* + fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr.patch added to -mm tree
@ 2012-03-27 22:49 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2012-03-27 22:49 UTC (permalink / raw)
To: mm-commits; +Cc: davej, viro
The patch titled
Subject: fs/xattr.c: suppress page allocation failure warnings from sys_listxattr()
has been added to the -mm tree. Its filename is
fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr.patch
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------------------------------------------------------
From: Dave Jones <davej@redhat.com>
Subject: fs/xattr.c: suppress page allocation failure warnings from sys_listxattr()
This size is user controllable, up to a maximum of XATTR_LIST_MAX (64k).
So it's trivial for someone to trigger a stream of order:4 page allocation
errors.
Signed-off-by: Dave Jones <davej@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
fs/xattr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/xattr.c~fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr fs/xattr.c
--- a/fs/xattr.c~fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr
+++ a/fs/xattr.c
@@ -496,7 +496,7 @@ listxattr(struct dentry *d, char __user
if (size) {
if (size > XATTR_LIST_MAX)
size = XATTR_LIST_MAX;
- klist = kmalloc(size, GFP_KERNEL);
+ klist = kmalloc(size, __GFP_NOWARN | GFP_KERNEL);
if (!klist)
return -ENOMEM;
}
_
Subject: Subject: fs/xattr.c: suppress page allocation failure warnings from sys_listxattr()
Patches currently in -mm which might be from davej@redhat.com are
origin.patch
linux-next.patch
fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr.patch
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2012-03-27 22:49 + fs-xattrc-suppress-page-allocation-failure-warnings-from-sys_listxattr.patch added to -mm tree akpm
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