drivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error
[ Upstream commit 46d7ebfe6a75a454a5fa28604f0ef1491f9d8d14 ] Ensure index in rtl2830_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue. Fixes: df70ddad ("[media] rtl2830: implement PID filter") Signed-off-by:Junlin Li <make24@iscas.ac.cn> Signed-off-by:
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