The problem is that you’re freeing the sym
, then trying to access a value from the (now-freed) data: sym->next
.
You probably want something like this for the inner loop:
struct symbol *next_sym = NULL; for(sym = st[i]; sym != NULL; ) { next_sym = sym->next; free(sym); sym = next_sym; }
Related Posts:
- How do I use valgrind to find memory leaks?
- Valgrind: Invalid read of size 1
- valgrind – Address —- is 0 bytes after a block of size 8 alloc’d
- Uninitialized value was created by a heap allocation
- Error: “Access not within mapped region at address” (Valgrind)
- Segmentation fault- strcat
- How does strtok() split the string into tokens in C?
- what is Segmentation fault (core dumped)? [duplicate]
- What causes a segmentation fault (core dump) to occur in C?
- uint8_t vs unsigned char
- How to use symbols of extended ASCII table in C?
- What is the difference between ++i and i++?
- Using boolean values in C
- What does “collect2: error: ld returned 1 exit status” mean?
- How to convert an int to string in C?
- typedef struct vs struct definitions [duplicate]
- How to print in C
- What can be the reasons of connection refused errors?
- typedef struct vs struct definitions [duplicate]
- Cannot figure out how to use getchar(); in C
- Why am I getting “void value not ignored as it ought to be”?
- 1 = false and 0 = true?
- c stack smashing detected
- char *array and char array[]
- Convert char to int in C and C++
- Get a substring of a char*
- What causes the Broken Pipe Error?
- Strings and character with printf
- Why does the terminal show “^[[A” “^[[B” “^[[C” “^[[D” when pressing the arrow keys in Ubuntu?
- Why is the gets function so dangerous that it should not be used?
- Write to .txt file?
- What does “collect2: error: ld returned 1 exit status” mean?
- Warning comparison between pointer and integer
- What does #pragma once mean in C? [duplicate]
- Using ssize_t vs int
- Why a warning of “control reaches end of non-void function” for the main function?
- Connect: Socket operation on non-socket
- “Initializer element is not constant” in C
- How do you do exponentiation in C?
- Printing long int value in C
- Undefined reference to pow( ) in C, despite including math.h [duplicate]
- error: called object is not a function or function pointer
- munmap_chunk(): invalid pointer
- C read file line by line
- warning: incompatible implicit declaration of built-in function ‘xyz’
- No Symbol Table using GDB on Compiled Programs
- What is char ** in C?
- What is a bus error? Is it different from a segmentation fault?
- Get the current time in C
- where does stdio.o live in linux machine?
- sizeof float (3.0) vs (3.0f)
- Get text from user input using C
- Using Dynamic Memory allocation for arrays
- How to trigger SIGUSR1 and SIGUSR2?
- How do I lowercase a string in C?
- warning: expression result unused
- conflicting types error when compiling c program using gcc
- Get the current time in C
- error: indirection requires pointer operand (‘int’ invalid)
- What is a file with extension .a?
- What is the difference between exit(0) and exit(1) in C?
- error: indirection requires pointer operand (‘int’ invalid)
- Finding the length of a Character Array in C
- Return char[]/string from a function
- How to print a char array in C through printf?
- How to clear all the elements of array in C?
- Zero an array in C code
- Excess elements in char array initializer error
- Encrypt with private key and decrypt with public key
- strcmp giving segmentation fault
- What does “pointer being freed was not allocated” mean exactly?
- How to run valgrind with basic c example?
- How to use timer in C?
- C char* to int conversion
- What is the difference between stdin and STDIN_FILENO?
- char pointers: invalid conversion from ‘char*’ to ‘char’?
- Allocating string with malloc
- How to simply convert a float to a string in c?
- What is the difference between char array and char pointer in C?
- hash function for string
- What happens during a “relocation has invalid symbol index” error?
- Still Reachable Leak detected by Valgrind
- What are .axf files?
- printf format specifiers for uint32_t and size_t
- How to convert string to float?
- What is an simple example of copy_from_user
- What is `S_ISREG()`, and what does it do?
- typedef struct pointer definition
- How does the fscanf function work?
- Math constant PI value in C
- Return a `struct` from a function in C
- C: scanf to array
- The code does not execute properly. Try to figure out why
- ld.exe: cannot open output file … : Permission denied
- How to read from input until newline is found using scanf()?
- getline() vs. fgets(): Control memory allocation
- What is char ** in C? [duplicate]
- segmentation fault using scanf
- How to Compare 2 Character Arrays [duplicate]
- segmentation fault with strcpy [duplicate]