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-rw-r--r--arch/um/Makefile4
-rw-r--r--arch/um/kernel/trap.c2
-rw-r--r--arch/um/os-Linux/helper.c6
-rw-r--r--arch/x86/um/ldt.c5
-rw-r--r--drivers/iommu/intel-iommu.c12
-rw-r--r--drivers/mmc/card/mmc_test.c9
-rw-r--r--drivers/mmc/core/mmc.c7
-rw-r--r--security/keys/gc.c6
-rw-r--r--security/keys/request_key.c3
9 files changed, 28 insertions, 26 deletions
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 098ab3333e7c..e3abe6f3156d 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -70,8 +70,8 @@ KBUILD_AFLAGS += $(ARCH_INCLUDE)
USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -I%,,$(KBUILD_CFLAGS))) \
$(ARCH_INCLUDE) $(MODE_INCLUDE) $(filter -I%,$(CFLAGS)) \
- -D_FILE_OFFSET_BITS=64 -idirafter include \
- -D__KERNEL__ -D__UM_HOST__
+ -D_FILE_OFFSET_BITS=64 -idirafter $(srctree)/include \
+ -idirafter $(obj)/include -D__KERNEL__ -D__UM_HOST__
#This will adjust *FLAGS accordingly to the platform.
include $(ARCH_DIR)/Makefile-os-$(OS)
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index d8a9fce6ee2e..98783dd0fa2e 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -220,7 +220,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
show_regs(container_of(regs, struct pt_regs, regs));
panic("Segfault with no mm");
}
- else if (!is_user && address < TASK_SIZE) {
+ else if (!is_user && address > PAGE_SIZE && address < TASK_SIZE) {
show_regs(container_of(regs, struct pt_regs, regs));
panic("Kernel tried to access user memory at addr 0x%lx, ip 0x%lx",
address, ip);
diff --git a/arch/um/os-Linux/helper.c b/arch/um/os-Linux/helper.c
index e3ee4a51ef63..3f02d4232812 100644
--- a/arch/um/os-Linux/helper.c
+++ b/arch/um/os-Linux/helper.c
@@ -96,7 +96,7 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv)
"ret = %d\n", -n);
ret = n;
}
- CATCH_EINTR(waitpid(pid, NULL, __WCLONE));
+ CATCH_EINTR(waitpid(pid, NULL, __WALL));
}
out_free2:
@@ -129,7 +129,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
return err;
}
if (stack_out == NULL) {
- CATCH_EINTR(pid = waitpid(pid, &status, __WCLONE));
+ CATCH_EINTR(pid = waitpid(pid, &status, __WALL));
if (pid < 0) {
err = -errno;
printk(UM_KERN_ERR "run_helper_thread - wait failed, "
@@ -148,7 +148,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
int helper_wait(int pid)
{
int ret, status;
- int wflags = __WCLONE;
+ int wflags = __WALL;
CATCH_EINTR(ret = waitpid(pid, &status, wflags));
if (ret < 0) {
diff --git a/arch/x86/um/ldt.c b/arch/x86/um/ldt.c
index 9701a4fd7bf2..836a1eb5df43 100644
--- a/arch/x86/um/ldt.c
+++ b/arch/x86/um/ldt.c
@@ -12,7 +12,10 @@
#include <skas.h>
#include <sysdep/tls.h>
-extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
+static inline int modify_ldt (int func, void *ptr, unsigned long bytecount)
+{
+ return syscall(__NR_modify_ldt, func, ptr, bytecount);
+}
static long write_ldt_entry(struct mm_id *mm_idp, int func,
struct user_desc *desc, void **addr, int done)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 35365f046923..d65cf42399e8 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2115,15 +2115,19 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
return -ENOMEM;
/* It is large page*/
if (largepage_lvl > 1) {
+ unsigned long nr_superpages, end_pfn;
+
pteval |= DMA_PTE_LARGE_PAGE;
lvl_pages = lvl_to_nr_pages(largepage_lvl);
+
+ nr_superpages = sg_res / lvl_pages;
+ end_pfn = iov_pfn + nr_superpages * lvl_pages - 1;
+
/*
* Ensure that old small page tables are
- * removed to make room for superpage,
- * if they exist.
+ * removed to make room for superpage(s).
*/
- dma_pte_free_pagetable(domain, iov_pfn,
- iov_pfn + lvl_pages - 1);
+ dma_pte_free_pagetable(domain, iov_pfn, end_pfn);
} else {
pteval &= ~(uint64_t)DMA_PTE_LARGE_PAGE;
}
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index b78cf5d403a3..7fc9174d4619 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -2263,15 +2263,12 @@ static int mmc_test_profile_sglen_r_nonblock_perf(struct mmc_test_card *test)
/*
* eMMC hardware reset.
*/
-static int mmc_test_hw_reset(struct mmc_test_card *test)
+static int mmc_test_reset(struct mmc_test_card *test)
{
struct mmc_card *card = test->card;
struct mmc_host *host = card->host;
int err;
- if (!mmc_card_mmc(card) || !mmc_can_reset(card))
- return RESULT_UNSUP_CARD;
-
err = mmc_hw_reset(host);
if (!err)
return RESULT_OK;
@@ -2605,8 +2602,8 @@ static const struct mmc_test_case mmc_test_cases[] = {
},
{
- .name = "eMMC hardware reset",
- .run = mmc_test_hw_reset,
+ .name = "Reset test",
+ .run = mmc_test_reset,
},
};
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c
index e726903170a8..f6cd995dbe92 100644
--- a/drivers/mmc/core/mmc.c
+++ b/drivers/mmc/core/mmc.c
@@ -1924,7 +1924,6 @@ EXPORT_SYMBOL(mmc_can_reset);
static int mmc_reset(struct mmc_host *host)
{
struct mmc_card *card = host->card;
- u32 status;
if (!(host->caps & MMC_CAP_HW_RESET) || !host->ops->hw_reset)
return -EOPNOTSUPP;
@@ -1937,12 +1936,6 @@ static int mmc_reset(struct mmc_host *host)
host->ops->hw_reset(host);
- /* If the reset has happened, then a status command will fail */
- if (!mmc_send_status(card, &status)) {
- mmc_host_clk_release(host);
- return -ENOSYS;
- }
-
/* Set initial state and call mmc_set_ios */
mmc_set_initial_state(host);
mmc_host_clk_release(host);
diff --git a/security/keys/gc.c b/security/keys/gc.c
index 39eac1fd5706..addf060399e0 100644
--- a/security/keys/gc.c
+++ b/security/keys/gc.c
@@ -134,8 +134,10 @@ static noinline void key_gc_unused_keys(struct list_head *keys)
kdebug("- %u", key->serial);
key_check(key);
- /* Throw away the key data */
- if (key->type->destroy)
+ /* Throw away the key data if the key is instantiated */
+ if (test_bit(KEY_FLAG_INSTANTIATED, &key->flags) &&
+ !test_bit(KEY_FLAG_NEGATIVE, &key->flags) &&
+ key->type->destroy)
key->type->destroy(key);
security_key_free(key);
diff --git a/security/keys/request_key.c b/security/keys/request_key.c
index 486ef6fa393b..0d6253124278 100644
--- a/security/keys/request_key.c
+++ b/security/keys/request_key.c
@@ -440,6 +440,9 @@ static struct key *construct_key_and_link(struct keyring_search_context *ctx,
kenter("");
+ if (ctx->index_key.type == &key_type_keyring)
+ return ERR_PTR(-EPERM);
+
user = key_user_lookup(current_fsuid());
if (!user)
return ERR_PTR(-ENOMEM);
generated by cgit v1.2.3 (git 2.39.0) at 2025-02-01 05:35:03 +0300