From 426c4e387da02a12bb0a6271677a538d3f856f94 Mon Sep 17 00:00:00 2001 From: Andreas Kling Date: Sat, 16 May 2020 11:21:12 +0200 Subject: [PATCH] Kernel: Use copy_to_user() in sys$gettimeofday() --- Kernel/Process.cpp | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp index 6ed4f5105f..24dc7b9e4f 100644 --- a/Kernel/Process.cpp +++ b/Kernel/Process.cpp @@ -2331,12 +2331,13 @@ void kgettimeofday(timeval& tv) tv = kgettimeofday(); } -int Process::sys$gettimeofday(timeval* tv) +int Process::sys$gettimeofday(timeval* user_tv) { REQUIRE_PROMISE(stdio); - if (!validate_write_typed(tv)) + if (!validate_write_typed(user_tv)) return -EFAULT; - *tv = kgettimeofday(); + auto tv = kgettimeofday(); + copy_to_user(user_tv, &tv); return 0; }