Description of problem:
'open' syscall behaves unexpectedly, with arguments a non-existent file name,
(O_WRONLY|O_CREAT|O_TRUNC), and 0600.

Version-Release number of selected component (if applicable):
kernel-2.6.22.1-33.fc7

How reproducible:
Reproducible everytime.

Steps to Reproduce:
1. Compile the attached "touchs.S" amd64 assembly language file, using following
command:

-- begin command --
wahjava@chatteau ~ $ gcc -nostdlib -nostdinc -g -o touchs touchs.S
-- end command --

2. Execute the following command, "/tmp/_xnyt8ty8erty8y" is a non-existent file
to be created.

-- begin command --
wahjava@chatteau ~ $ ./touchs "/tmp/_xnyt8ty8erty8y" && ls -l
"/tmp/_xnyt8ty8erty8y" && date
-- end command --

  
Actual results:

Output of the command executed in step 2 is following:

-- begin output --
-rw------- 1 wahjava wahjava 0 2007-07-30 19:48 /tmp/_xnyt8ty8erty8y
Mon Jul 30 14:44:28 IST 2007
-- end output --

Expected results:

Output of the command executed on Debian Etch (2.6.18-4-amd64) kernel in step 2:

-- begin output --
-rw------- 1 wahjava wahjava 0 2007-07-30 14:44 /tmp/_xnyt8ty8erty8y
Mon Jul 30 14:44:15 IST 2007
-- end output --

Additional info:
The reason of unexpected behavior of 'sudo' is due to this bug.
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=249878