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| author | Yukihiro "Matz" Matsumoto <[email protected]> | 2018-04-23 13:13:36 +0900 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-04-23 13:13:36 +0900 |
| commit | 1ca06f407bfb2e2c572956d1ce83ddcb9f55a15d (patch) | |
| tree | da47f48e617c7daecb92b92f715442a3af63f0c1 /src | |
| parent | 2213deeeaaa39ee28dc2d369f71fe7ffdee09e54 (diff) | |
| parent | 25c40c2f121940a01071f4b9d928b87e28b3341b (diff) | |
| download | mruby-1ca06f407bfb2e2c572956d1ce83ddcb9f55a15d.tar.gz mruby-1ca06f407bfb2e2c572956d1ce83ddcb9f55a15d.zip | |
Merge pull request #4006 from take-cheeze/fix_ub_check
Fix undefined error of pointer dereference.
Diffstat (limited to 'src')
| -rw-r--r-- | src/backtrace.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/backtrace.c b/src/backtrace.c index 30febdc1c..57ae7fd7f 100644 --- a/src/backtrace.c +++ b/src/backtrace.c @@ -51,6 +51,7 @@ each_backtrace(mrb_state *mrb, ptrdiff_t ciidx, mrb_code *pc0, each_backtrace_fu pc = mrb->c->cibase[i].err; } else if (i+1 <= ciidx) { + if (!mrb->c->cibase[i + 1].pc) continue; pc = &mrb->c->cibase[i+1].pc[-1]; } else { |