[info] Using makefile-style concurrent boot in runlevel 2. [ 15.794409][ C1] random: crng init done [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.81' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.973846][ T12] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 35.213826][ T12] usb 1-1: Using ep0 maxpacket: 16 [ 35.333946][ T12] usb 1-1: config 0 has an invalid interface number: 108 but max is 0 [ 35.342220][ T12] usb 1-1: config 0 has no interface number 0 [ 35.348392][ T12] usb 1-1: New USB device found, idVendor=0ccd, idProduct=0039, bcdDevice=ca.6a [ 35.357447][ T12] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 35.366653][ T12] usb 1-1: config 0 descriptor?? executing program [ 35.643987][ T12] usb 1-1: string descriptor 0 read error: -71 [ 35.652900][ T12] pvrusb2: Hardware description: Terratec Grabster AV400 [ 35.660088][ T12] pvrusb2: ********** [ 35.664112][ T12] pvrusb2: ***WARNING*** Support for this device (Terratec Grabster AV400) is experimental. [ 35.674241][ T12] pvrusb2: Important functionality might not be entirely working. [ 35.682038][ T12] pvrusb2: Please consider contacting the driver author to help with further stabilization of the driver. [ 35.693363][ T12] pvrusb2: ********** [ 35.714299][ T102] pvrusb2: Invalid write control endpoint [ 35.715513][ T12] usb 1-1: USB disconnect, device number 2 [ 35.731924][ T102] pvrusb2: Invalid write control endpoint [ 35.737826][ T102] pvrusb2: ***WARNING*** Detected a wedged cx25840 chip; the device will not work. [ 35.747239][ T102] pvrusb2: ***WARNING*** Try power cycling the pvrusb2 device. [ 35.754851][ T102] pvrusb2: ***WARNING*** Disabling further access to the device to prevent other foul-ups. [ 35.764928][ T102] pvrusb2: Device being rendered inoperable [ 35.771300][ T102] cx25840 0-0044: Unable to detect h/w, assuming cx23887 [ 35.778769][ T102] cx25840 0-0044: cx23887 A/V decoder found @ 0x88 (pvrusb2_a) [ 35.788258][ T102] pvrusb2: Attached sub-driver cx25840 [ 35.793848][ T102] pvrusb2: ***WARNING*** pvrusb2 device hardware appears to be jammed and I can't clear it. [ 35.803922][ T102] pvrusb2: You might need to power cycle the pvrusb2 device in order to recover. [ 35.818529][ T102] ------------[ cut here ]------------ [ 35.824088][ T102] sysfs group 'power' not found for kobject 'i2c-0' [ 35.830729][ T102] WARNING: CPU: 0 PID: 102 at fs/sysfs/group.c:278 sysfs_remove_group+0x155/0x1b0 [ 35.839895][ T102] Kernel panic - not syncing: panic_on_warn set ... [ 35.846465][ T102] CPU: 0 PID: 102 Comm: pvrusb2-context Not tainted 5.3.0+ #0 [ 35.853895][ T102] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.863930][ T102] Call Trace: [ 35.867291][ T102] dump_stack+0xca/0x13e [ 35.871514][ T102] ? sysfs_remove_group+0xe0/0x1b0 [ 35.876599][ T102] panic+0x2a3/0x6da [ 35.880471][ T102] ? add_taint.cold+0x16/0x16 [ 35.885126][ T102] ? __probe_kernel_read+0x188/0x1d0 [ 35.890391][ T102] ? __warn.cold+0x5/0x4a [ 35.894828][ T102] ? __warn+0xe3/0x1e0 [ 35.898885][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 35.904096][ T102] __warn.cold+0x20/0x4a [ 35.908352][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 35.913549][ T102] report_bug+0x262/0x2a0 [ 35.917864][ T102] do_error_trap+0x12b/0x1e0 [ 35.922432][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 35.927607][ T102] do_invalid_op+0x32/0x40 [ 35.932051][ T102] ? sysfs_remove_group+0x155/0x1b0 [ 35.937233][ T102] invalid_op+0x23/0x30 [ 35.941372][ T102] RIP: 0010:sysfs_remove_group+0x155/0x1b0 [ 35.947157][ T102] Code: 48 89 d9 49 8b 14 24 48 b8 00 00 00 00 00 fc ff df 48 c1 e9 03 80 3c 01 00 75 41 48 8b 33 48 c7 c7 a0 dc d0 85 e8 e0 67 8a ff <0f> 0b eb 95 e8 72 c4 db ff e9 d2 fe ff ff 48 89 df e8 65 c4 db ff [ 35.966837][ T102] RSP: 0018:ffff8881d5857c40 EFLAGS: 00010282 [ 35.972883][ T102] RAX: 0000000000000000 RBX: ffffffff85f33f80 RCX: 0000000000000000 [ 35.980833][ T102] RDX: 0000000000000000 RSI: ffffffff8128d3fd RDI: ffffed103ab0af7a [ 35.988801][ T102] RBP: 0000000000000000 R08: ffff8881d5e11800 R09: ffffed103b643ee7 [ 35.996757][ T102] R10: ffffed103b643ee6 R11: ffff8881db21f737 R12: ffff8881d2e68338 [ 36.004726][ T102] R13: ffffffff85f34520 R14: ffff8881d2e68900 R15: ffff8881d5e11800 [ 36.012686][ T102] ? vprintk_func+0x7d/0x113 [ 36.017260][ T102] dpm_sysfs_remove+0x97/0xb0 [ 36.021919][ T102] device_del+0x12a/0xb10 [ 36.026236][ T102] ? __pm_runtime_disable+0x148/0x3d0 [ 36.031591][ T102] ? __device_links_no_driver+0x240/0x240 [ 36.037286][ T102] ? pm_runtime_barrier+0x260/0x260 [ 36.042484][ T102] ? lockdep_init_map+0x1b0/0x5e0 [ 36.047506][ T102] ? lockdep_init_map+0x1b0/0x5e0 [ 36.052511][ T102] device_unregister+0x11/0x30 [ 36.057257][ T102] i2c_del_adapter+0x42b/0x590 [ 36.063089][ T102] ? del_timer_sync+0x11e/0x130 [ 36.067933][ T102] pvr2_i2c_core_done+0x69/0xb6 [ 36.072761][ T102] pvr2_hdw_destroy+0x179/0x370 [ 36.077591][ T102] pvr2_context_destroy+0x84/0x230 [ 36.082684][ T102] pvr2_context_thread_func+0x657/0x860 [ 36.088229][ T102] ? lock_acquire+0x127/0x320 [ 36.092897][ T102] ? pvr2_context_destroy+0x230/0x230 [ 36.098252][ T102] ? finish_wait+0x260/0x260 [ 36.102825][ T102] ? lockdep_hardirqs_on+0x382/0x580 [ 36.108086][ T102] ? __kthread_parkme+0x10a/0x1c0 [ 36.113096][ T102] ? pvr2_context_destroy+0x230/0x230 [ 36.118467][ T102] kthread+0x318/0x420 [ 36.122524][ T102] ? kthread_create_on_node+0xf0/0xf0 [ 36.127889][ T102] ret_from_fork+0x24/0x30 [ 36.133059][ T102] Kernel Offset: disabled [ 36.137408][ T102] Rebooting in 86400 seconds..