[info] Using makefile-style concurrent boot in runlevel 2. [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 15.053135][ C1] random: crng init done [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.211' (ECDSA) to the list of known hosts. 2019/09/03 12:58:01 fuzzer started 2019/09/03 12:58:02 dialing manager at 10.128.0.105:43075 2019/09/03 12:58:02 syscalls: 84 2019/09/03 12:58:02 code coverage: enabled 2019/09/03 12:58:02 comparison tracing: enabled 2019/09/03 12:58:02 extra coverage: enabled 2019/09/03 12:58:02 setuid sandbox: enabled 2019/09/03 12:58:02 namespace sandbox: enabled 2019/09/03 12:58:02 Android sandbox: /sys/fs/selinux/policy does not exist 2019/09/03 12:58:02 fault injection: enabled 2019/09/03 12:58:02 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/09/03 12:58:02 net packet injection: /dev/net/tun can't be opened (open /dev/net/tun: no such device) 2019/09/03 12:58:02 net device setup: enabled 12:58:03 executing program 0: syz_usb_connect(0x0, 0xcf, &(0x7f0000000080)=ANY=[@ANYBLOB="12010000f270c820711f0633898b000000010902bd00010000000009043f0000fafaf000092406000078828a9605240002000d240f0101800000010108000139241303bdf210f1c4bcb3cd8dad6e6a838065b3ccc88255f31f831e84ff2efdedfc1da30fae018999d0c50634ff4fce84aa052148090f62361524127f00a317a88b045e4f01a607c0ffcb7e392a07240af301050105240102d908241c01001e02000a24060000140ca5548e05240009000d240f018100000085000100100c241b0400000008c101010906241afdff03"], 0x0) 12:58:03 executing program 2: r0 = syz_open_dev$hidraw(&(0x7f0000000040)='/dev/hidraw#\x00', 0x0, 0x0) ioctl$HIDIOCGRAWINFO(r0, 0x80084803, &(0x7f0000000080)=""/15) r1 = syz_open_dev$hidraw(&(0x7f0000000000)='/dev/../raw#\x00', 0x0, 0x0) ioctl$HIDIOCAPPLICATION(r1, 0xc020660b, 0x712d3c) 12:58:03 executing program 5: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000000)={{0x12, 0x1, 0x0, 0x74, 0x1a, 0xde, 0x8, 0x586, 0x341f, 0xe797, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x5c, 0x0, 0x2, 0xff, 0xff, 0xff, 0x0, [], [{{0x9, 0x5, 0x8a}}, {{0x9, 0x5, 0x5}}]}}]}}]}}, 0x0) syz_usb_control_io(r0, &(0x7f0000000240)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000880)={0xac, &(0x7f0000000280)={0x0, 0x0, 0x3, "e0b2fb"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000680)={0x40, 0xf, 0x6}, 0x0, &(0x7f0000000700)={0x40, 0x17, 0x2}, 0x0, 0x0, 0x0, &(0x7f0000000800)={0x40, 0x1e, 0x1}}) syz_usb_control_io(r0, &(0x7f00000039c0)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000004200)={0xb4, &(0x7f0000003a00)={0x0, 0x0, 0x1, "d4"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) 12:58:03 executing program 3: r0 = syz_usb_connect$hid(0x0, 0x33, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000406d041cc340000000000109022100010000a0000904000001030101000621000000000905810300000000009b31da2227118ff6ec8a86"], 0x0) syz_usb_ep_write(r0, 0x0, 0x38, 0x0) 12:58:03 executing program 4: r0 = syz_usb_connect(0x0, 0x36, &(0x7f0000000040)={{0x12, 0x1, 0x0, 0x7d, 0xce, 0xbb, 0x8, 0xfe6, 0x9700, 0x8948, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xa3, 0x0, 0x2, 0x5d, 0xb9, 0x16, 0x0, [], [{{0x9, 0x5, 0x7, 0x2}}, {{0x9, 0x5, 0x8c, 0x2}}]}}]}}]}}, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000240)={0x24, 0x0, 0x0, 0x0, 0x0}, &(0x7f0000000500)={0x2c, &(0x7f0000000280)=ANY=[], 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, &(0x7f0000000200)={0x2c, 0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, &(0x7f0000000800)={0x14, 0x0, &(0x7f00000007c0)={0x0, 0x3, 0x2, @string={0x2}}}, &(0x7f0000000b40)={0x34, &(0x7f0000000840)={0x0, 0x16, 0x37, "1e74050495fc4a868dfdfe41851d84ebc7bc56a371bf71a47645e117277d74937755c33b914b5fc23dc9b5dd13317965c4b0fd222bf6b2"}, &(0x7f0000000940)={0x0, 0xa, 0x1}, &(0x7f0000000980)={0x0, 0x8, 0x1, 0x401}, 0x0, 0x0, 0x0}) 12:58:03 executing program 1: syz_open_dev$evdev(&(0x7f0000000000)='/dev/input/event#\x00', 0x2, 0x0) r0 = syz_open_dev$hidraw(0x0, 0x0, 0x200000000002406) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f0000000180)={0x0, 0x0, 0x0, {0x0, 0x1}, {0x7f, 0x2}, @rumble}) write$hidraw(r0, &(0x7f0000000040)="06", 0xff68) syzkaller login: [ 28.315539][ T1740] cgroup1: Unknown subsys name 'perf_event' [ 28.332307][ T1740] cgroup1: Unknown subsys name 'net_cls' [ 28.393960][ T1743] cgroup1: Unknown subsys name 'perf_event' [ 28.400654][ T1743] cgroup1: Unknown subsys name 'net_cls' [ 28.422515][ T1745] cgroup1: Unknown subsys name 'perf_event' [ 28.433286][ T1747] cgroup1: Unknown subsys name 'perf_event' [ 28.442394][ T1745] cgroup1: Unknown subsys name 'net_cls' [ 28.450567][ T1747] cgroup1: Unknown subsys name 'net_cls' [ 28.458043][ T1750] cgroup1: Unknown subsys name 'perf_event' [ 28.467831][ T1750] cgroup1: Unknown subsys name 'net_cls' [ 28.488352][ T1759] cgroup1: Unknown subsys name 'perf_event' [ 28.494978][ T1759] cgroup1: Unknown subsys name 'net_cls' 12:58:06 executing program 2: syz_usb_connect(0x0, 0x24, &(0x7f0000000300)=ANY=[@ANYBLOB="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"], 0x0) [ 31.631981][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 31.672168][ C0] ------------[ cut here ]------------ [ 31.677797][ C0] WARNING: CPU: 0 PID: 0 at kernel/kcov.c:684 kcov_remote_start.cold+0xc/0x26 [ 31.686628][ C0] Kernel panic - not syncing: panic_on_warn set ... [ 31.693207][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.3.0-rc7+ #0 [ 31.700302][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.710343][ C0] Call Trace: [ 31.713613][ C0] [ 31.716450][ C0] dump_stack+0xca/0x13e [ 31.720682][ C0] ? kcov_remote_stop+0x110/0x1bc [ 31.725689][ C0] panic+0x2a3/0x6da [ 31.729560][ C0] ? add_taint.cold+0x16/0x16 [ 31.734233][ C0] ? __probe_kernel_read+0x188/0x1d0 [ 31.739500][ C0] ? __warn.cold+0x5/0x4a [ 31.743803][ C0] ? __warn+0xe3/0x1e0 [ 31.747845][ C0] ? kcov_remote_start.cold+0xc/0x26 [ 31.753151][ C0] __warn.cold+0x20/0x4a [ 31.757389][ C0] ? __irq_work_queue_local+0xa3/0xe0 [ 31.762755][ C0] ? kcov_remote_start.cold+0xc/0x26 [ 31.768019][ C0] report_bug+0x262/0x2a0 [ 31.772329][ C0] do_error_trap+0x12b/0x1e0 [ 31.776897][ C0] ? kcov_remote_start.cold+0xc/0x26 [ 31.782330][ C0] do_invalid_op+0x32/0x40 [ 31.787076][ C0] ? kcov_remote_start.cold+0xc/0x26 [ 31.792343][ C0] invalid_op+0x23/0x30 [ 31.796486][ C0] RIP: 0010:kcov_remote_start.cold+0xc/0x26 [ 31.802443][ C0] Code: b0 f8 ff ff 48 c7 c7 d8 dd a4 86 e8 54 93 ea ff 0f 0b 5b 4c 89 e7 5d 41 5c e9 9d e7 2f 04 48 c7 c7 d8 dd a4 86 e8 3a 93 ea ff <0f> 0b e9 93 fd ff ff 48 c7 c7 d8 dd a4 86 e8 27 93 ea ff 0f 0b e9 [ 31.822023][ C0] RSP: 0018:ffff8881db209ae8 EFLAGS: 00010082 [ 31.828070][ C0] RAX: 0000000000000024 RBX: ffff8881d55ef700 RCX: 0000000000000000 [ 31.836026][ C0] RDX: 0000000000000000 RSI: ffffffff81288ddd RDI: ffffed103b64134f [ 31.843986][ C0] RBP: ffff8881d55ef700 R08: 0000000000000024 R09: ffffed103b645d58 [ 31.851934][ C0] R10: ffffed103b645d57 R11: ffff8881db22eabf R12: ffff8881c9b4f488 [ 31.859882][ C0] R13: ffff8881d76cc238 R14: dffffc0000000000 R15: ffff8881b14f8400 [ 31.867838][ C0] ? vprintk_func+0x7d/0x113 [ 31.872406][ C0] ? kcov_remote_start.cold+0xc/0x26 [ 31.877667][ C0] dummy_timer+0x125f/0x301a [ 31.882267][ C0] ? lock_acquire+0x127/0x320 [ 31.886918][ C0] ? dummy_udc_probe+0x930/0x930 [ 31.891836][ C0] call_timer_fn+0x179/0x650 [ 31.896407][ C0] ? dummy_udc_probe+0x930/0x930 [ 31.901321][ C0] ? msleep_interruptible+0x130/0x130 [ 31.906665][ C0] ? do_raw_spin_lock+0x11a/0x280 [ 31.911663][ C0] ? _raw_spin_unlock_irq+0x24/0x30 [ 31.916847][ C0] ? dummy_udc_probe+0x930/0x930 [ 31.921771][ C0] run_timer_softirq+0x5cc/0x14b0 [ 31.926775][ C0] ? add_timer+0x7a0/0x7a0 [ 31.931222][ C0] ? ktime_get+0x162/0x1c0 [ 31.935617][ C0] ? lapic_next_event+0x4d/0x80 [ 31.940453][ C0] __do_softirq+0x221/0x912 [ 31.944934][ C0] irq_exit+0x178/0x1a0 [ 31.949072][ C0] smp_apic_timer_interrupt+0x12f/0x500 [ 31.954612][ C0] apic_timer_interrupt+0xf/0x20 [ 31.959529][ C0] [ 31.962458][ C0] RIP: 0010:default_idle+0x28/0x2e0 [ 31.967633][ C0] Code: 90 90 41 56 41 55 65 44 8b 2d 54 d8 93 7a 41 54 55 53 0f 1f 44 00 00 e8 46 49 d5 fb e9 07 00 00 00 0f 00 2d ea 7d 54 00 fb f4 <65> 44 8b 2d 30 d8 93 7a 0f 1f 44 00 00 5b 5d 41 5c 41 5d 41 5e c3 [ 31.987211][ C0] RSP: 0018:ffffffff86c07da8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 31.995605][ C0] RAX: 0000000000000007 RBX: ffffffff86c2b200 RCX: 0000000000000000 [ 32.003648][ C0] RDX: 0000000000000000 RSI: 0000000000000006 RDI: ffffffff86c2ba44 [ 32.011602][ C0] RBP: fffffbfff0d85640 R08: ffffffff86c2b200 R09: 0000000000000000 [ 32.019551][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.027512][ C0] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.035475][ C0] ? default_idle+0x1a/0x2e0 [ 32.040045][ C0] do_idle+0x3c2/0x4f0 [ 32.044099][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 32.049111][ C0] cpu_startup_entry+0x14/0x20 [ 32.053853][ C0] start_kernel+0x838/0x872 [ 32.058348][ C0] ? mem_encrypt_init+0x5/0x5 [ 32.063009][ C0] ? x86_family+0x3d/0x50 [ 32.067351][ C0] ? load_ucode_bsp+0x23d/0x27d [ 32.072176][ C0] secondary_startup_64+0xa4/0xb0 [ 32.077856][ C0] Kernel Offset: disabled [ 32.082205][ C0] Rebooting in 86400 seconds..