Re: [PATCH} ntfs3: fix [df]mask display in /proc/mounts

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On 8/10/22 23:28, Marc Aurèle La France wrote:
ntfs3's dmask and fmask mount options are 16-bit quantities but are displayed
as 1-extended 32-bit values in /proc/mounts.  Fix this by circumventing
integer promotion.

This change is not eligible for stable@.

Please Reply-To-All.

Thanks and have a great day.

Marc.

Signed-off-by: Marc Aurèle La France <tsi@xxxxxxxxxx>

diff -aNpRruz -X /etc/diff.excludes linux-5.17.1/fs/ntfs3/super.c devel-5.17.1/fs/ntfs3/super.c
--- linux-5.17.1/fs/ntfs3/super.c	2022-03-28 02:03:22.000000000 -0600
+++ devel-5.17.1/fs/ntfs3/super.c	2022-03-28 07:14:10.799008309 -0600
@@ -518,9 +518,9 @@ static int ntfs_show_options(struct seq_file *m, struct dentry *root)
  	seq_printf(m, ",gid=%u",
  		  from_kgid_munged(user_ns, opts->fs_gid));
  	if (opts->fmask)
-		seq_printf(m, ",fmask=%04o", ~opts->fs_fmask_inv);
+		seq_printf(m, ",fmask=%04o", opts->fs_fmask_inv ^ 0xffff);
  	if (opts->dmask)
-		seq_printf(m, ",dmask=%04o", ~opts->fs_dmask_inv);
+		seq_printf(m, ",dmask=%04o", opts->fs_dmask_inv ^ 0xffff);
  	if (opts->nls)
  		seq_printf(m, ",iocharset=%s", opts->nls->charset);
  	else

Thanks for patch, applied!




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