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| author | Jiri Slaby <jslaby@suse.cz> | 2012-08-07 21:47:39 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-07 08:27:25 -0700 |
| commit | 63959b0e2174f0006f2cdbc7fb06c09b033a0920 (patch) | |
| tree | 030c6d484d9f0262129bd86f97b6326e2d9d9cfb /drivers/tty/serial/amba-pl011.c | |
| parent | 0950902e1cf419d6fa060ed5f59e7cecd2400028 (diff) | |
| download | kernel_samsung_smdk4412-63959b0e2174f0006f2cdbc7fb06c09b033a0920.zip kernel_samsung_smdk4412-63959b0e2174f0006f2cdbc7fb06c09b033a0920.tar.gz kernel_samsung_smdk4412-63959b0e2174f0006f2cdbc7fb06c09b033a0920.tar.bz2 | |
TTY: ttyprintk, don't touch behind tty->write_buf
commit ee8b593affdf893012e57f4c54a21984d1b0d92e upstream.
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: Samo Pogacnik <samo_pogacnik@t-2.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/amba-pl011.c')
0 files changed, 0 insertions, 0 deletions