Author: dumbbell
Date: Tue Mar 5 11:02:05 2013
New Revision: 247837
URL: http://svnweb.freebsd.org/changeset/base/247837
Log:
g_label_ntfs.c: Mark structures as __packed
Without this, read data is mis-interpreted. This could trigger a panic,
as was the case on one computer where computed "recsize" was zero,
leading to a call to g_read_page() asking for 0 bytes.
Modified:
head/sys/geom/label/g_label_ntfs.c
Modified: head/sys/geom/label/g_label_ntfs.c
==============================================================================
--- head/sys/geom/label/g_label_ntfs.c Tue Mar 5 10:18:48 2013
(r247836)
+++ head/sys/geom/label/g_label_ntfs.c Tue Mar 5 11:02:05 2013
(r247837)
@@ -55,7 +55,7 @@ struct ntfs_attr {
uint16_t reserved3;
uint16_t a_dataoff;
uint16_t a_indexed;
-};
+} __packed;
struct ntfs_filerec {
uint32_t fr_hdrmagic;
@@ -70,7 +70,7 @@ struct ntfs_filerec {
uint32_t fr_allocated;
uint64_t fr_mainrec;
uint16_t fr_attrnum;
-};
+} __packed;
struct ntfs_bootfile {
uint8_t reserved1[3];
@@ -89,7 +89,7 @@ struct ntfs_bootfile {
uint8_t bf_mftrecsz;
uint32_t bf_ibsz;
uint32_t bf_volsn;
-};
+} __packed;
static void
g_label_ntfs_taste(struct g_consumer *cp, char *label, size_t size)
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