From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/mm/memfd.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/kernel/mm/memfd.c b/kernel/mm/memfd.c
index fae4142..278e563 100644
--- a/kernel/mm/memfd.c
+++ b/kernel/mm/memfd.c
@@ -330,7 +330,8 @@
if (flags & MFD_ALLOW_SEALING) {
file_seals = memfd_file_seals_ptr(file);
- *file_seals &= ~F_SEAL_SEAL;
+ if (file_seals)
+ *file_seals &= ~F_SEAL_SEAL;
}
fd_install(fd, file);
--
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