In the Linux kernel, the following vulnerability has been resolved: media: v4l2-mem2mem: add lock to protect parameter numrdy Getting below error when using KCSAN to check the driver. Adding lock to protect parameter numrdy when getting the value with function: v4l2m2mnumsrcbufsready/v4l2m2mnumdstbufsready. kworker/u16:3: [name:report&]BUG: KCSAN: data-race in v4l2m2mbufqueue kworker/u16:3: [name:report&] kworker/u16:3: [name:report&]read-write to 0xffffff8105f35b94 of 1 bytes by task 20865 on cpu 7: kworker/u16:3: v4l2m2mbufqueue+0xd8/0x10c