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output: fix null pointer dereferences in output/outaout.c #76

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output: fix null pointer dereferences in output/outaout.c #76

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SweetVishnya
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The bugs were found by Svace static analysis tool:

  1. sym can be null in when exact is false, and sym is later dereferenced by sym->symnum
  2. asym can be null, no return from function is performed, and asym is dereferenced by asym->symnum

@SweetVishnya
output: fix null pointer dereferences in output/outaout.c
39038b2 
The bugs were found by Svace static analysis tool:

1. sym can be null in when exact is false, and sym is later dereferenced
   by sym->symnum
2. asym can be null, no return from function is performed, and asym is
   dereferenced by asym->symnum
@SweetVishnya
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@hpax, @cyrillos, can you take a look, please?

@SweetVishnya
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BUMP

cc @hpax, @cyrillos

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