Messages in this thread | | | Subject | Re: [PATCH v3] wifi: wilc1000: use vmm_table as array in wilc struct | From | Kalle Valo <> | Date | Thu, 19 Oct 2023 07:30:51 +0000 (UTC) |
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Alexis Lothoré <alexis.lothore@bootlin.com> wrote:
> From: Ajay Singh <ajay.kathat@microchip.com> > > Enabling KASAN and running some iperf tests raises some memory issues with > vmm_table: > > BUG: KASAN: slab-out-of-bounds in wilc_wlan_handle_txq+0x6ac/0xdb4 > Write of size 4 at addr c3a61540 by task wlan0-tx/95 > > KASAN detects that we are writing data beyond range allocated to vmm_table. > There is indeed a mismatch between the size passed to allocator in > wilc_wlan_init, and the range of possible indexes used later: allocation > size is missing a multiplication by sizeof(u32) > > Fixes: 40b717bfcefa ("wifi: wilc1000: fix DMA on stack objects") > Cc: stable@vger.kernel.org > Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> > Signed-off-by: Alexis Lothoré <alexis.lothore@bootlin.com> > Reviewed-by: Michael Walle <mwalle@kernel.org> > Reviewed-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Patch applied to wireless-next.git, thanks.
05ac1a198a63 wifi: wilc1000: use vmm_table as array in wilc struct
-- https://patchwork.kernel.org/project/linux-wireless/patch/20231017-wilc1000_tx_oops-v3-1-b2155f1f7bee@bootlin.com/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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