Revision 15b7b737deb30e1f8f116a08e723173b55ebd2f3 authored by David Matlack on 13 July 2021, 22:09:56 UTC, committed by Paolo Bonzini on 27 July 2021, 20:58:59 UTC
There is a missing break statement which causes a fallthrough to the next statement where optarg will be null and a segmentation fault will be generated. Fixes: 9e965bb75aae ("KVM: selftests: Add backing src parameter to dirty_log_perf_test") Reviewed-by: Ben Gardon <bgardon@google.com> Signed-off-by: David Matlack <dmatlack@google.com> Message-Id: <20210713220957.3493520-6-dmatlack@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 parent 76b4f35
xattr_trusted.c
// SPDX-License-Identifier: GPL-2.0
#include "reiserfs.h"
#include <linux/capability.h>
#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/pagemap.h>
#include <linux/xattr.h>
#include "xattr.h"
#include <linux/uaccess.h>
static int
trusted_get(const struct xattr_handler *handler, struct dentry *unused,
struct inode *inode, const char *name, void *buffer, size_t size)
{
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_get(inode, xattr_full_name(handler, name),
buffer, size);
}
static int
trusted_set(const struct xattr_handler *handler,
struct user_namespace *mnt_userns, struct dentry *unused,
struct inode *inode, const char *name, const void *buffer,
size_t size, int flags)
{
if (!capable(CAP_SYS_ADMIN) || IS_PRIVATE(inode))
return -EPERM;
return reiserfs_xattr_set(inode,
xattr_full_name(handler, name),
buffer, size, flags);
}
static bool trusted_list(struct dentry *dentry)
{
return capable(CAP_SYS_ADMIN) && !IS_PRIVATE(d_inode(dentry));
}
const struct xattr_handler reiserfs_xattr_trusted_handler = {
.prefix = XATTR_TRUSTED_PREFIX,
.get = trusted_get,
.set = trusted_set,
.list = trusted_list,
};
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