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Kernel: Don't forget about unveiled paths with zero permissions

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We need to keep these around, otherwise the calling process can remove
and re-add a path to increase its permissions.
This commit is contained in:
Andreas Kling 2020-01-21 11:42:28 +01:00
parent 200a5b0649
commit 1b3cac2f42
1 changed files with 0 additions and 4 deletions
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4
Kernel/Process.cpp
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@ -4657,10 +4657,6 @@ int Process::sys$unveil(const Syscall::SC_unveil_params* user_params)
if (unveiled_path.path == path.value()) { if (unveiled_path.path == path.value()) {
if (new_permissions & ~unveiled_path.permissions) if (new_permissions & ~unveiled_path.permissions)
return -EPERM; return -EPERM;
if (!new_permissions) {
m_unveiled_paths.remove(i);
return 0;
}
unveiled_path.permissions = new_permissions; unveiled_path.permissions = new_permissions;
return 0; return 0;
} }