[ OK ] Listening on Load/Save RF Kill Switch Status /dev/rfkill Watch. [ OK ] Started Getty on tty6. [ OK ] Started Getty on tty5. [ OK ] Started Getty on tty4. [ OK ] Started Getty on tty3. [ OK ] Started Getty on tty2. [ OK ] Started Getty on tty1. [ OK ] Started Serial Getty on ttyS0. [ OK ] Reached target Login Prompts. [ OK ] Reached target Multi-User System. [ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Warning: Permanently added '10.128.0.93' (ECDSA) to the list of known hosts. executing program [ 64.969937][ T37] audit: type=1400 audit(1625727476.770:8): avc: denied { execmem } for pid=8443 comm="syz-executor148" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 65.237385][ T27] usb 1-1: new high-speed USB device number 2 using dummy_hcd Debian GNU/Linux 9 syzkaller ttyS0 syzkaller login: [ 65.477345][ T27] usb 1-1: Using ep0 maxpacket: 8 [ 65.597486][ T27] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 65.607630][ T27] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 65.616797][ T27] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 65.629513][ T27] usb 1-1: config 0 descriptor?? [ 65.887479][ T27] usb 1-1: language id specifier not provided by device, defaulting to English [ 66.107519][ T27] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 66.114561][ T27] uvcvideo 1-1:0.0: Entity type for entity 裼驯⇱龾极젭涋咓ష┒ was not initialized! [ 66.125856][ T27] ------------[ cut here ]------------ [ 66.131635][ T27] WARNING: CPU: 1 PID: 27 at drivers/media/mc/mc-entity.c:670 media_create_pad_link+0x503/0x660 [ 66.142537][ T27] Modules linked in: [ 66.146425][ T27] CPU: 1 PID: 27 Comm: kworker/1:1 Tainted: G W 5.13.0-syzkaller #0 [ 66.156105][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 66.166517][ T27] Workqueue: usb_hub_wq hub_event [ 66.171701][ T27] RIP: 0010:media_create_pad_link+0x503/0x660 [ 66.177898][ T27] Code: bc ea ff ff ff eb da e8 5b 86 a5 fb 0f 0b 41 bc ea ff ff ff eb cb e8 4c 86 a5 fb 0f 0b 41 bc ea ff ff ff eb bc e8 3d 86 a5 fb <0f> 0b 41 bc ea ff ff ff eb ad e8 2e 86 a5 fb 0f 0b 41 bc ea ff ff [ 66.197671][ T27] RSP: 0018:ffffc90001036ef0 EFLAGS: 00010293 [ 66.203742][ T27] RAX: 0000000000000000 RBX: ffff888031edf080 RCX: 0000000000000000 [ 66.212041][ T27] RDX: ffff88801195a340 RSI: ffffffff85cf3893 RDI: 0000000000000003 [ 66.220224][ T27] RBP: ffff88802f957080 R08: 0000000000000000 R09: 0000000000000000 [ 66.228328][ T27] R10: ffffffff85cf34bb R11: 0000000000000001 R12: 0000000000000000 [ 66.236305][ T27] R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000 [ 66.244500][ T27] FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 66.253690][ T27] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 66.260681][ T27] CR2: 0000557e783b1a88 CR3: 0000000031a52000 CR4: 00000000001506e0 [ 66.268811][ T27] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 66.276894][ T27] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 66.285049][ T27] Call Trace: [ 66.288467][ T27] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 66.294200][ T27] uvc_mc_register_entities+0x5cd/0x910 [ 66.299866][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 66.306128][ T27] uv