------------[ cut here ]------------ usb 3-1: BOGUS control dir, pipe 80005380 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1052/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.2.4429/19873 Modules linked in: CPU: 0 UID: 0 PID: 19873 Comm: syz.2.4429 Tainted: G L syzkaller #0 PREEMPT_{RT,(full)} Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:usb_submit_urb+0x1114/0x18b0 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 c2 f2 ff ff 89 e9 RSP: 0018:ffffc9000e6376e8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff8880326a6100 RCX: 0000000080005380 RDX: ffff88802a73b3c0 RSI: ffffffff8bede000 RDI: ffffffff8f765e10 RBP: 1ffff11004350f98 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc9000e6377e0 R11: fffff52001cc6f08 R12: ffff88803224e100 R13: ffff888021a87cc0 R14: 0000000080005380 R15: ffff88802a73b3c0 FS: 00007f4481de66c0(0000) GS:ffff88812633c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000128030 CR3: 000000003c266000 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 dtv5100_i2c_msg+0x231/0x2f0 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1a4/0x3c0 drivers/media/usb/dvb-usb/dtv5100.c:91 __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_send include/linux/i2c.h:109 [inline] i2cdev_write+0x116/0x1e0 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:852 [inline] vfs_writev+0x4c6/0x9a0 fs/read_write.c:1061 do_writev+0x15a/0x2e0 fs/read_write.c:1105 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4483b8c799 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:00007f4481de6028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007f4483e05fa0 RCX: 00007f4483b8c799 RDX: 0000000000000001 RSI: 0000200000000640 RDI: 0000000000000004 RBP: 00007f4483c22c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4483e06038 R14: 00007f4483e05fa0 R15: 00007ffecd8468b8 ---------------- 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