kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 15600 Comm: syz-executor1 Not tainted 4.19.0-rc2+ #123
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:usb_find_alt_setting+0x38/0x310 drivers/usb/core/usb.c:231
Code: 89 fb 48 83 ec 10 48 89 7d c8 89 55 d4 89 75 d0 e8 5d f1 0a fd 48 8d 7b 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 86 02 00 00
RSP: 0018:ffff880196e17610 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002ca3000
RDX: 0000000000000000 RSI: ffffffff8471ddc3 RDI: 0000000000000004
RBP: ffff880196e17648 R08: ffff88018ba74040 R09: ffffed0032dc2edf
R10: ffffed0032dc2ee1 R11: ffff880196e1770f R12: 0000000000000000
R13: ffff8801ce5ea1c0 R14: ffff8801d6e25040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5f06b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000001c9ab8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 check_ctrlrecip+0x1e6/0x320 drivers/usb/core/devio.c:828
 proc_control+0x151/0xef0 drivers/usb/core/devio.c:1074
 usbdev_do_ioctl+0x1eb4/0x3b30 drivers/usb/core/devio.c:2394
 usbdev_compat_ioctl+0x24/0x30 drivers/usb/core/devio.c:2562
 __do_compat_sys_ioctl fs/compat_ioctl.c:1419 [inline]
 __se_compat_sys_ioctl fs/compat_ioctl.c:1365 [inline]
 __ia32_compat_sys_ioctl+0x221/0x640 fs/compat_ioctl.c:1365
 do_syscall_32_irqs_on arch/x86/entry/common.c:326 [inline]
 do_fast_syscall_32+0x34d/0xfb2 arch/x86/entry/common.c:397
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f0aca9
Code: 55 08 8b 88 64 cd ff ff 8b 98 68 cd ff ff 89 c8 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 1c 24 c3 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 002b:00000000f5f060cc EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000c0185500
RDX: 0000000020000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
Dumping ftrace buffer:
   (ftrace buffer empty)
---[ end trace f88f4ba1691e4261 ]---
RIP: 0010:usb_find_alt_setting+0x38/0x310 drivers/usb/core/usb.c:231
Code: 89 fb 48 83 ec 10 48 89 7d c8 89 55 d4 89 75 d0 e8 5d f1 0a fd 48 8d 7b 04 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 86 02 00 00
RSP: 0018:ffff880196e17610 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90002ca3000
RDX: 0000000000000000 RSI: ffffffff8471ddc3 RDI: 0000000000000004
RBP: ffff880196e17648 R08: ffff88018ba74040 R09: ffffed0032dc2edf
R10: ffffed0032dc2ee1 R11: ffff880196e1770f R12: 0000000000000000
R13: ffff8801ce5ea1c0 R14: ffff8801d6e25040 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db100000(0063) knlGS:00000000f5f06b40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000001c9ab8000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400