------------[ cut here ]------------ usb 2-1: BOGUS control dir, pipe 80000c80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:414 at usb_submit_urb+0x1052/0x18b0 drivers/usb/core/urb.c:412, CPU#1: syz.7.2000/11345 Modules linked in: CPU: 1 UID: 0 PID: 11345 Comm: syz.7.2000 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/13/2026 RIP: 0010:usb_submit_urb+0x1114/0x18b0 drivers/usb/core/urb.c:412 Code: 00 00 00 00 00 fc ff df 0f b6 44 05 00 84 c0 0f 85 91 05 00 00 45 0f b6 45 00 48 8b 7c 24 18 48 8b 74 24 10 4c 89 fa 44 89 f1 <67> 48 0f b9 3a 49 bf 00 00 00 00 00 fc ff df e9 c2 f2 ff ff 89 e9 RSP: 0018:ffffc900044af708 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888044fbec00 RCX: 0000000080000c80 RDX: ffff888142aa3040 RSI: ffffffff8c3dcd00 RDI: ffffffff8fdb95a0 RBP: 1ffff11003eddfa4 R08: 00000000000000c0 R09: 0000000000000000 R10: dffffc0000000000 R11: fffff52000895f0c R12: ffff888078b7a100 R13: ffff88801f6efd20 R14: 0000000080000c80 R15: ffff888142aa3040 FS: 00007f01731346c0(0000) GS:ffff888125a28000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fccd4607000 CR3: 000000005148e000 CR4: 0000000000350ef0 Call Trace: usb_start_wait_urb+0x12b/0x510 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x232/0x3e0 drivers/usb/core/message.c:154 gl861_ctrl_msg+0x207/0x420 drivers/media/usb/dvb-usb-v2/gl861.c:58 gl861_i2c_master_xfer+0x439/0x6a0 drivers/media/usb/dvb-usb-v2/gl861.c:-1 __i2c_transfer+0x79a/0x1ee0 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x1cc/0x2d0 drivers/i2c/i2c-core-base.c:2317 i2c_transfer_buffer_flags+0x10d/0x1a0 drivers/i2c/i2c-core-base.c:2345 i2c_master_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x10d/0x250 drivers/i2c/i2c-dev.c:155 vfs_read+0x20c/0xa70 fs/read_write.c:570 ksys_read+0x150/0x270 fs/read_write.c:715 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f017219acb9 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:00007f0173134028 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: ffffffffffffffda RBX: 00007f0172415fa0 RCX: 00007f017219acb9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 00007f0172208bf7 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f0172416038 R14: 00007f0172415fa0 R15: 00007ffc8b4dcca8 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 fc add %bh,%ah 6: ff lcall (bad) 7: df 0f fisttps (%rdi) 9: b6 44 mov $0x44,%dh b: 05 00 84 c0 0f add $0xfc08400,%eax 10: 85 91 05 00 00 45 test %edx,0x45000005(%rcx) 16: 0f b6 45 00 movzbl 0x0(%rbp),%eax 1a: 48 8b 7c 24 18 mov 0x18(%rsp),%rdi 1f: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 24: 4c 89 fa mov %r15,%rdx 27: 44 89 f1 mov %r14d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 36: fc ff df 39: e9 c2 f2 ff ff jmp 0xfffff300 3e: 89 e9 mov %ebp,%ecx