Files
kernel/lib/fault-inject-usercopy.c
T
Greg Kroah-Hartman 939565a79b Linux 6.12.67
Link: https://lore.kernel.org/r/20260121181411.452263583@linuxfoundation.org
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Shuah Khan <skhan@linuxfoundation.org>
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Shung-Hsi Yu <shung-hsi.yu@suse.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Francesco Dolcini <francesco.dolcini@toradex.com>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Brett Mastbergen <bmastbergen@ciq.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-01-23 11:18:52 +01:00

40 lines
823 B
C

// SPDX-License-Identifier: GPL-2.0-only
#include <linux/fault-inject.h>
#include <linux/fault-inject-usercopy.h>
static struct {
struct fault_attr attr;
} fail_usercopy = {
.attr = FAULT_ATTR_INITIALIZER,
};
static int __init setup_fail_usercopy(char *str)
{
return setup_fault_attr(&fail_usercopy.attr, str);
}
__setup("fail_usercopy=", setup_fail_usercopy);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
static int __init fail_usercopy_debugfs(void)
{
struct dentry *dir;
dir = fault_create_debugfs_attr("fail_usercopy", NULL,
&fail_usercopy.attr);
if (IS_ERR(dir))
return PTR_ERR(dir);
return 0;
}
late_initcall(fail_usercopy_debugfs);
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
bool should_fail_usercopy(void)
{
return should_fail(&fail_usercopy.attr, 1);
}
EXPORT_SYMBOL_GPL(should_fail_usercopy);