dvb-usb: bulk message failed: -22 (3/0)
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BUG: KMSAN: uninit-value in cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:124 [inline]
BUG: KMSAN: uninit-value in cxusb_i2c_xfer+0x1303/0x18e0 drivers/media/usb/dvb-usb/cxusb.c:196
 cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:124 [inline]
 cxusb_i2c_xfer+0x1303/0x18e0 drivers/media/usb/dvb-usb/cxusb.c:196
 __i2c_transfer+0xec7/0x30e0 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x300/0x4b0 drivers/i2c/i2c-core-base.c:2315
 i2c_transfer_buffer_flags+0x138/0x200 drivers/i2c/i2c-core-base.c:2343
 i2c_master_send include/linux/i2c.h:109 [inline]
 i2cdev_write+0x214/0x2b0 drivers/i2c/i2c-dev.c:183
 do_loop_readv_writev include/linux/uio.h:-1 [inline]
 vfs_writev+0x8db/0x1420 fs/read_write.c:1057
 do_writev+0x1b1/0x580 fs/read_write.c:1101
 __do_sys_writev fs/read_write.c:1169 [inline]
 __se_sys_writev fs/read_write.c:1166 [inline]
 __ia32_sys_writev+0x9c/0xf0 fs/read_write.c:1166
 ia32_sys_call+0x3f2a/0x42c0 arch/x86/include/generated/asm/syscalls_32.h:147
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xb0/0x110 arch/x86/entry/syscall_32.c:306
 do_fast_syscall_32+0x38/0x80 arch/x86/entry/syscall_32.c:331
 do_SYSENTER_32+0x1f/0x30 arch/x86/entry/syscall_32.c:369
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e

Local variable i.i838 created at:
 cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:114 [inline]
 cxusb_i2c_xfer+0x304/0x18e0 drivers/media/usb/dvb-usb/cxusb.c:196
 __i2c_transfer+0xec7/0x30e0 drivers/i2c/i2c-core-base.c:-1

CPU: 1 UID: 0 PID: 7469 Comm: syz.3.269 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
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