./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1198539135 <...> Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. execve("./syz-executor1198539135", ["./syz-executor1198539135"], 0x7ffc1b244bd0 /* 10 vars */) = 0 brk(NULL) = 0x555577583000 brk(0x555577583d00) = 0x555577583d00 arch_prctl(ARCH_SET_FS, 0x555577583380) = 0 set_tid_address(0x555577583650) = 296 set_robust_list(0x555577583660, 24) = 0 rseq(0x555577583ca0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor1198539135", 4096) = 28 getrandom("\xab\x28\xac\xdd\x62\xff\x5a\xec", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555577583d00 brk(0x5555775a4d00) = 0x5555775a4d00 brk(0x5555775a5000) = 0x5555775a5000 mprotect(0x7f66e710e000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0executing program ) = 0x200001000000 write(1, "executing program\n", 18) = 18 openat(AT_FDCWD, "/dev/raw-gadget", O_RDWR) = 3 ioctl(3, USB_RAW_IOCTL_INIT, 0x7ffd10bc4950) = 0 ioctl(3, UI_DEV_CREATE or USB_RAW_IOCTL_RUN, 0) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 [ 24.162109][ T36] audit: type=1400 audit(1752493283.380:64): avc: denied { execmem } for pid=296 comm="syz-executor119" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.182073][ T36] audit: type=1400 audit(1752493283.380:65): avc: denied { read write } for pid=296 comm="syz-executor119" name="raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 [ 24.206050][ T36] audit: type=1400 audit(1752493283.380:66): avc: denied { open } for pid=296 comm="syz-executor119" path="/dev/raw-gadget" dev="devtmpfs" ino=190 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 24.229870][ T36] audit: type=1400 audit(1752493283.380:67): avc: denied { ioctl } for pid=296 comm="syz-executor119" path="/dev/raw-gadget" dev="devtmpfs" ino=190 ioctlcmd=0x5500 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd10bc3940) = 18 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 [ 24.402056][ T10] usb 1-1: new high-speed USB device number 2 using dummy_hcd ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd10bc3940) = 18 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd10bc3940) = 9 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd10bc3940) = 36 [ 24.552062][ T10] usb 1-1: Using ep0 maxpacket: 16 [ 24.559732][ T10] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 [ 24.571139][ T10] usb 1-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 [ 24.581007][ T10] usb 1-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4950) = 0 ioctl(3, USB_RAW_IOCTL_VBUS_DRAW, 0) = 0 ioctl(3, USB_RAW_IOCTL_CONFIGURE, 0) = 0 ioctl(3, USB_RAW_IOCTL_EP_ENABLE, 0x7f66e71143cc) = -1 EINVAL (Invalid argument) ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd10bc3940) = 0 [ 24.593868][ T10] usb 1-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 [ 24.602929][ T10] usb 1-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 24.611944][ T10] usb 1-1: config 0 descriptor?? ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4980) = 0 ioctl(3, USB_RAW_IOCTL_EP0_READ, 0x7ffd10bc3970) = 0 ioctl(3, USB_RAW_IOCTL_EVENT_FETCH, 0x7ffd10bc4980) = 0 ioctl(3, USB_RAW_IOCTL_EP0_WRITE, 0x7ffd10bc3970) = 34 [ 25.022005][ T10] microsoft 0003:045E:07DA.0001: ignoring exceeding usage max [ 25.031196][ T10] microsoft 0003:045E:07DA.0001: unsupported Resolution Multiplier 0 [ 25.040567][ T10] ------------[ cut here ]------------ [ 25.046076][ T10] UBSAN: shift-out-of-bounds in drivers/hid/hid-core.c:1354:16 [ 25.053760][ T10] shift exponent 4294967295 is too large for 32-bit type '__s32' (aka 'int') [ 25.062577][ T10] CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted 6.12.30-syzkaller-g21ed84930c16 #0 fa4558fba7fa11aa57b2c84caea5bf67b39b1b5f [ 25.062611][ T10] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 25.062622][ T10] Workqueue: usb_hub_wq hub_event [ 25.062665][ T10] Call Trace: [ 25.062669][ T10] [ 25.062675][ T10] __dump_stack+0x21/0x30 [ 25.062696][ T10] dump_stack_lvl+0x10c/0x190 [ 25.062714][ T10] ? __cfi_dump_stack_lvl+0x10/0x10 [ 25.062767][ T10] ? __device_attach_driver+0x2f1/0x4b0 [ 25.062791][ T10] ? bus_probe_device+0x18b/0x270 [ 25.062809][ T10] ? hid_add_device+0x39b/0x560 [ 25.062832][ T10] dump_stack+0x19/0x20 [ 25.062849][ T10] ubsan_epilogue+0xe/0x40 [ 25.062869][ T10] __ubsan_handle_shift_out_of_bounds+0x386/0x420 [ 25.062893][ T10] ? really_probe+0x2d3/0x890 [ 25.062916][ T10] ? bus_probe_device+0x18b/0x270 [ 25.062933][ T10] ? kthread+0x2c7/0x370 [ 25.062947][ T10] s32ton+0xed/0x150 [ 25.062965][ T10] hid_output_report+0x427/0x790 [ 25.062987][ T10] __hid_request+0x11e/0x410 [ 25.063006][ T10] hidinput_connect+0x241b/0x3340 [ 25.063034][ T10] hid_connect+0x49a/0x1a20 [ 25.063055][ T10] ? usbhid_start+0x1a67/0x2530 [ 25.063072][ T10] ? __cfi_hid_connect+0x10/0x10 [ 25.063094][ T10] hid_hw_start+0xcb/0x160 [ 25.063114][ T10] ms_probe+0x194/0x460 [ 25.063132][ T10] hid_device_probe+0x2c1/0x5d0 [ 25.063154][ T10] ? __cfi_hid_device_probe+0x10/0x10 [ 25.063175][ T10] really_probe+0x2d3/0x890 [ 25.063198][ T10] __driver_probe_device+0x198/0x280 exit_group(0) = ? +++ exited with 0 +++ [ 25.063220][ T10] driver_probe_devic