------------[ cut here ]------------ usb 4-1: BOGUS control dir, pipe 80002c80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at 0x0, CPU#1: syz.4.995/10226 Modules linked in: CPU: 1 UID: 0 PID: 10226 Comm: syz.4.995 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:usb_submit_urb+0x1549/0x1920 drivers/usb/core/urb.c:412 Code: 30 48 89 7c 24 38 e8 56 ef b6 fa 48 8b 7c 24 38 e8 bc e4 d3 fe 48 89 c6 48 8d 3d f2 52 8a 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 23 ef b6 fa 48 8b RSP: 0000:ffffc900052379a0 EFLAGS: 00010283 RAX: ffffffff8c52a280 RBX: ffff88814d4b8400 RCX: 0000000080002c80 RDX: ffff88802ad06680 RSI: ffffffff8c52a280 RDI: ffffffff909112c0 RBP: ffff888055c1b058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff888025408ce0 R13: 00000000000000c0 R14: 0000000000000001 R15: 0000000080002c80 FS: 00007f75997526c0(0000) GS:ffff888124aa3000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c3f3710 CR3: 0000000059a3c000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x104/0x4b0 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+0x1d8/0x320 drivers/media/usb/dvb-usb/dtv5100.c:60 dtv5100_i2c_xfer+0x1e0/0x420 drivers/media/usb/dvb-usb/dtv5100.c:86 __i2c_transfer+0x6b6/0x20d0 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 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306 i2cdev_ioctl+0x5ff/0x820 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:63 [inline] do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f759898f749 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:00007f7599752038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7598be5fa0 RCX: 00007f759898f749 RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000008 RBP: 00007f7598a13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f7598be6038 R14: 00007f7598be5fa0 R15: 00007fff9b6ca628 ---------------- Code disassembly (best guess): 0: 30 48 89 xor %cl,-0x77(%rax) 3: 7c 24 jl 0x29 5: 38 e8 cmp %ch,%al 7: 56 push %rsi 8: ef out %eax,(%dx) 9: b6 fa mov $0xfa,%dh b: 48 8b 7c 24 38 mov 0x38(%rsp),%rdi 10: e8 bc e4 d3 fe call 0xfed3e4d1 15: 48 89 c6 mov %rax,%rsi 18: 48 8d 3d f2 52 8a 09 lea 0x98a52f2(%rip),%rdi # 0x98a5311 1f: 48 8b 54 24 30 mov 0x30(%rsp),%rdx 24: 45 89 e8 mov %r13d,%r8d 27: 44 89 f9 mov %r15d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 fd ed ff ff jmp 0xffffee31 34: 48 89 7c 24 30 mov %rdi,0x30(%rsp) 39: e8 23 ef b6 fa call 0xfab6ef61 3e: 48 rex.W 3f: 8b .byte 0x8b