Fix unligned access in parse commit record

knizhnik · knizhnik · commit cf6fae4aa43f · 2017-02-06T14:45:39.000+03:00
diff --git a/src/backend/access/rmgrdesc/xactdesc.c b/src/backend/access/rmgrdesc/xactdesc.c
@@ -82,7 +82,7 @@ ParseCommitRecord(uint8 info, xl_xact_commit *xlrec, xl_xact_parsed_commit *pars
 		data += MinSizeOfXactTwophase;
 
 		strcpy(parsed->twophase_gid, data);
-		data += gidlen;
+		data += MAXALIGN(gidlen);
 	}
 
 	if (parsed->xinfo & XACT_XINFO_HAS_RELFILENODES)
@@ -172,7 +172,7 @@ ParseAbortRecord(uint8 info, xl_xact_abort *xlrec, xl_xact_parsed_abort *parsed)
 		data += MinSizeOfXactTwophase;
 
 		strcpy(parsed->twophase_gid, data);
-		data += gidlen;
+		data += MAXALIGN(gidlen);
 	}
 
 	if (parsed->xinfo & XACT_XINFO_HAS_ORIGIN)

Original file line number	Diff line number	Diff line change
`@@ -82,7 +82,7 @@ ParseCommitRecord(uint8 info, xl_xact_commit xlrec, xl_xact_parsed_commit pars`
`82`	`82`	`data += MinSizeOfXactTwophase;`
`83`	`83`
`84`	`84`	`strcpy(parsed->twophase_gid, data);`
`85`		`- data += gidlen;`
	`85`	`+ data += MAXALIGN(gidlen);`
`86`	`86`	`}`
`87`	`87`
`88`	`88`	`if (parsed->xinfo & XACT_XINFO_HAS_RELFILENODES)`
`@@ -172,7 +172,7 @@ ParseAbortRecord(uint8 info, xl_xact_abort xlrec, xl_xact_parsed_abort parsed)`
`172`	`172`	`data += MinSizeOfXactTwophase;`
`173`	`173`
`174`	`174`	`strcpy(parsed->twophase_gid, data);`
`175`		`- data += gidlen;`
	`175`	`+ data += MAXALIGN(gidlen);`
`176`	`176`	`}`
`177`	`177`
`178`	`178`	`if (parsed->xinfo & XACT_XINFO_HAS_ORIGIN)`