./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4200648691
<...>
forked to background, child pid 3179
no interfaces have a carrier
[ 21.812722][ T3180] 8021q: adding VLAN 0 to HW filter on device bond0
[ 21.822250][ T3180] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK
syzkaller
Warning: Permanently added '10.128.1.77' (ECDSA) to the list of known hosts.
execve("./syz-executor4200648691", ["./syz-executor4200648691"], 0x7fffe65db430 /* 10 vars */) = 0
brk(NULL) = 0x555557324000
brk(0x555557324c40) = 0x555557324c40
arch_prctl(ARCH_SET_FS, 0x555557324300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4200648691", 4096) = 28
brk(0x555557345c40) = 0x555557345c40
brk(0x555557346000) = 0x555557346000
mprotect(0x7f847544b000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
bpf(BPF_MAP_CREATE, {map_type=BPF_MAP_TYPE_UNSPEC, key_size=0, value_size=1, max_entries=257, map_flags=0, inner_map_fd=-1, map_name="", map_ifindex=0, btf_fd=-1, btf_key_type_id=0, btf_value_type_id=0, btf_vmlinux_value_type_id=0, map_extra=0}, 72) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3
ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffcf7bd27a0) = 0
ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 18
syzkaller login: [ 41.029388][ T6] usb 1-1: new high-speed USB device number 2 using dummy_hcd
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 18
[ 41.279388][ T6] usb 1-1: Using ep0 maxpacket: 8
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 9
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 70
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 4
[ 41.409470][ T6] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd1790) = 8
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27a0) = 0
ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0
ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffcf7bd1790) = 0
[ 41.509446][ T6] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0d55, bcdDevice=69.6a
[ 41.518498][ T6] usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0
[ 41.526597][ T6] usb 1-1: Manufacturer: syz
[ 41.533450][ T6] usb 1-1: config 0 descriptor??
ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffcf7bd27d0) = 0
ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffcf7bd17c0) = 4
[ 41.789615][ T6] usb 1-1: Found UVC 0.00 device <unnamed> (0bd3:0d55)
[ 41.796648][ T6] uvcvideo 1-1:0.0: Entity type for entity ΣΏ was not initialized!
[ 41.805129][ T6] ------------[ cut here ]------------
[ 41.810632][ T6] WARNING: CPU: 0 PID: 6 at drivers/media/mc/mc-entity.c:663 media_create_pad_link+0x4de/0x650
[ 41.821058][ T6] Modules linked in:
[ 41.824942][ T6] CPU: 0 PID: 6 Comm: kworker/0:0 Not tainted 5.19.0-syzkaller-02972-g200e340f2196 #0
[ 41.834523][ T6] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
[ 41.844602][ T6] Workqueue: usb_hub_wq hub_event
[ 41.849660][ T6] RIP: 0010:media_create_pad_link+0x4de/0x650
[ 41.855739][ T6] Code: 18 81 6e fb 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 01 81 6e fb 0f 0b 41 bc ea ff ff ff eb da e8 f2 80 6e fb <0f> 0b 41 bc ea ff ff ff eb cb e8 e3 80 6e fb 0f 0b 41 bc ea ff ff
[ 41.875670][ T6] RSP: 0018:ffffc900000b6ee0 EFLAGS: 00010293
[ 41.881763][ T6] RAX: 0000000000000000 RBX: ffff888077e0e080 RCX: 0000000000000000
[ 41.890192][ T6] RDX: ffff88813feb9d80 RSI: ffffffff860c58ce RDI: 0000000000000002
[ 41.898527][ T6] RBP: ffff88801feb8080 R08: 0000000000000002 R09: 0000000000000000
[ 41.906545][ T6] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[ 41.914976][ T6] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801feb8080
[ 41.922970][ T6] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[ 41.932032][ T6] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 41.938761][ T6] CR2: 0000559612093970 CR3: 0000000072734000 CR4: 0000000000350ef0
[ 41.946761][ T6] Call Trace:
[ 41.950062][ T6] <TASK>
[ 41.952981][ T6] uvc_mc_register_entities+0x5cd/0x910
[ 41.958515][ T6] uvc_probe.cold+0x1cc5/0x218d
[ 41.963389][ T6] ? lock_chain_count+0x20/0x20
[ 41.968250][ T6] ? find_held_lock+0x2d/0x110
[ 41.973097][ T6] usb_probe_interface+0x315/0x7f0
[ 41.978225][ T6] ? usb_match_dynamic_id+0x1a0/0x1a0
[ 41.983627][ T6] really_probe+0x23e/0xb90
exit_group(0) = ?
+++ exited with 0 +++
[ 41.988144][ T6] __driv