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author | Jan Kratochvil <jan.kratochvil@redhat.com> | 2008-12-22 13:19:30 +0000 |
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committer | Jan Kratochvil <jan.kratochvil@redhat.com> | 2008-12-22 13:19:30 +0000 |
commit | 6f4de6c97dfed92a46f3cd2d7d841b79da58ac81 (patch) | |
tree | b060aea3209750b7566b8e5a00106f2c40460f05 /gdb/completer.c | |
parent | 567e1b4ec8fc6ef29e662987c5314f4cdb4bf287 (diff) | |
download | gdb-6f4de6c97dfed92a46f3cd2d7d841b79da58ac81.zip gdb-6f4de6c97dfed92a46f3cd2d7d841b79da58ac81.tar.gz gdb-6f4de6c97dfed92a46f3cd2d7d841b79da58ac81.tar.bz2 |
gdb/
Fix memory double-free.
* completer.c (line_completion_function): Clear LIST after called xfree.
gdb/testsuite/
* gdb.base/completion.exp (Completing non-existing component): New test.
Diffstat (limited to 'gdb/completer.c')
-rw-r--r-- | gdb/completer.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/gdb/completer.c b/gdb/completer.c index d109140..4747a42 100644 --- a/gdb/completer.c +++ b/gdb/completer.c @@ -752,8 +752,10 @@ line_completion_function (const char *text, int matches, if (list) { /* Free the storage used by LIST, but not by the strings inside. - This is because rl_complete_internal () frees the strings. */ + This is because rl_complete_internal () frees the strings. + As complete_line may abort by calling `error' clear LIST now. */ xfree (list); + list = NULL; } index = 0; list = complete_line (text, line_buffer, point); |