Messages in this thread | | | Date | Thu, 08 Aug 2019 11:12:49 +0200 | From | Takashi Iwai <> | Subject | Re: [alsa-devel] [PATCH] ALSA: firewire: fix a memory leak bug |
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On Thu, 08 Aug 2019 11:04:03 +0200, Takashi Sakamoto wrote: > > Hi, > > On Thu, Aug 8, 2019, at 14:53, Wenwen Wang wrote: > > In iso_packets_buffer_init(), 'b->packets' is allocated through > > kmalloc_array(). Then, the aligned packet size is checked. If it is > > larger than PAGE_SIZE, -EINVAL will be returned to indicate the error. > > However, the allocated 'b->packets' is not deallocated on this path, > > leading to a memory leak. > > > > To fix the above issue, free 'b->packets' before returning the error code. > > > > Signed-off-by: Wenwen Wang <wenwen@cs.uga.edu> > > --- > > sound/firewire/packets-buffer.c | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> > > And this bug exists till its first commit for v2.6.39. > > Fixes: 31ef9134eb52 ("ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver") > Cc: <stable@vger.kernel.org> # v2.6.39+
Applied, thanks.
Takashi
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