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authorVivek Goyal <vgoyal@in.ibm.com>2006-04-03 16:38:11 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2006-04-07 09:44:30 -0700
commit72ecdfb827a267b5fb5b20016175be21b0b0f953 (patch)
tree8f35c74eaf0c56b9565a7ededc714984ad9bd103
parent01ede1fd9200b73b2ec4f906fb6af94e93577504 (diff)
[PATCH] kdump proc vmcore size oveflow fix
A couple of /proc/vmcore data structures overflow with 32bit systems having memory more than 4G. This patch fixes those. Signed-off-by: Ken'ichi Ohmichi <oomichi@mxs.nes.nec.co.jp> Signed-off-by: Vivek Goyal <vgoyal@in.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
-rw-r--r--fs/proc/vmcore.c4
-rw-r--r--include/linux/proc_fs.h2
2 files changed, 3 insertions, 3 deletions
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4063fb32f78..164a7d055e3 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -103,8 +103,8 @@ static ssize_t read_vmcore(struct file *file, char __user *buffer,
size_t buflen, loff_t *fpos)
{
ssize_t acc = 0, tmp;
- size_t tsz, nr_bytes;
- u64 start;
+ size_t tsz;
+ u64 start, nr_bytes;
struct vmcore *curr_m = NULL;
if (buflen == 0 || *fpos >= vmcore_size)
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index aa6322d4519..6c1e3478775 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -78,7 +78,7 @@ struct kcore_list {
struct vmcore {
struct list_head list;
unsigned long long paddr;
- unsigned long size;
+ unsigned long long size;
loff_t offset;
};