Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. [ 12.804834][ C1] random: crng init done [ 12.809391][ C1] random: 7 urandom warning(s) missed due to ratelimiting Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.10.9' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 22.712084][ T163] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 22.802211][ T163] usb 1-1: Using ep0 maxpacket: 8 [ 22.922507][ T163] usb 1-1: config 0 has an invalid descriptor of length 36, skipping remainder of the config [ 22.933033][ T163] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 22.942118][ T163] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 22.953810][ T163] usb 1-1: config 0 descriptor?? [ 23.431661][ T163] uvcvideo: Found UVC 0.00 device (0bd3:0555) [ 23.438831][ T163] uvcvideo 1-1:0.0: Entity type for entity Й was not initialized! [ 23.448766][ T163] uvcvideo 1-1:0.0: Entity type for entity Processing 1 was not initialized! [ 23.458887][ T163] uvcvideo 1-1:0.0: Entity type for entity Input 255 was not initialized! [ 23.468795][ T163] ------------[ cut here ]------------ [ 23.474282][ T163] WARNING: CPU: 0 PID: 163 at drivers/media/mc/mc-entity.c:669 media_create_pad_link+0x500/0x650 [ 23.484766][ T163] Kernel panic - not syncing: panic_on_warn set ... [ 23.491339][ T163] CPU: 0 PID: 163 Comm: kworker/0:3 Not tainted 5.7.0-rc1-syzkaller #0 [ 23.499560][ T163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 23.509639][ T163] Workqueue: usb_hub_wq hub_event [ 23.514834][ T163] Call Trace: [ 23.518107][ T163] dump_stack+0xef/0x16e [ 23.522347][ T163] ? media_create_pad_link+0x420/0x650 [ 23.527805][ T163] panic+0x2aa/0x6e1 [ 23.531741][ T163] ? add_taint.cold+0x16/0x16 [ 23.536533][ T163] ? printk+0xba/0xed [ 23.540497][ T163] ? kmsg_dump_rewind_nolock+0xd9/0xd9 [ 23.545939][ T163] ? __warn.cold+0x14/0x30 [ 23.550355][ T163] ? __warn+0xd5/0x1c8 [ 23.554436][ T163] ? media_create_pad_link+0x500/0x650 [ 23.559894][ T163] __warn.cold+0x2f/0x30 [ 23.564231][ T163] ? media_create_pad_link+0x500/0x650 [ 23.569672][ T163] report_bug+0x27b/0x2f0 [ 23.574250][ T163] do_error_trap+0x12b/0x1e0 [ 23.578828][ T163] ? media_create_pad_link+0x500/0x650 [ 23.584265][ T163] do_invalid_op+0x32/0x40 [ 23.588691][ T163] ? media_create_pad_link+0x500/0x650 [ 23.594145][ T163] invalid_op+0x23/0x30 [ 23.598319][ T163] RIP: 0010:media_create_pad_link+0x500/0x650 [ 23.604374][ T163] Code: bc ea ff ff ff eb da e8 ee e0 37 fd 0f 0b 41 bc ea ff ff ff eb cb e8 df e0 37 fd 0f 0b 41 bc ea ff ff ff eb bc e8 d0 e0 37 fd <0f> 0b 41 bc ea ff ff ff eb ad e8 c1 e0 37 fd 0f 0b 41 bc ea ff ff [ 23.623975][ T163] RSP: 0018:ffff8881ce48ef70 EFLAGS: 00010293 [ 23.630030][ T163] RAX: ff