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free
map_sub_
before map_free(map_)
to avoid UAF&&NullPtr bug men…
…tioned in ros-navigation#4078 (ros-navigation#4079) * free `map_sub_` before `map_free(map_)` Signed-off-by: GoesM <GoesM@buaa.edu.cn> * reformat Signed-off-by: GoesM <GoesM@buaa.edu.cn> --------- Signed-off-by: GoesM <GoesM@buaa.edu.cn> Co-authored-by: GoesM <GoesM@buaa.edu.cn> Signed-off-by: enricosutera <enricosutera@outlook.com>
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