Miaoqian Lin 2ada5e209b mISDN: Fix memory leak in dsp_hwec_enable() ... [ Upstream commit 0704a3da7ce50f972e898bbda88d2692a22922d9 ] dsp_hwec_enable() allocates dup pointer by kstrdup(arg), but then it updates dup variable by strsep(&dup, ","). As a result when it calls kfree(dup), the dup variable may be a modified pointer that no longer points to the original allocated memory, causing a memory leak. The issue is the same pattern as fixed in commit c6a502c229 ("mISDN: Fix memory leak in dsp_pipeline_build()"). Fixes: 9a43816182 ("mISDN: Remove VLAs") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250828081457.36061-1-linmq006@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>		2025-09-09 18:54:14 +02:00
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