------------[ cut here ]------------ usb 4-1: BOGUS control dir, pipe 80002280 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1053/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.1.1019/9874 Modules linked in: CPU: 0 UID: 0 PID: 9874 Comm: syz.1.1019 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026 RIP: 0010:usb_submit_urb+0x1115/0x18b0 drivers/usb/core/urb.c:411 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 c1 f2 ff ff 89 e9 RSP: 0018:ffffc9000cf97668 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88807a587b00 RCX: 0000000080002280 RDX: ffff88805b4ad280 RSI: ffffffff8c7f2800 RDI: ffffffff901f0b90 RBP: 1ffff110060c0e90 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc9000cf97760 R11: fffff520019f2ef8 R12: ffff88805e4be100 R13: ffff888030607480 R14: 0000000080002280 R15: ffff88805b4ad280 FS: 0000000000000000(0000) GS:ffff888125457000(0063) knlGS:00000000f53c5b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f7fb55b8 CR3: 000000006a1d4000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 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/0x2020 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 do_loop_readv_writev fs/read_write.c:849 [inline] vfs_readv+0x587/0x840 fs/read_write.c:1022 do_preadv fs/read_write.c:1134 [inline] __do_compat_sys_preadv fs/read_write.c:1237 [inline] __se_compat_sys_preadv fs/read_write.c:1231 [inline] __ia32_compat_sys_preadv+0x1c6/0x2c0 fs/read_write.c:1231 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0x20d/0x640 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7f25f6c Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8 RSP: 002b:00000000f53c550c EFLAGS: 00000206 ORIG_RAX: 000000000000014d RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 00000000800003c0 RDX: 0000000000000002 RSI: 00000000fffffffd RDI: 0000000000008003 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- 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 c1 f2 ff ff jmp 0xfffff2ff 3e: 89 e9 mov %ebp,%ecx