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authorDenis Vlasenko2008-10-09 16:29:44 +0000
committerDenis Vlasenko2008-10-09 16:29:44 +0000
commitafd7a8d744b29daaedbba1969307bd9ce17e7dc3 (patch)
tree015fa25e84f72a32b31724add0969f51a03bb74d /shell/hush_test
parent07e05c100fe6ac2bc5aa3505daabb55224c06a1f (diff)
downloadbusybox-afd7a8d744b29daaedbba1969307bd9ce17e7dc3.zip
busybox-afd7a8d744b29daaedbba1969307bd9ce17e7dc3.tar.gz
hush: fix environment and memory leaks, add tests for them
function old new delta add_malloced_string_to_strings - 110 +110 run_list 1999 2086 +87 free_strings_and_unsetenv - 87 +87 hush_version_str - 18 +18 pseudo_exec_argv 139 146 +7 static.version_str 17 - -17 free_pipe 237 210 -27 done_word 790 642 -148 ------------------------------------------------------------------------------ (add/remove: 3/1 grow/shrink: 2/2 up/down: 309/-192) Total: 117 bytes
Diffstat (limited to 'shell/hush_test')
-rw-r--r--shell/hush_test/hush-vars/var_leaks.right1
-rwxr-xr-xshell/hush_test/hush-vars/var_leaks.tests14
-rwxr-xr-xshell/hush_test/hush-z_slow/leak_var.tests47
-rw-r--r--shell/hush_test/hush-z_slow/leak_var2.right2
-rwxr-xr-xshell/hush_test/hush-z_slow/leak_var2.tests63
5 files changed, 127 insertions, 0 deletions
diff --git a/shell/hush_test/hush-vars/var_leaks.right b/shell/hush_test/hush-vars/var_leaks.right
new file mode 100644
index 0000000..d86bac9
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_leaks.right
@@ -0,0 +1 @@
+OK
diff --git a/shell/hush_test/hush-vars/var_leaks.tests b/shell/hush_test/hush-vars/var_leaks.tests
new file mode 100755
index 0000000..27c8c65
--- /dev/null
+++ b/shell/hush_test/hush-vars/var_leaks.tests
@@ -0,0 +1,14 @@
+# external program
+a=b /bin/true
+env | grep ^a=
+
+# builtin
+a=b true
+env | grep ^a=
+
+# exec with redirection only
+# in bash, this leaks!
+a=b exec 1>&1
+env | grep ^a=
+
+echo OK
diff --git a/shell/hush_test/hush-z_slow/leak_var.tests b/shell/hush_test/hush-z_slow/leak_var.tests
index 388d6a7..b3e13e3 100755
--- a/shell/hush_test/hush-z_slow/leak_var.tests
+++ b/shell/hush_test/hush-z_slow/leak_var.tests
@@ -42,6 +42,53 @@ while test $i != X; do
done
end=`ps -o pid,vsz | grep "^ *$pid "`
+# Warm up again (I do need it on my machine)
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+ unset t
+ t=111111111111111111111111111111111111111111111111111111111111111111111111
+ export t
+ unset t
+ t=111111111111111111111111111111111111111111111111111111111111111111111111
+ export t
+ unset t
+ t=111111111111111111111111111111111111111111111111111111111111111111111111
+ export t
+ unset t
+ t=111111111111111111111111111111111111111111111111111111111111111111111111
+ export t
+ unset t
+ t=111111111111111111111111111111111111111111111111111111111111111111111111
+ export t
+ i=1$i
+ if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+ if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+ if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+ if test $i = 1111111111111111111111111111111111111111111114; then i=5; fi
+ if test $i = 1111111111111111111111111111111111111111111115; then i=6; fi
+ if test $i = 1111111111111111111111111111111111111111111116; then i=7; fi
+ if test $i = 1111111111111111111111111111111111111111111117; then i=8; fi
+ if test $i = 1111111111111111111111111111111111111111111118; then i=9; fi
+ if test $i = 1111111111111111111111111111111111111111111119; then i=a; fi
+ if test $i = 111111111111111111111111111111111111111111111a; then i=b; fi
+ if test $i = 111111111111111111111111111111111111111111111b; then i=c; fi
+ if test $i = 111111111111111111111111111111111111111111111c; then i=d; fi
+ if test $i = 111111111111111111111111111111111111111111111d; then i=e; fi
+ if test $i = 111111111111111111111111111111111111111111111e; then i=f; fi
+ if test $i = 111111111111111111111111111111111111111111111f; then i=g; fi
+ if test $i = 111111111111111111111111111111111111111111111g; then i=h; fi
+ if test $i = 111111111111111111111111111111111111111111111h; then i=i; fi
+ if test $i = 111111111111111111111111111111111111111111111i; then i=j; fi
+ if test $i = 111111111111111111111111111111111111111111111j; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+if test "$beg" != "$end"; then
+ true echo "vsz grows: $beg -> $end"
+else
+ true echo "vsz does not grow"
+fi
+
echo "Measuring memory leak..."
beg=`ps -o pid,vsz | grep "^ *$pid "`
i=1
diff --git a/shell/hush_test/hush-z_slow/leak_var2.right b/shell/hush_test/hush-z_slow/leak_var2.right
new file mode 100644
index 0000000..7bccc1e
--- /dev/null
+++ b/shell/hush_test/hush-z_slow/leak_var2.right
@@ -0,0 +1,2 @@
+Measuring memory leak...
+vsz does not grow
diff --git a/shell/hush_test/hush-z_slow/leak_var2.tests b/shell/hush_test/hush-z_slow/leak_var2.tests
new file mode 100755
index 0000000..09f2475
--- /dev/null
+++ b/shell/hush_test/hush-z_slow/leak_var2.tests
@@ -0,0 +1,63 @@
+pid=$$
+
+t=1
+export t
+
+# Warm up
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+ t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+ t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+ t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+ t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+ i=1$i
+ if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+ if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+ if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+ if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+
+# Warm up again (I do need it on my machine)
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+ t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+ t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+ t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+ t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+ i=1$i
+ if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+ if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+ if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+ if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+if test "$beg" != "$end"; then
+ true echo "vsz grows: $beg -> $end"
+else
+ true echo "vsz does not grow"
+fi
+
+echo "Measuring memory leak..."
+beg=`ps -o pid,vsz | grep "^ *$pid "`
+i=1
+while test $i != X; do
+ t=111111111111111111111111111111111111111111111111111111111111111111111110$i
+ t=111111111111111111111111111111111111111111111111111111111111111111111111$i true
+ t=111111111111111111111111111111111111111111111111111111111111111111111112$i /bin/true
+ t=111111111111111111111111111111111111111111111111111111111111111111111113$i exec 1>&1
+ i=1$i
+ if test $i = 1111111111111111111111111111111111111111111111; then i=2; fi
+ if test $i = 1111111111111111111111111111111111111111111112; then i=3; fi
+ if test $i = 1111111111111111111111111111111111111111111113; then i=4; fi
+ if test $i = 1111111111111111111111111111111111111111111114; then i=X; fi
+done
+end=`ps -o pid,vsz | grep "^ *$pid "`
+
+if test "$beg" != "$end"; then
+ echo "vsz grows: $beg -> $end"
+else
+ echo "vsz does not grow"
+fi