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Re: SV: Log files polluted with permission denied error messages after every 10 seconds

Andrus <kobruleht2@hot.ee>

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From: Andrus <kobruleht2@hot.ee>
To: Laurenz Albe <laurenz.albe@cybertec.at>, Michael Paquier <michael@paquier.xyz>
Cc: Thomas Munro <thomas.munro@gmail.com>, Niels Jespersen <NJN@dst.dk>, Tom Lane <tgl@sss.pgh.pa.us>, pgsql-general <pgsql-general@postgresql.org>
Date: 2021-03-17T15:24:42Z
Lists: pgsql-general 
Hi!

BUFFER OVERFLOW result stack trace is

"Frame","Module","Location","Address","Path"
"0","FLTMGR.SYS","FltDecodeParameters + 
0x1c5d","0xfffff8019f72555d","C:\Windows\System32\drivers\FLTMGR.SYS"
"1","FLTMGR.SYS","FltDecodeParameters + 
0x17bc","0xfffff8019f7250bc","C:\Windows\System32\drivers\FLTMGR.SYS"
"2","FLTMGR.SYS","FltDecodeParameters + 
0x1328","0xfffff8019f724c28","C:\Windows\System32\drivers\FLTMGR.SYS"
"3","FLTMGR.SYS","FltDecodeParameters + 
0x111e","0xfffff8019f724a1e","C:\Windows\System32\drivers\FLTMGR.SYS"
"4","ntoskrnl.exe","IofCallDriver + 
0x59","0xfffff80051856109","C:\Windows\system32\ntoskrnl.exe"
"5","ntoskrnl.exe","KeIsAttachedProcess + 
0xf3","0xfffff80051929343","C:\Windows\system32\ntoskrnl.exe"
"6","ntoskrnl.exe","NtQueryInformationFile + 
0x492","0xfffff80051e8b5c2","C:\Windows\system32\ntoskrnl.exe"
"7","ntoskrnl.exe","setjmpex + 
0x7905","0xfffff800519e6705","C:\Windows\system32\ntoskrnl.exe"
"8","<unknown>","0x7ffc7a17f9e4","0x7ffc7a17f9e4",""
"9","<unknown>","0x7ffc7639af04","0x7ffc7639af04",""
"10","<unknown>","0x7ffc7728fe86","0x7ffc7728fe86",""
"11","<unknown>","0x7ffc7728f622","0x7ffc7728f622",""
"12","<unknown>","0x7ffc77290a46","0x7ffc77290a46",""
"13","<unknown>","0x14048ccca","0x14048ccca",""
"14","<unknown>","0x14009463b","0x14009463b",""
"15","<unknown>","0x140094365","0x140094365",""
"16","<unknown>","0x14008e541","0x14008e541",""
"17","<unknown>","0x140286f46","0x140286f46",""
"18","<unknown>","0x1400a17ca","0x1400a17ca",""
"19","<unknown>","0x1402923cb","0x1402923cb",""
"20","<unknown>","0x1401b95c0","0x1401b95c0",""
"21","<unknown>","0x14049f304","0x14049f304",""
"22","<unknown>","0x7ffc77bb7974","0x7ffc77bb7974",""
"23","<unknown>","0x7ffc7a13a2d1","0x7ffc7a13a2d1",""

It looks like too small buffer is passed to NtQueryInformationFile .

Andrus.

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Fix concurrency issues with WAL segment recycling on Windows