================================================================================
UBSAN: Undefined behaviour in drivers/usb/gadget/udc/dummy_hcd.c:2131:32
shift exponent 768 is too large for 32-bit type 'int'
CPU: 1 PID: 9424 Comm: syz-executor.5 Not tainted 4.19.150-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x22c/0x33e lib/dump_stack.c:118
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 dummy_hub_control.cold+0xa3/0xbf drivers/usb/gadget/udc/dummy_hcd.c:2131
 rh_call_control drivers/usb/core/hcd.c:679 [inline]
 rh_urb_enqueue drivers/usb/core/hcd.c:838 [inline]
 usb_hcd_submit_urb+0xb7e/0x20d0 drivers/usb/core/hcd.c:1651
 usb_submit_urb+0xba2/0x13b0 drivers/usb/core/urb.c:571
 usb_start_wait_urb+0x108/0x2b0 drivers/usb/core/message.c:57
 usb_internal_control_msg drivers/usb/core/message.c:101 [inline]
 usb_control_msg+0x31c/0x4a0 drivers/usb/core/message.c:152
 proc_control+0x360/0x6d0 drivers/usb/core/devio.c:1143
 usbdev_do_ioctl+0x15fc/0x3580 drivers/usb/core/devio.c:2423
 usbdev_ioctl+0x21/0x30 drivers/usb/core/devio.c:2580
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de59
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f52af53dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 000000000001afc0 RCX: 000000000045de59
RDX: 0000000020000000 RSI: 00000000c0185500 RDI: 0000000000000003
RBP: 000000000118bf60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007ffd874597ef R14: 00007f52af53e9c0 R15: 000000000118bf2c
================================================================================
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
overlayfs: filesystem on './file1' not supported as upperdir
IPVS: ftp: loaded support on port[0] = 21
IPVS: ftp: loaded support on port[0] = 21
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
IPVS: ftp: loaded support on port[0] = 21
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.
audit: type=1804 audit(1602798517.904:43): pid=9791 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir000994882/syzkaller.w55Gfj/65/file1/file0" dev="loop1" ino=3 res=1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'.