kernel/patch-6.10-redhat.patch
Justin M. Forbes 27e98f5c04
kernel-6.10.4-200
* Sun Aug 11 2024 Justin M. Forbes <jforbes@fedoraproject.org> [6.10.4-0]
- wifi: brcmfmac: cfg80211: Handle SSID based pmksa deletion (Janne Grunau)
- New config for 6.10.3 (Justin M. Forbes)
- Linux v6.10.4
Resolves:

Signed-off-by: Justin M. Forbes <jforbes@fedoraproject.org>
2024-08-11 09:05:40 -06:00

1959 lines
60 KiB
Diff

Makefile | 12 ++
arch/arm/Kconfig | 4 +-
arch/arm64/Kconfig | 2 +-
arch/s390/include/asm/ipl.h | 1 +
arch/s390/kernel/ipl.c | 5 +
arch/s390/kernel/setup.c | 4 +
arch/x86/kernel/setup.c | 22 ++-
certs/extract-cert.c | 25 +---
crypto/drbg.c | 18 ++-
crypto/rng.c | 149 ++++++++++++++++++---
drivers/acpi/apei/hest.c | 8 ++
drivers/acpi/irq.c | 17 ++-
drivers/acpi/scan.c | 9 ++
drivers/ata/libahci.c | 18 +++
drivers/char/ipmi/ipmi_dmi.c | 15 +++
drivers/char/ipmi/ipmi_msghandler.c | 16 ++-
drivers/char/random.c | 122 +++++++++++++++++
drivers/firmware/efi/Makefile | 1 +
drivers/firmware/efi/efi.c | 124 ++++++++++++-----
drivers/firmware/efi/secureboot.c | 38 ++++++
drivers/hid/hid-rmi.c | 66 ---------
drivers/hwtracing/coresight/coresight-etm4x-core.c | 19 +++
drivers/input/rmi4/rmi_driver.c | 124 ++++++++++-------
drivers/iommu/iommu.c | 22 +++
drivers/media/pci/intel/ipu-bridge.c | 40 ++++--
.../broadcom/brcm80211/brcmfmac/cfg80211.c | 13 +-
drivers/pci/quirks.c | 24 ++++
drivers/scsi/sd.c | 10 ++
drivers/usb/core/hub.c | 7 +
include/linux/crypto.h | 1 +
include/linux/efi.h | 22 ++-
include/linux/lsm_hook_defs.h | 2 +
include/linux/random.h | 10 ++
include/linux/rmi.h | 1 +
include/linux/security.h | 5 +
kernel/module/signing.c | 9 +-
scripts/sign-file.c | 29 +---
scripts/tags.sh | 2 +
security/integrity/platform_certs/load_uefi.c | 6 +-
security/lockdown/Kconfig | 13 ++
security/lockdown/lockdown.c | 1 +
security/security.c | 12 ++
42 files changed, 789 insertions(+), 259 deletions(-)
diff --git a/Makefile b/Makefile
index aec5cc0babf8..d1c4b7c6cdea 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,18 @@ $(if $(filter __%, $(MAKECMDGOALS)), \
PHONY := __all
__all:
+# Set RHEL variables
+# Note that this ifdef'ery is required to handle when building with
+# the O= mechanism (relocate the object file results) due to upstream
+# commit 67d7c302 which broke our RHEL include file
+ifneq ($(realpath source),)
+include $(realpath source)/Makefile.rhelver
+else
+ifneq ($(realpath Makefile.rhelver),)
+include Makefile.rhelver
+endif
+endif
+
# We are using a recursive build, so we need to do a little thinking
# to get the ordering right.
#
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ee5115252aac..7f3796df8404 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1224,9 +1224,9 @@ config HIGHMEM
If unsure, say n.
config HIGHPTE
- bool "Allocate 2nd-level pagetables from highmem" if EXPERT
+ bool "Allocate 2nd-level pagetables from highmem"
depends on HIGHMEM
- default y
+ default n
help
The VM uses one page of physical memory for each page table.
For systems with a lot of processes, this can use a lot of
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 5d91259ee7b5..3a9f1962da72 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -1368,7 +1368,7 @@ endchoice
config ARM64_FORCE_52BIT
bool "Force 52-bit virtual addresses for userspace"
- depends on ARM64_VA_BITS_52 && EXPERT
+ depends on ARM64_VA_BITS_52
help
For systems with 52-bit userspace VAs enabled, the kernel will attempt
to maintain compatibility with older software by providing 48-bit VAs
diff --git a/arch/s390/include/asm/ipl.h b/arch/s390/include/asm/ipl.h
index b0d00032479d..afb9544fb007 100644
--- a/arch/s390/include/asm/ipl.h
+++ b/arch/s390/include/asm/ipl.h
@@ -139,6 +139,7 @@ int ipl_report_add_component(struct ipl_report *report, struct kexec_buf *kbuf,
unsigned char flags, unsigned short cert);
int ipl_report_add_certificate(struct ipl_report *report, void *key,
unsigned long addr, unsigned long len);
+bool ipl_get_secureboot(void);
/*
* DIAG 308 support
diff --git a/arch/s390/kernel/ipl.c b/arch/s390/kernel/ipl.c
index 3a7d6e172211..8163a2173247 100644
--- a/arch/s390/kernel/ipl.c
+++ b/arch/s390/kernel/ipl.c
@@ -2479,3 +2479,8 @@ int ipl_report_free(struct ipl_report *report)
}
#endif
+
+bool ipl_get_secureboot(void)
+{
+ return !!ipl_secure_flag;
+}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 610e6f794511..4fc7aca3f572 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -49,6 +49,7 @@
#include <linux/memory.h>
#include <linux/compat.h>
#include <linux/start_kernel.h>
+#include <linux/security.h>
#include <linux/hugetlb.h>
#include <linux/kmemleak.h>
@@ -891,6 +892,9 @@ void __init setup_arch(char **cmdline_p)
log_component_list();
+ if (ipl_get_secureboot())
+ security_lock_kernel_down("Secure IPL mode", LOCKDOWN_INTEGRITY_MAX);
+
/* Have one command line that is parsed and saved in /proc/cmdline */
/* boot_command_line has been already set up in early.c */
*cmdline_p = boot_command_line;
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 05c5aa951da7..da521c6f1cf2 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -21,6 +21,7 @@
#include <linux/root_dev.h>
#include <linux/hugetlb.h>
#include <linux/tboot.h>
+#include <linux/security.h>
#include <linux/usb/xhci-dbgp.h>
#include <linux/static_call.h>
#include <linux/swiotlb.h>
@@ -902,6 +903,13 @@ void __init setup_arch(char **cmdline_p)
if (efi_enabled(EFI_BOOT))
efi_init();
+ efi_set_secure_boot(boot_params.secure_boot);
+
+#ifdef CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT
+ if (efi_enabled(EFI_SECURE_BOOT))
+ security_lock_kernel_down("EFI Secure Boot mode", LOCKDOWN_INTEGRITY_MAX);
+#endif
+
reserve_ibft_region();
x86_init.resources.dmi_setup();
@@ -1064,19 +1072,7 @@ void __init setup_arch(char **cmdline_p)
/* Allocate bigger log buffer */
setup_log_buf(1);
- if (efi_enabled(EFI_BOOT)) {
- switch (boot_params.secure_boot) {
- case efi_secureboot_mode_disabled:
- pr_info("Secure boot disabled\n");
- break;
- case efi_secureboot_mode_enabled:
- pr_info("Secure boot enabled\n");
- break;
- default:
- pr_info("Secure boot could not be determined\n");
- break;
- }
- }
+ efi_set_secure_boot(boot_params.secure_boot);
reserve_initrd();
diff --git a/certs/extract-cert.c b/certs/extract-cert.c
index 70e9ec89d87d..f5fb74916cee 100644
--- a/certs/extract-cert.c
+++ b/certs/extract-cert.c
@@ -21,7 +21,6 @@
#include <openssl/bio.h>
#include <openssl/pem.h>
#include <openssl/err.h>
-#include <openssl/engine.h>
/*
* OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
@@ -122,28 +121,8 @@ int main(int argc, char **argv)
fclose(f);
exit(0);
} else if (!strncmp(cert_src, "pkcs11:", 7)) {
- ENGINE *e;
- struct {
- const char *cert_id;
- X509 *cert;
- } parms;
-
- parms.cert_id = cert_src;
- parms.cert = NULL;
-
- ENGINE_load_builtin_engines();
- drain_openssl_errors();
- e = ENGINE_by_id("pkcs11");
- ERR(!e, "Load PKCS#11 ENGINE");
- if (ENGINE_init(e))
- drain_openssl_errors();
- else
- ERR(1, "ENGINE_init");
- if (key_pass)
- ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0), "Set PKCS#11 PIN");
- ENGINE_ctrl_cmd(e, "LOAD_CERT_CTRL", 0, &parms, NULL, 1);
- ERR(!parms.cert, "Get X.509 from PKCS#11");
- write_cert(parms.cert);
+ fprintf(stderr, "Error: pkcs11 not implemented\n");
+ exit(1);
} else {
BIO *b;
X509 *x509;
diff --git a/crypto/drbg.c b/crypto/drbg.c
index 3addce90930c..730b03de596a 100644
--- a/crypto/drbg.c
+++ b/crypto/drbg.c
@@ -1494,13 +1494,14 @@ static int drbg_generate(struct drbg_state *drbg,
* Wrapper around drbg_generate which can pull arbitrary long strings
* from the DRBG without hitting the maximum request limitation.
*
- * Parameters: see drbg_generate
+ * Parameters: see drbg_generate, except @reseed, which triggers reseeding
* Return codes: see drbg_generate -- if one drbg_generate request fails,
* the entire drbg_generate_long request fails
*/
static int drbg_generate_long(struct drbg_state *drbg,
unsigned char *buf, unsigned int buflen,
- struct drbg_string *addtl)
+ struct drbg_string *addtl,
+ bool reseed)
{
unsigned int len = 0;
unsigned int slice = 0;
@@ -1510,6 +1511,8 @@ static int drbg_generate_long(struct drbg_state *drbg,
slice = ((buflen - len) / drbg_max_request_bytes(drbg));
chunk = slice ? drbg_max_request_bytes(drbg) : (buflen - len);
mutex_lock(&drbg->drbg_mutex);
+ if (reseed)
+ drbg->seeded = DRBG_SEED_STATE_UNSEEDED;
err = drbg_generate(drbg, buf + len, chunk, addtl);
mutex_unlock(&drbg->drbg_mutex);
if (0 > err)
@@ -1936,6 +1939,7 @@ static int drbg_kcapi_random(struct crypto_rng *tfm,
struct drbg_state *drbg = crypto_rng_ctx(tfm);
struct drbg_string *addtl = NULL;
struct drbg_string string;
+ int err;
if (slen) {
/* linked list variable is now local to allow modification */
@@ -1943,7 +1947,15 @@ static int drbg_kcapi_random(struct crypto_rng *tfm,
addtl = &string;
}
- return drbg_generate_long(drbg, dst, dlen, addtl);
+ err = drbg_generate_long(drbg, dst, dlen, addtl,
+ (crypto_tfm_get_flags(crypto_rng_tfm(tfm)) &
+ CRYPTO_TFM_REQ_NEED_RESEED) ==
+ CRYPTO_TFM_REQ_NEED_RESEED);
+
+ crypto_tfm_clear_flags(crypto_rng_tfm(tfm),
+ CRYPTO_TFM_REQ_NEED_RESEED);
+
+ return err;
}
/*
diff --git a/crypto/rng.c b/crypto/rng.c
index 9d8804e46422..5ccb0485ff4b 100644
--- a/crypto/rng.c
+++ b/crypto/rng.c
@@ -12,10 +12,13 @@
#include <linux/atomic.h>
#include <linux/cryptouser.h>
#include <linux/err.h>
+#include <linux/fips.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/random.h>
+#include <linux/sched.h>
+#include <linux/sched/signal.h>
#include <linux/seq_file.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -23,7 +26,9 @@
#include "internal.h"
-static DEFINE_MUTEX(crypto_default_rng_lock);
+static ____cacheline_aligned_in_smp DEFINE_MUTEX(crypto_reseed_rng_lock);
+static struct crypto_rng *crypto_reseed_rng;
+static ____cacheline_aligned_in_smp DEFINE_MUTEX(crypto_default_rng_lock);
struct crypto_rng *crypto_default_rng;
EXPORT_SYMBOL_GPL(crypto_default_rng);
static int crypto_default_rng_refcnt;
@@ -106,31 +111,37 @@ struct crypto_rng *crypto_alloc_rng(const char *alg_name, u32 type, u32 mask)
}
EXPORT_SYMBOL_GPL(crypto_alloc_rng);
-int crypto_get_default_rng(void)
+static int crypto_get_rng(struct crypto_rng **rngp)
{
struct crypto_rng *rng;
int err;
- mutex_lock(&crypto_default_rng_lock);
- if (!crypto_default_rng) {
+ if (!*rngp) {
rng = crypto_alloc_rng("stdrng", 0, 0);
err = PTR_ERR(rng);
if (IS_ERR(rng))
- goto unlock;
+ return err;
err = crypto_rng_reset(rng, NULL, crypto_rng_seedsize(rng));
if (err) {
crypto_free_rng(rng);
- goto unlock;
+ return err;
}
- crypto_default_rng = rng;
+ *rngp = rng;
}
- crypto_default_rng_refcnt++;
- err = 0;
+ return 0;
+}
+
+int crypto_get_default_rng(void)
+{
+ int err;
-unlock:
+ mutex_lock(&crypto_default_rng_lock);
+ err = crypto_get_rng(&crypto_default_rng);
+ if (!err)
+ crypto_default_rng_refcnt++;
mutex_unlock(&crypto_default_rng_lock);
return err;
@@ -146,24 +157,33 @@ void crypto_put_default_rng(void)
EXPORT_SYMBOL_GPL(crypto_put_default_rng);
#if defined(CONFIG_CRYPTO_RNG) || defined(CONFIG_CRYPTO_RNG_MODULE)
-int crypto_del_default_rng(void)
+static int crypto_del_rng(struct crypto_rng **rngp, int *refcntp,
+ struct mutex *lock)
{
int err = -EBUSY;
- mutex_lock(&crypto_default_rng_lock);
- if (crypto_default_rng_refcnt)
+ mutex_lock(lock);
+ if (refcntp && *refcntp)
goto out;
- crypto_free_rng(crypto_default_rng);
- crypto_default_rng = NULL;
+ crypto_free_rng(*rngp);
+ *rngp = NULL;
err = 0;
out:
- mutex_unlock(&crypto_default_rng_lock);
+ mutex_unlock(lock);
return err;
}
+
+int crypto_del_default_rng(void)
+{
+ return crypto_del_rng(&crypto_default_rng, &crypto_default_rng_refcnt,
+ &crypto_default_rng_lock) ?:
+ crypto_del_rng(&crypto_reseed_rng, NULL,
+ &crypto_reseed_rng_lock);
+}
EXPORT_SYMBOL_GPL(crypto_del_default_rng);
#endif
@@ -217,5 +237,102 @@ void crypto_unregister_rngs(struct rng_alg *algs, int count)
}
EXPORT_SYMBOL_GPL(crypto_unregister_rngs);
+static ssize_t crypto_devrandom_read_iter(struct iov_iter *iter, bool reseed)
+{
+ struct crypto_rng *rng;
+ u8 tmp[256];
+ ssize_t ret;
+
+ if (unlikely(!iov_iter_count(iter)))
+ return 0;
+
+ if (reseed) {
+ u32 flags = 0;
+
+ /* If reseeding is requested, acquire a lock on
+ * crypto_reseed_rng so it is not swapped out until
+ * the initial random bytes are generated.
+ *
+ * The algorithm implementation is also protected with
+ * a separate mutex (drbg->drbg_mutex) around the
+ * reseed-and-generate operation.
+ */
+ mutex_lock(&crypto_reseed_rng_lock);
+
+ /* If crypto_default_rng is not set, it will be seeded
+ * at creation in __crypto_get_default_rng and thus no
+ * reseeding is needed.
+ */
+ if (crypto_reseed_rng)
+ flags |= CRYPTO_TFM_REQ_NEED_RESEED;
+
+ ret = crypto_get_rng(&crypto_reseed_rng);
+ if (ret) {
+ mutex_unlock(&crypto_reseed_rng_lock);
+ return ret;
+ }
+
+ rng = crypto_reseed_rng;
+ crypto_tfm_set_flags(crypto_rng_tfm(rng), flags);
+ } else {
+ ret = crypto_get_default_rng();
+ if (ret)
+ return ret;
+ rng = crypto_default_rng;
+ }
+
+ for (;;) {
+ size_t i, copied;
+ int err;
+
+ i = min_t(size_t, iov_iter_count(iter), sizeof(tmp));
+ err = crypto_rng_get_bytes(rng, tmp, i);
+ if (err) {
+ ret = err;
+ break;
+ }
+
+ copied = copy_to_iter(tmp, i, iter);
+ ret += copied;
+
+ if (!iov_iter_count(iter))
+ break;
+
+ if (need_resched()) {
+ if (signal_pending(current))
+ break;
+ schedule();
+ }
+ }
+
+ if (reseed)
+ mutex_unlock(&crypto_reseed_rng_lock);
+ else
+ crypto_put_default_rng();
+ memzero_explicit(tmp, sizeof(tmp));
+
+ return ret;
+}
+
+static const struct random_extrng crypto_devrandom_rng = {
+ .extrng_read_iter = crypto_devrandom_read_iter,
+ .owner = THIS_MODULE,
+};
+
+static int __init crypto_rng_init(void)
+{
+ if (fips_enabled)
+ random_register_extrng(&crypto_devrandom_rng);
+ return 0;
+}
+
+static void __exit crypto_rng_exit(void)
+{
+ random_unregister_extrng();
+}
+
+late_initcall(crypto_rng_init);
+module_exit(crypto_rng_exit);
+
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Random Number Generator");
diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 20d757687e3d..90a13f20f052 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -142,6 +142,14 @@ static int apei_hest_parse(apei_hest_func_t func, void *data)
if (hest_disable || !hest_tab)
return -EINVAL;
+#ifdef CONFIG_ARM64
+ /* Ignore broken firmware */
+ if (!strncmp(hest_tab->header.oem_id, "HPE ", 6) &&
+ !strncmp(hest_tab->header.oem_table_id, "ProLiant", 8) &&
+ MIDR_IMPLEMENTOR(read_cpuid_id()) == ARM_CPU_IMP_APM)
+ return -EINVAL;
+#endif
+
hest_hdr = (struct acpi_hest_header *)(hest_tab + 1);
for (i = 0; i < hest_tab->error_source_count; i++) {
len = hest_esrc_len(hest_hdr);
diff --git a/drivers/acpi/irq.c b/drivers/acpi/irq.c
index 1687483ff319..390b67f19181 100644
--- a/drivers/acpi/irq.c
+++ b/drivers/acpi/irq.c
@@ -143,6 +143,7 @@ struct acpi_irq_parse_one_ctx {
unsigned int index;
unsigned long *res_flags;
struct irq_fwspec *fwspec;
+ bool skip_producer_check;
};
/**
@@ -216,7 +217,8 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
return AE_CTRL_TERMINATE;
case ACPI_RESOURCE_TYPE_EXTENDED_IRQ:
eirq = &ares->data.extended_irq;
- if (eirq->producer_consumer == ACPI_PRODUCER)
+ if (!ctx->skip_producer_check &&
+ eirq->producer_consumer == ACPI_PRODUCER)
return AE_OK;
if (ctx->index >= eirq->interrupt_count) {
ctx->index -= eirq->interrupt_count;
@@ -252,8 +254,19 @@ static acpi_status acpi_irq_parse_one_cb(struct acpi_resource *ares,
static int acpi_irq_parse_one(acpi_handle handle, unsigned int index,
struct irq_fwspec *fwspec, unsigned long *flags)
{
- struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec };
+ struct acpi_irq_parse_one_ctx ctx = { -EINVAL, index, flags, fwspec, false };
+ /*
+ * Firmware on arm64-based HPE m400 platform incorrectly marks
+ * its UART interrupt as ACPI_PRODUCER rather than ACPI_CONSUMER.
+ * Don't do the producer/consumer check for that device.
+ */
+ if (IS_ENABLED(CONFIG_ARM64)) {
+ struct acpi_device *adev = acpi_get_acpi_dev(handle);
+
+ if (adev && !strcmp(acpi_device_hid(adev), "APMC0D08"))
+ ctx.skip_producer_check = true;
+ }
acpi_walk_resources(handle, METHOD_NAME__CRS, acpi_irq_parse_one_cb, &ctx);
return ctx.rc;
}
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 503773707e01..2fead21fcb07 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1793,6 +1793,15 @@ static bool acpi_device_enumeration_by_parent(struct acpi_device *device)
if (!acpi_match_device_ids(device, ignore_serial_bus_ids))
return false;
+ /*
+ * Firmware on some arm64 X-Gene platforms will make the UART
+ * device appear as both a UART and a slave of that UART. Just
+ * bail out here for X-Gene UARTs.
+ */
+ if (IS_ENABLED(CONFIG_ARM64) &&
+ !strcmp(acpi_device_hid(device), "APMC0D08"))
+ return false;
+
INIT_LIST_HEAD(&resource_list);
acpi_dev_get_resources(device, &resource_list,
acpi_check_serial_bus_slave,
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c
index 83431aae74d8..f2a9c0d644af 100644
--- a/drivers/ata/libahci.c
+++ b/drivers/ata/libahci.c
@@ -729,6 +729,24 @@ int ahci_stop_engine(struct ata_port *ap)
tmp &= ~PORT_CMD_START;
writel(tmp, port_mmio + PORT_CMD);
+#ifdef CONFIG_ARM64
+ /* Rev Ax of Cavium CN99XX needs a hack for port stop */
+ if (dev_is_pci(ap->host->dev) &&
+ to_pci_dev(ap->host->dev)->vendor == 0x14e4 &&
+ to_pci_dev(ap->host->dev)->device == 0x9027 &&
+ midr_is_cpu_model_range(read_cpuid_id(),
+ MIDR_CPU_MODEL(ARM_CPU_IMP_BRCM, BRCM_CPU_PART_VULCAN),
+ MIDR_CPU_VAR_REV(0, 0),
+ MIDR_CPU_VAR_REV(0, MIDR_REVISION_MASK))) {
+ tmp = readl(hpriv->mmio + 0x8000);
+ udelay(100);
+ writel(tmp | (1 << 26), hpriv->mmio + 0x8000);
+ udelay(100);
+ writel(tmp & ~(1 << 26), hpriv->mmio + 0x8000);
+ dev_warn(ap->host->dev, "CN99XX SATA reset workaround applied\n");
+ }
+#endif
+
/* wait for engine to stop. This could be as long as 500 msec */
tmp = ata_wait_register(ap, port_mmio + PORT_CMD,
PORT_CMD_LIST_ON, PORT_CMD_LIST_ON, 1, 500);
diff --git a/drivers/char/ipmi/ipmi_dmi.c b/drivers/char/ipmi/ipmi_dmi.c
index bbf7029e224b..cf7faa970dd6 100644
--- a/drivers/char/ipmi/ipmi_dmi.c
+++ b/drivers/char/ipmi/ipmi_dmi.c
@@ -215,6 +215,21 @@ static int __init scan_for_dmi_ipmi(void)
{
const struct dmi_device *dev = NULL;
+#ifdef CONFIG_ARM64
+ /* RHEL-only
+ * If this is ARM-based HPE m400, return now, because that platform
+ * reports the host-side ipmi address as intel port-io space, which
+ * does not exist in the ARM architecture.
+ */
+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
+
+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
+ pr_debug("%s does not support host ipmi\n", dmistr);
+ return 0;
+ }
+ /* END RHEL-only */
+#endif
+
while ((dev = dmi_find_device(DMI_DEV_TYPE_IPMI, NULL, dev)))
dmi_decode_ipmi((const struct dmi_header *) dev->device_data);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index e12b531f5c2f..082707f8dff8 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -35,6 +35,7 @@
#include <linux/uuid.h>
#include <linux/nospec.h>
#include <linux/vmalloc.h>
+#include <linux/dmi.h>
#include <linux/delay.h>
#define IPMI_DRIVER_VERSION "39.2"
@@ -5510,8 +5511,21 @@ static int __init ipmi_init_msghandler_mod(void)
{
int rv;
- pr_info("version " IPMI_DRIVER_VERSION "\n");
+#ifdef CONFIG_ARM64
+ /* RHEL-only
+ * If this is ARM-based HPE m400, return now, because that platform
+ * reports the host-side ipmi address as intel port-io space, which
+ * does not exist in the ARM architecture.
+ */
+ const char *dmistr = dmi_get_system_info(DMI_PRODUCT_NAME);
+ if (dmistr && (strcmp("ProLiant m400 Server", dmistr) == 0)) {
+ pr_debug("%s does not support host ipmi\n", dmistr);
+ return -ENOSYS;
+ }
+ /* END RHEL-only */
+#endif
+ pr_info("version " IPMI_DRIVER_VERSION "\n");
mutex_lock(&ipmi_interfaces_mutex);
rv = ipmi_register_driver();
mutex_unlock(&ipmi_interfaces_mutex);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index 2597cb43f438..d860f4f6ba2c 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -51,6 +51,7 @@
#include <linux/completion.h>
#include <linux/uuid.h>
#include <linux/uaccess.h>
+#include <linux/rcupdate.h>
#include <linux/suspend.h>
#include <linux/siphash.h>
#include <linux/sched/isolation.h>
@@ -309,6 +310,11 @@ static void crng_fast_key_erasure(u8 key[CHACHA_KEY_SIZE],
memzero_explicit(first_block, sizeof(first_block));
}
+/*
+ * Hook for external RNG.
+ */
+static const struct random_extrng __rcu *extrng;
+
/*
* This function returns a ChaCha state that you may use for generating
* random data. It also returns up to 32 bytes on its own of random data
@@ -739,6 +745,9 @@ static void __cold _credit_init_bits(size_t bits)
}
+static const struct file_operations extrng_random_fops;
+static const struct file_operations extrng_urandom_fops;
+
/**********************************************************************
*
* Entropy collection routines.
@@ -956,6 +965,19 @@ void __init add_bootloader_randomness(const void *buf, size_t len)
credit_init_bits(len * 8);
}
+void random_register_extrng(const struct random_extrng *rng)
+{
+ rcu_assign_pointer(extrng, rng);
+}
+EXPORT_SYMBOL_GPL(random_register_extrng);
+
+void random_unregister_extrng(void)
+{
+ RCU_INIT_POINTER(extrng, NULL);
+ synchronize_rcu();
+}
+EXPORT_SYMBOL_GPL(random_unregister_extrng);
+
#if IS_ENABLED(CONFIG_VMGENID)
static BLOCKING_NOTIFIER_HEAD(vmfork_chain);
@@ -1365,6 +1387,7 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
{
struct iov_iter iter;
int ret;
+ const struct random_extrng *rng;
if (flags & ~(GRND_NONBLOCK | GRND_RANDOM | GRND_INSECURE))
return -EINVAL;
@@ -1376,6 +1399,21 @@ SYSCALL_DEFINE3(getrandom, char __user *, ubuf, size_t, len, unsigned int, flags
if ((flags & (GRND_INSECURE | GRND_RANDOM)) == (GRND_INSECURE | GRND_RANDOM))
return -EINVAL;
+ rcu_read_lock();
+ rng = rcu_dereference(extrng);
+ if (rng && !try_module_get(rng->owner))
+ rng = NULL;
+ rcu_read_unlock();
+
+ if (rng) {
+ ret = import_ubuf(ITER_DEST, ubuf, len, &iter);
+ if (unlikely(ret))
+ return ret;
+ ret = rng->extrng_read_iter(&iter, !!(flags & GRND_RANDOM));
+ module_put(rng->owner);
+ return ret;
+ }
+
if (!crng_ready() && !(flags & GRND_INSECURE)) {
if (flags & GRND_NONBLOCK)
return -EAGAIN;
@@ -1396,6 +1434,12 @@ static __poll_t random_poll(struct file *file, poll_table *wait)
return crng_ready() ? EPOLLIN | EPOLLRDNORM : EPOLLOUT | EPOLLWRNORM;
}
+static __poll_t extrng_poll(struct file *file, poll_table * wait)
+{
+ /* extrng pool is always full, always read, no writes */
+ return EPOLLIN | EPOLLRDNORM;
+}
+
static ssize_t write_pool_user(struct iov_iter *iter)
{
u8 block[BLAKE2S_BLOCK_SIZE];
@@ -1536,7 +1580,58 @@ static int random_fasync(int fd, struct file *filp, int on)
return fasync_helper(fd, filp, on, &fasync);
}
+static int random_open(struct inode *inode, struct file *filp)
+{
+ const struct random_extrng *rng;
+
+ rcu_read_lock();
+ rng = rcu_dereference(extrng);
+ if (rng && !try_module_get(rng->owner))
+ rng = NULL;
+ rcu_read_unlock();
+
+ if (!rng)
+ return 0;
+
+ filp->f_op = &extrng_random_fops;
+ filp->private_data = rng->owner;
+
+ return 0;
+}
+
+static int urandom_open(struct inode *inode, struct file *filp)
+{
+ const struct random_extrng *rng;
+
+ rcu_read_lock();
+ rng = rcu_dereference(extrng);
+ if (rng && !try_module_get(rng->owner))
+ rng = NULL;
+ rcu_read_unlock();
+
+ if (!rng)
+ return 0;
+
+ filp->f_op = &extrng_urandom_fops;
+ filp->private_data = rng->owner;
+
+ return 0;
+}
+
+static int extrng_release(struct inode *inode, struct file *filp)
+{
+ module_put(filp->private_data);
+ return 0;
+}
+
+static ssize_t
+extrng_read_iter(struct kiocb *kiocb, struct iov_iter *iter)
+{
+ return rcu_dereference_raw(extrng)->extrng_read_iter(iter, false);
+}
+
const struct file_operations random_fops = {
+ .open = random_open,
.read_iter = random_read_iter,
.write_iter = random_write_iter,
.poll = random_poll,
@@ -1549,6 +1644,7 @@ const struct file_operations random_fops = {
};
const struct file_operations urandom_fops = {
+ .open = urandom_open,
.read_iter = urandom_read_iter,
.write_iter = random_write_iter,
.unlocked_ioctl = random_ioctl,
@@ -1559,6 +1655,32 @@ const struct file_operations urandom_fops = {
.splice_write = iter_file_splice_write,
};
+static const struct file_operations extrng_random_fops = {
+ .open = random_open,
+ .read_iter = extrng_read_iter,
+ .write_iter = random_write_iter,
+ .poll = extrng_poll,
+ .unlocked_ioctl = random_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
+ .fasync = random_fasync,
+ .llseek = noop_llseek,
+ .release = extrng_release,
+ .splice_read = copy_splice_read,
+ .splice_write = iter_file_splice_write,
+};
+
+static const struct file_operations extrng_urandom_fops = {
+ .open = urandom_open,
+ .read_iter = extrng_read_iter,
+ .write_iter = random_write_iter,
+ .unlocked_ioctl = random_ioctl,
+ .compat_ioctl = compat_ptr_ioctl,
+ .fasync = random_fasync,
+ .llseek = noop_llseek,
+ .release = extrng_release,
+ .splice_read = copy_splice_read,
+ .splice_write = iter_file_splice_write,
+};
/********************************************************************
*
diff --git a/drivers/firmware/efi/Makefile b/drivers/firmware/efi/Makefile
index a2d0009560d0..4f3486e6a84b 100644
--- a/drivers/firmware/efi/Makefile
+++ b/drivers/firmware/efi/Makefile
@@ -25,6 +25,7 @@ subdir-$(CONFIG_EFI_STUB) += libstub
obj-$(CONFIG_EFI_BOOTLOADER_CONTROL) += efibc.o
obj-$(CONFIG_EFI_TEST) += test/
obj-$(CONFIG_EFI_DEV_PATH_PARSER) += dev-path-parser.o
+obj-$(CONFIG_EFI) += secureboot.o
obj-$(CONFIG_APPLE_PROPERTIES) += apple-properties.o
obj-$(CONFIG_EFI_RCI2_TABLE) += rci2-table.o
obj-$(CONFIG_EFI_EMBEDDED_FIRMWARE) += embedded-firmware.o
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index fdf07dd6f459..cfd2b58a3494 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -33,6 +33,7 @@
#include <linux/memblock.h>
#include <linux/security.h>
#include <linux/notifier.h>
+#include <linux/bsearch.h>
#include <asm/early_ioremap.h>
@@ -993,40 +994,101 @@ int efi_mem_type(unsigned long phys_addr)
return -EINVAL;
}
+struct efi_error_code {
+ efi_status_t status;
+ int errno;
+ const char *description;
+};
+
+static const struct efi_error_code efi_error_codes[] = {
+ { EFI_SUCCESS, 0, "Success"},
+#if 0
+ { EFI_LOAD_ERROR, -EPICK_AN_ERRNO, "Load Error"},
+#endif
+ { EFI_INVALID_PARAMETER, -EINVAL, "Invalid Parameter"},
+ { EFI_UNSUPPORTED, -ENOSYS, "Unsupported"},
+ { EFI_BAD_BUFFER_SIZE, -ENOSPC, "Bad Buffer Size"},
+ { EFI_BUFFER_TOO_SMALL, -ENOSPC, "Buffer Too Small"},
+ { EFI_NOT_READY, -EAGAIN, "Not Ready"},
+ { EFI_DEVICE_ERROR, -EIO, "Device Error"},
+ { EFI_WRITE_PROTECTED, -EROFS, "Write Protected"},
+ { EFI_OUT_OF_RESOURCES, -ENOMEM, "Out of Resources"},
+#if 0
+ { EFI_VOLUME_CORRUPTED, -EPICK_AN_ERRNO, "Volume Corrupt"},
+ { EFI_VOLUME_FULL, -EPICK_AN_ERRNO, "Volume Full"},
+ { EFI_NO_MEDIA, -EPICK_AN_ERRNO, "No Media"},
+ { EFI_MEDIA_CHANGED, -EPICK_AN_ERRNO, "Media changed"},
+#endif
+ { EFI_NOT_FOUND, -ENOENT, "Not Found"},
+#if 0
+ { EFI_ACCESS_DENIED, -EPICK_AN_ERRNO, "Access Denied"},
+ { EFI_NO_RESPONSE, -EPICK_AN_ERRNO, "No Response"},
+ { EFI_NO_MAPPING, -EPICK_AN_ERRNO, "No mapping"},
+ { EFI_TIMEOUT, -EPICK_AN_ERRNO, "Time out"},
+ { EFI_NOT_STARTED, -EPICK_AN_ERRNO, "Not started"},
+ { EFI_ALREADY_STARTED, -EPICK_AN_ERRNO, "Already started"},
+#endif
+ { EFI_ABORTED, -EINTR, "Aborted"},
+#if 0
+ { EFI_ICMP_ERROR, -EPICK_AN_ERRNO, "ICMP Error"},
+ { EFI_TFTP_ERROR, -EPICK_AN_ERRNO, "TFTP Error"},
+ { EFI_PROTOCOL_ERROR, -EPICK_AN_ERRNO, "Protocol Error"},
+ { EFI_INCOMPATIBLE_VERSION, -EPICK_AN_ERRNO, "Incompatible Version"},
+#endif
+ { EFI_SECURITY_VIOLATION, -EACCES, "Security Policy Violation"},
+#if 0
+ { EFI_CRC_ERROR, -EPICK_AN_ERRNO, "CRC Error"},
+ { EFI_END_OF_MEDIA, -EPICK_AN_ERRNO, "End of Media"},
+ { EFI_END_OF_FILE, -EPICK_AN_ERRNO, "End of File"},
+ { EFI_INVALID_LANGUAGE, -EPICK_AN_ERRNO, "Invalid Languages"},
+ { EFI_COMPROMISED_DATA, -EPICK_AN_ERRNO, "Compromised Data"},
+
+ // warnings
+ { EFI_WARN_UNKOWN_GLYPH, -EPICK_AN_ERRNO, "Warning Unknown Glyph"},
+ { EFI_WARN_DELETE_FAILURE, -EPICK_AN_ERRNO, "Warning Delete Failure"},
+ { EFI_WARN_WRITE_FAILURE, -EPICK_AN_ERRNO, "Warning Write Failure"},
+ { EFI_WARN_BUFFER_TOO_SMALL, -EPICK_AN_ERRNO, "Warning Buffer Too Small"},
+#endif
+};
+
+static int
+efi_status_cmp_bsearch(const void *key, const void *item)
+{
+ u64 status = (u64)(uintptr_t)key;
+ struct efi_error_code *code = (struct efi_error_code *)item;
+
+ if (status < code->status)
+ return -1;
+ if (status > code->status)
+ return 1;
+ return 0;
+}
+
int efi_status_to_err(efi_status_t status)
{
- int err;
-
- switch (status) {
- case EFI_SUCCESS:
- err = 0;
- break;
- case EFI_INVALID_PARAMETER:
- err = -EINVAL;
- break;
- case EFI_OUT_OF_RESOURCES:
- err = -ENOSPC;
- break;
- case EFI_DEVICE_ERROR:
- err = -EIO;
- break;
- case EFI_WRITE_PROTECTED:
- err = -EROFS;
- break;
- case EFI_SECURITY_VIOLATION:
- err = -EACCES;
- break;
- case EFI_NOT_FOUND:
- err = -ENOENT;
- break;
- case EFI_ABORTED:
- err = -EINTR;
- break;
- default:
- err = -EINVAL;
- }
+ struct efi_error_code *found;
+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);
- return err;
+ found = bsearch((void *)(uintptr_t)status, efi_error_codes,
+ sizeof(struct efi_error_code), num,
+ efi_status_cmp_bsearch);
+ if (!found)
+ return -EINVAL;
+ return found->errno;
+}
+
+const char *
+efi_status_to_str(efi_status_t status)
+{
+ struct efi_error_code *found;
+ size_t num = sizeof(efi_error_codes) / sizeof(struct efi_error_code);
+
+ found = bsearch((void *)(uintptr_t)status, efi_error_codes,
+ sizeof(struct efi_error_code), num,
+ efi_status_cmp_bsearch);
+ if (!found)
+ return "Unknown error code";
+ return found->description;
}
EXPORT_SYMBOL_GPL(efi_status_to_err);
diff --git a/drivers/firmware/efi/secureboot.c b/drivers/firmware/efi/secureboot.c
new file mode 100644
index 000000000000..de0a3714a5d4
--- /dev/null
+++ b/drivers/firmware/efi/secureboot.c
@@ -0,0 +1,38 @@
+/* Core kernel secure boot support.
+ *
+ * Copyright (C) 2017 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/efi.h>
+#include <linux/kernel.h>
+#include <linux/printk.h>
+
+/*
+ * Decide what to do when UEFI secure boot mode is enabled.
+ */
+void __init efi_set_secure_boot(enum efi_secureboot_mode mode)
+{
+ if (efi_enabled(EFI_BOOT)) {
+ switch (mode) {
+ case efi_secureboot_mode_disabled:
+ pr_info("Secure boot disabled\n");
+ break;
+ case efi_secureboot_mode_enabled:
+ set_bit(EFI_SECURE_BOOT, &efi.flags);
+ pr_info("Secure boot enabled\n");
+ break;
+ default:
+ pr_warn("Secure boot could not be determined (mode %u)\n",
+ mode);
+ break;
+ }
+ }
+}
diff --git a/drivers/hid/hid-rmi.c b/drivers/hid/hid-rmi.c
index d4af17fdba46..154f0403cbf4 100644
--- a/drivers/hid/hid-rmi.c
+++ b/drivers/hid/hid-rmi.c
@@ -321,21 +321,12 @@ static int rmi_input_event(struct hid_device *hdev, u8 *data, int size)
{
struct rmi_data *hdata = hid_get_drvdata(hdev);
struct rmi_device *rmi_dev = hdata->xport.rmi_dev;
- unsigned long flags;
if (!(test_bit(RMI_STARTED, &hdata->flags)))
return 0;
- pm_wakeup_event(hdev->dev.parent, 0);
-
- local_irq_save(flags);
-
rmi_set_attn_data(rmi_dev, data[1], &data[2], size - 2);
- generic_handle_irq(hdata->rmi_irq);
-
- local_irq_restore(flags);
-
return 1;
}
@@ -589,56 +580,6 @@ static const struct rmi_transport_ops hid_rmi_ops = {
.reset = rmi_hid_reset,
};
-static void rmi_irq_teardown(void *data)
-{
- struct rmi_data *hdata = data;
- struct irq_domain *domain = hdata->domain;
-
- if (!domain)
- return;
-
- irq_dispose_mapping(irq_find_mapping(domain, 0));
-
- irq_domain_remove(domain);
- hdata->domain = NULL;
- hdata->rmi_irq = 0;
-}
-
-static int rmi_irq_map(struct irq_domain *h, unsigned int virq,
- irq_hw_number_t hw_irq_num)
-{
- irq_set_chip_and_handler(virq, &dummy_irq_chip, handle_simple_irq);
-
- return 0;
-}
-
-static const struct irq_domain_ops rmi_irq_ops = {
- .map = rmi_irq_map,
-};
-
-static int rmi_setup_irq_domain(struct hid_device *hdev)
-{
- struct rmi_data *hdata = hid_get_drvdata(hdev);
- int ret;
-
- hdata->domain = irq_domain_create_linear(hdev->dev.fwnode, 1,
- &rmi_irq_ops, hdata);
- if (!hdata->domain)
- return -ENOMEM;
-
- ret = devm_add_action_or_reset(&hdev->dev, &rmi_irq_teardown, hdata);
- if (ret)
- return ret;
-
- hdata->rmi_irq = irq_create_mapping(hdata->domain, 0);
- if (hdata->rmi_irq <= 0) {
- hid_err(hdev, "Can't allocate an IRQ\n");
- return hdata->rmi_irq < 0 ? hdata->rmi_irq : -ENXIO;
- }
-
- return 0;
-}
-
static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
struct rmi_data *data = NULL;
@@ -711,18 +652,11 @@ static int rmi_probe(struct hid_device *hdev, const struct hid_device_id *id)
mutex_init(&data->page_mutex);
- ret = rmi_setup_irq_domain(hdev);
- if (ret) {
- hid_err(hdev, "failed to allocate IRQ domain\n");
- return ret;
- }
-
if (data->device_flags & RMI_DEVICE_HAS_PHYS_BUTTONS)
rmi_hid_pdata.gpio_data.disable = true;
data->xport.dev = hdev->dev.parent;
data->xport.pdata = rmi_hid_pdata;
- data->xport.pdata.irq = data->rmi_irq;
data->xport.proto_name = "hid";
data->xport.ops = &hid_rmi_ops;
diff --git a/drivers/hwtracing/coresight/coresight-etm4x-core.c b/drivers/hwtracing/coresight/coresight-etm4x-core.c
index bf01f01964cf..703896981e8a 100644
--- a/drivers/hwtracing/coresight/coresight-etm4x-core.c
+++ b/drivers/hwtracing/coresight/coresight-etm4x-core.c
@@ -10,6 +10,7 @@
#include <linux/init.h>
#include <linux/types.h>
#include <linux/device.h>
+#include <linux/dmi.h>
#include <linux/io.h>
#include <linux/err.h>
#include <linux/fs.h>
@@ -2344,6 +2345,16 @@ static const struct amba_id etm4_ids[] = {
{},
};
+static const struct dmi_system_id broken_coresight[] = {
+ {
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "HPE"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Apollo 70"),
+ },
+ },
+ { } /* terminating entry */
+};
+
MODULE_DEVICE_TABLE(amba, etm4_ids);
static struct amba_driver etm4x_amba_driver = {
@@ -2412,6 +2423,11 @@ static int __init etm4x_init(void)
{
int ret;
+ if (dmi_check_system(broken_coresight)) {
+ pr_info("ETM4 disabled due to firmware bug\n");
+ return 0;
+ }
+
ret = etm4_pm_setup();
/* etm4_pm_setup() does its own cleanup - exit on error */
@@ -2438,6 +2454,9 @@ static int __init etm4x_init(void)
static void __exit etm4x_exit(void)
{
+ if (dmi_check_system(broken_coresight))
+ return;
+
amba_driver_unregister(&etm4x_amba_driver);
platform_driver_unregister(&etm4_platform_driver);
etm4_pm_clear();
diff --git a/drivers/input/rmi4/rmi_driver.c b/drivers/input/rmi4/rmi_driver.c
index ef9ea295f9e0..0103334e8f32 100644
--- a/drivers/input/rmi4/rmi_driver.c
+++ b/drivers/input/rmi4/rmi_driver.c
@@ -182,34 +182,47 @@ void rmi_set_attn_data(struct rmi_device *rmi_dev, unsigned long irq_status,
attn_data.data = fifo_data;
kfifo_put(&drvdata->attn_fifo, attn_data);
+
+ schedule_work(&drvdata->attn_work);
}
EXPORT_SYMBOL_GPL(rmi_set_attn_data);
-static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
+static void attn_callback(struct work_struct *work)
{
- struct rmi_device *rmi_dev = dev_id;
- struct rmi_driver_data *drvdata = dev_get_drvdata(&rmi_dev->dev);
+ struct rmi_driver_data *drvdata = container_of(work,
+ struct rmi_driver_data,
+ attn_work);
struct rmi4_attn_data attn_data = {0};
int ret, count;
count = kfifo_get(&drvdata->attn_fifo, &attn_data);
- if (count) {
- *(drvdata->irq_status) = attn_data.irq_status;
- drvdata->attn_data = attn_data;
- }
+ if (!count)
+ return;
- ret = rmi_process_interrupt_requests(rmi_dev);
+ *(drvdata->irq_status) = attn_data.irq_status;
+ drvdata->attn_data = attn_data;
+
+ ret = rmi_process_interrupt_requests(drvdata->rmi_dev);
if (ret)
- rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
+ rmi_dbg(RMI_DEBUG_CORE, &drvdata->rmi_dev->dev,
"Failed to process interrupt request: %d\n", ret);
- if (count) {
- kfree(attn_data.data);
- drvdata->attn_data.data = NULL;
- }
+ kfree(attn_data.data);
+ drvdata->attn_data.data = NULL;
if (!kfifo_is_empty(&drvdata->attn_fifo))
- return rmi_irq_fn(irq, dev_id);
+ schedule_work(&drvdata->attn_work);
+}
+
+static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
+{
+ struct rmi_device *rmi_dev = dev_id;
+ int ret;
+
+ ret = rmi_process_interrupt_requests(rmi_dev);
+ if (ret)
+ rmi_dbg(RMI_DEBUG_CORE, &rmi_dev->dev,
+ "Failed to process interrupt request: %d\n", ret);
return IRQ_HANDLED;
}
@@ -217,7 +230,6 @@ static irqreturn_t rmi_irq_fn(int irq, void *dev_id)
static int rmi_irq_init(struct rmi_device *rmi_dev)
{
struct rmi_device_platform_data *pdata = rmi_get_platform_data(rmi_dev);
- struct rmi_driver_data *data = dev_get_drvdata(&rmi_dev->dev);
int irq_flags = irq_get_trigger_type(pdata->irq);
int ret;
@@ -235,8 +247,6 @@ static int rmi_irq_init(struct rmi_device *rmi_dev)
return ret;
}
- data->enabled = true;
-
return 0;
}
@@ -886,23 +896,27 @@ void rmi_enable_irq(struct rmi_device *rmi_dev, bool clear_wake)
if (data->enabled)
goto out;
- enable_irq(irq);
- data->enabled = true;
- if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
- retval = disable_irq_wake(irq);
- if (retval)
- dev_warn(&rmi_dev->dev,
- "Failed to disable irq for wake: %d\n",
- retval);
- }
+ if (irq) {
+ enable_irq(irq);
+ data->enabled = true;
+ if (clear_wake && device_may_wakeup(rmi_dev->xport->dev)) {
+ retval = disable_irq_wake(irq);
+ if (retval)
+ dev_warn(&rmi_dev->dev,
+ "Failed to disable irq for wake: %d\n",
+ retval);
+ }
- /*
- * Call rmi_process_interrupt_requests() after enabling irq,
- * otherwise we may lose interrupt on edge-triggered systems.
- */
- irq_flags = irq_get_trigger_type(pdata->irq);
- if (irq_flags & IRQ_TYPE_EDGE_BOTH)
- rmi_process_interrupt_requests(rmi_dev);
+ /*
+ * Call rmi_process_interrupt_requests() after enabling irq,
+ * otherwise we may lose interrupt on edge-triggered systems.
+ */
+ irq_flags = irq_get_trigger_type(pdata->irq);
+ if (irq_flags & IRQ_TYPE_EDGE_BOTH)
+ rmi_process_interrupt_requests(rmi_dev);
+ } else {
+ data->enabled = true;
+ }
out:
mutex_unlock(&data->enabled_mutex);
@@ -922,20 +936,22 @@ void rmi_disable_irq(struct rmi_device *rmi_dev, bool enable_wake)
goto out;
data->enabled = false;
- disable_irq(irq);
- if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
- retval = enable_irq_wake(irq);
- if (retval)
- dev_warn(&rmi_dev->dev,
- "Failed to enable irq for wake: %d\n",
- retval);
- }
-
- /* make sure the fifo is clean */
- while (!kfifo_is_empty(&data->attn_fifo)) {
- count = kfifo_get(&data->attn_fifo, &attn_data);
- if (count)
- kfree(attn_data.data);
+ if (irq) {
+ disable_irq(irq);
+ if (enable_wake && device_may_wakeup(rmi_dev->xport->dev)) {
+ retval = enable_irq_wake(irq);
+ if (retval)
+ dev_warn(&rmi_dev->dev,
+ "Failed to enable irq for wake: %d\n",
+ retval);
+ }
+ } else {
+ /* make sure the fifo is clean */
+ while (!kfifo_is_empty(&data->attn_fifo)) {
+ count = kfifo_get(&data->attn_fifo, &attn_data);
+ if (count)
+ kfree(attn_data.data);
+ }
}
out:
@@ -978,6 +994,8 @@ static int rmi_driver_remove(struct device *dev)
rmi_disable_irq(rmi_dev, false);
+ cancel_work_sync(&data->attn_work);
+
rmi_f34_remove_sysfs(rmi_dev);
rmi_free_function_list(rmi_dev);
@@ -1223,9 +1241,15 @@ static int rmi_driver_probe(struct device *dev)
}
}
- retval = rmi_irq_init(rmi_dev);
- if (retval < 0)
- goto err_destroy_functions;
+ if (pdata->irq) {
+ retval = rmi_irq_init(rmi_dev);
+ if (retval < 0)
+ goto err_destroy_functions;
+ }
+
+ data->enabled = true;
+
+ INIT_WORK(&data->attn_work, attn_callback);
if (data->f01_container->dev.driver) {
/* Driver already bound, so enable ATTN now. */
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 9df7cc75c1bc..60d541ae39e8 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -8,6 +8,7 @@
#include <linux/amba/bus.h>
#include <linux/device.h>
+#include <linux/dmi.h>
#include <linux/kernel.h>
#include <linux/bits.h>
#include <linux/bug.h>
@@ -2916,6 +2917,27 @@ int iommu_dev_disable_feature(struct device *dev, enum iommu_dev_features feat)
}
EXPORT_SYMBOL_GPL(iommu_dev_disable_feature);
+#ifdef CONFIG_ARM64
+static int __init iommu_quirks(void)
+{
+ const char *vendor, *name;
+
+ vendor = dmi_get_system_info(DMI_SYS_VENDOR);
+ name = dmi_get_system_info(DMI_PRODUCT_NAME);
+
+ if (vendor &&
+ (strncmp(vendor, "GIGABYTE", 8) == 0 && name &&
+ (strncmp(name, "R120", 4) == 0 ||
+ strncmp(name, "R270", 4) == 0))) {
+ pr_warn("Gigabyte %s detected, force iommu passthrough mode", name);
+ iommu_def_domain_type = IOMMU_DOMAIN_IDENTITY;
+ }
+
+ return 0;
+}
+arch_initcall(iommu_quirks);
+#endif
+
/**
* iommu_setup_default_domain - Set the default_domain for the group
* @group: Group to change
diff --git a/drivers/media/pci/intel/ipu-bridge.c b/drivers/media/pci/intel/ipu-bridge.c
index 61750cc98d70..a0e9a71580b5 100644
--- a/drivers/media/pci/intel/ipu-bridge.c
+++ b/drivers/media/pci/intel/ipu-bridge.c
@@ -43,28 +43,46 @@
* becoming apparent in the future.
*
* Do not add an entry for a sensor that is not actually supported.
+ *
+ * Please keep the list sorted by ACPI HID.
*/
static const struct ipu_sensor_config ipu_supported_sensors[] = {
+ /* Himax HM11B1 */
+ IPU_SENSOR_CONFIG("HIMX11B1", 1, 384000000),
+ /* Himax HM2170 */
+ IPU_SENSOR_CONFIG("HIMX2170", 1, 384000000),
+ /* Himax HM2172 */
+ IPU_SENSOR_CONFIG("HIMX2172", 1, 384000000),
+ /* GalaxyCore GC0310 */
+ IPU_SENSOR_CONFIG("INT0310", 0),
/* Omnivision OV5693 */
IPU_SENSOR_CONFIG("INT33BE", 1, 419200000),
+ /* Omnivision OV2740 */
+ IPU_SENSOR_CONFIG("INT3474", 1, 180000000),
/* Omnivision OV8865 */
IPU_SENSOR_CONFIG("INT347A", 1, 360000000),
/* Omnivision OV7251 */
IPU_SENSOR_CONFIG("INT347E", 1, 319200000),
+ /* Hynix Hi-556 */
+ IPU_SENSOR_CONFIG("INT3537", 1, 437000000),
+ /* Omnivision OV01A10 / OV01A1S */
+ IPU_SENSOR_CONFIG("OVTI01A0", 1, 400000000),
+ IPU_SENSOR_CONFIG("OVTI01AS", 1, 400000000),
+ /* Omnivision OV02C10 */
+ IPU_SENSOR_CONFIG("OVTI02C1", 1, 400000000),
+ /* Omnivision OV02E10 */
+ IPU_SENSOR_CONFIG("OVTI02E1", 1, 360000000),
+ /* Omnivision OV08A10 */
+ IPU_SENSOR_CONFIG("OVTI08A1", 1, 500000000),
+ /* Omnivision OV08x40 */
+ IPU_SENSOR_CONFIG("OVTI08F4", 1, 400000000),
+ /* Omnivision OV13B10 */
+ IPU_SENSOR_CONFIG("OVTI13B1", 1, 560000000),
+ IPU_SENSOR_CONFIG("OVTIDB10", 1, 560000000),
/* Omnivision OV2680 */
IPU_SENSOR_CONFIG("OVTI2680", 1, 331200000),
- /* Omnivision ov8856 */
+ /* Omnivision OV8856 */
IPU_SENSOR_CONFIG("OVTI8856", 3, 180000000, 360000000, 720000000),
- /* Omnivision ov2740 */
- IPU_SENSOR_CONFIG("INT3474", 1, 180000000),
- /* Hynix hi556 */
- IPU_SENSOR_CONFIG("INT3537", 1, 437000000),
- /* Omnivision ov13b10 */
- IPU_SENSOR_CONFIG("OVTIDB10", 1, 560000000),
- /* GalaxyCore GC0310 */
- IPU_SENSOR_CONFIG("INT0310", 0),
- /* Omnivision ov01a10 */
- IPU_SENSOR_CONFIG("OVTI01A0", 1, 400000000),
};
static const struct ipu_property_names prop_names = {
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 5fe0e671ecb3..826b768196e2 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -4320,9 +4320,16 @@ brcmf_pmksa_v3_op(struct brcmf_if *ifp, struct cfg80211_pmksa *pmksa,
/* Single PMK operation */
pmk_op->count = cpu_to_le16(1);
length += sizeof(struct brcmf_pmksa_v3);
- memcpy(pmk_op->pmk[0].bssid, pmksa->bssid, ETH_ALEN);
- memcpy(pmk_op->pmk[0].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
- pmk_op->pmk[0].pmkid_len = WLAN_PMKID_LEN;
+ if (pmksa->bssid)
+ memcpy(pmk_op->pmk[0].bssid, pmksa->bssid, ETH_ALEN);
+ if (pmksa->pmkid) {
+ memcpy(pmk_op->pmk[0].pmkid, pmksa->pmkid, WLAN_PMKID_LEN);
+ pmk_op->pmk[0].pmkid_len = WLAN_PMKID_LEN;
+ }
+ if (pmksa->ssid && pmksa->ssid_len) {
+ memcpy(pmk_op->pmk[0].ssid.SSID, pmksa->ssid, pmksa->ssid_len);
+ pmk_op->pmk[0].ssid.SSID_len = pmksa->ssid_len;
+ }
pmk_op->pmk[0].time_left = cpu_to_le32(alive ? BRCMF_PMKSA_NO_EXPIRY : 0);
}
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 568410e64ce6..6afbaee83950 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -4433,6 +4433,30 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9000,
DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9084,
quirk_bridge_cavm_thrx2_pcie_root);
+/*
+ * PCI BAR 5 is not setup correctly for the on-board AHCI controller
+ * on Broadcom's Vulcan processor. Added a quirk to fix BAR 5 by
+ * using BAR 4's resources which are populated correctly and NOT
+ * actually used by the AHCI controller.
+ */
+static void quirk_fix_vulcan_ahci_bars(struct pci_dev *dev)
+{
+ struct resource *r = &dev->resource[4];
+
+ if (!(r->flags & IORESOURCE_MEM) || (r->start == 0))
+ return;
+
+ /* Set BAR5 resource to BAR4 */
+ dev->resource[5] = *r;
+
+ /* Update BAR5 in pci config space */
+ pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, r->start);
+
+ /* Clear BAR4's resource */
+ memset(r, 0, sizeof(*r));
+}
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_BROADCOM, 0x9027, quirk_fix_vulcan_ahci_bars);
+
/*
* Intersil/Techwell TW686[4589]-based video capture cards have an empty (zero)
* class code. Fix it.
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 1b7561abe05d..13f23905fb25 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -120,6 +120,14 @@ static const char *sd_cache_types[] = {
"write back, no read (daft)"
};
+static const char *sd_probe_types[] = { "async", "sync" };
+
+static char sd_probe_type[6] = "async";
+module_param_string(probe, sd_probe_type, sizeof(sd_probe_type),
+ S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(probe, "async or sync. Setting to 'sync' disables asynchronous "
+ "device number assignments (sda, sdb, ...).");
+
static void sd_set_flush_flag(struct scsi_disk *sdkp)
{
bool wc = false, fua = false;
@@ -4252,6 +4260,8 @@ static int __init init_sd(void)
goto err_out_class;
}
+ if (!strcmp(sd_probe_type, "sync"))
+ sd_template.gendrv.probe_type = PROBE_FORCE_SYNCHRONOUS;
err = scsi_register_driver(&sd_template.gendrv);
if (err)
goto err_out_driver;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 4b93c0bd1d4b..b98906237306 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5844,6 +5844,13 @@ static void hub_event(struct work_struct *work)
(u16) hub->change_bits[0],
(u16) hub->event_bits[0]);
+ /* Don't disconnect USB-SATA on TrimSlice */
+ if (strcmp(dev_name(hdev->bus->controller), "tegra-ehci.0") == 0) {
+ if ((hdev->state == 7) && (hub->change_bits[0] == 0) &&
+ (hub->event_bits[0] == 0x2))
+ hub->event_bits[0] = 0;
+ }
+
/* Lock the device, then check to see if we were
* disconnected while waiting for the lock to succeed. */
usb_lock_device(hdev);
diff --git a/include/linux/crypto.h b/include/linux/crypto.h
index b164da5e129e..59021b8609a7 100644
--- a/include/linux/crypto.h
+++ b/include/linux/crypto.h
@@ -133,6 +133,7 @@
#define CRYPTO_TFM_REQ_FORBID_WEAK_KEYS 0x00000100
#define CRYPTO_TFM_REQ_MAY_SLEEP 0x00000200
#define CRYPTO_TFM_REQ_MAY_BACKLOG 0x00000400
+#define CRYPTO_TFM_REQ_NEED_RESEED 0x00000800
/*
* Miscellaneous stuff.
diff --git a/include/linux/efi.h b/include/linux/efi.h
index 418e555459da..fdd941287ae1 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -45,6 +45,8 @@ struct screen_info;
#define EFI_ABORTED (21 | (1UL << (BITS_PER_LONG-1)))
#define EFI_SECURITY_VIOLATION (26 | (1UL << (BITS_PER_LONG-1)))
+#define EFI_IS_ERROR(x) ((x) & (1UL << (BITS_PER_LONG-1)))
+
typedef unsigned long efi_status_t;
typedef u8 efi_bool_t;
typedef u16 efi_char16_t; /* UNICODE character */
@@ -872,6 +874,14 @@ static inline int efi_range_is_wc(unsigned long start, unsigned long len)
#define EFI_MEM_ATTR 10 /* Did firmware publish an EFI_MEMORY_ATTRIBUTES table? */
#define EFI_MEM_NO_SOFT_RESERVE 11 /* Is the kernel configured to ignore soft reservations? */
#define EFI_PRESERVE_BS_REGIONS 12 /* Are EFI boot-services memory segments available? */
+#define EFI_SECURE_BOOT 13 /* Are we in Secure Boot mode? */
+
+enum efi_secureboot_mode {
+ efi_secureboot_mode_unset,
+ efi_secureboot_mode_unknown,
+ efi_secureboot_mode_disabled,
+ efi_secureboot_mode_enabled,
+};
#ifdef CONFIG_EFI
/*
@@ -883,6 +893,8 @@ static inline bool efi_enabled(int feature)
}
extern void efi_reboot(enum reboot_mode reboot_mode, const char *__unused);
+extern void __init efi_set_secure_boot(enum efi_secureboot_mode mode);
+
bool __pure __efi_soft_reserve_enabled(void);
static inline bool __pure efi_soft_reserve_enabled(void)
@@ -904,6 +916,8 @@ static inline bool efi_enabled(int feature)
static inline void
efi_reboot(enum reboot_mode reboot_mode, const char *__unused) {}
+static inline void efi_set_secure_boot(enum efi_secureboot_mode mode) {}
+
static inline bool efi_soft_reserve_enabled(void)
{
return false;
@@ -918,6 +932,7 @@ static inline void efi_find_mirror(void) {}
#endif
extern int efi_status_to_err(efi_status_t status);
+extern const char *efi_status_to_str(efi_status_t status);
/*
* Variable Attributes
@@ -1133,13 +1148,6 @@ static inline bool efi_runtime_disabled(void) { return true; }
extern void efi_call_virt_check_flags(unsigned long flags, const void *caller);
extern unsigned long efi_call_virt_save_flags(void);
-enum efi_secureboot_mode {
- efi_secureboot_mode_unset,
- efi_secureboot_mode_unknown,
- efi_secureboot_mode_disabled,
- efi_secureboot_mode_enabled,
-};
-
static inline
enum efi_secureboot_mode efi_get_secureboot_mode(efi_get_variable_t *get_var)
{
diff --git a/include/linux/lsm_hook_defs.h b/include/linux/lsm_hook_defs.h
index 855db460e08b..7a8c28cd7510 100644
--- a/include/linux/lsm_hook_defs.h
+++ b/include/linux/lsm_hook_defs.h
@@ -438,6 +438,8 @@ LSM_HOOK(int, 0, bpf_token_capable, const struct bpf_token *token, int cap)
#endif /* CONFIG_BPF_SYSCALL */
LSM_HOOK(int, 0, locked_down, enum lockdown_reason what)
+LSM_HOOK(int, 0, lock_kernel_down, const char *where, enum lockdown_reason level)
+
#ifdef CONFIG_PERF_EVENTS
LSM_HOOK(int, 0, perf_event_open, struct perf_event_attr *attr, int type)
diff --git a/include/linux/random.h b/include/linux/random.h
index b0a940af4fff..8a52424fd0d5 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -9,6 +9,13 @@
#include <uapi/linux/random.h>
+struct iov_iter;
+
+struct random_extrng {
+ ssize_t (*extrng_read_iter)(struct iov_iter *iter, bool reseed);
+ struct module *owner;
+};
+
struct notifier_block;
void add_device_randomness(const void *buf, size_t len);
@@ -157,6 +164,9 @@ int random_prepare_cpu(unsigned int cpu);
int random_online_cpu(unsigned int cpu);
#endif
+void random_register_extrng(const struct random_extrng *rng);
+void random_unregister_extrng(void);
+
#ifndef MODULE
extern const struct file_operations random_fops, urandom_fops;
#endif
diff --git a/include/linux/rmi.h b/include/linux/rmi.h
index ab7eea01ab42..fff7c5f737fc 100644
--- a/include/linux/rmi.h
+++ b/include/linux/rmi.h
@@ -364,6 +364,7 @@ struct rmi_driver_data {
struct rmi4_attn_data attn_data;
DECLARE_KFIFO(attn_fifo, struct rmi4_attn_data, 16);
+ struct work_struct attn_work;
};
int rmi_register_transport_device(struct rmi_transport_dev *xport);
diff --git a/include/linux/security.h b/include/linux/security.h
index de3af33e6ff5..0a37270070e4 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -507,6 +507,7 @@ int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
int security_locked_down(enum lockdown_reason what);
+int security_lock_kernel_down(const char *where, enum lockdown_reason level);
int lsm_fill_user_ctx(struct lsm_ctx __user *uctx, u32 *uctx_len,
void *val, size_t val_len, u64 id, u64 flags);
#else /* CONFIG_SECURITY */
@@ -1477,6 +1478,10 @@ static inline int security_locked_down(enum lockdown_reason what)
{
return 0;
}
+static inline int security_lock_kernel_down(const char *where, enum lockdown_reason level)
+{
+ return 0;
+}
static inline int lsm_fill_user_ctx(struct lsm_ctx __user *uctx,
u32 *uctx_len, void *val, size_t val_len,
u64 id, u64 flags)
diff --git a/kernel/module/signing.c b/kernel/module/signing.c
index a2ff4242e623..f0d2be1ee4f1 100644
--- a/kernel/module/signing.c
+++ b/kernel/module/signing.c
@@ -61,10 +61,17 @@ int mod_verify_sig(const void *mod, struct load_info *info)
modlen -= sig_len + sizeof(ms);
info->len = modlen;
- return verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
VERIFY_USE_SECONDARY_KEYRING,
VERIFYING_MODULE_SIGNATURE,
NULL, NULL);
+ if (ret == -ENOKEY && IS_ENABLED(CONFIG_INTEGRITY_PLATFORM_KEYRING)) {
+ ret = verify_pkcs7_signature(mod, modlen, mod + modlen, sig_len,
+ VERIFY_USE_PLATFORM_KEYRING,
+ VERIFYING_MODULE_SIGNATURE,
+ NULL, NULL);
+ }
+ return ret;
}
int module_sig_check(struct load_info *info, int flags)
diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index 3edb156ae52c..0114ae1dbf7f 100644
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -27,7 +27,6 @@
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/err.h>
-#include <openssl/engine.h>
/*
* OpenSSL 3.0 deprecates the OpenSSL's ENGINE API.
@@ -99,16 +98,6 @@ static void display_openssl_errors(int l)
}
}
-static void drain_openssl_errors(void)
-{
- const char *file;
- int line;
-
- if (ERR_peek_error() == 0)
- return;
- while (ERR_get_error_line(&file, &line)) {}
-}
-
#define ERR(cond, fmt, ...) \
do { \
bool __cond = (cond); \
@@ -144,22 +133,8 @@ static EVP_PKEY *read_private_key(const char *private_key_name)
EVP_PKEY *private_key;
if (!strncmp(private_key_name, "pkcs11:", 7)) {
- ENGINE *e;
-
- ENGINE_load_builtin_engines();
- drain_openssl_errors();
- e = ENGINE_by_id("pkcs11");
- ERR(!e, "Load PKCS#11 ENGINE");
- if (ENGINE_init(e))
- drain_openssl_errors();
- else
- ERR(1, "ENGINE_init");
- if (key_pass)
- ERR(!ENGINE_ctrl_cmd_string(e, "PIN", key_pass, 0),
- "Set PKCS#11 PIN");
- private_key = ENGINE_load_private_key(e, private_key_name,
- NULL, NULL);
- ERR(!private_key, "%s", private_key_name);
+ fprintf(stderr, "Error: pkcs11 not implemented\n");
+ exit(1);
} else {
BIO *b;
diff --git a/scripts/tags.sh b/scripts/tags.sh
index 191e0461d6d5..e6f418b3e948 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -16,6 +16,8 @@ fi
ignore="$(echo "$RCS_FIND_IGNORE" | sed 's|\\||g' )"
# tags and cscope files should also ignore MODVERSION *.mod.c files
ignore="$ignore ( -name *.mod.c ) -prune -o"
+# RHEL tags and cscope should also ignore redhat/rpm
+ignore="$ignore ( -path redhat/rpm ) -prune -o"
# ignore arbitrary directories
if [ -n "${IGNORE_DIRS}" ]; then
diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
index d1fdd113450a..182e8090cfe8 100644
--- a/security/integrity/platform_certs/load_uefi.c
+++ b/security/integrity/platform_certs/load_uefi.c
@@ -74,7 +74,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
return NULL;
if (*status != EFI_BUFFER_TOO_SMALL) {
- pr_err("Couldn't get size: 0x%lx\n", *status);
+ pr_err("Couldn't get size: %s (0x%lx)\n",
+ efi_status_to_str(*status), *status);
return NULL;
}
@@ -85,7 +86,8 @@ static __init void *get_cert_list(efi_char16_t *name, efi_guid_t *guid,
*status = efi.get_variable(name, guid, NULL, &lsize, db);
if (*status != EFI_SUCCESS) {
kfree(db);
- pr_err("Error reading db var: 0x%lx\n", *status);
+ pr_err("Error reading db var: %s (0x%lx)\n",
+ efi_status_to_str(*status), *status);
return NULL;
}
diff --git a/security/lockdown/Kconfig b/security/lockdown/Kconfig
index e84ddf484010..d0501353a4b9 100644
--- a/security/lockdown/Kconfig
+++ b/security/lockdown/Kconfig
@@ -16,6 +16,19 @@ config SECURITY_LOCKDOWN_LSM_EARLY
subsystem is fully initialised. If enabled, lockdown will
unconditionally be called before any other LSMs.
+config LOCK_DOWN_IN_EFI_SECURE_BOOT
+ bool "Lock down the kernel in EFI Secure Boot mode"
+ default n
+ depends on EFI && SECURITY_LOCKDOWN_LSM_EARLY
+ help
+ UEFI Secure Boot provides a mechanism for ensuring that the firmware
+ will only load signed bootloaders and kernels. Secure boot mode may
+ be determined from EFI variables provided by the system firmware if
+ not indicated by the boot parameters.
+
+ Enabling this option results in kernel lockdown being triggered if
+ EFI Secure Boot is set.
+
choice
prompt "Kernel default lockdown mode"
default LOCK_DOWN_KERNEL_FORCE_NONE
diff --git a/security/lockdown/lockdown.c b/security/lockdown/lockdown.c
index cd84d8ea1dfb..e4c70a0312bc 100644
--- a/security/lockdown/lockdown.c
+++ b/security/lockdown/lockdown.c
@@ -74,6 +74,7 @@ static int lockdown_is_locked_down(enum lockdown_reason what)
static struct security_hook_list lockdown_hooks[] __ro_after_init = {
LSM_HOOK_INIT(locked_down, lockdown_is_locked_down),
+ LSM_HOOK_INIT(lock_kernel_down, lock_kernel_down),
};
const struct lsm_id lockdown_lsmid = {
diff --git a/security/security.c b/security/security.c
index 8cee5b6c6e6d..489e25946bf9 100644
--- a/security/security.c
+++ b/security/security.c
@@ -5596,6 +5596,18 @@ int security_locked_down(enum lockdown_reason what)
}
EXPORT_SYMBOL(security_locked_down);
+/**
+ * security_lock_kernel_down() - Put the kernel into lock-down mode.
+ *
+ * @where: Where the lock-down is originating from (e.g. command line option)
+ * @level: The lock-down level (can only increase)
+ */
+int security_lock_kernel_down(const char *where, enum lockdown_reason level)
+{
+ return call_int_hook(lock_kernel_down, where, level);
+}
+EXPORT_SYMBOL(security_lock_kernel_down);
+
#ifdef CONFIG_PERF_EVENTS
/**
* security_perf_event_open() - Check if a perf event open is allowed