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Ȩ Ȩ > ¿¬±¸¹®Çå > ±¹³» ³í¹®Áö > Çѱ¹Á¤º¸°úÇÐȸ ³í¹®Áö > Á¤º¸°úÇÐȸ ³í¹®Áö B : ¼ÒÇÁÆ®¿þ¾î ¹× ÀÀ¿ë

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Current Result Document : 7 / 7

ÇѱÛÁ¦¸ñ(Korean Title) ¸ðµ¨±â¹ÝÀÇ Ä¿³Î Å×½ºÆà ÇÁ·¹ÀÓ¿öÅ©
¿µ¹®Á¦¸ñ(English Title) MOdel-based KERnel Testing (MOKERT) Framework
ÀúÀÚ(Author) ±è¹®ÁÖ   È«½Å   Moonzoo Kim   Shin Hong  
¿ø¹®¼ö·Ïó(Citation) VOL 36 NO. 07 PP. 0523 ~ 0530 (2009. 07)
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(Korean Abstract)
ÃÖ±Ù ³»ÀåÇü ½Ã½ºÅÛÀÌ Á¡Á¡ ¸¹Àº ºÐ¾ß¿¡ »ç¿ëµÇ¸ç, ½Ã½ºÅÛ¿¡ ƯȭµÈ ¿î¿µÃ¼Á¦ Ä¿³Î¿¡ ´ëÇÑ Çʿ伺ÀÌ Ä¿Áö°í ÀÖ´Ù. ÇÏÁö¸¸, Ä¿³Î °³¹ßÀº ÄÚµåÀÇ º¹À⼺ µîÀÇ ÀÌÀ¯·Î ¸»¹Ì¾Ï¾Æ Å×½ºÆÿ¡ Å« ºñ¿ëÀÌ ¼Ò¿äµÊ¿¡µµ ºÒ±¸ÇÏ°í, ³ôÀº ½Å·Ú¼ºÀ» ´Þ¼ºÇϱⰡ ¾î·Á¿î ½ÇÁ¤ÀÌ´Ù. ÀÌ·¯ÇÑ Ä¿³Î °³¹ß ¹× Å×½ºÆÃÀÇ ¾î·Á¿òÀ» ±Øº¹Çϱâ À§ÇØ, ¿î¿µÃ¼Á¦ Ä¿³ÎÀÇ µ¿½Ã¼º ¿À·ù °ËÃâÀ» Áö¿øÇÏ´Â ¸ðµ¨ ±â¹ÝÀÇ Ä¿³Î Å×½ºÆà (MOKERT) ÇÁ·¹ÀÓ¿öÅ©¸¦ Á¦¾ÈÇÑ´Ù. MOKERT ÇÁ·¹ÀÓ¿öÅ©´Â ÁÖ¾îÁø C ÇÁ·Î±×·¥À» Promela Á¤Çü ¸í¼¼ ¸ðµ¨·Î º¯È¯ÇÏ°í ³ª¼­ Spin ¸ðµ¨°ËÁõ±â¸¦ »ç¿ëÇÏ¿© °ËÁõÇÏ°í, °ËÁõ¹Ý·Ê°¡ »ý¼ºµÈ °æ¿ì, ÀÌ °ËÁõ¹Ý·Ê¸¦ ½ÇÁ¦ Ä¿³Î Äڵ忡¼­ ½ÇÇàÀ» ½ÃÄѼ­ ÁøÀ§¸¦ È®ÀÎÇÑ´Ù. º» ¿¬±¸¿¡¼­´Â MOKERT ÇÁ·¹ÀÓ¿öÅ©¸¦ ¸®´ª½º procÆÄÀϽýºÅÛ¿¡ Àû¿ëÇÏ¿©, ChangeLog¿¡ º¸°íµÈ ¿À·ù°¡ ½ÇÁ¦·Î ÀÚ¿ø°æÀï¹®Á¦¸¦ ÀÏÀ¸Å´À» È®ÀÎÇÏ¿´À» »Ó¸¸ ¾Æ´Ï¶ó, Ä¿³Î ÆдÐÀ» ÀÏÀ¸Å°´Â »õ·Î¿î ¿À·ùµµ ¹ß°ßÇÏ¿´´Ù.
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(English Abstract)
Despite the growing need for customized operating system kernels for embedded devices, kernel development continues to suffer from insufficient reliability and high testing cost for several reasons such as the high complexity of the kernel code. To alleviate these difficulties, this study proposes the MOdel-based KERnel Testing (MOKERT) framework for detection of concurrency bugs in the kernel. MOKERT translates a given C program into a corresponding Promela model, and then tries to find a counter example with regard to a given requirement property. If found, MOKERT executes that counter example on the real kernel code to check whether the counter example is a false alarm or not. The MOKERT framework was applied to the Linux proc file system and confirmed that the bug reported in a ChangeLog actually caused a data race problem. In addition, a new data race bug in the Linux proc file system was found, which causes kernel panic.
Å°¿öµå(Keyword) ¸ðµ¨°ËÁõ ±â¹ý   Å×½ºÆà  °ËÁõ¹Ý·Ê ºÐ¼®   ¸ðµ¨ÃßÃâ   model checking   testing   counter example analysis   model extraction  
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