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-rw-r--r--lib/Kconfig.debug17
-rw-r--r--lib/debugobjects.c1
-rw-r--r--lib/decompress_inflate.c8
-rw-r--r--lib/decompress_unlzma.c10
-rw-r--r--lib/dma-debug.c6
-rw-r--r--lib/fault-inject.c1
-rw-r--r--lib/vsprintf.c27
7 files changed, 52 insertions, 18 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index d57b12f59c8..234ceb10861 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -50,6 +50,14 @@ config MAGIC_SYSRQ
keys are documented in <file:Documentation/sysrq.txt>. Don't say Y
unless you really know what this hack does.
+config STRIP_ASM_SYMS
+ bool "Strip assembler-generated symbols during link"
+ default n
+ help
+ Strip internal assembler-generated symbols during a link (symbols
+ that look like '.Lxxx') so they don't pollute the output of
+ get_wchan() and suchlike.
+
config UNUSED_SYMBOLS
bool "Enable unused/obsolete exported symbols"
default y if X86
@@ -338,8 +346,9 @@ config SLUB_STATS
config DEBUG_KMEMLEAK
bool "Kernel memory leak detector"
- depends on DEBUG_KERNEL && EXPERIMENTAL && (X86 || ARM || PPC) && \
- !MEMORY_HOTPLUG
+ depends on DEBUG_KERNEL && EXPERIMENTAL && !MEMORY_HOTPLUG && \
+ (X86 || ARM || PPC || S390)
+
select DEBUG_FS if SYSFS
select STACKTRACE if STACKTRACE_SUPPORT
select KALLSYMS
@@ -362,7 +371,7 @@ config DEBUG_KMEMLEAK
config DEBUG_KMEMLEAK_EARLY_LOG_SIZE
int "Maximum kmemleak early log entries"
depends on DEBUG_KMEMLEAK
- range 200 2000
+ range 200 40000
default 400
help
Kmemleak must track all the memory allocations to avoid
@@ -383,7 +392,7 @@ config DEBUG_KMEMLEAK_TEST
config DEBUG_PREEMPT
bool "Debug preemptible kernel"
- depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64)
+ depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT
default y
help
If you say Y here then the kernel will use a debug variant of the
diff --git a/lib/debugobjects.c b/lib/debugobjects.c
index 2755a3bd16a..eae56fddfa3 100644
--- a/lib/debugobjects.c
+++ b/lib/debugobjects.c
@@ -9,6 +9,7 @@
*/
#include <linux/debugobjects.h>
#include <linux/interrupt.h>
+#include <linux/sched.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/hash.h>
diff --git a/lib/decompress_inflate.c b/lib/decompress_inflate.c
index 68dfce59c1b..fc686c7a0a0 100644
--- a/lib/decompress_inflate.c
+++ b/lib/decompress_inflate.c
@@ -27,6 +27,11 @@
#define GZIP_IOBUF_SIZE (16*1024)
+static int nofill(void *buffer, unsigned int len)
+{
+ return -1;
+}
+
/* Included from initramfs et al code */
STATIC int INIT gunzip(unsigned char *buf, int len,
int(*fill)(void*, unsigned int),
@@ -76,6 +81,9 @@ STATIC int INIT gunzip(unsigned char *buf, int len,
goto gunzip_nomem4;
}
+ if (!fill)
+ fill = nofill;
+
if (len == 0)
len = fill(zbuf, GZIP_IOBUF_SIZE);
diff --git a/lib/decompress_unlzma.c b/lib/decompress_unlzma.c
index 0b954e04bd3..ca82fde81c8 100644
--- a/lib/decompress_unlzma.c
+++ b/lib/decompress_unlzma.c
@@ -82,6 +82,11 @@ struct rc {
#define RC_MODEL_TOTAL_BITS 11
+static int nofill(void *buffer, unsigned int len)
+{
+ return -1;
+}
+
/* Called twice: once at startup and once in rc_normalize() */
static void INIT rc_read(struct rc *rc)
{
@@ -97,7 +102,10 @@ static inline void INIT rc_init(struct rc *rc,
int (*fill)(void*, unsigned int),
char *buffer, int buffer_size)
{
- rc->fill = fill;
+ if (fill)
+ rc->fill = fill;
+ else
+ rc->fill = nofill;
rc->buffer = (uint8_t *)buffer;
rc->buffer_size = buffer_size;
rc->buffer_end = rc->buffer + rc->buffer_size;
diff --git a/lib/dma-debug.c b/lib/dma-debug.c
index 58a9f9fc609..ce6b7eabf67 100644
--- a/lib/dma-debug.c
+++ b/lib/dma-debug.c
@@ -819,9 +819,11 @@ static void check_unmap(struct dma_debug_entry *ref)
err_printk(ref->dev, entry, "DMA-API: device driver frees "
"DMA memory with different CPU address "
"[device address=0x%016llx] [size=%llu bytes] "
- "[cpu alloc address=%p] [cpu free address=%p]",
+ "[cpu alloc address=0x%016llx] "
+ "[cpu free address=0x%016llx]",
ref->dev_addr, ref->size,
- (void *)entry->paddr, (void *)ref->paddr);
+ (unsigned long long)entry->paddr,
+ (unsigned long long)ref->paddr);
}
if (ref->sg_call_ents && ref->type == dma_debug_sg &&
diff --git a/lib/fault-inject.c b/lib/fault-inject.c
index f97af55bdd9..7e65af70635 100644
--- a/lib/fault-inject.c
+++ b/lib/fault-inject.c
@@ -1,6 +1,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/random.h>
+#include <linux/sched.h>
#include <linux/stat.h>
#include <linux/types.h>
#include <linux/fs.h>
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 73a14b8c6d1..33bed5e67a2 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -671,7 +671,7 @@ static char *ip4_string(char *p, const u8 *addr, bool leading_zeros)
return p;
}
-static char *ip6_compressed_string(char *p, const struct in6_addr *addr)
+static char *ip6_compressed_string(char *p, const char *addr)
{
int i;
int j;
@@ -683,7 +683,12 @@ static char *ip6_compressed_string(char *p, const struct in6_addr *addr)
u8 hi;
u8 lo;
bool needcolon = false;
- bool useIPv4 = ipv6_addr_v4mapped(addr) || ipv6_addr_is_isatap(addr);
+ bool useIPv4;
+ struct in6_addr in6;
+
+ memcpy(&in6, addr, sizeof(struct in6_addr));
+
+ useIPv4 = ipv6_addr_v4mapped(&in6) || ipv6_addr_is_isatap(&in6);
memset(zerolength, 0, sizeof(zerolength));
@@ -695,7 +700,7 @@ static char *ip6_compressed_string(char *p, const struct in6_addr *addr)
/* find position of longest 0 run */
for (i = 0; i < range; i++) {
for (j = i; j < range; j++) {
- if (addr->s6_addr16[j] != 0)
+ if (in6.s6_addr16[j] != 0)
break;
zerolength[i]++;
}
@@ -722,7 +727,7 @@ static char *ip6_compressed_string(char *p, const struct in6_addr *addr)
needcolon = false;
}
/* hex u16 without leading 0s */
- word = ntohs(addr->s6_addr16[i]);
+ word = ntohs(in6.s6_addr16[i]);
hi = word >> 8;
lo = word & 0xff;
if (hi) {
@@ -741,19 +746,19 @@ static char *ip6_compressed_string(char *p, const struct in6_addr *addr)
if (useIPv4) {
if (needcolon)
*p++ = ':';
- p = ip4_string(p, &addr->s6_addr[12], false);
+ p = ip4_string(p, &in6.s6_addr[12], false);
}
*p = '\0';
return p;
}
-static char *ip6_string(char *p, const struct in6_addr *addr, const char *fmt)
+static char *ip6_string(char *p, const char *addr, const char *fmt)
{
int i;
for (i = 0; i < 8; i++) {
- p = pack_hex_byte(p, addr->s6_addr[2 * i]);
- p = pack_hex_byte(p, addr->s6_addr[2 * i + 1]);
+ p = pack_hex_byte(p, *addr++);
+ p = pack_hex_byte(p, *addr++);
if (fmt[0] == 'I' && i != 7)
*p++ = ':';
}
@@ -768,9 +773,9 @@ static char *ip6_addr_string(char *buf, char *end, const u8 *addr,
char ip6_addr[sizeof("xxxx:xxxx:xxxx:xxxx:xxxx:xxxx:255.255.255.255")];
if (fmt[0] == 'I' && fmt[2] == 'c')
- ip6_compressed_string(ip6_addr, (const struct in6_addr *)addr);
+ ip6_compressed_string(ip6_addr, addr);
else
- ip6_string(ip6_addr, (const struct in6_addr *)addr, fmt);
+ ip6_string(ip6_addr, addr, fmt);
return string(buf, end, ip6_addr, spec);
}
@@ -1766,7 +1771,7 @@ int vsscanf(const char * buf, const char * fmt, va_list args)
* advance both strings to next white space
*/
if (*fmt == '*') {
- while (!isspace(*fmt) && *fmt)
+ while (!isspace(*fmt) && *fmt != '%' && *fmt)
fmt++;
while (!isspace(*str) && *str)
str++;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 16:34:10 +0000