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| author | Yukihiro Matsumoto <[email protected]> | 2012-07-05 01:13:09 +0900 |
|---|---|---|
| committer | Yukihiro Matsumoto <[email protected]> | 2012-07-05 01:13:09 +0900 |
| commit | 0e9e0693b46438e37e915d9973210d39048db2c1 (patch) | |
| tree | e1d952e6aae819160df7e1ebe229331bb100542e /src/cdump.c | |
| parent | ee32521f908ae8f27cb38bc98aa619426704c02b (diff) | |
| download | mruby-0e9e0693b46438e37e915d9973210d39048db2c1.tar.gz mruby-0e9e0693b46438e37e915d9973210d39048db2c1.zip | |
big init function in cdump may overflow arena
Diffstat (limited to 'src/cdump.c')
| -rw-r--r-- | src/cdump.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/cdump.c b/src/cdump.c index 0df2bb491..1b67f6205 100644 --- a/src/cdump.c +++ b/src/cdump.c @@ -112,6 +112,7 @@ make_cdump_irep(mrb_state *mrb, int irep_no, FILE *f) return MRB_CDUMP_GENERAL_FAILURE; } + SOURCE_CODE0 (" ai = mrb->arena_idx;"); SOURCE_CODE0 (" irep = mrb->irep[idx] = mrb_malloc(mrb, sizeof(mrb_irep));"); SOURCE_CODE0 (" irep->idx = idx++;"); SOURCE_CODE (" irep->flags = %d | MRB_ISEQ_NOFREE;", irep->flags); @@ -155,6 +156,8 @@ make_cdump_irep(mrb_state *mrb, int irep_no, FILE *f) } else SOURCE_CODE0 (" irep->pool = NULL;"); + SOURCE_CODE0 (" mrb->irep_len = idx;"); + SOURCE_CODE0 (" ai = mrb->arena_idx;"); SOURCE_CODE0(""); return MRB_CDUMP_OK; } @@ -185,6 +188,7 @@ mrb_cdump_irep(mrb_state *mrb, int n, FILE *f,const char *initname) SOURCE_CODE0("{"); SOURCE_CODE0(" int n = mrb->irep_len;"); SOURCE_CODE0(" int idx = n;"); + SOURCE_CODE0(" int ai;"); SOURCE_CODE0(" mrb_irep *irep;"); SOURCE_CODE0(""); SOURCE_CODE (" mrb_add_irep(mrb, idx+%d);", irep_num); @@ -194,8 +198,6 @@ mrb_cdump_irep(mrb_state *mrb, int n, FILE *f,const char *initname) return -1; } - SOURCE_CODE0(" mrb->irep_len = idx;"); - SOURCE_CODE0(""); SOURCE_CODE0(" mrb_run(mrb, mrb_proc_new(mrb, mrb->irep[n]), mrb_top_self(mrb));"); SOURCE_CODE0("}"); |