------------[ cut here ]------------ usb 5-1: BOGUS control dir, pipe 80002b80 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:412 at usb_submit_urb+0x1573/0x1910 drivers/usb/core/urb.c:412, CPU#1: syz.4.1998/13343 Modules linked in: CPU: 1 UID: 0 PID: 13343 Comm: syz.4.1998 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+0x157e/0x1910 drivers/usb/core/urb.c:412 Code: d2 74 5d 48 89 54 24 40 e8 bf 53 ca fa 4c 89 ef e8 57 07 e0 fe 48 89 c6 48 8d 3d 6d 9b 87 09 48 8b 54 24 40 45 89 f8 44 89 f1 <67> 48 0f b9 3a e9 c7 ed ff ff e8 93 53 ca fa 89 ee bf ff 00 00 00 RSP: 0018:ffffc9001de2f760 EFLAGS: 00010283 RAX: ffffffff8c5f4300 RBX: ffff888012950500 RCX: 0000000080002b80 RDX: ffff88807c1446e0 RSI: ffffffff8c5f4300 RDI: ffffffff90c42200 RBP: ffff88807f378058 R08: 00000000000000c0 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffff88807c144820 R13: ffff88807f3780b0 R14: 0000000080002b80 R15: 00000000000000c0 FS: 00007fd39a0fe6c0(0000) GS:ffff8881246dc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000385030 CR3: 000000007b65b000 CR4: 0000000000350ef0 Call Trace: usb_start_wait_urb+0x106/0x4c0 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+0x1be/0x340 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x131/0x3d0 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x5e1/0x1610 drivers/i2c/i2c-core-base.c:2261 i2c_transfer+0x15f/0x380 drivers/i2c/i2c-core-base.c:2317 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+0x5ea/0xe10 fs/read_write.c:1059 do_pwritev+0x1ac/0x270 fs/read_write.c:1153 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd39919acb9 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:00007fd39a0fe028 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007fd399415fa0 RCX: 00007fd39919acb9 RDX: 0000000000000001 RSI: 0000200000000300 RDI: 0000000000000004 RBP: 00007fd399208bf7 R08: 000000000000000c R09: 0000000000000000 R10: 000000007c58fc9b R11: 0000000000000246 R12: 0000000000000000 R13: 00007fd399416038 R14: 00007fd399415fa0 R15: 00007ffd2373d7b8 ---------------- Code disassembly (best guess): 0: d2 74 5d 48 shlb %cl,0x48(%rbp,%rbx,2) 4: 89 54 24 40 mov %edx,0x40(%rsp) 8: e8 bf 53 ca fa call 0xfaca53cc d: 4c 89 ef mov %r13,%rdi 10: e8 57 07 e0 fe call 0xfee0076c 15: 48 89 c6 mov %rax,%rsi 18: 48 8d 3d 6d 9b 87 09 lea 0x9879b6d(%rip),%rdi # 0x9879b8c 1f: 48 8b 54 24 40 mov 0x40(%rsp),%rdx 24: 45 89 f8 mov %r15d,%r8d 27: 44 89 f1 mov %r14d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 c7 ed ff ff jmp 0xffffedfb 34: e8 93 53 ca fa call 0xfaca53cc 39: 89 ee mov %ebp,%esi 3b: bf ff 00 00 00 mov $0xff,%edi