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Adjust the size of a variable to prevent a buffer overflow

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should _PATH_DEV ever contain something different than "/dev/".
This commit is contained in:
Joey Schulze 2004-05-04 14:52:56 +00:00
parent 4205dbebda
commit a09b9865cc
1 changed files with 5 additions and 1 deletions
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6
syslogd.c
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@ -458,6 +458,10 @@ static char sccsid[] = "@(#)syslogd.c 5.27 (Berkeley) 10/10/88";
* Ensure that "len" is not placed in a register, and that the * Ensure that "len" is not placed in a register, and that the
* endtty() signal handler is not installed too early which could * endtty() signal handler is not installed too early which could
* cause a segmentation fault or worse. * cause a segmentation fault or worse.
*
* Tue May 4 16:52:01 CEST 2004: Solar Designer <solar@openwall.com>
* Adjust the size of a variable to prevent a buffer overflow
* should _PATH_DEV ever contain something different than "/dev/".
*/ */
@ -1902,7 +1906,7 @@ void wallmsg(f, iov)
register struct filed *f; register struct filed *f;
struct iovec *iov; struct iovec *iov;
{ {
char p[6 + UNAMESZ]; char p[sizeof (_PATH_DEV) + UNAMESZ];
register int i; register int i;
int ttyf, len; int ttyf, len;
static int reenter = 0; static int reenter = 0;