forked to background, child pid 3179 no interfaces have a carrier [ 24.780165][ T3180] 8021q: adding VLAN 0 to HW filter on device bond0 [ 24.795219][ T3180] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.23' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 40.217041][ T7] usb 1-1: new high-speed USB device number 2 using dummy_hcd [ 40.457010][ T7] usb 1-1: Using ep0 maxpacket: 8 [ 40.577261][ T7] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config [ 40.687326][ T7] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0555, bcdDevice=69.6a [ 40.696681][ T7] usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0 [ 40.705575][ T7] usb 1-1: Manufacturer: syz [ 40.714608][ T7] usb 1-1: config 0 descriptor?? [ 40.977344][ T7] usb 1-1: Found UVC 0.00 device (0bd3:0555) [ 40.984867][ T7] uvcvideo 1-1:0.0: Entity type for entity ᐇ was not initialized! [ 40.994093][ T7] ------------[ cut here ]------------ [ 40.999938][ T7] WARNING: CPU: 0 PID: 7 at drivers/media/mc/mc-entity.c:667 media_create_pad_link+0x4e5/0x660 [ 41.011360][ T7] Modules linked in: [ 41.015349][ T7] CPU: 0 PID: 7 Comm: kworker/0:1 Not tainted 5.16.0-rc6-syzkaller #0 [ 41.023662][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.033778][ T7] Workqueue: usb_hub_wq hub_event [ 41.039228][ T7] RIP: 0010:media_create_pad_link+0x4e5/0x660 [ 41.045396][ T7] Code: f1 44 91 fb 44 89 e0 48 83 c4 20 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 da 44 91 fb 0f 0b 41 bc ea ff ff ff eb da e8 cb 44 91 fb <0f> 0b 41 bc ea ff ff ff eb cb e8 bc 44 91 fb 0f 0b 41 bc ea ff ff [ 41.065686][ T7] RSP: 0018:ffffc90000cc6ef8 EFLAGS: 00010293 [ 41.072115][ T7] RAX: 0000000000000000 RBX: ffff88801c71b080 RCX: 0000000000000000 [ 41.080344][ T7] RDX: ffff888010e6ba00 RSI: ffffffff85e65df5 RDI: 0000000000000003 [ 41.088514][ T7] RBP: ffff88801c71a880 R08: 0000000000000003 R09: 0000000000000001 [ 41.096470][ T7] R10: ffffffff85e65985 R11: 0000000000000000 R12: 0000000000000001 [ 41.104826][ T7] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801c71a880 [ 41.112822][ T7] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 41.121781][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.128409][ T7] CR2: 00007ffc9eda8af0 CR3: 00000000730c6000 CR4: 0000000000350ef0 [ 41.136473][ T7] Call Trace: [ 41.139896][ T7] [ 41.142826][ T7] ? v4l2_device_register_subdev+0x421/0x640 [ 41.148855][ T7] ? __sanitizer_cov_trace_cmp4+0x1c/0x70 [ 41.154678][ T7] uvc_mc_register_entities+0x5cd/0x910 [ 41.160295][ T7] uvc_probe.cold+0x2afb/0x3389 [ 41.165170][ T7] ? lock_chain_count+0x20/0x20 [ 41.170077][ T7] ? find_held_lock+0x2d/0x110 [ 41.174859][ T7] ? mark_held_locks+