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paho.mqtt.c
Unverified Commit a66faf8c authored by Ian Craggs's avatar Ian Craggs Committed by GitHub
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Merge pull request #434 from hailinzeng/codereview 

fix memory out of bound access and stack overflow in UTF8_validate
parents 7b906794 d462b877
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src/utf-8.c
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...@@ -138,7 +138,7 @@ int UTF8_validate(int len, const char* data) ...@@ -138,7 +138,7 @@ int UTF8_validate(int len, const char* data)
} }
curdata = UTF8_char_validate(len, data); curdata = UTF8_char_validate(len, data);
while (curdata && (curdata < data + len)) while (curdata && (curdata < data + len))
curdata = UTF8_char_validate(len, curdata); curdata = UTF8_char_validate(data + len - curdata, curdata);
rc = curdata != NULL; rc = curdata != NULL;
exit: exit:
......
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