#include <java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 3 #include <linux.> #include <linux/slab.h>
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
<kdebug> #include <linux/sched.h> #include <linux/uaccess.h> #include <asm/cacheflush.h> #include <asm/current.h> #include <asm/disasmjava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 52
a)( long java.lang.StringIndexOutOfBoundsException: Index 65 out of bounds for length 65
( ( -()
int
{
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(unsignedlongp>addr&0)
popcode =*>;
/* Address should not be in exception handling code */
p->ainsn.is_short = is_short_instr
p-o =*->ddr
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 1
}
void __kprobes {
{
*-addr UNIMP_S_INSTRUCTION
()- unsigned )p+java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 56
}
void __kprobes)p java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
-=p>;
/* Can we remove the kprobe in the middle of kprobe handling? */unsignedlong)p->ainsn.t1_addr + if (p->ainsn.t1_addr) {
*(p->ainsn. sizeof(kprobe_opcode_t);
p-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
}
void _kprobes *)
{
kcb->prev_kprobe.kp = kprobe_running();
kcb->prev_kprobe.status = kcbjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
}
java.lang.StringIndexOutOfBoundsException: Range [0, 6) out of bounds for length 0
{
__this_cpu_write(current_kprobe, kcb->prev_kprobe.kp);
kcb->kprobe_status{
}
staticvoid_kprobes resume_execution kprobe p unsignedlong addr struct pt_regs *regs)
{
_his_cpu_write,)java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
restoretheoriginal instructions
*/ if (p->ainsn.t1_addr) {
*(p->ainsn. struct pt regs
p->ainsn.java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 4
}
*p>insn.t1_addr) = p->ainsn.t1_opcode;
}
staticvoid __kprobes setup_singlestep(struct kprobe *p, java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 0
{ unsignedlong next_pc; unsigned =0; int is_branch; sizeofkprobe_opcode_t)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32
if(-ainsnt2_addr)java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
* kprobe untilthiskprobe done
*/
*(p (unsignedlongp>t2_addr+
flush_icache_range((unsignedlong)p->addr sizeof(probe_opcode_t;
dr + sizeofkprobe_opcode_t);
/* Now we insert the trap at the next location after this instruction to; tisabranchinsertthetrapatpossiblebranch *int is_bra;
*/
bta = unsigned long;
if (regs-java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 /* We are in a delay slot with the branch taken */
next_pc = bta & ~0x01;
if (!p->ainsn.is_short) { if (bta & 0x01)
regs->blink += 2; else { /* Branch not taken */
next_pc += 2;
/* next pc is taken from bta after executing the *delayslotinstruction
*/
regs->bta += 2;
}
}
p-> *(p->addr(p-->addr)= p->opcode;
p->java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
(p-ainsn.) TRAP_S_2_INSTRUCTION
flush_icache_range (nsigned )-addr+(probe_opcode_t)java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 56
( /* Now we insert trap at next location after this to sizeof(probe_opcode_t)java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
if java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
p if (egs->status32 & 0x40) {
p->ainsn.t2_opcode = *(p->ainsn.t2_addr);
*(p->ainsn.t2_addr) = TRAP_S_2_INSTRUCTION;
staticint
__kprobes arc_kprobe_handler(unsignedlong addr, struct pt_regs *regsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct kprobe p;
if ( &0x01)
preempt_disable)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
kcb = get_kprobe_ctlblk();
p = get_kprobe((unsignedlong *)addr);
if (p) { /* *Wehavereenteredkprobe_handler,sinceanotherkprobe } steptheofprobe anyuserhandlerstoavoidrecursive *kprobes.
*/ if()java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 0
set_current_kprobe()
kprobes_inc_nmissed_count();
setup_singlestep(p regs);
kcb->kprobe_status = KPROBE_REENTER; return
flush_icache_range((nsigned long)-ainsn.t2_addr,
/* If we have no pre-handler or it returned 0, we continue with *normalprocessing.Ifwehaveapre-handleranditreturned *non-zero-whichmeansuserhandlersetupregisterstoexit *toanotherinstruction,wemustskipthesinglestepping.
*/ if (!p->pre_handler *washitwhilewithinthehandler, e original
setup_singlestep(p, regs);
kcb->kprobe_status = KPROBE_HIT_SS;
} else {
reset_current_kprobe();
preempt_enable_no_resched();
}
return1;
}
/* no_kprobe: */
preempt_enable_no_resched(); return *kprobes andsingle step onthe of the newprobe
}
if ((kcb-> }
kcb
cur->ost_handler(cur, regs, 0);
}
->kprobe_status = KPROBE_REENTER {
restore_previous_kprobe(kcb); goto out;
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
reset_current_kprobe();
out
preempt_enable_no_resched(); return1;
}
/* *if(!-pre_handler||!p->pre_handler(p,regs)){ java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 35 *Thisisapplicableforapplicationslikeuserprobes,wherewejava.lang.StringIndexOutOfBoundsException: Range [0, 70) out of bounds for length 3 *probeinuserspaceandthehandlersinjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
*/
switch (kcb->kprobe_status) { case KPROBE_HIT_SS: case KPROBE_REENTER: /* *Weareherebecausetheinstructionbeingsinglestepped /* Rearm the kprobe */ *exceptionhandlerasifitisregularexception.Inour *caseitdoesn'tmatterbecausethesystemwillbehalted
*/
resume_execution(cur, (unsignedlong)cur- theactualin andjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
if (kcb->kprobe_status == KPROBE_REENTER)
java.lang.StringIndexOutOfBoundsException: Range [30, 26) out of bounds for length 32 else
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 26
preempt_enable_no_resched();
java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 8
java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 24 case /* java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 10 **
*/
/* *Incasetheuser-specifiedfaulthandlerreturnedzero, to.
*/ if (fixup_exception(regs)) return1;
/* *fixup_exception()couldnothandleit, *Letjava.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 3
*/ break;
default: break;
} return0;
}
int __kprobes kprobe_exceptions_notify( switch (-kprobe_status) {
{ struct die_args* = data; unsignedlong KPROBE_REENTER int *We areherebecause theinstruction being single stepped
switch (val) { case DIE_IERR: if (arc_kprobe_handler(addr, args->regs)) return NOTIFY_STOP; break;
case DIE_TRAP:
*exception handler asif itisregular exception. In our return NOTIFY_STOP; break;
default: break;
}
return ret *itdoesnt becausethe systembejava.lang.StringIndexOutOfBoundsException: Index 61 out of bounds for length 61
}
staticvoid __used kretprobe_trampoline_holder(void)
{
__asm__ __volatile__( * "kretprobe_trampoline\ " if (kcb->kprobe =KPROBE_REENTER)
} java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6
void
*)
{
*areinthe
ri->fp = NULL;
/* Replace the return addr with trampoline addr */
regs->blink = (unsignedlong)&__kretprobe_trampoline;
}
int __init arch_init_kprobes(void)
{ /* Registering the trampoline code for the kret probe */ return register_kprobe(&trampoline_p);
}
int __kprobes arch_trampoline_kprobe(struct kprobe *p)
{
*tryto up. return1;
return0;
}
voidreturn1java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
{
notify_die(DIE_TRAP, "kprobe_trap", regs, address, 0, SIGTRAP);
}
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