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+0x153a/0x1a60 drivers/media/usb/dvb-usb/cxusb.c:196 cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:124 [inline] cxusb_i2c_xfer+0x153a/0x1a60 drivers/media/usb/dvb-usb/cxusb.c:196 __i2c_transfer+0xe25/0x3150 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x317/0x4a0 drivers/i2c/i2c-core-base.c:2315 i2c_transfer_buffer_flags+0x125/0x1e0 drivers/i2c/i2c-core-base.c:2343 i2c_master_recv include/linux/i2c.h:79 [inline] i2cdev_read+0x204/0x3b0 drivers/i2c/i2c-dev.c:155 vfs_read+0x29f/0xf70 fs/read_write.c:568 ksys_read+0x240/0x4b0 fs/read_write.c:713 __do_sys_read fs/read_write.c:722 [inline] __se_sys_read fs/read_write.c:720 [inline] __x64_sys_read+0x93/0xe0 fs/read_write.c:720 x64_sys_call+0x34c9/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:1 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Local variable map.i created at: __mmap_region mm/vma.c:2461 [inline] mmap_region+0x44e/0x48c0 mm/vma.c:2554 do_mmap+0x198d/0x1e50 mm/mmap.c:561 CPU: 1 UID: 0 PID: 16710 Comm: syz.7.4051 Not tainted 6.15.0-rc1-syzkaller #0 PREEMPT(undef) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 =====================================================