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Fix buffer overrun in pcfclock_read(). The submitter is the original

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author of the affected code.

PR:		16552
Submitted by:	Sascha Schumann <sascha@schumann.cx>
Approved by:	jkh
This commit is contained in:
Sheldon Hearn 2000-02-20 09:08:33 +00:00
parent e903018832
commit 4ca7c740a6
1 changed files with 3 additions and 0 deletions
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3
sys/dev/ppbus/pcfclock.c
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@ -312,6 +312,9 @@ pcfclock_read(dev_t dev, struct uio *uio, int ioflag)
char buf[18];
int error = 0;
if (uio->uio_resid < 18)
return (ERANGE);
error = pcfclock_read_dev(dev, buf, PCFCLOCK_MAX_RETRIES);
if (error) {