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-rw-r--r--src/xz/file_io.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/src/xz/file_io.c b/src/xz/file_io.c
index 3f5279f0..29f46ea7 100644
--- a/src/xz/file_io.c
+++ b/src/xz/file_io.c
@@ -199,11 +199,19 @@ io_sandbox_enter(int src_fd)
CAP_EVENT, CAP_FCNTL, CAP_LOOKUP, CAP_READ, CAP_SEEK)))
goto error;
+ if (src_fd != STDIN_FILENO && cap_rights_limit(
+ STDIN_FILENO, cap_rights_clear(&rights)))
+ goto error;
+
if (cap_rights_limit(STDOUT_FILENO, cap_rights_init(&rights,
CAP_EVENT, CAP_FCNTL, CAP_FSTAT, CAP_LOOKUP,
CAP_WRITE, CAP_SEEK)))
goto error;
+ if (cap_rights_limit(STDERR_FILENO, cap_rights_init(&rights,
+ CAP_WRITE)))
+ goto error;
+
if (cap_rights_limit(user_abort_pipe[0], cap_rights_init(&rights,
CAP_EVENT)))
goto error;