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- Subject: Re: Heap overflow in luaH_get
- From: Sergey Zakharchenko <doublef.mobile@...>
- Date: Tue, 7 Jul 2020 04:45:16 +0000
Hello Yongheng,
Yongheng Chen <changochen1@gmail.com>:
> We found a heap overflow in lua.
FWIW: Confirmed on 32-bit MIPS with moderately patched 5.4.0 (source
package md5sum dbf155764e5d433fc55ae80ea7060b60).
(gdb) bt
#0 0x7716194f in luaH_getshortstr () from .../usr/lib/liblua.so.5.4.0
#1 0x77161a69 in luaH_get () from .../usr/lib/liblua.so.5.4.0
Backtrace stopped: frame did not save the PC
Best regards,
--
DoubleF
