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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2021-02-26 22:16:07 +0900 |
|---|---|---|
| committer | Yukihiro "Matz" Matsumoto <[email protected]> | 2021-02-26 22:16:07 +0900 |
| commit | 30b1287df5d2dc23b797a578e4916199715754ef (patch) | |
| tree | 6ff3a5e97669b65b142dee530fee2dc619909ee0 /src | |
| parent | 5d371604557c7f0c006334c1383c5f8fe84ae38a (diff) | |
| download | mruby-30b1287df5d2dc23b797a578e4916199715754ef.tar.gz mruby-30b1287df5d2dc23b797a578e4916199715754ef.zip | |
state.c: check irep reference count overflow.
Diffstat (limited to 'src')
| -rw-r--r-- | src/state.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/state.c b/src/state.c index 83cbf1629..d3be618f1 100644 --- a/src/state.c +++ b/src/state.c @@ -4,6 +4,7 @@ ** See Copyright Notice in mruby.h */ +#include <stdint.h> #include <stdlib.h> #include <string.h> #include <mruby.h> @@ -110,6 +111,12 @@ void mrb_irep_incref(mrb_state *mrb, mrb_irep *irep) { if (irep->flags & MRB_IREP_NO_FREE) return; + if (irep->refcnt == UINT16_MAX) { + mrb_garbage_collect(mrb); + if (irep->refcnt == UINT16_MAX) { + mrb_raise(mrb, E_RUNTIME_ERROR, "too many irep references"); + } + } irep->refcnt++; } |