[Bug 1772] Double free corruption in libnftables

[bugzilla-daemon at netfilter.org]

https://bugzilla.netfilter.org/show_bug.cgi?id=1772

Phil Sutter <phil at nwl.cc> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|---                         |FIXED
                 CC|                            |phil at nwl.cc

--- Comment #1 from Phil Sutter <phil at nwl.cc> ---
Fixed upstream in commit d361be1f87344 ("libnftables: Zero ctx->vars after
freeing it").

A workaround for this specific case is to just not calling nft_ctx_clear_vars()
as it is redundant if followed by a call to nft_ctx_free().

Thanks for reporting!

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