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authorSteven Rostedt <srostedt@redhat.com>2009-06-02 16:51:55 -0400
committerSteven Rostedt <rostedt@goodmis.org>2009-06-02 16:51:55 -0400
commit84047e360af0394ac5861d433f26bbcf30f77dd1 (patch)
tree55848e2ca4856a64b348a57ecca495c2f065aa0f /include
parentf7e8b616ed1cc6f790b82324bce8a2a60295e5c2 (diff)
downloadop-kernel-dev-84047e360af0394ac5861d433f26bbcf30f77dd1.zip
op-kernel-dev-84047e360af0394ac5861d433f26bbcf30f77dd1.tar.gz
function-graph: always initialize task ret_stack
On creating a new task while running the function graph tracer, if we fail to allocate the ret_stack, and then fail the fork, the code will free the parent ret_stack. This is because the child duplicated the parent and currently points to the parent's ret_stack. This patch always initializes the task's ret_stack to NULL. [ Impact: prevent crash of parent on low memory during fork ] Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
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