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author | daurnimator <quae@daurnimator.com> | 2017-05-23 00:05:13 +1000 |
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committer | daurnimator <quae@daurnimator.com> | 2017-05-23 00:53:05 +1000 |
commit | f7bb8409d6c57b5e9319f4f48d7d02f216b4cc32 (patch) | |
tree | ee53a653daa4c049a02c918f7627c8b5aea0518f /src/ldo.js | |
parent | ee502076941676ff570866cba36a21bf06c29fc0 (diff) | |
download | fengari-f7bb8409d6c57b5e9319f4f48d7d02f216b4cc32.tar.gz fengari-f7bb8409d6c57b5e9319f4f48d7d02f216b4cc32.tar.bz2 fengari-f7bb8409d6c57b5e9319f4f48d7d02f216b4cc32.zip |
src/ldo.js: free CallInfo to recover from (lua) stack overflow
Diffstat (limited to 'src/ldo.js')
-rw-r--r-- | src/ldo.js | 4 |
1 files changed, 4 insertions, 0 deletions
@@ -85,6 +85,10 @@ const luaD_shrinkstack = function(L) { let goodsize = inuse + Math.floor(inuse / 8) + 2*lstate.EXTRA_STACK; if (goodsize > luaconf.LUAI_MAXSTACK) goodsize = luaconf.LUAI_MAXSTACK; /* respect stack limit */ + if (L.stack.length > luaconf.LUAI_MAXSTACK) /* had been handling stack overflow? */ + lstate.luaE_freeCI(L); /* free all CIs (list grew because of an error) */ + /* if thread is currently not handling a stack overflow and its + good size is smaller than current size, shrink its stack */ if (inuse <= (luaconf.LUAI_MAXSTACK - lstate.EXTRA_STACK) && goodsize < L.stack.length) luaD_reallocstack(L, goodsize); }; |