[nuttx] branch master updated: libc/fdsan: keep f_tag unchanged

[xi...@apache.org]

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xiaoxiang pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/nuttx.git


The following commit(s) were added to refs/heads/master by this push:
     new 02628deb55 libc/fdsan: keep f_tag unchanged
02628deb55 is described below

commit 02628deb55b19a36049cad2e7b6469b4cb442351
Author: hujun5 <hu...@xiaomi.com>
AuthorDate: Thu Jun 8 18:43:40 2023 +0800

    libc/fdsan: keep f_tag unchanged
    
    When the file pointer is reopened, keep f_tag unchanged as fd remains unchanged
    fix issue https://github.com/apache/nuttx/issues/9494
    
    Signed-off-by: hujun5 <hu...@xiaomi.com>
---
 fs/inode/fs_files.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/inode/fs_files.c b/fs/inode/fs_files.c
index 8db30136f2..e75cd91019 100644
--- a/fs/inode/fs_files.c
+++ b/fs/inode/fs_files.c
@@ -525,6 +525,11 @@ int nx_dup2_from_tcb(FAR struct tcb_s *tcb, int fd1, int fd2)
   ret = file_dup2(&list->fl_files[fd1 / CONFIG_NFILE_DESCRIPTORS_PER_BLOCK]
                                  [fd1 % CONFIG_NFILE_DESCRIPTORS_PER_BLOCK],
                   filep);
+
+#ifdef CONFIG_FDSAN
+  filep->f_tag = file.f_tag;
+#endif
+
   nxmutex_unlock(&list->fl_lock);
 
   file_close(&file);