Date: Wed, 29 Apr 2026 21:43:11 +0000 From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 12d558d4ec73 - stable/15 - linuxkpi: Add `memdup_array_user()` Message-ID: <69f27b6f.194b7.43208d84@gitrepo.freebsd.org>
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The branch stable/15 has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=12d558d4ec7363255183b65cdfaceaf2490d202c commit 12d558d4ec7363255183b65cdfaceaf2490d202c Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2026-04-21 00:01:11 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2026-04-29 21:04:18 +0000 linuxkpi: Add `memdup_array_user()` The amdgpu DRM driver started this in Linux 6.12.x. Reviewed by: bz Sponsored by: The FreeBSD Foundation (cherry picked from commit 5dfbc6593cdacd5b4e4939e09d595b3a9c8e47da) --- sys/compat/linuxkpi/common/include/linux/string.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index ba6549804edc..b195dcc8fe9b 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -88,6 +88,17 @@ memdup_user_nul(const void *ptr, size_t len) return (retval); } +static inline void * +memdup_array_user(const void *src, size_t n, size_t size) +{ + size_t len; + + if (check_mul_overflow(n, size, &len)) + return (ERR_PTR(-EOVERFLOW)); + + return (memdup_user(src, len)); +} + static inline void * kmemdup(const void *src, size_t len, gfp_t gfp) {home | help
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