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-rw-r--r--lib/Makefile3
-rw-r--r--lib/fonts/font_10x18.c1
-rw-r--r--lib/fonts/font_6x10.c1
-rw-r--r--lib/fonts/font_6x11.c1
-rw-r--r--lib/fonts/font_6x8.c1
-rw-r--r--lib/fonts/font_7x14.c1
-rw-r--r--lib/fonts/font_8x16.c1
-rw-r--r--lib/fonts/font_8x8.c1
-rw-r--r--lib/fonts/font_acorn_8x8.c1
-rw-r--r--lib/fonts/font_mini_4x6.c1
-rw-r--r--lib/fonts/font_pearl_8x8.c1
-rw-r--r--lib/fonts/font_sun12x22.c1
-rw-r--r--lib/fonts/font_sun8x16.c1
-rw-r--r--lib/fonts/font_ter16x32.c1
-rw-r--r--lib/strncpy_from_user.c19
-rw-r--r--lib/syscall.c11
-rw-r--r--lib/zlib_dfltcc/dfltcc_inflate.c3
17 files changed, 44 insertions, 5 deletions
diff --git a/lib/Makefile b/lib/Makefile
index ce45af50983a..d415fc7067c5 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -107,7 +107,7 @@ obj-$(CONFIG_TEST_FREE_PAGES) += test_free_pages.o
# off the generation of FPU/SSE* instructions for kernel proper but FPU_FLAGS
# get appended last to CFLAGS and thus override those previous compiler options.
#
-FPU_CFLAGS := -mhard-float -msse -msse2
+FPU_CFLAGS := -msse -msse2
ifdef CONFIG_CC_IS_GCC
# Stack alignment mismatch, proceed with caution.
# GCC < 7.1 cannot compile code using `double` and -mpreferred-stack-boundary=3
@@ -120,6 +120,7 @@ ifdef CONFIG_CC_IS_GCC
# -mpreferred-stack-boundary=3 is not between 4 and 12
#
# can be triggered. Otherwise gcc doesn't complain.
+FPU_CFLAGS += -mhard-float
FPU_CFLAGS += $(call cc-option,-msse -mpreferred-stack-boundary=3,-mpreferred-stack-boundary=4)
endif
diff --git a/lib/fonts/font_10x18.c b/lib/fonts/font_10x18.c
index e02f9df24d1e..5d940db626e7 100644
--- a/lib/fonts/font_10x18.c
+++ b/lib/fonts/font_10x18.c
@@ -5137,6 +5137,7 @@ const struct font_desc font_10x18 = {
.name = "10x18",
.width = 10,
.height = 18,
+ .charcount = 256,
.data = fontdata_10x18.data,
#ifdef __sparc__
.pref = 5,
diff --git a/lib/fonts/font_6x10.c b/lib/fonts/font_6x10.c
index 6e3c4b7691c8..e65df019e0d2 100644
--- a/lib/fonts/font_6x10.c
+++ b/lib/fonts/font_6x10.c
@@ -3083,6 +3083,7 @@ const struct font_desc font_6x10 = {
.name = "6x10",
.width = 6,
.height = 10,
+ .charcount = 256,
.data = fontdata_6x10.data,
.pref = 0,
};
diff --git a/lib/fonts/font_6x11.c b/lib/fonts/font_6x11.c
index 2d22a24e816f..bd76b3f6b635 100644
--- a/lib/fonts/font_6x11.c
+++ b/lib/fonts/font_6x11.c
@@ -3346,6 +3346,7 @@ const struct font_desc font_vga_6x11 = {
.name = "ProFont6x11",
.width = 6,
.height = 11,
+ .charcount = 256,
.data = fontdata_6x11.data,
/* Try avoiding this font if possible unless on MAC */
.pref = -2000,
diff --git a/lib/fonts/font_6x8.c b/lib/fonts/font_6x8.c
index e7442a0d183d..06ace7792521 100644
--- a/lib/fonts/font_6x8.c
+++ b/lib/fonts/font_6x8.c
@@ -2571,6 +2571,7 @@ const struct font_desc font_6x8 = {
.name = "6x8",
.width = 6,
.height = 8,
+ .charcount = 256,
.data = fontdata_6x8.data,
.pref = 0,
};
diff --git a/lib/fonts/font_7x14.c b/lib/fonts/font_7x14.c
index 9cc7ae2e03f7..a2f561c9fa04 100644
--- a/lib/fonts/font_7x14.c
+++ b/lib/fonts/font_7x14.c
@@ -4113,6 +4113,7 @@ const struct font_desc font_7x14 = {
.name = "7x14",
.width = 7,
.height = 14,
+ .charcount = 256,
.data = fontdata_7x14.data,
.pref = 0,
};
diff --git a/lib/fonts/font_8x16.c b/lib/fonts/font_8x16.c
index bab25dc59e8d..06ae14088514 100644
--- a/lib/fonts/font_8x16.c
+++ b/lib/fonts/font_8x16.c
@@ -4627,6 +4627,7 @@ const struct font_desc font_vga_8x16 = {
.name = "VGA8x16",
.width = 8,
.height = 16,
+ .charcount = 256,
.data = fontdata_8x16.data,
.pref = 0,
};
diff --git a/lib/fonts/font_8x8.c b/lib/fonts/font_8x8.c
index 109d0572368f..69570b8c31af 100644
--- a/lib/fonts/font_8x8.c
+++ b/lib/fonts/font_8x8.c
@@ -2578,6 +2578,7 @@ const struct font_desc font_vga_8x8 = {
.name = "VGA8x8",
.width = 8,
.height = 8,
+ .charcount = 256,
.data = fontdata_8x8.data,
.pref = 0,
};
diff --git a/lib/fonts/font_acorn_8x8.c b/lib/fonts/font_acorn_8x8.c
index fb395f0d4031..18755c33d249 100644
--- a/lib/fonts/font_acorn_8x8.c
+++ b/lib/fonts/font_acorn_8x8.c
@@ -270,6 +270,7 @@ const struct font_desc font_acorn_8x8 = {
.name = "Acorn8x8",
.width = 8,
.height = 8,
+ .charcount = 256,
.data = acorndata_8x8.data,
#ifdef CONFIG_ARCH_ACORN
.pref = 20,
diff --git a/lib/fonts/font_mini_4x6.c b/lib/fonts/font_mini_4x6.c
index 592774a90917..8d39fd447952 100644
--- a/lib/fonts/font_mini_4x6.c
+++ b/lib/fonts/font_mini_4x6.c
@@ -2152,6 +2152,7 @@ const struct font_desc font_mini_4x6 = {
.name = "MINI4x6",
.width = 4,
.height = 6,
+ .charcount = 256,
.data = fontdata_mini_4x6.data,
.pref = 3,
};
diff --git a/lib/fonts/font_pearl_8x8.c b/lib/fonts/font_pearl_8x8.c
index a6f95ebce950..b1678ed0017c 100644
--- a/lib/fonts/font_pearl_8x8.c
+++ b/lib/fonts/font_pearl_8x8.c
@@ -2582,6 +2582,7 @@ const struct font_desc font_pearl_8x8 = {
.name = "PEARL8x8",
.width = 8,
.height = 8,
+ .charcount = 256,
.data = fontdata_pearl8x8.data,
.pref = 2,
};
diff --git a/lib/fonts/font_sun12x22.c b/lib/fonts/font_sun12x22.c
index a5b65bd49604..91daf5ab8b6b 100644
--- a/lib/fonts/font_sun12x22.c
+++ b/lib/fonts/font_sun12x22.c
@@ -6156,6 +6156,7 @@ const struct font_desc font_sun_12x22 = {
.name = "SUN12x22",
.width = 12,
.height = 22,
+ .charcount = 256,
.data = fontdata_sun12x22.data,
#ifdef __sparc__
.pref = 5,
diff --git a/lib/fonts/font_sun8x16.c b/lib/fonts/font_sun8x16.c
index e577e76a6a7c..81bb4eeae04e 100644
--- a/lib/fonts/font_sun8x16.c
+++ b/lib/fonts/font_sun8x16.c
@@ -268,6 +268,7 @@ const struct font_desc font_sun_8x16 = {
.name = "SUN8x16",
.width = 8,
.height = 16,
+ .charcount = 256,
.data = fontdata_sun8x16.data,
#ifdef __sparc__
.pref = 10,
diff --git a/lib/fonts/font_ter16x32.c b/lib/fonts/font_ter16x32.c
index f7c3abb6b99e..1955d624177c 100644
--- a/lib/fonts/font_ter16x32.c
+++ b/lib/fonts/font_ter16x32.c
@@ -2062,6 +2062,7 @@ const struct font_desc font_ter_16x32 = {
.name = "TER16x32",
.width = 16,
.height = 32,
+ .charcount = 256,
.data = fontdata_ter16x32.data,
#ifdef __sparc__
.pref = 5,
diff --git a/lib/strncpy_from_user.c b/lib/strncpy_from_user.c
index e6d5fcc2cdf3..122d8d0e253c 100644
--- a/lib/strncpy_from_user.c
+++ b/lib/strncpy_from_user.c
@@ -35,17 +35,32 @@ static inline long do_strncpy_from_user(char *dst, const char __user *src,
goto byte_at_a_time;
while (max >= sizeof(unsigned long)) {
- unsigned long c, data;
+ unsigned long c, data, mask;
/* Fall back to byte-at-a-time if we get a page fault */
unsafe_get_user(c, (unsigned long __user *)(src+res), byte_at_a_time);
- *(unsigned long *)(dst+res) = c;
+ /*
+ * Note that we mask out the bytes following the NUL. This is
+ * important to do because string oblivious code may read past
+ * the NUL. For those routines, we don't want to give them
+ * potentially random bytes after the NUL in `src`.
+ *
+ * One example of such code is BPF map keys. BPF treats map keys
+ * as an opaque set of bytes. Without the post-NUL mask, any BPF
+ * maps keyed by strings returned from strncpy_from_user() may
+ * have multiple entries for semantically identical strings.
+ */
if (has_zero(c, &data, &constants)) {
data = prep_zero_mask(c, data, &constants);
data = create_zero_mask(data);
+ mask = zero_bytemask(data);
+ *(unsigned long *)(dst+res) = c & mask;
return res + find_zero(data);
}
+
+ *(unsigned long *)(dst+res) = c;
+
res += sizeof(unsigned long);
max -= sizeof(unsigned long);
}
diff --git a/lib/syscall.c b/lib/syscall.c
index 8533d2fea2d7..ba13e924c430 100644
--- a/lib/syscall.c
+++ b/lib/syscall.c
@@ -7,6 +7,7 @@
static int collect_syscall(struct task_struct *target, struct syscall_info *info)
{
+ unsigned long args[6] = { };
struct pt_regs *regs;
if (!try_get_task_stack(target)) {
@@ -27,8 +28,14 @@ static int collect_syscall(struct task_struct *target, struct syscall_info *info
info->data.nr = syscall_get_nr(target, regs);
if (info->data.nr != -1L)
- syscall_get_arguments(target, regs,
- (unsigned long *)&info->data.args[0]);
+ syscall_get_arguments(target, regs, args);
+
+ info->data.args[0] = args[0];
+ info->data.args[1] = args[1];
+ info->data.args[2] = args[2];
+ info->data.args[3] = args[3];
+ info->data.args[4] = args[4];
+ info->data.args[5] = args[5];
put_task_stack(target);
return 0;
diff --git a/lib/zlib_dfltcc/dfltcc_inflate.c b/lib/zlib_dfltcc/dfltcc_inflate.c
index aa9ef23474df..db107016d29b 100644
--- a/lib/zlib_dfltcc/dfltcc_inflate.c
+++ b/lib/zlib_dfltcc/dfltcc_inflate.c
@@ -4,6 +4,7 @@
#include "dfltcc_util.h"
#include "dfltcc.h"
#include <asm/setup.h>
+#include <linux/export.h>
#include <linux/zutil.h>
/*
@@ -29,6 +30,7 @@ int dfltcc_can_inflate(
return is_bit_set(dfltcc_state->af.fns, DFLTCC_XPND) &&
is_bit_set(dfltcc_state->af.fmts, DFLTCC_FMT0);
}
+EXPORT_SYMBOL(dfltcc_can_inflate);
static int dfltcc_was_inflate_used(
z_streamp strm
@@ -147,3 +149,4 @@ dfltcc_inflate_action dfltcc_inflate(
return (cc == DFLTCC_CC_OP1_TOO_SHORT || cc == DFLTCC_CC_OP2_TOO_SHORT) ?
DFLTCC_INFLATE_BREAK : DFLTCC_INFLATE_CONTINUE;
}
+EXPORT_SYMBOL(dfltcc_inflate);
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 18:07:37 +0000