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authorFlorian Weimer <fweimer@redhat.com>2018-06-20 09:45:19 +0200
committerFlorian Weimer <fweimer@redhat.com>2018-06-20 09:45:19 +0200
commit2d1c89a5d7c872a1109768f50e2508cf9a4b0348 (patch)
treee81572572f2a074b00e25caa3610efd138af62ca /ChangeLog
parent646c2833ee84aa5ecc7e219f0cc6156e61c371d3 (diff)
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libio: Avoid ptrdiff_t overflow in IO_validate_vtable
If the candidate pointer is sufficiently far away from
__start___libc_IO_vtables, the result might not fit into ptrdiff_t.
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+2018-06-20  Florian Weimer  <fweimer@redhat.com>
+
+	* libio/libioP.h (IO_validate_vtable): Avoid ptrdiff_t overflow.
+
 2018-06-19  Joseph Myers  <joseph@codesourcery.com>
 
 	[BZ #23280]