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]
 __x64_sys_writev+0x99/0xf0 fs/read_write.c:1166
 x64_sys_call+0x269a/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:21
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xd9/0x1b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

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: 0 UID: 0 PID: 9861 Comm: syz.9.1002 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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