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mmap: Check if size exceeds available memory when MAP_HUGETLB

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If size exceeds, mmap fails and set -ENOMEM

Change-Id: I4f0d6e18ee3a7c8e32e251b7ed07ee9f76305603
Refs: #1183
This commit is contained in:
Ken Sato
2019-07-02 15:42:13 +09:00
committed by Masamichi Takagi
parent 2dd8687974
commit 8efced7bf7
11 changed files with 542 additions and 0 deletions
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142
test/issues/1183/C1183.sh Executable file
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#!/bin/sh
USELTP=1
USEOSTEST=0
arch=`uname -p`
if [ -f "./${arch}_config" ]; then
. ./${arch}_config
else
echo "$1 is unexpected arch"
exit 1
fi
. ../../common.sh
issue=1183
tid=01
ng=0
echo "*** C${issue}T${tid} start *******************************"
echo "** over-mapping with MAP_HUGETLB (expect mmap FAIL)"
for pgshift in ${PGSHIFT_LIST[@]}
do
echo pageshift: ${pgshift}
${MCEXEC} ./hugemap ${OVERSIZE} ${OVERSIZE} ${pgshift}
if [ $? -ne 0 ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
done
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi
echo ""
tid=02
ng=0
echo "*** C${issue}T${tid} start *******************************"
echo "** within-mapping with MAP_HUGETLB (expect mmap SUCCESS)"
for pgshift in ${PGSHIFT_LIST[@]}
do
echo pageshift: ${pgshift}
${MCEXEC} ./hugemap ${INSIZE} ${INSIZE} ${pgshift}
if [ $? -eq 0 ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
done
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi
echo ""
tid=03
ng=0
idx=0
echo "*** C${issue}T${tid} start *******************************"
echo "** multi within-mapping with MAP_HUGETLB"
for pgshift in ${PGSHIFT_LIST[@]}
do
echo pageshift: ${pgshift}
${MCEXEC} ./hugemap `expr ${MEMALL} \* 4` ${INSIZE} ${pgshift}
if [ $? -eq ${MULTI_MAP_RESULT[${idx}]} ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
let idx++
done
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi
echo ""
tid=04
ng=0
echo "*** C${issue}T${tid} start *******************************"
echo "** over-mapping without MAP_HUGETLB (expect mmap SUCCESS)"
${MCEXEC} ./hugemap ${OVERSIZE} ${OVERSIZE} -1
if [ $? -eq 0 ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi
echo ""
tid=05
ng=0
echo "*** C${issue}T${tid} start *******************************"
echo "** within-mapping without MAP_HUGETLB (expect mmap SUCCESS)"
${MCEXEC} ./hugemap ${INSIZE} ${INSIZE} -1
if [ $? -eq 0 ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi
echo ""
tid=06
ng=0
echo "*** C${issue}T${tid} start *******************************"
echo "** multi within-mapping with MAP_HUGETLB (expect mmap SUCCESS)"
${MCEXEC} ./hugemap `expr ${MEMALL} \* 4` ${INSIZE} -1
if [ $? -eq 0 ]; then
echo "** [OK]"
else
echo "** [NG]"
ng=1
fi
if [ ${ng} -eq 0 ]; then
echo "*** C${issue}T${tid}: PASSED"
else
echo "*** C${issue}T${tid}: FAILED"
fi