------------[ cut here ]------------ usb 1-1: BOGUS control dir, pipe 80000d80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at usb_submit_urb+0x153e/0x1970 drivers/usb/core/urb.c:412, CPU#0: syz.0.1647/11867 Modules linked in: CPU: 0 UID: 0 PID: 11867 Comm: syz.0.1647 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x1549/0x1970 drivers/usb/core/urb.c:412 Code: 30 48 89 7c 24 38 e8 c6 e0 a9 fa 48 8b 7c 24 38 e8 3c 74 d0 fe 48 89 c6 48 8d 3d 02 e2 7f 09 48 8b 54 24 30 45 89 e8 44 89 f9 <67> 48 0f b9 3a e9 fd ed ff ff 48 89 7c 24 30 e8 93 e0 a9 fa 48 8b RSP: 0018:ffffc90004957778 EFLAGS: 00010283 RAX: ffffffff8c5458a0 RBX: ffff88802fe91500 RCX: 0000000080000d80 RDX: ffff888029aead80 RSI: ffffffff8c5458a0 RDI: ffffffff9094da20 RBP: ffff888079c3c058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888078ac2d40 R13: 00000000000000c0 R14: 0000000000000001 R15: 0000000080000d80 FS: 00007fb97e5f06c0(0000) GS:ffff8881248f3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3c54b1 CR3: 000000005511c000 CR4: 0000000000350ef0 Call Trace: usb_start_wait_urb+0x104/0x4e0 drivers/usb/core/message.c:59 usb_internal_control_msg drivers/usb/core/message.c:103 [inline] usb_control_msg+0x326/0x4a0 drivers/usb/core/message.c:154 dtv5100_i2c_msg+0x1fa/0x360 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1e0/0x420 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261 i2c_transfer drivers/i2c/i2c-core-base.c:2317 [inline] i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2293 i2c_transfer_buffer_flags+0x10c/0x190 drivers/i2c/i2c-core-base.c:2345 i2c_master_send include/linux/i2c.h:109 [inline] i2cdev_write+0x11e/0x240 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:850 [inline] do_loop_readv_writev fs/read_write.c:835 [inline] vfs_writev+0x5df/0xde0 fs/read_write.c:1059 do_pwritev+0x1a6/0x270 fs/read_write.c:1153 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb97d78f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb97e5f0038 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007fb97d9e5fa0 RCX: 00007fb97d78f749 RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fb97d813f91 R08: 000000000000000c R09: 0000000000000000 R10: 000000007c58fc9b R11: 0000000000000246 R12: 0000000000000000 R13: 00007fb97d9e6038 R14: 00007fb97d9e5fa0 R15: 00007ffc67aba658 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 89 7c 24 38 mov %rdi,0x38(%rsp) 5: e8 c6 e0 a9 fa call 0xfaa9e0d0 a: 48 8b 7c 24 38 mov 0x38(%rsp),%rdi f: e8 3c 74 d0 fe call 0xfed07450 14: 48 89 c6 mov %rax,%rsi 17: 48 8d 3d 02 e2 7f 09 lea 0x97fe202(%rip),%rdi # 0x97fe220 1e: 48 8b 54 24 30 mov 0x30(%rsp),%rdx 23: 45 89 e8 mov %r13d,%r8d 26: 44 89 f9 mov %r15d,%ecx * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: e9 fd ed ff ff jmp 0xffffee30 33: 48 89 7c 24 30 mov %rdi,0x30(%rsp) 38: e8 93 e0 a9 fa call 0xfaa9e0d0 3d: 48 rex.W 3e: 8b .byte 0x8b