dvb-usb: bulk message failed: -22 (3/0) ===================================================== 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_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x1b2/0x3c0 drivers/i2c/i2c-dev.c:155 vfs_read+0x279/0xef0 fs/read_write.c:568 ksys_read fs/read_write.c:713 [inline] __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __x64_sys_read+0x1fb/0x4d0 fs/read_write.c:720 x64_sys_call+0x39db/0x3db0 arch/x86/include/generated/asm/syscalls_64.h:1 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: 11656 Comm: syz.5.801 Not tainted 6.15.0-rc3-syzkaller-00094-g02ddfb981de8 #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 =====================================================