aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/ia64/include/asm/siginfo.h5
-rw-r--r--arch/powerpc/include/asm/siginfo.h5
-rw-r--r--arch/x86/kernel/process_64.c4
-rw-r--r--arch/x86/kernel/ptrace.c7
-rw-r--r--arch/x86/kernel/traps_32.c4
-rw-r--r--arch/x86/kernel/traps_64.c2
-rw-r--r--arch/x86/kernel/vmlinux_64.lds.S2
-rw-r--r--arch/x86/mm/ioremap.c2
-rw-r--r--include/asm-generic/siginfo.h2
-rw-r--r--include/asm-parisc/siginfo.h5
-rw-r--r--include/asm-x86/ptrace.h2
-rw-r--r--include/asm-x86/traps.h12
12 files changed, 27 insertions, 25 deletions
diff --git a/arch/ia64/include/asm/siginfo.h b/arch/ia64/include/asm/siginfo.h
index 9294e4b0c8b..118d4297900 100644
--- a/arch/ia64/include/asm/siginfo.h
+++ b/arch/ia64/include/asm/siginfo.h
@@ -113,11 +113,6 @@ typedef struct siginfo {
#undef NSIGSEGV
#define NSIGSEGV 3
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
-#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint or watchpoint */
#undef NSIGTRAP
#define NSIGTRAP 4
diff --git a/arch/powerpc/include/asm/siginfo.h b/arch/powerpc/include/asm/siginfo.h
index 12f1bce037b..49495b0534e 100644
--- a/arch/powerpc/include/asm/siginfo.h
+++ b/arch/powerpc/include/asm/siginfo.h
@@ -15,11 +15,6 @@
#include <asm-generic/siginfo.h>
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
-#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint or watchpoint */
#undef NSIGTRAP
#define NSIGTRAP 4
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 2a8ccb9238b..b6b508ea711 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -754,12 +754,12 @@ unsigned long get_wchan(struct task_struct *p)
if (!p || p == current || p->state == TASK_RUNNING)
return 0;
stack = (unsigned long)task_stack_page(p);
- if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE)
+ if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE)
return 0;
fp = *(u64 *)(p->thread.sp);
do {
if (fp < (unsigned long)stack ||
- fp > (unsigned long)stack+THREAD_SIZE)
+ fp >= (unsigned long)stack+THREAD_SIZE)
return 0;
ip = *(u64 *)(fp+8);
if (!in_sched_functions(ip))
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index e375b658efc..42ec4421e10 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1452,7 +1452,8 @@ const struct user_regset_view *task_user_regset_view(struct task_struct *task)
#endif
}
-void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code)
+void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
+ int error_code, int si_code)
{
struct siginfo info;
@@ -1461,7 +1462,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code)
memset(&info, 0, sizeof(info));
info.si_signo = SIGTRAP;
- info.si_code = TRAP_BRKPT;
+ info.si_code = si_code;
/* User-mode ip? */
info.si_addr = user_mode_vm(regs) ? (void __user *) regs->ip : NULL;
@@ -1548,5 +1549,5 @@ asmregparm void syscall_trace_leave(struct pt_regs *regs)
*/
if (test_thread_flag(TIF_SINGLESTEP) &&
tracehook_consider_fatal_signal(current, SIGTRAP, SIG_DFL))
- send_sigtrap(current, regs, 0);
+ send_sigtrap(current, regs, 0, TRAP_BRKPT);
}
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c
index da5a5964fcc..0429c5de5ea 100644
--- a/arch/x86/kernel/traps_32.c
+++ b/arch/x86/kernel/traps_32.c
@@ -891,6 +891,7 @@ void __kprobes do_debug(struct pt_regs *regs, long error_code)
{
struct task_struct *tsk = current;
unsigned int condition;
+ int si_code;
trace_hardirqs_fixup();
@@ -935,8 +936,9 @@ void __kprobes do_debug(struct pt_regs *regs, long error_code)
goto clear_TF_reenable;
}
+ si_code = get_si_code((unsigned long)condition);
/* Ok, finally something we can handle */
- send_sigtrap(tsk, regs, error_code);
+ send_sigtrap(tsk, regs, error_code, si_code);
/*
* Disable additional traps. They'll be re-enabled when
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 2887a789e38..9c0ac0cab01 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -940,7 +940,7 @@ asmlinkage void __kprobes do_debug(struct pt_regs *regs,
tsk->thread.error_code = error_code;
info.si_signo = SIGTRAP;
info.si_errno = 0;
- info.si_code = TRAP_BRKPT;
+ info.si_code = get_si_code(condition);
info.si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL;
force_sig_info(SIGTRAP, &info, tsk);
diff --git a/arch/x86/kernel/vmlinux_64.lds.S b/arch/x86/kernel/vmlinux_64.lds.S
index 201e81a91a9..46e05447405 100644
--- a/arch/x86/kernel/vmlinux_64.lds.S
+++ b/arch/x86/kernel/vmlinux_64.lds.S
@@ -172,8 +172,8 @@ SECTIONS
.x86_cpu_dev.init : AT(ADDR(.x86_cpu_dev.init) - LOAD_OFFSET) {
*(.x86_cpu_dev.init)
}
- SECURITY_INIT
__x86_cpu_dev_end = .;
+ SECURITY_INIT
. = ALIGN(8);
.parainstructions : AT(ADDR(.parainstructions) - LOAD_OFFSET) {
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 6ab3196d12b..10b52309aef 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -614,7 +614,7 @@ void __init *early_ioremap(unsigned long phys_addr, unsigned long size)
*/
offset = phys_addr & ~PAGE_MASK;
phys_addr &= PAGE_MASK;
- size = PAGE_ALIGN(last_addr) - phys_addr;
+ size = PAGE_ALIGN(last_addr + 1) - phys_addr;
/*
* Mappings have to fit in the FIX_BTMAP area.
diff --git a/include/asm-generic/siginfo.h b/include/asm-generic/siginfo.h
index 8786e01e0db..969570167e9 100644
--- a/include/asm-generic/siginfo.h
+++ b/include/asm-generic/siginfo.h
@@ -199,6 +199,8 @@ typedef struct siginfo {
*/
#define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */
#define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */
+#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
+#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint/watchpoint */
#define NSIGTRAP 2
/*
diff --git a/include/asm-parisc/siginfo.h b/include/asm-parisc/siginfo.h
index d4909f55fe3..d7034728f37 100644
--- a/include/asm-parisc/siginfo.h
+++ b/include/asm-parisc/siginfo.h
@@ -3,11 +3,6 @@
#include <asm-generic/siginfo.h>
-/*
- * SIGTRAP si_codes
- */
-#define TRAP_BRANCH (__SI_FAULT|3) /* process taken branch trap */
-#define TRAP_HWBKPT (__SI_FAULT|4) /* hardware breakpoint or watchpoint */
#undef NSIGTRAP
#define NSIGTRAP 4
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
index 4dfce550ef6..ac578f11c1c 100644
--- a/include/asm-x86/ptrace.h
+++ b/include/asm-x86/ptrace.h
@@ -177,7 +177,7 @@ convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
#ifdef CONFIG_X86_32
extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
- int error_code);
+ int error_code, int si_code);
#endif
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
diff --git a/include/asm-x86/traps.h b/include/asm-x86/traps.h
index 2ccebc6fb0b..7a692baa51a 100644
--- a/include/asm-x86/traps.h
+++ b/include/asm-x86/traps.h
@@ -1,6 +1,8 @@
#ifndef ASM_X86__TRAPS_H
#define ASM_X86__TRAPS_H
+#include <asm/debugreg.h>
+
/* Common in X86_32 and X86_64 */
asmlinkage void divide_error(void);
asmlinkage void debug(void);
@@ -36,6 +38,16 @@ void do_invalid_op(struct pt_regs *, long);
void do_general_protection(struct pt_regs *, long);
void do_nmi(struct pt_regs *, long);
+static inline int get_si_code(unsigned long condition)
+{
+ if (condition & DR_STEP)
+ return TRAP_TRACE;
+ else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
+ return TRAP_HWBKPT;
+ else
+ return TRAP_BRKPT;
+}
+
extern int panic_on_unrecovered_nmi;
extern int kstack_depth_to_print;
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 17:30:53 +0000