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| author | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-07-15 18:46:07 +0900 |
|---|---|---|
| committer | Nobuyoshi Nakada <nobu@ruby-lang.org> | 2020-07-15 21:39:20 +0900 |
| commit | 579645d9f870fa4116dcd3200bbbb6e2c0b7f400 (patch) | |
| tree | 8b4ec513e37f47ec76f8eada1f45d91980a29650 /eval_error.c | |
| parent | 79d06483a8ac98a87e5c32d3a34823382a72a0da (diff) | |
| download | ruby-579645d9f870fa4116dcd3200bbbb6e2c0b7f400.tar.gz | |
Fixed infinite loop at error in printing cause [Bug #17033]
Diffstat (limited to 'eval_error.c')
| -rw-r--r-- | eval_error.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/eval_error.c b/eval_error.c index e8a7243b96..1e6579c8a0 100644 --- a/eval_error.c +++ b/eval_error.c @@ -362,6 +362,7 @@ rb_ec_error_print(rb_execution_context_t * volatile ec, volatile VALUE errinfo) volatile uint8_t raised_flag = ec->raised_flag; volatile VALUE errat = Qundef; volatile VALUE emesg = Qundef; + volatile bool written = false; if (NIL_P(errinfo)) return; @@ -376,7 +377,10 @@ rb_ec_error_print(rb_execution_context_t * volatile ec, volatile VALUE errinfo) emesg = rb_get_message(errinfo); } - rb_error_write(errinfo, emesg, errat, Qnil, Qnil, Qfalse); + if (!written) { + written = true; + rb_error_write(errinfo, emesg, errat, Qnil, Qnil, Qfalse); + } EC_POP_TAG(); ec->errinfo = errinfo; |