Coverity FORWARD_NULL - CID 12448 - plugins/animation/src/dodge.cpp - in function: DodgeAnim::calculateDodgeAmounts() - Dynamic cast to pointer "dynamic_cast <DodgeAnim *>(curAnim)" can return NULL. Assigning: "dodgeAnim" = "dynamic_cast <DodgeAnim *>(curAnim)". Later dereferencing null pointer "dodgeAnim".

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CID: 12448
Checker: FORWARD_NULL
Category: dynamic_cast
CWE definition: http://cwe.mitre.org/data/definitions/476.html
File: /tmp/buildd/compiz-0.9.9~daily13.01.14/plugins/animation/src/dodge.cpp
Function: DodgeAnim::calculateDodgeAmounts()
Code snippet:
792
793 Animation *curAnim = awCur->curAnimation ();
794 if (!curAnim || curAnim->info () != AnimEffectDodge)
795 continue;
CID 12448 - FORWARD_NULL
Dynamic cast to pointer "dynamic_cast <DodgeAnim *>(curAnim)" can return NULL.
Assigning: "dodgeAnim" = "dynamic_cast <DodgeAnim *>(curAnim)".
796 DodgeAnim *dodgeAnim = dynamic_cast<DodgeAnim *> (curAnim);
797
CID 12448 - FORWARD_NULL
Dereferencing null pointer "dodgeAnim".
798 dodgeAnim->mDodgeMaxAmountX = dodgeAmountX + offsetX;
799 dodgeAnim->mDodgeMaxAmountY = dodgeAmountY + offsetY;
800 dodgeAnim->mDodgeDirection = dodgeDirection;
801

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Source file with Coverity annotations.

[Launchpad Janitor (janitor)]

This bug was fixed in the package compiz - 1:0.9.12.0+15.04.20141210.2-0ubuntu1

---------------
compiz (1:0.9.12.0+15.04.20141210.2-0ubuntu1) vivid; urgency=medium

  [ James Jones ]
  * Added support for GL_EXT_x11_sync_object OpenGL extension for Nvidia
    based GPUs to avoid screen refresh issues. (LP: #269904)

  [ Kyle Brenneman ]
  * Added support for GL_EXT_x11_sync_object OpenGL extension for Nvidia
    based GPUs to avoid screen refresh issues. (LP: #269904)

  [ Viktor A. Danilov ]
  * Added support for GL_EXT_x11_sync_object OpenGL extension for Nvidia
    based GPUs to avoid screen refresh issues. (LP: #269904)

  [ Chris Townsend ]
  * Added support for GL_EXT_x11_sync_object OpenGL extension for Nvidia
    based GPUs to avoid screen refresh issues. (LP: #269904)

  [ Stephen M. Webb ]
  * Added support for GL_EXT_x11_sync_object OpenGL extension for Nvidia
    based GPUs to avoid screen refresh issues. (LP: #269904)
  * libdecoration/CMakeLists.txt: use correct variable for link
    directories (LP: #1392715)
  * Switcher Plugin: renamed a local variable so it does not hide a
    function parameter. (LP: #1101585)
  * added support for multi-arch installations (LP: #1395105, #959282)
  * libcompizconfig: reorder stat() and open() calls to eliminate a race
    condition (LP: #1101608)
  * dodge plugin: avoid potential null pointer dereferences (LP:
    #1101554)
  * PrivateScreen unit tests: added additional assertions to verify the
    tests are run in an expected state (LP: #1101413)

  [ Ubuntu daily release ]
  * New rebuild forced

  [ Brandon Schaefer ]
  * Rev 3891 change caused 2 known regressions. (Could be more).
    Reverting. (LP: #1398512, #1393020)
 -- Ubuntu daily release <email address hidden> Wed, 10 Dec 2014 19:52:06 +0000