? graph_lock+0x170/0x170 [ 27.508927] ? graph_lock+0x170/0x170 [ 27.512713] ? find_held_lock+0x36/0x1c0 [ 27.516760] ? lock_downgrade+0x8e0/0x8e0 [ 27.520904] ? kasan_check_read+0x11/0x20 [ 27.525042] ? do_raw_spin_unlock+0x9e/0x2e0 [ 27.529435] ? __local_bh_enable_ip+0x161/0x230 [ 27.534088] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 27.539092] ? release_sock+0x1e2/0x2b0 [ 27.543052] ? trace_hardirqs_on+0xd/0x10 [ 27.547183] ? __local_bh_enable_ip+0x161/0x230 [ 27.551834] ? _raw_spin_unlock_bh+0x30/0x40 [ 27.556220] ? release_sock+0x1e2/0x2b0 [ 27.560174] ? __release_sock+0x3a0/0x3a0 [ 27.564304] ? __local_bh_enable_ip+0x161/0x230 [ 27.568961] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 27.574133] ? smc_setsockopt+0x1ed/0x630 [ 27.578266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 27.583784] ? __sys_setsockopt+0x24f/0x390 [ 27.588091] do_group_exit+0x16f/0x430 [ 27.591964] ? mm_fault_error+0x380/0x380 [ 27.596091] ? __ia32_sys_exit+0x50/0x50 [ 27.600147] ? do_syscall_64+0x92/0x800 [ 27.604103] __x64_sys_exit_group+0x3e/0x50 [ 27.608404] do_syscall_64+0x1b1/0x800 [ 27.612274] ? syscall_return_slowpath+0x5c0/0x5c0 [ 27.617184] ? syscall_return_slowpath+0x30f/0x5c0 [ 27.622097] ? entry_SYSCALL_64_after_hwframe+0x59/0xbe [ 27.627442] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 27.632268] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 27.637436] RIP: 0033:0x43e8d8 [ 27.640605] RSP: 002b:00007ffe6eb140f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 27.648293] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043e8d8 [ 27.655540] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 27.662789] RBP: 00000000004be280 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 27.670044] R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000001 [ 27.677301] R13: 00000000006cc160 R14: 0000000000000000 R15: 0000000000000000 [ 27.685275] Dumping ftrace buffer: [ 27.688929] (ftrace buffer empty) [ 27.692617] Kernel Offset: disabled [ 27.696227] Rebooting in 86400 seconds..