[PATCH] drivers/staging/bcm: Integer overflow

2013-12-19 Thread Wenliang Fan
The checking condition in 'validateFlash2xReadWrite()' is not sufficient. A large number invalid would cause an integer overflow and pass the condition, which could cause further integer overflows in 'Bcmchar.c:bcm_char_ioctl()'. Signed-off-by: Wenliang Fan --- drivers/s

[PATCH] drivers/staging/bcm: Integer overflow

2013-12-20 Thread Wenliang Fan
The checking condition in 'validateFlash2xReadWrite()' is not sufficient. A large number invalid would cause an integer overflow and pass the condition, which could cause further integer overflows in 'Bcmchar.c:bcm_char_ioctl()'. Signed-off-by: Wenliang Fan --- drivers/s

[PATCH] drivers/staging/bcm: Integer overflow

2013-12-20 Thread Wenliang Fan
The checking condition in 'validateFlash2xReadWrite()' is not sufficient. A large number invalid would cause an integer overflow and pass the condition, which could cause further integer overflows in 'Bcmchar.c:bcm_char_ioctl()'. Signed-off-by: Wenliang Fan --- drivers/s