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Don't loop infinitely on self-referencing frame.

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This commit is contained in:
Theo Schlossnagle 2017-02-27 16:07:02 +00:00
parent 892d370edd
commit ac4e90e398
1 changed files with 5 additions and 0 deletions
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5
src/lj_debug.c
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@ -40,6 +40,11 @@ cTValue *lj_debug_frame(lua_State *L, int level, int *size)
if (frame_isvarg(frame)) if (frame_isvarg(frame))
level++; /* Skip vararg pseudo-frame. */ level++; /* Skip vararg pseudo-frame. */
frame = frame_prevd(frame); frame = frame_prevd(frame);
/* bail on infinite loop */
if (frame == nextframe) {
break;
}
} }
} }
*size = level; *size = level;