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| author | Kaz Kylheku <kaz@kylheku.com> | 2014-10-19 20:17:58 -0700 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2014-10-19 20:17:58 -0700 |
| commit | b50d160363fd8f2c84b23b03a5f5e9d22911693e (patch) | |
| tree | 56c923546d836054b14b667e1a2cd7d35d039d6e /ChangeLog | |
| parent | 8637782953f3eedcf7ff0499983c8c52bb0a3651 (diff) | |
| download | txr-b50d160363fd8f2c84b23b03a5f5e9d22911693e.tar.gz txr-b50d160363fd8f2c84b23b03a5f5e9d22911693e.tar.bz2 txr-b50d160363fd8f2c84b23b03a5f5e9d22911693e.zip | |
* match.c (match_fun): Bugfix: replace incorrect plain return
with debug_return. This causes a stray debug frame to be left
on the environment stack which turns to garbage, leading to
an invalid longjmp in another debug_return elsewhere
which tries to use that frame. This was diagnosed by valgrind
indicating accesses below the stack frame, and also by glibc
"longjmp causes uninitialized stack frame" abort.
Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 10 |
1 files changed, 10 insertions, 0 deletions
@@ -1,5 +1,15 @@ 2014-10-19 Kaz Kylheku <kaz@kylheku.com> + * match.c (match_fun): Bugfix: replace incorrect plain return + with debug_return. This causes a stray debug frame to be left + on the environment stack which turns to garbage, leading to + an invalid longjmp in another debug_return elsewhere + which tries to use that frame. This was diagnosed by valgrind + indicating accesses below the stack frame, and also by glibc + "longjmp causes uninitialized stack frame" abort. + +2014-10-19 Kaz Kylheku <kaz@kylheku.com> + * parser.l (lisp_parse): Bugfix: the error_stream argument must be checked to be a stream before we plant it in place of std_error, otherwise we will get a type exception thrown |