This is a regression test for a crash happening if the first dirent in the block matches. Code tried to access a predecessor entry which does not exist. The crash happened for any block, but "." is always the first entry in the first directory block and thus easy to check for.
Signed-off-by: Stefan Brüns stefan.bruens@rwth-aachen.de --- test/fs/fs-test.sh | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/test/fs/fs-test.sh b/test/fs/fs-test.sh index 12450ed..cb2a765 100755 --- a/test/fs/fs-test.sh +++ b/test/fs/fs-test.sh @@ -291,6 +291,12 @@ ${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_WRITE md5sum $addr $filesize setenv filesize # + +# Next test case checks writing a file whose dirent +# is the first in the block, which is always true for "." +# The write should fail, but the lookup should work +# Test Case 12 - Check directory traversal +${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}. 0x10 reset
EOF @@ -471,6 +477,11 @@ function check_results() { pass_fail "TC11: 1MB write to $5 - write succeeded" check_md5 "Test Case 11b " "$1" "$2" 1 \ "TC11: 1MB write to $5 - content verified" + + # Check lookup of 'dot' directory + grep -A5 "Test Case 12 " "$1" | \ + egrep -q 'Unable to write file' + pass_fail "TC12: 1MB write to . - write denied" echo "** End $1" }