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Kernel: Remove SmapDisabler in sys$setgroups()

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This commit is contained in:
Andreas Kling 2020-02-16 00:27:10 +01:00
parent 0341ddc5eb
commit eb7b0c76a8
Notes: sideshowbarker 2024-07-19 09:17:39 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/eb7b0c76a82
1 changed files with 7 additions and 3 deletions
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10
Kernel/Process.cpp
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@ -2618,17 +2618,21 @@ int Process::sys$getgroups(ssize_t count, gid_t* gids)
return 0;
}
int Process::sys$setgroups(ssize_t count, const gid_t* gids)
int Process::sys$setgroups(ssize_t count, const gid_t* user_gids)
{
REQUIRE_PROMISE(id);
if (count < 0)
return -EINVAL;
if (!is_superuser())
return -EPERM;
if (count && !validate_read(gids, count))
if (count && !validate_read(user_gids, count))
return -EFAULT;
Vector<gid_t> gids;
gids.resize(count);
copy_from_user(gids.data(), user_gids, sizeof(gid_t) * count);
m_extra_gids.clear();
SmapDisabler disabler;
for (int i = 0; i < count; ++i) {
if (gids[i] == m_gid)
continue;