kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 23410 Comm: syz-executor5 Not tainted 4.19.0-rc4+ #147
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop4' (00000000b464b186): kobject_uevent_env
RIP: 0010:usb_find_alt_setting+0x38/0x310 drivers/usb/core/usb.c:231
Code: 89 fb 48 83 ec 18 48 89 7d c0 89 55 d4 89 75 d0 e8 4d c9 7e fc 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 84 02 00 00
RSP: 0018:ffff880190907608 EFLAGS: 00010247
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005069000
kobject: 'loop4' (00000000b464b186): fill_kobj_path: path = '/devices/virtual/block/loop4'
RDX: 0000000000000000 RSI: ffffffff85000b03 RDI: 0000000000000004
RBP: ffff880190907648 R08: ffff8801934a2600 R09: ffffed0032120edf
R10: ffffed0032120ee1 R11: ffff88019090770f R12: 0000000000000000
R13: ffff8801ce102c40 R14: ffff88019aa9d2c0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f57b40
kobject: 'loop0' (000000003b1c17e0): kobject_uevent_env
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f5f1cdb0 CR3: 00000001d3069000 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
kobject: 'loop0' (000000003b1c17e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
 proc_control+0x151/0xef0 drivers/usb/core/devio.c:1074
 usbdev_do_ioctl+0x1eb8/0x3b50 drivers/usb/core/devio.c:2394
kobject: 'loop1' (000000000fb52f0c): kobject_uevent_env
kobject: 'loop1' (000000000fb52f0c): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop1' (000000000fb52f0c): kobject_uevent_env
 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+0x20e/0x630 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
kobject: 'loop1' (000000000fb52f0c): fill_kobj_path: path = '/devices/virtual/block/loop1'
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f5bca9
Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 0c 24 c3 8b 1c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 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:00000000f5f570cc 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
kobject: 'loop0' (000000003b1c17e0): kobject_uevent_env
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
kobject: 'loop0' (000000003b1c17e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop1' (000000000fb52f0c): kobject_uevent_env
kobject: 'loop1' (000000000fb52f0c): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'loop2' (00000000ee5d9a80): kobject_uevent_env
---[ end trace f7e371f7e7bdf335 ]---
RIP: 0010:usb_find_alt_setting+0x38/0x310 drivers/usb/core/usb.c:231
kobject: 'loop2' (00000000ee5d9a80): fill_kobj_path: path = '/devices/virtual/block/loop2'
Code: 89 fb 48 83 ec 18 48 89 7d c0 89 55 d4 89 75 d0 e8 4d c9 7e fc 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 84 02 00 00
kobject: 'loop3' (0000000010cc599c): kobject_uevent_env
RSP: 0018:ffff880190907608 EFLAGS: 00010247
kobject: 'loop3' (0000000010cc599c): fill_kobj_path: path = '/devices/virtual/block/loop3'
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90005069000
kobject: 'loop4' (00000000b464b186): kobject_uevent_env
RDX: 0000000000000000 RSI: ffffffff85000b03 RDI: 0000000000000004
kobject: 'loop4' (00000000b464b186): fill_kobj_path: path = '/devices/virtual/block/loop4'
RBP: ffff880190907648 R08: ffff8801934a2600 R09: ffffed0032120edf
kobject: 'loop4' (00000000b464b186): kobject_uevent_env
R10: ffffed0032120ee1 R11: ffff88019090770f R12: 0000000000000000
kobject: 'loop4' (00000000b464b186): fill_kobj_path: path = '/devices/virtual/block/loop4'
R13: ffff8801ce102c40 R14: ffff88019aa9d2c0 R15: 0000000000000000
kobject: 'loop0' (000000003b1c17e0): kobject_uevent_env
FS:  0000000000000000(0000) GS:ffff8801daf00000(0063) knlGS:00000000f5f57b40
kobject: 'loop0' (000000003b1c17e0): fill_kobj_path: path = '/devices/virtual/block/loop0'
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
kobject: 'loop3' (0000000010cc599c): kobject_uevent_env
CR2: 00007ffc22698ff8 CR3: 00000001d3069000 CR4: 00000000001406e0
kobject: 'loop3' (0000000010cc599c): fill_kobj_path: path = '/devices/virtual/block/loop3'
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400