Commit 703bf2d1 authored by Dave Jones's avatar Dave Jones Committed by Linus Torvalds

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: default avatarDave Jones <davej@redhat.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Dave Chinner <david@fromorbit.com>
Acked-by: default avatarDavid Rientjes <rientjes@google.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent b82c3287
......@@ -496,7 +496,7 @@ listxattr(struct dentry *d, char __user *list, size_t size)
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;
}
......
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