./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor743458808 <...> Warning: Permanently added '10.128.0.102' (ECDSA) to the list of known hosts. execve("./syz-executor743458808", ["./syz-executor743458808"], 0x7ffd76ae44d0 /* 10 vars */) = 0 brk(NULL) = 0x555555829000 brk(0x555555829c40) = 0x555555829c40 arch_prctl(ARCH_SET_FS, 0x555555829300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor743458808", 4096) = 27 brk(0x55555584ac40) = 0x55555584ac40 brk(0x55555584b000) = 0x55555584b000 mprotect(0x7f5362e8b000, 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, 0x7ffe2496dab0) = 0 ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 18 [ 48.148869][ T14] usb 1-1: new high-speed USB device number 2 using dummy_hcd ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 18 [ 48.388836][ T14] usb 1-1: Using ep0 maxpacket: 8 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 9 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 70 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 4 [ 48.509523][ T14] usb 1-1: config 0 has an invalid descriptor of length 0, skipping remainder of the config ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496caa0) = 8 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dab0) = 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, 0x7ffe2496caa0) = 0 [ 48.599300][ T14] usb 1-1: New USB device found, idVendor=0bd3, idProduct=0d55, bcdDevice=69.6a [ 48.608484][ T14] usb 1-1: New USB device strings: Mfr=64, Product=0, SerialNumber=0 [ 48.616855][ T14] usb 1-1: Manufacturer: syz [ 48.629532][ T14] usb 1-1: config 0 descriptor?? ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffe2496dae0) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffe2496cad0) = 4 [ 48.889284][ T14] usb 1-1: Found UVC 0.00 device (0bd3:0d55) [ 48.896423][ T14] uvcvideo 1-1:0.0: Entity type for entity ΣΏ was not initialized! [ 48.905166][ T14] ------------[ cut here ]------------ [ 48.910650][ T14] WARNING: CPU: 0 PID: 14 at drivers/media/mc/mc-entity.c:663 media_create_pad_link+0x4de/0x650 [ 48.921135][ T14] Modules linked in: [ 48.925035][ T14] CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 5.19.0-rc5-syzkaller-00200-ga471da3100ef #0 [ 48.935047][ T14] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 [ 48.945142][ T14] Workqueue: usb_hub_wq hub_event [ 48.950235][ T14] RIP: 0010:media_create_pad_link+0x4de/0x650 [ 48.956321][ T14] Code: 88 2c 6e fb 44 89 e0 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 71 2c 6e fb 0f 0b 41 bc ea ff ff ff eb da e8 62 2c 6e fb <0f> 0b 41 bc ea ff ff ff eb cb e8 53 2c 6e fb 0f 0b 41 bc ea ff ff [ 48.975994][ T14] RSP: 0018:ffffc90000136ee0 EFLAGS: 00010293 [ 48.982094][ T14] RAX: 0000000000000000 RBX: ffff88801c616880 RCX: 0000000000000000 [ 48.990143][ T14] RDX: ffff888011a81d80 RSI: ffffffff860c3a2e RDI: 0000000000000002 [ 48.998135][ T14] RBP: ffff88801c617080 R08: 0000000000000002 R09: 0000000000000000 [ 49.006169][ T14] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 49.014186][ T14] R13: 0000000000000000 R14: 0000000000000000 R15: ffff88801c617080 [ 49.022193][ T14] FS: 0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 [ 49.031186][ T14] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.037763][ T14] CR2: 00007fbd4535f111 CR3: 0000000072a15000 CR4: 00000000003506f0 [ 49.045791][ T14] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 49.053828][ T14] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 49.061835][ T14] Call Trace: [ 49.065116][ T14] [ 49.068043][ T14] uvc_mc_register_entities+0x5cd/0x910 [ 49.073671][ T14] uvc_probe.cold+0x1cc5/0x218d [ 49.078542][ T14] ? lock_chain_count+0x20/0x20 [ 49.083457][ T14] ? find_held_lock+0x2d/0x110 exit_group(0) = ? +++ exited with 0 +++ [ 49.088257][ T14] usb