[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[ 31.774502] random: sshd: uninitialized urandom read (32 bytes read)
[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
syzkaller login: [ 34.922534] random: sshd: uninitialized urandom read (32 bytes read)
[ 35.417655] random: sshd: uninitialized urandom read (32 bytes read)
[ 36.763565] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.10.25' (ECDSA) to the list of known hosts.
[ 42.408521] random: sshd: uninitialized urandom read (32 bytes read)
2018/07/02 17:19:27 fuzzer started
[ 43.979714] random: cc1: uninitialized urandom read (8 bytes read)
2018/07/02 17:19:30 dialing manager at 10.128.0.26:36811
2018/07/02 17:19:34 syscalls: 1518
2018/07/02 17:19:34 code coverage: enabled
2018/07/02 17:19:34 comparison tracing: ioctl(KCOV_TRACE_CMP) failed: errno 524
2018/07/02 17:19:34 setuid sandbox: enabled
2018/07/02 17:19:34 namespace sandbox: enabled
2018/07/02 17:19:34 fault injection: enabled
2018/07/02 17:19:34 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2018/07/02 17:19:34 net packed injection: enabled
[ 51.510978] random: crng init done
[ 92.218731] ==================================================================
[ 92.226152] BUG: KMSAN: uninit-value in sg_init_one+0x1f7/0x290
[ 92.232202] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.17.0+ #16
[ 92.238497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 92.247829] Call Trace:
[ 92.250390]
[ 92.252542] dump_stack+0x185/0x1d0
[ 92.256144] kmsan_report+0x188/0x2a0
[ 92.259931] __msan_warning_32+0x70/0xc0
[ 92.263969] sg_init_one+0x1f7/0x290
[ 92.267661] try_fill_recv+0x6ed/0x2580
[ 92.271625] virtnet_poll+0xfe3/0x1420
[ 92.275489] ? refill_work+0x2c0/0x2c0
[ 92.279358] net_rx_action+0x766/0x1a80
[ 92.283317] ? net_tx_action+0xad0/0xad0
[ 92.287370] __do_softirq+0x592/0x979
[ 92.291151] irq_exit+0x207/0x240
[ 92.294583] exiting_irq+0xe/0x10
[ 92.298015] do_IRQ+0x17d/0x1c0
[ 92.301270] common_interrupt+0xf/0xf
[ 92.305042]
[ 92.307254] RIP: 0010:default_idle+0x20b/0x3e0
[ 92.311807] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffd9
[ 92.319490] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff8801fd032f18
[ 92.326733] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea00004212c0
[ 92.333994] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002
[ 92.341251] R10: 000000158a8fe7c0 R11: ffffffff89ff18c0 R12: ffffffff8ac0fe2f
[ 92.348502] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98
[ 92.355757] ? __cpuidle_text_start+0x8/0x8
[ 92.360062] ? __cpuidle_text_start+0x8/0x8
[ 92.364358] arch_cpu_idle+0x26/0x30
[ 92.368053] do_idle+0x36d/0x830
[ 92.371401] cpu_startup_entry+0x45/0x50
[ 92.375435] rest_init+0x1c1/0x1f0
[ 92.378951] ? hpet_time_init+0xa0/0xe0
[ 92.382904] start_kernel+0x1110/0x1120
[ 92.386856] x86_64_start_kernel+0xf0/0x100
[ 92.391159] secondary_startup_64+0xa5/0xb0
[ 92.395455]
[ 92.397059] Local variable description: ----list@net_rx_action
[ 92.403002] Variable was created at:
[ 92.406693] net_rx_action+0x6e/0x1a80
[ 92.410569] __do_softirq+0x592/0x979
[ 92.414338] ==================================================================
[ 92.421671] Disabling lock debugging due to kernel taint
[ 92.427094] Kernel panic - not syncing: panic_on_warn set ...
[ 92.427094]
[ 92.434448] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 4.17.0+ #16
[ 92.442059] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 92.451391] Call Trace:
[ 92.453949]
[ 92.456083] dump_stack+0x185/0x1d0
[ 92.459697] panic+0x3d0/0x990
[ 92.462891] kmsan_report+0x29e/0x2a0
[ 92.466669] __msan_warning_32+0x70/0xc0
[ 92.470719] sg_init_one+0x1f7/0x290
[ 92.474420] try_fill_recv+0x6ed/0x2580
[ 92.478460] virtnet_poll+0xfe3/0x1420
[ 92.482329] ? refill_work+0x2c0/0x2c0
[ 92.486200] net_rx_action+0x766/0x1a80
[ 92.490155] ? net_tx_action+0xad0/0xad0
[ 92.494207] __do_softirq+0x592/0x979
[ 92.497982] irq_exit+0x207/0x240
[ 92.501421] exiting_irq+0xe/0x10
[ 92.504859] do_IRQ+0x17d/0x1c0
[ 92.508113] common_interrupt+0xf/0xf
[ 92.511886]
[ 92.514111] RIP: 0010:default_idle+0x20b/0x3e0
[ 92.518666] RSP: 0018:ffffffff8ac0fd90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffd9
[ 92.526350] RAX: ffff8801fd432f18 RBX: 0000000000000000 RCX: ffff8801fd032f18
[ 92.533596] RDX: ffff8801fd032f18 RSI: aaaaaaaaaaaab000 RDI: ffffea00004212c0
[ 92.540930] RBP: ffffffff8ac0fdc8 R08: 0000000001080020 R09: 0000000000000002
[ 92.548184] R10: 000000158a8fe7c0 R11: ffffffff89ff18c0 R12: ffffffff8ac0fe2f
[ 92.555429] R13: ffffffff8ac372c0 R14: ffffffff8ac0fe2c R15: ffffffff8ac37b98
[ 92.562695] ? __cpuidle_text_start+0x8/0x8
[ 92.567011] ? __cpuidle_text_start+0x8/0x8
[ 92.571317] arch_cpu_idle+0x26/0x30
[ 92.575007] do_idle+0x36d/0x830
[ 92.578373] cpu_startup_entry+0x45/0x50
[ 92.582414] rest_init+0x1c1/0x1f0
[ 92.585932] ? hpet_time_init+0xa0/0xe0
[ 92.589895] start_kernel+0x1110/0x1120
[ 92.593849] x86_64_start_kernel+0xf0/0x100
[ 92.598154] secondary_startup_64+0xa5/0xb0
[ 92.603065] Dumping ftrace buffer:
[ 92.606589] (ftrace buffer empty)
[ 92.610279] Kernel Offset: disabled
[ 92.613880] Rebooting in 86400 seconds..