[issue2130] malloc(SIZE_MAX) returns a buffer sized for 0.

["Venkatesh Srinivas \(via DragonFly issue tracker\)" <sinknull@xxxxxxxxxxxxxxxxxxxxx>]

New submission from Venkatesh Srinivas <vsrinivas@dragonflybsd.org>:

malloc(SIZE_MAX) returns a buffer sized for 0 bytes on i386; this is because the
addition and mask on nmalloc.c line 824 can overflow.

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messages: 10107
nosy: vsrinivas
status: unread
title: malloc(SIZE_MAX) returns a buffer sized for 0.

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