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ALSA: core: fix buffer overflow in snd_info_get_line()
authorClemens Ladisch <clemens@ladisch.de>
Thu, 21 Aug 2014 18:55:21 +0000 (20:55 +0200)
committerTakashi Iwai <tiwai@suse.de>
Fri, 22 Aug 2014 05:21:05 +0000 (07:21 +0200)
commitddc64b278a4dda052390b3de1b551e59acdff105
tree8558903d00277fdb90191da087927fe66a1dd130tree | snapshot (tar.gz zip)
parentca2e7224d7e7d424e69616634f90f3f428710085commit | diff
ALSA: core: fix buffer overflow in snd_info_get_line()

snd_info_get_line() documents that its last parameter must be one
less than the buffer size, but this API design guarantees that
(literally) every caller gets it wrong.

Just change this parameter to have its obvious meaning.

Reported-by: Tommi Rantala <tt.rantala@gmail.com>
Cc: <stable@vger.kernel.org> # v2.2.26+
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/core/info.c diff | blob | blame | history