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author | Jiri Slaby <jslaby@suse.cz> | 2012-08-07 19:47:39 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-08-10 20:29:57 (GMT) |
commit | ee8b593affdf893012e57f4c54a21984d1b0d92e (patch) | |
tree | f1c00109d602344142a66ecfa2bca504ce2387bd /drivers/uio | |
parent | f06fb543c1d0cbd721250b72ee1244178a38aa9d (diff) | |
download | linux-fsl-qoriq-ee8b593affdf893012e57f4c54a21984d1b0d92e.tar.xz |
TTY: ttyprintk, don't touch behind tty->write_buf
If a user provides a buffer larger than a tty->write_buf chunk and
passes '\r' at the end of the buffer, we touch an out-of-bound memory.
Add a check there to prevent this.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: stable@vger.kernel.org (everything maintained past v2.6.37)
Cc: Samo Pogacnik <samo_pogacnik@t-2.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio')
0 files changed, 0 insertions, 0 deletions