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Merge branch 'khorben/479-assert-brk'

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Pierre Pronchery
2018-05-09 03:29:29 +02:00
parent 44ef97ec6c 84fca4cabf
commit a36ebdc210
1 changed files with 2 additions and 2 deletions
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manticore/platforms/linux.py
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@@ -1336,11 +1336,11 @@ class Linux(Platform):
:raises error:
- "Error in brk!" if there is any error allocating the memory
'''
if brk != 0 and brk != self.elf_brk:
if brk != 0 and brk > self.elf_brk:
mem = self.current.memory
size = brk - self.elf_brk
perms = mem.perms(self.elf_brk - 1)
if brk > mem._ceil(self.elf_brk):
perms = mem.perms(self.elf_brk - 1)
addr = mem.mmap(mem._ceil(self.elf_brk), size, perms)
assert mem._ceil(self.elf_brk) == addr, "Error in brk!"
self.elf_brk += size