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d0583c4039
glibc/sysdeps/unix
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Aurelien Jarno d0583c4039 ptsname_r: don't leak uninitialized memory (BZ #16917) 
If the fd refers to a terminal device, but not a pty master, the
TIOCGPTN ioctl returns with ENOTTY. This error is not caught, and the
possibly undefined buffer passed to ptsname_r is sent directly to the
stat64 syscall.

Fix this by using a fallback to the old method only if the TIOCGPTN
ioctl fails with EINVAL. This also fix the return value in that specific
case (it return ENOENT without this patch).

Also add tests to the ptsname_r function (and ptsname at the same time).

Note: this is Debian bug#741482, reported by Jakub Wilk <jwilk@debian.org>
2014-05-16 00:07:29 +02:00
..
alpha alpha: Fix __pointer_chk_guard definition for the testsuite 2014-04-16 21:35:27 -07:00
arm Move arm from ports to libc. 2014-02-08 01:49:39 +00:00
bsd Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
i386 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
inet Move nss directory into sysdeps Subdirs. 2013-02-05 14:32:48 -08:00
mips Move mips from ports to libc. 2014-02-10 23:30:21 +00:00
powerpc Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
sh Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
sysv/linux ptsname_r: don't leak uninitialized memory (BZ #16917) 2014-05-16 00:07:29 +02:00
x86_64 Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
clock_gettime.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
clock_nanosleep.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
clock_settime.c Use glibc_likely instead __builtin_expect. 2014-02-10 15:07:12 +01:00
confstr.h
get_child_max.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
getlogin_r.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
getlogin.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
getpagesize.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
grantpt.c Fix macro warning on HAVE_PT_CHOWN 2014-05-14 09:46:54 +02:00
ifreq.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Implies
make-syscalls.sh don't use Bash-specific ${parameter/pattern/string} expansion 2013-09-28 23:03:09 -04:00
Makefile Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
s-proto-cancel.S
s-proto.S
setxid.h
sockatmark.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
stime.c Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
Subdirs
syscall-template.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
syscall.S Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00
syscalls.list Name space hygeine for madvise. 2012-10-04 16:31:43 -07:00
sysdep.h Update copyright notices with scripts/update-copyrights 2014-01-01 22:00:23 +10:00