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Re: bin/40813: bad ps/ptyfs interaction

The following reply was made to PR bin/40813; it has been noted by GNATS.

From: Julian Djamil Fagir <>
Subject: Re: bin/40813: bad ps/ptyfs interaction
Date: Sat, 3 Mar 2012 02:19:14 +0100

 > Dunno. Why should ps need to access the pty anyway? To get its device
 > number?
 yep, see src/bin/ps.c:
 305                 if (stat(ttypath, &sb) == -1)
 306                     err(1, "%s", ttypath);
 307                 if (!S_ISCHR(sb.st_mode))
 308                     errx(1, "%s: not a terminal", ttypath);
 309                 flag = sb.st_rdev;
 If you wouldn't fail now, you would fail later when you kvm_getproc2(3)
 without the device number.
 Regards, Julian

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