grub2/0148-Fix-malformed-tftp-packets.patch
Peter Jones 81987f4958 Update grub2 for f28
- Try to fix things for new compiler madness.
  I really don't know why gcc decided __attribute__((packed)) on a "typedef
  struct" should imply __attribute__((align (1))) and that it should have a
  warning that it does so.  The obvious behavior would be to keep the alignment
  of the first element unless it's used in another object or type that /also/
  hask the packed attribute.  Why should it change the default alignment at
  all?
- Merge in the BLS patches Javier and I wrote.
- Attempt to fix pmtimer initialization failures to not be super duper slow.

Signed-off-by: Peter Jones <pjones@redhat.com>
2018-02-28 09:40:44 -05:00

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1.3 KiB
Diff

From 700684eaa76046ceaca607877c897c50c7fbddb5 Mon Sep 17 00:00:00 2001
From: Mark Salter <msalter@redhat.com>
Date: Tue, 7 Mar 2017 18:26:17 -0500
Subject: [PATCH 148/206] Fix malformed tftp packets
0088-Normalize-slashes-in-tftp-paths.patch collapses multiple contiguous
slashes in a filename into one slash in the tftp packet filename field.
However, the packet buffer pointer is advanced using the original name.
This leaves unitialized data between the name field and the type field
leading to tftp errors. Use the length of the normalized name to avoid
this.
Signed-off-by: Mark Salter <msalter@redhat.com>
---
grub-core/net/tftp.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/grub-core/net/tftp.c b/grub-core/net/tftp.c
index 5ca0a96a6f6..dcd82494309 100644
--- a/grub-core/net/tftp.c
+++ b/grub-core/net/tftp.c
@@ -360,8 +360,8 @@ tftp_open (struct grub_file *file, const char *filename)
/* Copy and normalize the filename to work-around issues on some tftp
servers when file names are being matched for remapping. */
grub_normalize_filename (rrq, filename);
- rrqlen += grub_strlen (filename) + 1;
- rrq += grub_strlen (filename) + 1;
+ rrqlen += grub_strlen (rrq) + 1;
+ rrq += grub_strlen (rrq) + 1;
grub_strcpy (rrq, "octet");
rrqlen += grub_strlen ("octet") + 1;
--
2.15.0