Miaoqian Lin 5d5f08fd0c xtensa: simdisk: add input size check in proc_write_simdisk ... A malicious user could pass an arbitrarily bad value to memdup_user_nul(), potentially causing kernel crash. This follows the same pattern as commit ee76746387 ("netdevsim: prevent bad user input in nsim_dev_health_break_write()") Fixes: b6c7e873da ("xtensa: ISS: add host file-based simulated disk") Fixes: 16e5c1fc36 ("convert a bunch of open-coded instances of memdup_user_nul()") Cc: stable@vger.kernel.org Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Message-Id: <20250829083015.1992751-1-linmq006@gmail.com> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>		2025-09-01 01:14:45 -07:00
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iss	xtensa: simdisk: add input size check in proc_write_simdisk	2025-09-01 01:14:45 -07:00
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