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added warning and error to sys_arch_prctl #1319

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merged 3 commits into from
Jan 6, 2019
Merged

added warning and error to sys_arch_prctl #1319

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605a28b
added warning and error to sys_arch_prctl
sharon-lin Jan 2, 2019
f7f6f2d
Changed error message and list to set literals
sharon-lin Jan 4, 2019
cbd3caa
Removed trailing whitespace
sharon-lin Jan 4, 2019
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6 changes: 5 additions & 1 deletion manticore/platforms/linux.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1412,7 +1412,11 @@ def sys_arch_prctl(self, code, addr):
ARCH_SET_FS = 0x1002
ARCH_GET_FS = 0x1003
ARCH_GET_GS = 0x1004
assert code == ARCH_SET_FS
if code not in {ARCH_SET_GS, ARCH_SET_FS, ARCH_GET_FS, ARCH_GET_GS}:
logger.debug("code not in expected options ARCH_GET/SET_FS/GS")
return -errno.EINVAL
if code != ARCH_SET_FS:
raise NotImplementedError("Manticore supports only arch_prctl with code=ARCH_SET_FS (0x1002) for now")
self.current.FS = 0x63
self.current.set_descriptor(self.current.FS, addr, 0x4000, 'rw')
return 0
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