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Title:	CodeSonar
Author:	Robert Seacord	Jul 30, 2014
Last Changed by:	David Svoboda	Jun 11, 2025
Tiny Link: (useful for email)	https://wiki.sei.cmu.edu/confluence/x/VNUxBQ
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SEI CERT C Coding Standard (192)
Page: ARR01-C. Do not apply the sizeof operator to a pointer when taking the size of an array
Page: MSC06-C. Beware of compiler optimizations
Page: POS30-C. Use the readlink() function properly
Page: DCL39-C. Avoid information leakage when passing a structure across a trust boundary
Page: EXP42-C. Do not compare padding data
Page: FIO37-C. Do not assume that fgets() or fgetws() returns a nonempty string when successful
Page: INT09-C. Ensure enumeration constants map to unique values
Page: ARR32-C. Ensure size arguments for variable length arrays are in a valid range
Page: ARR37-C. Do not add or subtract an integer to a pointer to a non-array object
Page: EXP45-C. Do not perform assignments in selection statements
Page: MSC11-C. Incorporate diagnostic tests using assertions
Page: MSC21-C. Use robust loop termination conditions
Page: SIG34-C. Do not call signal() from within interruptible signal handlers
Page: DCL20-C. Explicitly specify void when a function accepts no arguments
Page: MSC20-C. Do not use a switch statement to transfer control into a complex block
Page: EXP30-C. Do not depend on the order of evaluation for side effects
Page: PRE11-C. Do not conclude macro definitions with a semicolon
Page: SIG02-C. Avoid using signals to implement normal functionality
Page: POS52-C. Do not perform operations that can block while holding a POSIX lock
Page: INT04-C. Enforce limits on integer values originating from tainted sources
Page: MEM11-C. Do not assume infinite heap space
Page: CON34-C. Declare objects shared between threads with appropriate storage durations
Page: EXP47-C. Do not call va_arg with an argument of the incorrect type
Page: EXP44-C. Do not rely on side effects in operands to sizeof, _Alignof, or _Generic
Page: STR31-C. Guarantee that storage for strings has sufficient space for character data and the null terminator
Page: DCL13-C. Declare function parameters that are pointers to values not changed by the function as const
Page: DCL41-C. Do not declare variables inside a switch statement before the first case label
Page: FLP36-C. Preserve precision when converting integral values to floating-point type
Page: FIO21-C. Do not create temporary files in shared directories
Page: INT32-C. Ensure that operations on signed integers do not result in overflow
Page: INT13-C. Use bitwise operators only on unsigned operands
Page: PRE02-C. Macro replacement lists should be parenthesized
Page: FIO42-C. Close files when they are no longer needed
Page: DCL02-C. Use visually distinct identifiers
Page: SIG31-C. Do not access shared objects in signal handlers
Page: SIG35-C. Do not return from a computational exception signal handler
Page: CON35-C. Avoid deadlock by locking in a predefined order
Page: MEM00-C. Allocate and free memory in the same module, at the same level of abstraction
Page: API02-C. Functions that read or write to or from an array should take an argument to specify the source or target size
Page: DCL19-C. Minimize the scope of variables and functions
Page: EXP05-C. Do not cast away a const qualification
Page: ARR30-C. Do not form or use out-of-bounds pointers or array subscripts
Page: POS38-C. Beware of race conditions when using fork and file descriptors
Page: FIO30-C. Exclude user input from format strings
Page: ARR00-C. Understand how arrays work
Page: EXP35-C. Do not modify objects with temporary lifetime
Page: CON37-C. Do not call signal() in a multithreaded program
Page: ARR39-C. Do not add or subtract a scaled integer to a pointer
Page: STR38-C. Do not confuse narrow and wide character strings and functions
Page: DCL15-C. Declare file-scope objects or functions that do not need external linkage as static
Page: INT02-C. Understand integer conversion rules
Page: MSC33-C. Do not pass invalid data to the asctime() function
Page: ERR30-C. Take care when reading errno
Page: MSC17-C. Finish every set of statements associated with a case label with a break statement
Page: WIN30-C. Properly pair allocation and deallocation functions
Page: CON40-C. Do not refer to an atomic variable twice in an expression
Page: EXP36-C. Do not cast pointers into more strictly aligned pointer types
Page: EXP10-C. Do not depend on the order of evaluation of subexpressions or the order in which side effects take place
Page: FIO44-C. Only use values for fsetpos() that are returned from fgetpos()
Page: FLP32-C. Prevent or detect domain and range errors in math functions
Page: POS49-C. When data must be accessed by multiple threads, provide a mutex and guarantee no adjacent data is also accessed
Page: INT35-C. Use correct integer precisions
Page: MSC41-C. Never hard code sensitive information
Page: INT30-C. Ensure that unsigned integer operations do not wrap
Page: EXP37-C. Call functions with the correct number and type of arguments
Page: MEM05-C. Avoid large stack allocations
Page: EXP08-C. Ensure pointer arithmetic is used correctly
Page: CON38-C. Preserve thread safety and liveness when using condition variables
Page: ERR34-C. Detect errors when converting a string to a number
Page: PRE00-C. Prefer inline or static functions to function-like macros
Page: DCL30-C. Declare objects with appropriate storage durations
Page: POS34-C. Do not call putenv() with a pointer to an automatic variable as the argument
Page: DCL16-C. Use "L," not "l," to indicate a long value
Page: STR00-C. Represent characters using an appropriate type
Page: CON33-C. Avoid race conditions when using library functions
Page: MSC24-C. Do not use deprecated or obsolescent functions
Page: DCL36-C. Do not declare an identifier with conflicting linkage classifications
Page: STR02-C. Sanitize data passed to complex subsystems
Page: INT05-C. Do not use input functions to convert character data if they cannot handle all possible inputs
Page: STR04-C. Use plain char for characters in the basic character set
Page: FIO02-C. Canonicalize path names originating from tainted sources
Page: FLP34-C. Ensure that floating-point conversions are within range of the new type
Page: MEM34-C. Only free memory allocated dynamically
Page: STR37-C. Arguments to character-handling functions must be representable as an unsigned char
Page: WIN00-C. Be specific when dynamically loading libraries
Page: MSC38-C. Do not treat a predefined identifier as an object if it might only be implemented as a macro
Page: PRE05-C. Understand macro replacement when concatenating tokens or performing stringification
Page: POS48-C. Do not unlock or destroy another POSIX thread's mutex
Page: POS54-C. Detect and handle POSIX library errors
Page: CON07-C. Ensure that compound operations on shared variables are atomic
Page: POS44-C. Do not use signals to terminate threads
Page: ENV32-C. All exit handlers must return normally
Page: FLP06-C. Convert integers to floating point for floating-point operations
Page: MSC23-C. Beware of vendor-specific library and language differences
Page: PRE32-C. Do not use preprocessor directives in invocations of function-like macros
Page: DCL01-C. Do not reuse variable names in subscopes
Page: FLP30-C. Do not use floating-point variables as loop counters
Page: INT18-C. Evaluate integer expressions in a larger size before comparing or assigning to that size
Page: CON01-C. Acquire and release synchronization primitives in the same module, at the same level of abstraction
Page: MSC25-C. Do not use insecure or weak cryptographic algorithms
Page: CON43-C. Do not allow data races in multithreaded code
Page: CON36-C. Wrap functions that can spuriously wake up in a loop
Page: DCL37-C. Do not declare or define a reserved identifier
Page: INT07-C. Use only explicitly signed or unsigned char type for numeric values
Page: MEM07-C. Ensure that the arguments to calloc(), when multiplied, do not wrap
Page: STR06-C. Do not assume that strtok() leaves the parse string unchanged
Page: CON30-C. Clean up thread-specific storage
Page: CON02-C. Do not use volatile as a synchronization primitive
Page: STR07-C. Use the bounds-checking interfaces for string manipulation
Page: WIN01-C. Do not forcibly terminate execution
Page: MEM01-C. Store a new value in pointers immediately after free()
Page: FIO08-C. Take care when calling remove() on an open file
Page: MSC37-C. Ensure that control never reaches the end of a non-void function
Page: FIO01-C. Be careful using functions that use file names for identification
Page: CON39-C. Do not join or detach a thread that was previously joined or detached
Page: PRE30-C. Do not create a universal character name through concatenation
Page: ARR36-C. Do not subtract or compare two pointers that do not refer to the same array
Page: ERR33-C. Detect and handle standard library errors
Page: FLP02-C. Avoid using floating-point numbers when precise computation is needed
Page: INT33-C. Ensure that division and remainder operations do not result in divide-by-zero errors
Page: DCL11-C. Understand the type issues associated with variadic functions
Page: MSC00-C. Compile cleanly at high warning levels
Page: FIO10-C. Take care when using the rename() function
Page: INT08-C. Verify that all integer values are in range
Page: MSC18-C. Be careful while handling sensitive data, such as passwords, in program code
Page: EXP15-C. Do not place a semicolon on the same line as an if, for, or while statement
Page: FIO40-C. Reset strings on fgets() or fgetws() failure
Page: MEM35-C. Allocate sufficient memory for an object
Page: MSC07-C. Detect and remove dead code
Page: MEM04-C. Beware of zero-length allocations
Page: DCL07-C. Include the appropriate type information in function declarators
Page: API07-C. Enforce type safety
Page: MSC32-C. Properly seed pseudorandom number generators
Page: DCL40-C. Do not create incompatible declarations of the same function or object
Page: DCL03-C. Use a static assertion to test the value of a constant expression
Page: SIG00-C. Mask signals handled by noninterruptible signal handlers
Page: EXP43-C. Avoid undefined behavior when using restrict-qualified pointers
Page: DCL18-C. Do not begin integer constants with 0 when specifying a decimal value
Page: INT36-C. Converting a pointer to integer or integer to pointer
Page: FIO47-C. Use valid format strings
Page: FIO24-C. Do not open a file that is already open
Page: DCL23-C. Guarantee that mutually visible identifiers are unique
Page: STR05-C. Use pointers to const when referring to string literals
Page: FIO46-C. Do not access a closed file
Page: CON32-C. Prevent data races when accessing bit-fields from multiple threads
Page: DCL04-C. Do not declare more than one variable per declaration
Page: EXP34-C. Do not dereference null pointers
Page: MEM30-C. Do not access freed memory
Page: PRE31-C. Avoid side effects in arguments to unsafe macros
Page: INT12-C. Do not make assumptions about the type of a plain int bit-field when used in an expression
Page: POS51-C. Avoid deadlock with POSIX threads by locking in predefined order
Page: STR34-C. Cast characters to unsigned char before converting to larger integer sizes
Page: FLP00-C. Understand the limitations of floating-point numbers
Page: DCL00-C. Const-qualify immutable objects
Page: EXP46-C. Do not use a bitwise operator with a Boolean-like operand
Page: MSC12-C. Detect and remove code that has no effect or is never executed
Page: EXP33-C. Do not read uninitialized memory
Page: API00-C. Functions should validate their parameters
Page: CON05-C. Do not perform operations that can block while holding a lock
Page: SIG01-C. Understand implementation-specific details regarding signal handler persistence
Page: STR32-C. Do not pass a non-null-terminated character sequence to a library function that expects a string
Page: EXP14-C. Beware of integer promotion when performing bitwise operations on integer types smaller than int
Page: POS05-C. Limit access to files by creating a jail
Page: MEM33-C. Allocate and copy structures containing a flexible array member dynamically
Page: SIG30-C. Call only asynchronous-safe functions within signal handlers
Page: FIO34-C. Distinguish between characters read from a file and EOF or WEOF
Page: MSC39-C. Do not call va_arg() on a va_list that has an indeterminate value
Page: ENV33-C. Do not call system()
Page: CON41-C. Wrap functions that can fail spuriously in a loop
Page: EXP00-C. Use parentheses for precedence of operation
Page: STR03-C. Do not inadvertently truncate a string
Page: FIO45-C. Avoid TOCTOU race conditions while accessing files
Page: EXP12-C. Do not ignore values returned by functions
Page: MEM36-C. Do not modify the alignment of objects by calling realloc()
Page: DCL06-C. Use meaningful symbolic constants to represent literal values
Page: ENV30-C. Do not modify the object referenced by the return value of certain functions
Page: ARR38-C. Guarantee that library functions do not form invalid pointers
Page: WIN02-C. Restrict privileges when spawning child processes
Page: MSC22-C. Use the setjmp(), longjmp() facility securely
Page: INT31-C. Ensure that integer conversions do not result in lost or misinterpreted data
Page: CON31-C. Do not destroy a mutex while it is locked
Page: MSC13-C. Detect and remove unused values
Page: ENV01-C. Do not make assumptions about the size of an environment variable
Page: MSC30-C. Do not use the rand() function for generating pseudorandom numbers
Page: DCL05-C. Use typedefs of non-pointer types only
Page: FIO06-C. Create files with appropriate access permissions
Page: FIO13-C. Never push back anything other than one read character
Page: INT01-C. Use rsize_t or size_t for all integer values representing the size of an object
Page: FIO39-C. Do not alternately input and output from a stream without an intervening flush or positioning call
Page: INT34-C. Do not shift an expression by a negative number of bits or by greater than or equal to the number of bits that exist in the operand
Page: MEM31-C. Free dynamically allocated memory when no longer needed
Page: MEM03-C. Clear sensitive information stored in reusable resources

SEI CERT Oracle Coding Standard for Java (4)
Page: DUMMY ENV03-J
Page: SEC06-J. Do not rely on the default automatic signature verification provided by URLClassLoader and java.util.jar
Page: ENV03-J. Do not grant dangerous combinations of permissions
Page: SER06-J. Make defensive copies of private mutable components during deserialization

SEI CERT C++ Coding Standard (3)
Page: MSC50-CPP. Do not use std::rand() for generating pseudorandom numbers
Page: CON56-CPP. Do not speculatively lock a non-recursive mutex that is already owned by the calling thread
Page: MSC51-CPP. Ensure your random number generator is properly seeded

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Time	Editor
Jun 11, 2025 10:14	David Svoboda	View Changes
Mar 14, 2025 08:19	David Svoboda	View Changes
Mar 06, 2025 09:03	David Svoboda	View Changes
Feb 24, 2025 02:39	David Svoboda	View Changes
Feb 24, 2025 02:38	David Svoboda

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https://wiki.sei.cmu.edu/confluence/pages/viewpage.action?p…

SEI CERT C Coding Standard (1) Page: CodeSonar_V

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