------------[ cut here ]------------ usb 2-1: BOGUS control dir, pipe 80002b80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:411 at usb_submit_urb+0x15ff/0x19b0 drivers/usb/core/urb.c:411, CPU#0: syz.2.2343/12302 Modules linked in: CPU: 0 UID: 0 PID: 12302 Comm: syz.2.2343 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:usb_submit_urb+0x160d/0x19b0 drivers/usb/core/urb.c:411 Code: 48 89 54 24 40 e8 53 a6 7b fa 4c 89 e7 e8 db c1 da fe 48 89 c6 48 8d 3d 51 6a c2 0a 44 8b 44 24 20 8b 4c 24 30 48 8b 54 24 40 <67> 48 0f b9 3a e9 28 ed ff ff e8 24 a6 7b fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc90003337970 EFLAGS: 00010287 RAX: ffffffff8cc88d80 RBX: ffff888037889500 RCX: 0000000080002b80 RDX: ffff8880759ac400 RSI: ffffffff8cc88d80 RDI: ffffffff9252ed40 RBP: ffff888054601058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff8880546010b0 R13: ffff888076a9e360 R14: ffff888076a9e366 R15: ffff888076a9e367 FS: 00007f6be77216c0(0000) GS:ffff888122946000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000280 CR3: 00000000379d6000 CR4: 0000000000350ef0 Call Trace: usb_start_wait_urb+0x10e/0x580 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x328/0x4b0 drivers/usb/core/message.c:167 dib0700_ctrl_rd+0x1b5/0x320 drivers/media/usb/dvb-usb/dib0700_core.c:95 dib0700_i2c_xfer_legacy drivers/media/usb/dvb-usb/dib0700_core.c:315 [inline] dib0700_i2c_xfer+0x460/0xd90 drivers/media/usb/dvb-usb/dib0700_core.c:361 __i2c_transfer+0x5d4/0x1740 drivers/i2c/i2c-core-base.c:2294 i2c_transfer+0x158/0x380 drivers/i2c/i2c-core-base.c:2350 i2cdev_ioctl_rdwr+0x3ec/0x700 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x19d/0x830 drivers/i2c/i2c-dev.c:467 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl fs/ioctl.c:583 [inline] __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6be679e1d9 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6be7721028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f6be6a25fa0 RCX: 00007f6be679e1d9 RDX: 0000200000001400 RSI: 0000000000000707 RDI: 0000000000000004 RBP: 00007f6be6835888 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f6be6a26038 R14: 00007f6be6a25fa0 R15: 00007ffc0ad954c8 ---------------- Code disassembly (best guess): 0: 48 89 54 24 40 mov %rdx,0x40(%rsp) 5: e8 53 a6 7b fa call 0xfa7ba65d a: 4c 89 e7 mov %r12,%rdi d: e8 db c1 da fe call 0xfedac1ed 12: 48 89 c6 mov %rax,%rsi 15: 48 8d 3d 51 6a c2 0a lea 0xac26a51(%rip),%rdi # 0xac26a6d 1c: 44 8b 44 24 20 mov 0x20(%rsp),%r8d 21: 8b 4c 24 30 mov 0x30(%rsp),%ecx 25: 48 8b 54 24 40 mov 0x40(%rsp),%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 28 ed ff ff jmp 0xffffed5c 34: e8 24 a6 7b fa call 0xfa7ba65d 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi