Peter M. Groen / libmodbus

Commit 5a66262d2e0e8d372d32fcb1c801cd88204a6bfd

Authored by Stéphane Raimbault
1 parent 9a1c297c

Fix #241006 reported by Jesus Hernandez Tapia 

modbus_check_response() crashes on an invalid exception code
Inline Side-by-side
Showing 2 changed files with 8 additions and 2 deletions
  1 +libmodbus 2.0.1 (2008-07-XX)
  2 +============================
  3 +- Include libmodbus.spec in the tarball
  4 +- Fix #241006 reported by Jesus Hernandez Tapia
  5 + modbus_check_response() crashes on an invalid exception code
  6 +
1 7 libmodbus 2.0.0 (2008-05-18)
2 8 ============================
3 9 - Slave API
... ...
modbus/modbus.c
  View file @5a66262
... ... @@ -662,9 +662,9 @@ static int modbus_check_response(modbus_param_t *mb_param,
662 662 return -exception_code;
663 663 } else {
664 664 /* The chances are low to hit this
665   - case but can avoid a vicious
  665 + case but it can avoid a vicious
666 666 segfault */
667   - char s_error[64];
  667 + char *s_error = malloc(64 * sizeof(char));
668 668 sprintf(s_error,
669 669 "Invalid exception code %d",
670 670 response[offset + 2]);
... ...