URL:
<http://savannah.gnu.org/bugs/?29460>
Summary: -printf %Y fails in $CWD-dependent way
Project: findutils
Submitted by: jay
Submitted on: Wed 07 Apr 2010 09:16:17 AM GMT
Category: find
Severity: 4 - Important
Item Group: Wrong result
Status: Confirmed
Privacy: Public
Assigned to: jay
Originator Name:
Originator Email: [email protected]
Open/Closed: Open
Discussion Lock: Any
Release: 4.5.7
Fixed Release: None
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Details:
This problem was diagnosed as a result of a wrongly-prepared initrd, meaning
that the original Debian bug starts off with a lot of apparently-irrelevant
material. However, the centre of the issue is this:
"""
Apparently it is affected by CWD:
14:21 ~$ cd -
/tmp
14:21 tmp$ find /tmp -name sleep -printf %Y\\n
f
f
14:21 tmp$ cd -
/home/jidanni
14:21 ~$ find /tmp -name sleep -printf %Y\\n
N
N
14:21 ~$ cd -
/tmp
14:22 tmp$ find /tmp -name sleep -printf %Y\\n
f
f
14:22 tmp$ mount|egrep /home\|/tmp
/dev/hda6 on /home type ext3 (rw)
tmpfs on /tmp type tmpfs (rw)
"""
Here we see that the result of %Y depends on the original choice of $CWD.
The problem is that find (ftsfind, not oldfind) is calling either stat or
lstat to determine the result of %Y. Since neither of these pay attention to
state.cwd_dir_fd, they will often fail to locate the file being examined and
hence produce 'N', wrongly.
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