diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 2e02aef5a334888817c4d6d89d6220d3d96ececd..f5f154942aab6414f7903d626f3ebf637c5af4d0 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -881,6 +881,7 @@ SYSCALL_DEFINE5(osf_setsysinfo, unsigned long, op, void __user *, buffer,
if (fex & IEEE_TRAP_ENABLE_DZE) si_code = FPE_FLTDIV;
if (fex & IEEE_TRAP_ENABLE_INV) si_code = FPE_FLTINV;
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_code = si_code;
diff --git a/arch/alpha/kernel/signal.c b/arch/alpha/kernel/signal.c
index 9ebb3bcbc626b20150a1f6ca31b51563a6f3042a..cd306e6023132074bf2e058a16d6779054060ad9 100644
--- a/arch/alpha/kernel/signal.c
+++ b/arch/alpha/kernel/signal.c
@@ -221,6 +221,7 @@ do_sigreturn(struct sigcontext __user *sc)
if (ptrace_cancel_bpt (current)) {
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_BRKPT;
@@ -255,6 +256,7 @@ do_rt_sigreturn(struct rt_sigframe __user *frame)
if (ptrace_cancel_bpt (current)) {
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_BRKPT;
diff --git a/arch/alpha/kernel/traps.c b/arch/alpha/kernel/traps.c
index f43bd05dede26ccb4beaa1a564253b0d0106a381..91636765dd6d37b4b7d5206f72beb42cb567f05b 100644
--- a/arch/alpha/kernel/traps.c
+++ b/arch/alpha/kernel/traps.c
@@ -228,6 +228,7 @@ do_entArith(unsigned long summary, unsigned long write_mask,
}
die_if_kernel("Arithmetic fault", regs, 0, NULL);
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_code = si_code;
@@ -241,6 +242,7 @@ do_entIF(unsigned long type, struct pt_regs *regs)
siginfo_t info;
int signo, code;
+ clear_siginfo(&info);
if ((regs->ps & ~IPL_MAX) == 0) {
if (type == 1) {
const unsigned int *data
@@ -430,6 +432,7 @@ do_entDbg(struct pt_regs *regs)
die_if_kernel("Instruction fault", regs, 0, NULL);
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLOPC;
@@ -761,6 +764,8 @@ do_entUnaUser(void __user * va, unsigned long opcode,
siginfo_t info;
long error;
+ clear_siginfo(&info);
+
/* Check the UAC bits to decide what the user wants us to do
with the unaliged access. */
diff --git a/arch/alpha/mm/fault.c b/arch/alpha/mm/fault.c
index cd3c572ee9127f55e5a3079ac7fd7f8566eee8e9..7f2202a9f50a80381de07ad787fc103895c501bf 100644
--- a/arch/alpha/mm/fault.c
+++ b/arch/alpha/mm/fault.c
@@ -91,6 +91,8 @@ do_page_fault(unsigned long address, unsigned long mmcsr,
siginfo_t info;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
+
/* As of EV6, a load into $31/$f31 is a prefetch, and never faults
(or is suppressed by the PALcode). Support that for older CPUs
by ignoring such an instruction. */
diff --git a/arch/arc/mm/fault.c b/arch/arc/mm/fault.c
index a0b7bd6d030d698594b844886768f5ddc690b04b..b884bbd6f354ad6e01c3253bc44b6f7eb72f4765 100644
--- a/arch/arc/mm/fault.c
+++ b/arch/arc/mm/fault.c
@@ -70,6 +70,8 @@ void do_page_fault(unsigned long address, struct pt_regs *regs)
int write = regs->ecr_cause & ECR_C_PROTV_STORE; /* ST/EX */
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
+
/*
* We fault-in kernel-space virtual memory on-demand. The
* 'reference' page table is init_mm.pgd.
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c
index 7724b0f661b37b66f7ce67cce29d4575fedbb449..36718a4243589fe2ec0698e4867b1b227c8b9ef8 100644
--- a/arch/arm/kernel/ptrace.c
+++ b/arch/arm/kernel/ptrace.c
@@ -205,6 +205,7 @@ void ptrace_break(struct task_struct *tsk, struct pt_regs *regs)
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_BRKPT;
diff --git a/arch/arm/kernel/swp_emulate.c b/arch/arm/kernel/swp_emulate.c
index 3bda08bee6747c94917e20993a0a76c220b735f8..dfcb456afadd00e6b0693f6fa9363ea987e0f2c7 100644
--- a/arch/arm/kernel/swp_emulate.c
+++ b/arch/arm/kernel/swp_emulate.c
@@ -112,6 +112,7 @@ static void set_segfault(struct pt_regs *regs, unsigned long addr)
{
siginfo_t info;
+ clear_siginfo(&info);
down_read(¤t->mm->mmap_sem);
if (find_vma(current->mm, addr) == NULL)
info.si_code = SEGV_MAPERR;
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 5e3633c24e636575c19059cdb99bd247a666b5f5..2584f9066da3c544c5c507cb6834bf9aba1ff258 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -439,6 +439,7 @@ asmlinkage void do_undefinstr(struct pt_regs *regs)
siginfo_t info;
void __user *pc;
+ clear_siginfo(&info);
pc = (void __user *)instruction_pointer(regs);
if (processor_mode(regs) == SVC_MODE) {
@@ -537,6 +538,7 @@ static int bad_syscall(int n, struct pt_regs *regs)
{
siginfo_t info;
+ clear_siginfo(&info);
if ((current->personality & PER_MASK) != PER_LINUX) {
send_sig(SIGSEGV, current, 1);
return regs->ARM_r0;
@@ -604,6 +606,7 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
{
siginfo_t info;
+ clear_siginfo(&info);
if ((no >> 16) != (__ARM_NR_BASE>> 16))
return bad_syscall(no, regs);
@@ -740,6 +743,8 @@ baddataabort(int code, unsigned long instr, struct pt_regs *regs)
unsigned long addr = instruction_pointer(regs);
siginfo_t info;
+ clear_siginfo(&info);
+
#ifdef CONFIG_DEBUG_USER
if (user_debug & UDBG_BADABORT) {
pr_err("[%d] %s: bad data abort: code %d instr 0x%08lx\n",
diff --git a/arch/arm/mm/alignment.c b/arch/arm/mm/alignment.c
index 2c96190e018bd634ad3249b352d792598ccc08d4..bd2c739d80839bac052d4af850afed32c246358c 100644
--- a/arch/arm/mm/alignment.c
+++ b/arch/arm/mm/alignment.c
@@ -950,6 +950,7 @@ do_alignment(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
if (ai_usermode & UM_SIGNAL) {
siginfo_t si;
+ clear_siginfo(&si);
si.si_signo = SIGBUS;
si.si_errno = 0;
si.si_code = BUS_ADRALN;
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index b75eada23d0a3be3e635b612adb431e5c06e34ef..32034543f49c13c77aed2cc0770cc8114e0b37ae 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -163,6 +163,8 @@ __do_user_fault(struct task_struct *tsk, unsigned long addr,
{
struct siginfo si;
+ clear_siginfo(&si);
+
#ifdef CONFIG_DEBUG_USER
if (((user_debug & UDBG_SEGV) && (sig == SIGSEGV)) ||
((user_debug & UDBG_BUS) && (sig == SIGBUS))) {
@@ -557,6 +559,7 @@ do_DataAbort(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
inf->name, fsr, addr);
show_pte(current->mm, addr);
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
@@ -589,6 +592,7 @@ do_PrefetchAbort(unsigned long addr, unsigned int ifsr, struct pt_regs *regs)
pr_alert("Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
inf->name, ifsr, addr);
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
diff --git a/arch/arm/vfp/vfpmodule.c b/arch/arm/vfp/vfpmodule.c
index 4c375e11ae9531bec8b5a05bd14ab8424ccd6653..adda3fc2dde831101f206d99b9531019f2dda0c6 100644
--- a/arch/arm/vfp/vfpmodule.c
+++ b/arch/arm/vfp/vfpmodule.c
@@ -218,8 +218,7 @@ static void vfp_raise_sigfpe(unsigned int sicode, struct pt_regs *regs)
{
siginfo_t info;
- memset(&info, 0, sizeof(info));
-
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_code = sicode;
info.si_addr = (void __user *)(instruction_pointer(regs) - 4);
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 87a35364e750c4fd55a2780a974689aafb4b929e..4bcdd03187298312704b92302a7a8fb47eebba53 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -882,7 +882,7 @@ asmlinkage void do_fpsimd_exc(unsigned int esr, struct pt_regs *regs)
si_code = FPE_FLTRES;
}
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_code = si_code;
info.si_addr = (void __user *)instruction_pointer(regs);
diff --git a/arch/arm64/kernel/sys_compat.c b/arch/arm64/kernel/sys_compat.c
index 93ab57dcfc14e430a4a7319d8fca2d8370c6baf2..a6109825eeb97133b8cbccc9a7fe98d2f11f14e4 100644
--- a/arch/arm64/kernel/sys_compat.c
+++ b/arch/arm64/kernel/sys_compat.c
@@ -112,6 +112,7 @@ long compat_arm_syscall(struct pt_regs *regs)
break;
}
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLTRP;
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index ba964da31a252dd2ea517b2b7a4dcef06daa0f7b..7f476586cacc2417635c3fa4e0d1fd500d2e2222 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -634,6 +634,7 @@ asmlinkage void bad_el0_sync(struct pt_regs *regs, int reason, unsigned int esr)
siginfo_t info;
void __user *pc = (void __user *)instruction_pointer(regs);
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLOPC;
diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 4165485e8b6ecbc60f161d98c20139992877c416..91c53a7d2575f4a7b1c0cad5728e8d489ce3b910 100644
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -305,11 +305,12 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re
*/
if (user_mode(regs)) {
const struct fault_info *inf = esr_to_fault_info(esr);
- struct siginfo si = {
- .si_signo = inf->sig,
- .si_code = inf->code,
- .si_addr = (void __user *)addr,
- };
+ struct siginfo si;
+
+ clear_siginfo(&si);
+ si.si_signo = inf->sig;
+ si.si_code = inf->code;
+ si.si_addr = (void __user *)addr;
__do_user_fault(&si, esr);
} else {
@@ -583,6 +584,7 @@ static int do_sea(unsigned long addr, unsigned int esr, struct pt_regs *regs)
nmi_exit();
}
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
@@ -687,6 +689,7 @@ asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int esr,
show_pte(addr);
}
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
@@ -729,6 +732,7 @@ asmlinkage void __exception do_sp_pc_abort(unsigned long addr,
local_irq_enable();
}
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
@@ -772,7 +776,6 @@ asmlinkage int __exception do_debug_exception(unsigned long addr,
struct pt_regs *regs)
{
const struct fault_info *inf = debug_fault_info + DBG_ESR_EVT(esr);
- struct siginfo info;
int rv;
/*
@@ -788,6 +791,9 @@ asmlinkage int __exception do_debug_exception(unsigned long addr,
if (!inf->fn(addr, esr, regs)) {
rv = 1;
} else {
+ struct siginfo info;
+
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
diff --git a/arch/c6x/kernel/traps.c b/arch/c6x/kernel/traps.c
index 4c1d4b84dd2b8865ea86f696ff84f60eb350dd5c..c5feee4542b0ef2eafb24a44a7699ffcd84fc58e 100644
--- a/arch/c6x/kernel/traps.c
+++ b/arch/c6x/kernel/traps.c
@@ -246,6 +246,7 @@ static void do_trap(struct exception_info *except_info, struct pt_regs *regs)
unsigned long addr = instruction_pointer(regs);
siginfo_t info;
+ clear_siginfo(&info);
if (except_info->code != TRAP_BRKPT)
pr_err("TRAP: %s PC[0x%lx] signo[%d] code[%d]\n",
except_info->kernel_str, regs->pc,
diff --git a/arch/hexagon/kernel/traps.c b/arch/hexagon/kernel/traps.c
index 2942a9204a9aad6ed14a2d15784a00e10de7fe82..1ff6a6a7b97c1f07000ee1c049315fc7153808f3 100644
--- a/arch/hexagon/kernel/traps.c
+++ b/arch/hexagon/kernel/traps.c
@@ -414,6 +414,7 @@ void do_trap0(struct pt_regs *regs)
if (user_mode(regs)) {
struct siginfo info;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
/*
diff --git a/arch/hexagon/mm/vm_fault.c b/arch/hexagon/mm/vm_fault.c
index 3eec33c5cfd716d169fefc8e4b0deee6e78bece4..2ad92edc877c5bde038dc72fb3c4def6f9a8efe4 100644
--- a/arch/hexagon/mm/vm_fault.c
+++ b/arch/hexagon/mm/vm_fault.c
@@ -56,6 +56,7 @@ void do_page_fault(unsigned long address, long cause, struct pt_regs *regs)
const struct exception_table_entry *fixup;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
/*
* If we're in an interrupt or have no user context,
* then must not take the fault.
diff --git a/arch/ia64/kernel/brl_emu.c b/arch/ia64/kernel/brl_emu.c
index 9bcc908bc85e9e3678f4e843203ea8d2b7a106d4..a61f6c6a36f838d70a384738b7cb8ae9d48b117a 100644
--- a/arch/ia64/kernel/brl_emu.c
+++ b/arch/ia64/kernel/brl_emu.c
@@ -62,6 +62,7 @@ ia64_emulate_brl (struct pt_regs *regs, unsigned long ar_ec)
struct illegal_op_return rv;
long tmp_taken, unimplemented_address;
+ clear_siginfo(&siginfo);
rv.fkt = (unsigned long) -1;
/*
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 54547c7cf8a2f294ae01bf0be9ac981714bdc518..d1234a5ba4c55e79a1b43366b4093925ad085698 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -153,6 +153,7 @@ ia64_rt_sigreturn (struct sigscratch *scr)
return retval;
give_sigsegv:
+ clear_siginfo(&si);
si.si_signo = SIGSEGV;
si.si_errno = 0;
si.si_code = SI_KERNEL;
@@ -236,6 +237,7 @@ force_sigsegv_info (int sig, void __user *addr)
unsigned long flags;
struct siginfo si;
+ clear_siginfo(&si);
if (sig == SIGSEGV) {
/*
* Acquiring siglock around the sa_handler-update is almost
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 6d4e76a4267f15d6ee39d2e055cd22f1eea40db4..972873ed1ae50ffe7f6112cf34c8126404a087fd 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -104,6 +104,7 @@ __kprobes ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
int sig, code;
/* SIGILL, SIGFPE, SIGSEGV, and SIGBUS want these field initialized: */
+ clear_siginfo(&siginfo);
siginfo.si_addr = (void __user *) (regs->cr_iip + ia64_psr(regs)->ri);
siginfo.si_imm = break_num;
siginfo.si_flags = 0; /* clear __ISR_VALID */
@@ -293,7 +294,6 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
{
long exception, bundle[2];
unsigned long fault_ip;
- struct siginfo siginfo;
fault_ip = regs->cr_iip;
if (!fp_fault && (ia64_psr(regs)->ri == 0))
@@ -344,10 +344,13 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
printk(KERN_ERR "handle_fpu_swa: fp_emulate() returned -1\n");
return -1;
} else {
+ struct siginfo siginfo;
+
/* is next instruction a trap? */
if (exception & 2) {
ia64_increment_ip(regs);
}
+ clear_siginfo(&siginfo);
siginfo.si_signo = SIGFPE;
siginfo.si_errno = 0;
siginfo.si_code = FPE_FIXME; /* default code */
@@ -372,6 +375,9 @@ handle_fpu_swa (int fp_fault, struct pt_regs *regs, unsigned long isr)
return -1;
} else if (exception != 0) {
/* raise exception */
+ struct siginfo siginfo;
+
+ clear_siginfo(&siginfo);
siginfo.si_signo = SIGFPE;
siginfo.si_errno = 0;
siginfo.si_code = FPE_FIXME; /* default code */
@@ -420,7 +426,7 @@ ia64_illegal_op_fault (unsigned long ec, long arg1, long arg2, long arg3,
if (die_if_kernel(buf, ®s, 0))
return rv;
- memset(&si, 0, sizeof(si));
+ clear_siginfo(&si);
si.si_signo = SIGILL;
si.si_code = ILL_ILLOPC;
si.si_addr = (void __user *) (regs.cr_iip + ia64_psr(®s)->ri);
@@ -434,7 +440,6 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
long arg7, struct pt_regs regs)
{
unsigned long code, error = isr, iip;
- struct siginfo siginfo;
char buf[128];
int result, sig;
static const char *reason[] = {
@@ -485,6 +490,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
case 26: /* NaT Consumption */
if (user_mode(®s)) {
+ struct siginfo siginfo;
void __user *addr;
if (((isr >> 4) & 0xf) == 2) {
@@ -499,6 +505,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
addr = (void __user *) (regs.cr_iip
+ ia64_psr(®s)->ri);
}
+ clear_siginfo(&siginfo);
siginfo.si_signo = sig;
siginfo.si_code = code;
siginfo.si_errno = 0;
@@ -515,6 +522,9 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
case 31: /* Unsupported Data Reference */
if (user_mode(®s)) {
+ struct siginfo siginfo;
+
+ clear_siginfo(&siginfo);
siginfo.si_signo = SIGILL;
siginfo.si_code = ILL_ILLOPN;
siginfo.si_errno = 0;
@@ -531,6 +541,10 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
case 29: /* Debug */
case 35: /* Taken Branch Trap */
case 36: /* Single Step Trap */
+ {
+ struct siginfo siginfo;
+
+ clear_siginfo(&siginfo);
if (fsys_mode(current, ®s)) {
extern char __kernel_syscall_via_break[];
/*
@@ -578,11 +592,15 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
siginfo.si_isr = isr;
force_sig_info(SIGTRAP, &siginfo, current);
return;
+ }
case 32: /* fp fault */
case 33: /* fp trap */
result = handle_fpu_swa((vector == 32) ? 1 : 0, ®s, isr);
if ((result < 0) || (current->thread.flags & IA64_THREAD_FPEMU_SIGFPE)) {
+ struct siginfo siginfo;
+
+ clear_siginfo(&siginfo);
siginfo.si_signo = SIGFPE;
siginfo.si_errno = 0;
siginfo.si_code = FPE_FLTINV;
@@ -616,6 +634,9 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
} else {
/* Unimplemented Instr. Address Trap */
if (user_mode(®s)) {
+ struct siginfo siginfo;
+
+ clear_siginfo(&siginfo);
siginfo.si_signo = SIGILL;
siginfo.si_code = ILL_BADIADDR;
siginfo.si_errno = 0;
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 72e9b42425642459450d4900432aad861737b865..e309f9859acc31c29f4991749a161c03b6b883d3 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1537,6 +1537,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
/* NOT_REACHED */
}
force_sigbus:
+ clear_siginfo(&si);
si.si_signo = SIGBUS;
si.si_errno = 0;
si.si_code = BUS_ADRALN;
diff --git a/arch/ia64/mm/fault.c b/arch/ia64/mm/fault.c
index dfdc152d6737b3176c6b8fe74c115e377212eae9..817fa120645f1166f39e19fcf871bb98b102d72d 100644
--- a/arch/ia64/mm/fault.c
+++ b/arch/ia64/mm/fault.c
@@ -85,7 +85,6 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
int signal = SIGSEGV, code = SEGV_MAPERR;
struct vm_area_struct *vma, *prev_vma;
struct mm_struct *mm = current->mm;
- struct siginfo si;
unsigned long mask;
int fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
@@ -249,6 +248,9 @@ ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *re
return;
}
if (user_mode(regs)) {
+ struct siginfo si;
+
+ clear_siginfo(&si);
si.si_signo = signal;
si.si_errno = 0;
si.si_code = code;
diff --git a/arch/m68k/kernel/traps.c b/arch/m68k/kernel/traps.c
index c1cc4e99aa945dd1a14cc6a7561c1b58f3b5f2fa..0a00b476236db87982ac837ee148e87c4528402e 100644
--- a/arch/m68k/kernel/traps.c
+++ b/arch/m68k/kernel/traps.c
@@ -1011,6 +1011,7 @@ asmlinkage void trap_c(struct frame *fp)
int vector = (fp->ptregs.vector >> 2) & 0xff;
siginfo_t info;
+ clear_siginfo(&info);
if (fp->ptregs.sr & PS_S) {
if (vector == VEC_TRACE) {
/* traced a trapping instruction on a 68020/30,
@@ -1163,6 +1164,7 @@ asmlinkage void fpemu_signal(int signal, int code, void *addr)
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = signal;
info.si_errno = 0;
info.si_code = code;
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index e6f338d0496bbd99cc90a01248458e8f770fd8ca..443ec1feacb4f2b8a49cab96ac357a5b401399a3 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -65,6 +65,7 @@ void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
if (kernel_mode(regs))
die("Exception in kernel mode", regs, signr);
+ clear_siginfo(&info);
info.si_signo = signr;
info.si_errno = 0;
info.si_code = code;
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index f91b30f8aaa8c112b129b95bbaefcc70980eb391..43d92167012acae55b39f681c276e34d9ae16904 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -88,7 +88,6 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
{
struct vm_area_struct *vma;
struct mm_struct *mm = current->mm;
- siginfo_t info;
int code = SEGV_MAPERR;
int is_write = error_code & ESR_S;
int fault;
@@ -295,6 +294,9 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
do_sigbus:
up_read(&mm->mmap_sem);
if (user_mode(regs)) {
+ siginfo_t info;
+
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRERR;
diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 4f8f5bf46977a3c134ce47df543a3e8a540226f2..75392becd933269dc3bb312e5f242692ce94feaf 100644
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -63,6 +63,7 @@ static void __kprobes __do_page_fault(struct pt_regs *regs, unsigned long write,
return;
#endif
+ clear_siginfo(&info);
info.si_code = SEGV_MAPERR;
/*
diff --git a/arch/nds32/kernel/traps.c b/arch/nds32/kernel/traps.c
index 8e9a5b1f6234dc6ae03367e56716e52b741e9329..46911768f4b57e23360008438c52edbc2ca66d90 100644
--- a/arch/nds32/kernel/traps.c
+++ b/arch/nds32/kernel/traps.c
@@ -229,6 +229,7 @@ int bad_syscall(int n, struct pt_regs *regs)
return regs->uregs[0];
}
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLTRP;
@@ -292,7 +293,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
tsk->thread.trap_no = ENTRY_DEBUG_RELATED;
tsk->thread.error_code = error_code;
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_code = si_code;
info.si_addr = (void __user *)instruction_pointer(regs);
diff --git a/arch/nds32/mm/fault.c b/arch/nds32/mm/fault.c
index 3a246fb8098ca727da099096f0301472eb1ba537..876ee01ff80aad1a03d06584828024c66cca5c51 100644
--- a/arch/nds32/mm/fault.c
+++ b/arch/nds32/mm/fault.c
@@ -77,6 +77,7 @@ void do_page_fault(unsigned long entry, unsigned long addr,
unsigned int mask = VM_READ | VM_WRITE | VM_EXEC;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
error_code = error_code & (ITYPE_mskINST | ITYPE_mskETYPE);
tsk = current;
mm = tsk->mm;
diff --git a/arch/nios2/kernel/traps.c b/arch/nios2/kernel/traps.c
index 8184e7d6b3857d3a9588b556e89f76b5a6d42c6a..a69861d3e1a3b2c30cd2e3ce76d24a1c69b0abb0 100644
--- a/arch/nios2/kernel/traps.c
+++ b/arch/nios2/kernel/traps.c
@@ -28,6 +28,7 @@ static void _send_sig(int signo, int code, unsigned long addr)
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = signo;
info.si_errno = 0;
info.si_code = code;
diff --git a/arch/openrisc/kernel/traps.c b/arch/openrisc/kernel/traps.c
index 113c175fe469e5199c336e34a307d04fe747886d..1610b1d65a11866c54838c0bd205ff5fe4ad309c 100644
--- a/arch/openrisc/kernel/traps.c
+++ b/arch/openrisc/kernel/traps.c
@@ -251,7 +251,7 @@ void __init trap_init(void)
asmlinkage void do_trap(struct pt_regs *regs, unsigned long address)
{
siginfo_t info;
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_code = TRAP_TRACE;
info.si_addr = (void *)address;
@@ -266,6 +266,7 @@ asmlinkage void do_unaligned_access(struct pt_regs *regs, unsigned long address)
if (user_mode(regs)) {
/* Send a SIGBUS */
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
@@ -285,6 +286,7 @@ asmlinkage void do_bus_fault(struct pt_regs *regs, unsigned long address)
if (user_mode(regs)) {
/* Send a SIGBUS */
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRERR;
@@ -485,6 +487,7 @@ asmlinkage void do_illegal_instruction(struct pt_regs *regs,
if (user_mode(regs)) {
/* Send a SIGILL */
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLOPC;
diff --git a/arch/openrisc/mm/fault.c b/arch/openrisc/mm/fault.c
index d0021dfae20ad24649f20eab77f234ea2c598a22..68be33e4ae177078a9c789d817fd66f6f652e9d2 100644
--- a/arch/openrisc/mm/fault.c
+++ b/arch/openrisc/mm/fault.c
@@ -56,6 +56,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long address,
int fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
tsk = current;
/*
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 1a2be6e639b5a8cc3b2a28652bc089f69e59132d..b1c12ceb1c88489ce0aef5544731e8881866d111 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -90,6 +90,7 @@ void user_enable_single_step(struct task_struct *task)
ptrace_disable(task);
/* Don't wake up the task, but let the
parent know something happened. */
+ clear_siginfo(&si);
si.si_code = TRAP_TRACE;
si.si_addr = (void __user *) (task_regs(task)->iaoq[0] & ~3);
si.si_signo = SIGTRAP;
diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c
index 68e671a11987a6f2fe3de6823e8e3e1ed497334d..98f9f2f8594092bbb84b27769c77e5b457db58dd 100644
--- a/arch/parisc/kernel/traps.c
+++ b/arch/parisc/kernel/traps.c
@@ -299,6 +299,7 @@ static void handle_gdb_break(struct pt_regs *regs, int wot)
{
struct siginfo si;
+ clear_siginfo(&si);
si.si_signo = SIGTRAP;
si.si_errno = 0;
si.si_code = wot;
@@ -489,6 +490,7 @@ void notrace handle_interruption(int code, struct pt_regs *regs)
unsigned long fault_space = 0;
struct siginfo si;
+ clear_siginfo(&si);
if (code == 1)
pdc_console_restart(); /* switch back to pdc if HPMC */
else
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index e36f7b75ab07b3275a5af086cb4ab22dd6102119..30b7c7f6c471d550728db9bfce9d1e2720e264e6 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -455,6 +455,7 @@ void handle_unaligned(struct pt_regs *regs)
struct siginfo si;
register int flop=0; /* true if this is a flop */
+ clear_siginfo(&si);
__inc_irq_stat(irq_unaligned_count);
/* log a message with pacing */
diff --git a/arch/parisc/math-emu/driver.c b/arch/parisc/math-emu/driver.c
index 2fb59d2e2b294bb38484da2b72a49f64a816b4a2..0d10efb53361204744793d41b9c08ec8eb768b46 100644
--- a/arch/parisc/math-emu/driver.c
+++ b/arch/parisc/math-emu/driver.c
@@ -93,6 +93,7 @@ handle_fpe(struct pt_regs *regs)
*/
__u64 frcopy[36];
+ clear_siginfo(&si);
memcpy(frcopy, regs->fr, sizeof regs->fr);
frcopy[32] = 0;
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index e247edbca68ecd2f56500e467776c9d2fa1f1c11..657b35096bd8315a87b525c390e147f2bfe7dbff 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -356,6 +356,7 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
struct siginfo si;
unsigned int lsb = 0;
+ clear_siginfo(&si);
switch (code) {
case 15: /* Data TLB miss fault/Data page fault */
/* send SIGSEGV when outside of vma */
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 1237f13fed51862cbb5d7d2117c686cc06b2852b..26ea9793d2902f3618356126557aad5db4c1a0de 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -632,6 +632,7 @@ void do_break (struct pt_regs *regs, unsigned long address,
hw_breakpoint_disable();
/* Deliver the signal to userspace */
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_HWBKPT;
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index 0904492e7032eb4ba4409e54cadb1a74ef4df74f..087855caf6a92eb9559c43bbd7ed6e37af38f701 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -296,7 +296,6 @@ NOKPROBE_SYMBOL(die);
void user_single_step_siginfo(struct task_struct *tsk,
struct pt_regs *regs, siginfo_t *info)
{
- memset(info, 0, sizeof(*info));
info->si_signo = SIGTRAP;
info->si_code = TRAP_TRACE;
info->si_addr = (void __user *)regs->nip;
@@ -334,7 +333,7 @@ void _exception_pkey(int signr, struct pt_regs *regs, int code,
*/
thread_pkey_regs_save(¤t->thread);
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = signr;
info.si_code = code;
info.si_addr = (void __user *) addr;
diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index c01d627e687ae1952c297f4f7b1225a62fc8956c..ef268d5d9db739e65ea4cf045555fb84eab474f9 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -168,6 +168,7 @@ static int do_sigbus(struct pt_regs *regs, unsigned long address,
return SIGBUS;
current->thread.trap_nr = BUS_ADRERR;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRERR;
diff --git a/arch/powerpc/platforms/cell/spufs/fault.c b/arch/powerpc/platforms/cell/spufs/fault.c
index 870c0a82d560deff5446b93fc3f84077dcc6bfcf..1e002e94d0f6121100839c3e0cd5536bee92eac5 100644
--- a/arch/powerpc/platforms/cell/spufs/fault.c
+++ b/arch/powerpc/platforms/cell/spufs/fault.c
@@ -44,7 +44,7 @@ static void spufs_handle_event(struct spu_context *ctx,
return;
}
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
switch (type) {
case SPE_EVENT_INVALID_DMA:
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 93132cb59184816f565e057c95b8837bf995088c..48aa6471cede36b6f8498d85e3f0623264d63781 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -68,6 +68,7 @@ static inline void do_trap_siginfo(int signo, int code,
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = signo;
info.si_errno = 0;
info.si_code = code;
diff --git a/arch/s390/kernel/traps.c b/arch/s390/kernel/traps.c
index a5297a22bc1eafc1b7f8b6d2b1b8f8595b601203..3ba649d8aa5a6a4e6756c293ef6d7b1778a181e9 100644
--- a/arch/s390/kernel/traps.c
+++ b/arch/s390/kernel/traps.c
@@ -47,6 +47,7 @@ void do_report_trap(struct pt_regs *regs, int si_signo, int si_code, char *str)
siginfo_t info;
if (user_mode(regs)) {
+ clear_siginfo(&info);
info.si_signo = si_signo;
info.si_errno = 0;
info.si_code = si_code;
@@ -86,6 +87,7 @@ void do_per_trap(struct pt_regs *regs)
return;
if (!current->ptrace)
return;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_HWBKPT;
@@ -165,7 +167,6 @@ void translation_exception(struct pt_regs *regs)
void illegal_op(struct pt_regs *regs)
{
- siginfo_t info;
__u8 opcode[6];
__u16 __user *location;
int is_uprobe_insn = 0;
@@ -178,6 +179,8 @@ void illegal_op(struct pt_regs *regs)
return;
if (*((__u16 *) opcode) == S390_BREAKPOINT_U16) {
if (current->ptrace) {
+ siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_BRKPT;
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 93faeca522841ba4e1aec2164f52e476b8c265bf..b3ff0e8e58603b31412b45ed5f39f3b6144c8e21 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -268,6 +268,7 @@ static noinline void do_sigsegv(struct pt_regs *regs, int si_code)
struct siginfo si;
report_user_fault(regs, SIGSEGV, 1);
+ clear_siginfo(&si);
si.si_signo = SIGSEGV;
si.si_errno = 0;
si.si_code = si_code;
@@ -323,6 +324,7 @@ static noinline void do_sigbus(struct pt_regs *regs)
* Send a sigbus, regardless of whether we were in kernel
* or user mode.
*/
+ clear_siginfo(&si);
si.si_signo = SIGBUS;
si.si_errno = 0;
si.si_code = BUS_ADRERR;
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index b3770bb26211319062a84eb73992f3309196384b..e85e59c3d6dff66e59b243fbd0ef995f538bd840 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -537,6 +537,7 @@ asmlinkage void do_address_error(struct pt_regs *regs,
"access (PC %lx PR %lx)\n", current->comm, regs->pc,
regs->pr);
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = si_code;
@@ -600,6 +601,7 @@ asmlinkage void do_divide_error(unsigned long r4)
{
siginfo_t info;
+ clear_siginfo(&info);
switch (r4) {
case TRAP_DIVZERO_ERROR:
info.si_code = FPE_INTDIV;
diff --git a/arch/sh/math-emu/math.c b/arch/sh/math-emu/math.c
index c86f4360c6cee5d963c06f7434c769f6d7d897f7..d6d2213df078796d4a0b59653a14f56aa8bf9d57 100644
--- a/arch/sh/math-emu/math.c
+++ b/arch/sh/math-emu/math.c
@@ -560,6 +560,7 @@ static int ieee_fpe_handler(struct pt_regs *regs)
~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
task_thread_info(tsk)->status |= TS_USEDFPU;
} else {
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_code = FPE_FLTINV;
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 6fd1bf7481c7d83674d76fe66dbdc1f89f74c2ee..4c98b6f20e0226de25074bc0e47aa76f2cd93a2d 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -44,6 +44,7 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = si_signo;
info.si_errno = 0;
info.si_code = si_code;
diff --git a/arch/sparc/kernel/process_64.c b/arch/sparc/kernel/process_64.c
index 454a8af28f13bb6c185fd66d46160338d84d94e3..2219e55206b4abef776537c6b380dc609bfa16f3 100644
--- a/arch/sparc/kernel/process_64.c
+++ b/arch/sparc/kernel/process_64.c
@@ -520,6 +520,7 @@ static void stack_unaligned(unsigned long sp)
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index e8c3cb6b6d08ccbfb04ccd09f55da90db70cfbea..00f6353fe4350b2014b9ee9f1421fff543694bcb 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -152,6 +152,7 @@ sparc_breakpoint (struct pt_regs *regs)
#ifdef DEBUG_SPARC_BREAKPOINT
printk ("TRAP: Entering kernel PC=%x, nPC=%x\n", regs->pc, regs->npc);
#endif
+ clear_siginfo(&info);
info.si_signo = SIGTRAP;
info.si_errno = 0;
info.si_code = TRAP_BRKPT;
diff --git a/arch/sparc/kernel/traps_32.c b/arch/sparc/kernel/traps_32.c
index 33cd35bf3dc8b6ce8148e5bd3f2fdb8c7b15b721..03e522274b8b5ec1ab1b1a49afef5c8d854f118f 100644
--- a/arch/sparc/kernel/traps_32.c
+++ b/arch/sparc/kernel/traps_32.c
@@ -104,6 +104,7 @@ void do_hw_interrupt(struct pt_regs *regs, unsigned long type)
if(regs->psr & PSR_PS)
die_if_kernel("Kernel bad trap", regs);
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLTRP;
@@ -124,6 +125,7 @@ void do_illegal_instruction(struct pt_regs *regs, unsigned long pc, unsigned lon
regs->pc, *(unsigned long *)regs->pc);
#endif
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLOPC;
@@ -139,6 +141,7 @@ void do_priv_instruction(struct pt_regs *regs, unsigned long pc, unsigned long n
if(psr & PSR_PS)
die_if_kernel("Penguin instruction from Penguin mode??!?!", regs);
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_PRVOPC;
@@ -165,6 +168,7 @@ void do_memaccess_unaligned(struct pt_regs *regs, unsigned long pc, unsigned lon
instruction_dump ((unsigned long *) regs->pc);
printk ("do_MNA!\n");
#endif
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
@@ -303,6 +307,7 @@ void do_fpe_trap(struct pt_regs *regs, unsigned long pc, unsigned long npc,
}
fsr = fpt->thread.fsr;
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *)pc;
@@ -336,6 +341,7 @@ void handle_tag_overflow(struct pt_regs *regs, unsigned long pc, unsigned long n
if(psr & PSR_PS)
die_if_kernel("Penguin overflow trap from kernel mode", regs);
+ clear_siginfo(&info);
info.si_signo = SIGEMT;
info.si_errno = 0;
info.si_code = EMT_TAGOVF;
@@ -365,6 +371,7 @@ void handle_reg_access(struct pt_regs *regs, unsigned long pc, unsigned long npc
printk("Register Access Exception at PC %08lx NPC %08lx PSR %08lx\n",
pc, npc, psr);
#endif
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_OBJERR;
@@ -378,6 +385,7 @@ void handle_cp_disabled(struct pt_regs *regs, unsigned long pc, unsigned long np
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_COPROC;
@@ -395,6 +403,7 @@ void handle_cp_exception(struct pt_regs *regs, unsigned long pc, unsigned long n
printk("Co-Processor Exception at PC %08lx NPC %08lx PSR %08lx\n",
pc, npc, psr);
#endif
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_COPROC;
@@ -408,6 +417,7 @@ void handle_hw_divzero(struct pt_regs *regs, unsigned long pc, unsigned long npc
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_code = FPE_INTDIV;
diff --git a/arch/sparc/kernel/traps_64.c b/arch/sparc/kernel/traps_64.c
index e81072ac52c376743af12c50ce23c8c8d5e54c3b..b485b49b87a8e8bf67adde7bfe569b84d3e5fff0 100644
--- a/arch/sparc/kernel/traps_64.c
+++ b/arch/sparc/kernel/traps_64.c
@@ -107,6 +107,7 @@ void bad_trap(struct pt_regs *regs, long lvl)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLTRP;
@@ -206,6 +207,7 @@ void spitfire_insn_access_exception(struct pt_regs *regs, unsigned long sfsr, un
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
@@ -247,6 +249,7 @@ void sun4v_insn_access_exception(struct pt_regs *regs, unsigned long addr, unsig
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
@@ -338,6 +341,7 @@ void spitfire_data_access_exception(struct pt_regs *regs, unsigned long sfsr, un
if (is_no_fault_exception(regs))
return;
+ clear_siginfo(&info);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
@@ -595,6 +599,7 @@ static void spitfire_ue_log(unsigned long afsr, unsigned long afar, unsigned lon
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_OBJERR;
@@ -2211,6 +2216,7 @@ bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
addr += PAGE_SIZE;
}
}
+ clear_siginfo(&info);
info.si_signo = SIGKILL;
info.si_errno = 0;
info.si_trapno = 0;
@@ -2221,6 +2227,7 @@ bool sun4v_nonresum_error_user_handled(struct pt_regs *regs,
if (attrs & SUN4V_ERR_ATTRS_PIO) {
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_code = BUS_ADRERR;
info.si_addr = (void __user *)sun4v_get_vaddr(regs);
@@ -2368,6 +2375,7 @@ static void do_fpe_common(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *)regs->tpc;
@@ -2440,6 +2448,7 @@ void do_tof(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGEMT;
info.si_errno = 0;
info.si_code = EMT_TAGOVF;
@@ -2465,6 +2474,7 @@ void do_div0(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_code = FPE_INTDIV;
@@ -2666,6 +2676,7 @@ void do_illegal_instruction(struct pt_regs *regs)
}
}
}
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_ILLOPC;
@@ -2692,6 +2703,7 @@ void mem_address_unaligned(struct pt_regs *regs, unsigned long sfar, unsigned lo
if (is_no_fault_exception(regs))
return;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
@@ -2717,6 +2729,7 @@ void sun4v_do_mna(struct pt_regs *regs, unsigned long addr, unsigned long type_c
if (is_no_fault_exception(regs))
return;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
@@ -2785,6 +2798,7 @@ void do_privop(struct pt_regs *regs)
regs->tpc &= 0xffffffff;
regs->tnpc &= 0xffffffff;
}
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_PRVOPC;
diff --git a/arch/sparc/kernel/unaligned_32.c b/arch/sparc/kernel/unaligned_32.c
index 7642d7e4f0d9e0b8440cc23ed3af54ece843c0e3..0e4cf721741385fb1df402fdb9ec57a965980e7c 100644
--- a/arch/sparc/kernel/unaligned_32.c
+++ b/arch/sparc/kernel/unaligned_32.c
@@ -313,6 +313,7 @@ static void user_mna_trap_fault(struct pt_regs *regs, unsigned int insn)
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
diff --git a/arch/sparc/mm/fault_32.c b/arch/sparc/mm/fault_32.c
index a8103a84b4ac4a2ec84c44c302862b3aed8b7e7f..2deb586665b96ef0f1451f9bb57a6a3c79bd625c 100644
--- a/arch/sparc/mm/fault_32.c
+++ b/arch/sparc/mm/fault_32.c
@@ -129,6 +129,7 @@ static void __do_fault_siginfo(int code, int sig, struct pt_regs *regs,
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = sig;
info.si_code = code;
info.si_errno = 0;
diff --git a/arch/sparc/mm/fault_64.c b/arch/sparc/mm/fault_64.c
index 41363f46797bf9f74dd922fadbd2a3f190e8c9bb..46ccff95d10e16c084b0e302cabe47206f186d69 100644
--- a/arch/sparc/mm/fault_64.c
+++ b/arch/sparc/mm/fault_64.c
@@ -172,6 +172,7 @@ static void do_fault_siginfo(int code, int sig, struct pt_regs *regs,
unsigned long addr;
siginfo_t info;
+ clear_siginfo(&info);
info.si_code = code;
info.si_signo = sig;
info.si_errno = 0;
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index b2b02df9896ee8ba629494bd4fa1c7551b26b178..d4d38520c4c6131cc6aba06a5274ec6f8e69222b 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -164,6 +164,7 @@ static void bad_segv(struct faultinfo fi, unsigned long ip)
{
struct siginfo si;
+ clear_siginfo(&si);
si.si_signo = SIGSEGV;
si.si_code = SEGV_ACCERR;
si.si_addr = (void __user *) FAULT_ADDRESS(fi);
@@ -220,6 +221,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
int is_write = FAULT_WRITE(fi);
unsigned long address = FAULT_ADDRESS(fi);
+ clear_siginfo(&si);
if (!is_user && regs)
current->thread.segv_regs = container_of(regs, struct pt_regs, regs);
diff --git a/arch/unicore32/kernel/fpu-ucf64.c b/arch/unicore32/kernel/fpu-ucf64.c
index 12c8c9527b8e83411391faa1249ddd031d2111d4..d785955e1c2932ee5890f45c483ca95486c00561 100644
--- a/arch/unicore32/kernel/fpu-ucf64.c
+++ b/arch/unicore32/kernel/fpu-ucf64.c
@@ -56,7 +56,7 @@ void ucf64_raise_sigfpe(unsigned int sicode, struct pt_regs *regs)
{
siginfo_t info;
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_code = sicode;
diff --git a/arch/unicore32/mm/fault.c b/arch/unicore32/mm/fault.c
index bbefcc46a45e4187599118b8af70984a81c7760f..3814734129378eda8edf49148e83df9a5da81c9b 100644
--- a/arch/unicore32/mm/fault.c
+++ b/arch/unicore32/mm/fault.c
@@ -125,6 +125,7 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr,
tsk->thread.address = addr;
tsk->thread.error_code = fsr;
tsk->thread.trap_no = 14;
+ clear_siginfo(&si);
si.si_signo = sig;
si.si_errno = 0;
si.si_code = code;
@@ -472,6 +473,7 @@ asmlinkage void do_DataAbort(unsigned long addr, unsigned int fsr,
printk(KERN_ALERT "Unhandled fault: %s (0x%03x) at 0x%08lx\n",
inf->name, fsr, addr);
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
@@ -491,6 +493,7 @@ asmlinkage void do_PrefetchAbort(unsigned long addr,
printk(KERN_ALERT "Unhandled prefetch abort: %s (0x%03x) at 0x%08lx\n",
inf->name, ifsr, addr);
+ clear_siginfo(&info);
info.si_signo = inf->sig;
info.si_errno = 0;
info.si_code = inf->code;
diff --git a/arch/x86/entry/vsyscall/vsyscall_64.c b/arch/x86/entry/vsyscall/vsyscall_64.c
index 70b7845434cb06f30fda9feec4f2a35c90838bd8..7782cdbcd67d94e025b740e362f2a4e64e575887 100644
--- a/arch/x86/entry/vsyscall/vsyscall_64.c
+++ b/arch/x86/entry/vsyscall/vsyscall_64.c
@@ -107,7 +107,7 @@ static bool write_ok_or_segv(unsigned long ptr, size_t size)
thread->cr2 = ptr;
thread->trap_nr = X86_TRAP_PF;
- memset(&info, 0, sizeof(info));
+ clear_siginfo(&info);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index ed5c4cdf0a348d6a0de34d1214298f12fd6f1ddb..e2ee403865ebee6e265cfa3f35f5f0fad78436fe 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -1377,7 +1377,6 @@ static void fill_sigtrap_info(struct task_struct *tsk,
tsk->thread.trap_nr = X86_TRAP_DB;
tsk->thread.error_code = error_code;
- memset(info, 0, sizeof(*info));
info->si_signo = SIGTRAP;
info->si_code = si_code;
info->si_addr = user_mode(regs) ? (void __user *)regs->ip : NULL;
@@ -1395,6 +1394,7 @@ void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
{
struct siginfo info;
+ clear_siginfo(&info);
fill_sigtrap_info(tsk, regs, error_code, si_code, &info);
/* Send us the fake SIGTRAP */
force_sig_info(SIGTRAP, &info, tsk);
diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c
index 03f3d7695daccae1af7265f2aab221da81573ce5..a535dd64de6397b02b3f53cd685584ebf7ebf445 100644
--- a/arch/x86/kernel/traps.c
+++ b/arch/x86/kernel/traps.c
@@ -299,6 +299,7 @@ static void do_error_trap(struct pt_regs *regs, long error_code, char *str,
if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) !=
NOTIFY_STOP) {
cond_local_irq_enable(regs);
+ clear_siginfo(&info);
do_trap(trapnr, signr, str, regs, error_code,
fill_trap_info(regs, signr, trapnr, &info));
}
@@ -854,6 +855,7 @@ static void math_error(struct pt_regs *regs, int error_code, int trapnr)
task->thread.trap_nr = trapnr;
task->thread.error_code = error_code;
+ clear_siginfo(&info);
info.si_signo = SIGFPE;
info.si_errno = 0;
info.si_addr = (void __user *)uprobe_get_trap_addr(regs);
@@ -929,6 +931,7 @@ dotraplinkage void do_iret_error(struct pt_regs *regs, long error_code)
RCU_LOCKDEP_WARN(!rcu_is_watching(), "entry code didn't wake RCU");
local_irq_enable();
+ clear_siginfo(&info);
info.si_signo = SIGILL;
info.si_errno = 0;
info.si_code = ILL_BADSTK;
diff --git a/arch/x86/kernel/umip.c b/arch/x86/kernel/umip.c
index f44ce0fb35832aa0cfd7619fff7ad27b1742540e..ff20b35e98dddb84249ec2ddbba1ecf6d345004e 100644
--- a/arch/x86/kernel/umip.c
+++ b/arch/x86/kernel/umip.c
@@ -278,6 +278,7 @@ static void force_sig_info_umip_fault(void __user *addr, struct pt_regs *regs)
tsk->thread.error_code = X86_PF_USER | X86_PF_WRITE;
tsk->thread.trap_nr = X86_TRAP_PF;
+ clear_siginfo(&info);
info.si_signo = SIGSEGV;
info.si_errno = 0;
info.si_code = SEGV_MAPERR;
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 8494dbae41b9e58d8be0ec4d8ef2f98439e8d3fd..d634f0332c0fad5aec8b7e285b97d7423e064dcc 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -3007,6 +3007,7 @@ static void kvm_send_hwpoison_signal(unsigned long address, struct task_struct *
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_MCEERR_AR;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 73bd8c95ac711d69e551094f15b4534208ea3705..2a5a2920203dfdf43a42d32ecd72a96013c8aebc 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -209,6 +209,7 @@ force_sig_info_fault(int si_signo, int si_code, unsigned long address,
unsigned lsb = 0;
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = si_signo;
info.si_errno = 0;
info.si_code = si_code;
diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c
index 32c5207f12269bcd7b10fb8057e169bf13f8b1ba..51771929f341416968aa56f1b523ef8bd9a40a78 100644
--- a/arch/xtensa/kernel/traps.c
+++ b/arch/xtensa/kernel/traps.c
@@ -334,6 +334,7 @@ do_unaligned_user (struct pt_regs *regs)
"(pid = %d, pc = %#010lx)\n",
regs->excvaddr, current->comm,
task_pid_nr(current), regs->pc);
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_ADRALN;
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 8b9b6f44bb06093199da82d6c8ec34cab12e8c27..f9323a3e61ce47c39741d0215a94917aec0cfd32 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -45,6 +45,7 @@ void do_page_fault(struct pt_regs *regs)
int fault;
unsigned int flags = FAULT_FLAG_ALLOW_RETRY | FAULT_FLAG_KILLABLE;
+ clear_siginfo(&info);
info.si_code = SEGV_MAPERR;
/* We fault-in kernel-space virtual memory on-demand. The
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index 919b2a0b0307482016c317399a906af75a703770..037bf0ef1ae94ffddd23906901c82fa362582cbf 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -345,7 +345,6 @@ extern void user_single_step_siginfo(struct task_struct *tsk,
static inline void user_single_step_siginfo(struct task_struct *tsk,
struct pt_regs *regs, siginfo_t *info)
{
- memset(info, 0, sizeof(*info));
info->si_signo = SIGTRAP;
}
#endif
diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 26c152122a424dc337764357db5bb297a40074fd..4a8841963c2ee73a8529e049a594cba437636109 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -124,6 +124,7 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
{
if (step) {
siginfo_t info;
+ clear_siginfo(&info);
user_single_step_siginfo(current, regs, &info);
force_sig_info(SIGTRAP, &info, current);
return;
diff --git a/virt/kvm/arm/mmu.c b/virt/kvm/arm/mmu.c
index 7f6a944db23d6c471d87e0d58effc4c0d1ac01a4..8d90de213ce9b89340b7dc11927862f8344829c7 100644
--- a/virt/kvm/arm/mmu.c
+++ b/virt/kvm/arm/mmu.c
@@ -1401,6 +1401,7 @@ static void kvm_send_hwpoison_signal(unsigned long address,
{
siginfo_t info;
+ clear_siginfo(&info);
info.si_signo = SIGBUS;
info.si_errno = 0;
info.si_code = BUS_MCEERR_AR;