[PATCH 03/11] syscalls.cc: Fix num_links

Ben Wijen ben@wijen.net
Fri Jan 15 13:45:26 GMT 2021


NtQueryInformationFile on fh_ro needs FILE_READ_ATTRIBUTES
to succeed.
---
 winsup/cygwin/syscalls.cc | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 0e89b4f44..227d1a911 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -767,8 +767,9 @@ _unlink_nt (path_conv &pc, bool shareable)
       if ((pc.fs_flags () & FILE_SUPPORTS_TRANSACTIONS))
 	start_transaction (old_trans, trans);
 retry_open:
-      status = NtOpenFile (&fh_ro, FILE_WRITE_ATTRIBUTES, &attr, &io,
-			   FILE_SHARE_VALID_FLAGS, flags);
+      status = NtOpenFile (&fh_ro,
+                           FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES,
+                           &attr, &io, FILE_SHARE_VALID_FLAGS, flags);
       if (NT_SUCCESS (status))
 	{
 	  debug_printf ("Opening %S for removing R/O succeeded",
-- 
2.29.2



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