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: 21247 Comm: syz-executor0 Not tainted 4.19.0-rc4+ #249 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'loop2' (00000000e41374de): 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 3d c3 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:ffff8801961df4a0 EFLAGS: 00010247 kobject: 'loop2' (00000000e41374de): fill_kobj_path: path = '/devices/virtual/block/loop2' RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001e48000 RDX: 0000000000000000 RSI: ffffffff85002143 RDI: 0000000000000004 RBP: ffff8801961df4e0 R08: ffff8801956c8180 R09: ffffed0032c3beb2 R10: ffffed0032c3beb4 R11: ffff8801961df5a7 R12: 0000000000000000 R13: ffff8801ce29e140 R14: ffff8801d76f55c0 R15: 0000000000000000 FS: 00007f510ae24700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000072c000 CR3: 00000001d43e8000 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 kobject: 'loop3' (0000000010056eb7): kobject_uevent_env usbdev_do_ioctl+0x1eb8/0x3b50 drivers/usb/core/devio.c:2394 kobject: 'loop3' (0000000010056eb7): fill_kobj_path: path = '/devices/virtual/block/loop3' XFS (loop3): Invalid device [./file0], error=-15 kobject: 'loop2' (00000000e41374de): kobject_uevent_env kobject: 'loop2' (00000000e41374de): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop4' (00000000e72100d5): kobject_uevent_env kobject: 'loop4' (00000000e72100d5): fill_kobj_path: path = '/devices/virtual/block/loop4' usbdev_ioctl+0x25/0x30 drivers/usb/core/devio.c:2551 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: 1d 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 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f510ae23c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f510ae246d4 RCX: 0000000000457679 RDX: 0000000020000000 RSI: 00000000c0185500 RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf508 R14: 00000000004bf7f2 R15: 0000000000000000 Modules linked in: kobject: 'loop3' (0000000010056eb7): kobject_uevent_env QAT: Invalid ioctl kobject: 'loop3' (0000000010056eb7): fill_kobj_path: path = '/devices/virtual/block/loop3' QAT: Invalid ioctl ---[ end trace af3101e2dcefc740 ]--- kobject: 'loop2' (00000000e41374de): kobject_uevent_env RIP: 0010:usb_find_alt_setting+0x38/0x310 drivers/usb/core/usb.c:231 kobject: 'loop2' (00000000e41374de): fill_kobj_path: path = '/devices/virtual/block/loop2' kobject: 'loop3' (0000000010056eb7): kobject_uevent_env Code: 89 fb 48 83 ec 18 48 89 7d c0 89 55 d4 89 75 d0 e8 3d c3 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' (0000000010056eb7): fill_kobj_path: path = '/devices/virtual/block/loop3' RSP: 0018:ffff8801961df4a0 EFLAGS: 00010247 kobject: 'loop4' (00000000e72100d5): kobject_uevent_env kobject: 'loop4' (00000000e72100d5): fill_kobj_path: path = '/devices/virtual/block/loop4' RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffffc90001e48000 kobject: 'loop3' (0000000010056eb7): kobject_uevent_env kobject: 'loop3' (0000000010056eb7): fill_kobj_path: path = '/devices/virtual/block/loop3' RDX: 0000000000000000 RSI: ffffffff85002143 RDI: 0000000000000004 RBP: ffff8801961df4e0 R08: ffff8801956c8180 R09: ffffed0032c3beb2 R10: ffffed0032c3beb4 R11: ffff8801961df5a7 R12: 0000000000000000 R13: ffff8801ce29e140 R14: ffff8801d76f55c0 R15: 0000000000000000 FS: 00007f510ae24700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f6f9b8 CR3: 00000001d43e8000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 kobject: 'loop2' (00000000e41374de): kobject_uevent_env DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 kobject: 'loop2' (00000000e41374de): fill_kobj_path: path = '/devices/virtual/block/loop2'