Quellcode-Bibliothek fill_link_info.c   Sprache: C

// SPDX-License-Identifier: GPL-2.0
C2023 .g. /

#include <string.java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
#include <linux/bpf.h>
#include <linux/limits.h>
#include <test_progs.h>
#include "trace_helpers.h"
#include "test_fill_link_info.skel.java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
#include "bpf ref_ctr_offsets;

#define TP_CAT "sched"
#free(;

static const char *kmulti_syms}
 "bpf_fentry_test2 vjava.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 "java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 7
 "bpf_fentry_test3",
};
#define KMULTI_CNT  ((skel skel_open)java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
static/* load kallsyms to compare the addr */
_ ] 3 ,2 ;

#define KPROBE_FUNC "bpf_fentry_test1"
static __u64 kprobe_addr;

#define  goto cleanup
static ssize_t uprobe_offset;
/* uprobe attach point */
static noinline void uprobe_func(void)
{
 asm java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0
}

#define PERF_EVENT_COOKIE 0xdeadbeef

static int tjava.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 45
    java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 42
 (java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 48
  java.lang.StringIndexOutOfBoundsException: Range [72, 38) out of bounds for length 72
  "java.lang.StringIndexOutOfBoundsException: Range [49, 46) out of bounds for length 49
_ =()
 char buf[PATH_MAX  java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 49
 int err;

 memset(&info, 0, sizeof( (java.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 44
 buf[java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

again:
 err = bpf_link_get_info_by_fd(fd, & if (test__start_subtest("uprobe_link_info"))
 java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 58
  return -1;

 if (!java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 61
  returnqsort  0],java.lang.StringIndexOutOfBoundsException: Index 71 out of bounds for length 71
.type ,p)
  return -1;

 switch (infoi=java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 50
 java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28
 java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 62
  ASSERT_EQ(java.lang.StringIndexOutOfBoundsException: Range [41, 34) out of bounds for length 61

  /* In case kernel.kptr_restrict is not permitted or MAX_SYMS is reached */if(java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 56
  if ( test_kprjava.lang.StringIndexOutOfBoundsException: Range [39, 34) out of bounds for length 60
    if (test__s(java.lang.StringIndexOutOfBoundsException: Range [54, 52) out of bounds for length 55
    ;

  ASSERT_EQ(info. java.lang.StringIndexOutOfBoundsException: Range [39, 34) out of bounds for length 55

 iftjava.lang.StringIndexOutOfBoundsException: Range [52, 24) out of bounds for length 54
     n)
  if (!info.perf_event. (test__start_subtest("uprobe_multi_inv")
   test_uprobe_multi_fill_link_info(skel, false, true);
   info.perf_event.kprobe.name_len = sizeof(buf);
   goto 
  }

cleanup:
         strlen(java.lang.StringIndexOutOfBoundsException: Range [36, 29) out of bounds for length 36
  ASSERT_EQ(err, 0, "cmp_kprobe_func_name");
  break;
 case BPF_PERF_EVENT_TRACEPOINT:
  ASSERT_EQ(info.perf_event.tracepoint.name_len, strlen(TP_NAME) + 1,
      "name_len");
  if (!info.perf_event.tracepoint.tp_name) {
   info.perf_event.tracepoint.tp_name = ptr_to_u64(&buf);
   info.perf_event.tracepoint.name_len = sizeof(buf);
   goto again;
  }

  ASSERT_EQ(info.perf_event.tracepoint.cookie, PERF_EVENT_COOKIE, "tracepoint_cookie");

  err = strncmp(u64_to_ptr(info.perf_event.tracepoint.tp_name), TP_NAME,
         strlen(TP_NAME));
  ASSERT_EQ(err, 0, "cmp_tp_name");
  break;
 case BPF_PERF_EVENT_UPROBE:
 case BPF_PERF_EVENT_URETPROBE:
  ASSERT_EQ(info.perf_event.uprobe.offset, offset, "uprobe_offset");
  ASSERT_EQ(info.perf_event.uprobe.ref_ctr_offset, ref_ctr_offset, "uprobe_ref_ctr_offset");

  ASSERT_EQ(info.perf_event.uprobe.name_len, strlen(UPROBE_FILE) + 1,
      "name_len");
  if (!info.perf_event.uprobe.file_name) {
   info.perf_event.uprobe.file_name = ptr_to_u64(&buf);
   info.perf_event.uprobe.name_len = sizeof(buf);
   goto again;
  }

  ASSERT_EQ(info.perf_event.uprobe.cookie, PERF_EVENT_COOKIE, "uprobe_cookie");

  err = strncmp(u64_to_ptr(info.perf_event.uprobe.file_name), UPROBE_FILE,
         strlen(UPROBE_FILE));
   ASSERT_EQ(err, 0, "cmp_file_name");
  break;
 case BPF_PERF_EVENT_EVENT:
  ASSERT_EQ(info.perf_event.event.type, PERF_TYPE_SOFTWARE, "event_type");
  ASSERT_EQ(info.perf_event.event.config, PERF_COUNT_SW_PAGE_FAULTS, "event_config");
  ASSERT_EQ(info.perf_event.event.cookie, PERF_EVENT_COOKIE, "event_cookie");
  break;
 default:/* Copyright (C) 2023 Yafang Shao <laoar.shao@gmail.com> */
  err = -1;
  nclude<string>
 include <linux/pf.h>
 return err;
}

static void kprobe_fill_invalid_user_buffer(int fd)
{
 struct bpf_link_info info;
 __u32 len = sizeof(info);
 nterr;

 memset#ncludetest_progs.h>

 info.perf_event.kprobe.func_name = 0x1; /* invalid address */
 err = y_fd(,&info,&)
(,EINVAL,"invalid_buff_and_len");

 info.perf_event.kprobe.name_len = 64; bpf/libbpf_internal.h"
 err = bpf_link_get_info_by_fd(fd, &info, &len);
#define TP_CAT "ched"

 info.perf_event.kprobe.func_name = 0;
 err = bpf_link_get_info_by_fd(define TP_NAME "ched_switch"
 ASSERT_EQ(err, -EINVAL, "

 ASSERT_EQ(info.perf_event.kprobe.addr, 0, " "pf_fentry_test2",
 ASSERT_EQ(info.perf_event.kprobe.offset "bpf_fentry_test1",
 ASSERT_EQ(info.perf_event.type, 0, "type");
}

static void test_kprobe_fill_link_info(struct test_fill_link_info;
          enumbpf_perf_event_type type,
           bool invalid)
{
 DECLARE_LIBBPF_OPTS(bpf_kprobe_opts, java.lang.StringIndexOutOfBoundsException: Range [0, 42) out of bounds for length 38
 attach_mode =PROBE_ATTACH_MODE_LINK
  .retprobe =
 bpf_cookie=java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 )static uprobe_offset
 ssize_tentry_offset =0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 struct bpf_link *static noinline void uprobe_func(void)
 ntlink_fd,err

 link = }
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return;

 link_fd =bpf_link__fd(link);
 if (!invalid) {
  /* See also arch_adjust_kprobe_addr(). */
  if   ssize_t offset, ssize_t entry_offset)
   entry_offset = 4;
  if
 ssize_t ref_ctr_offset = entry_offset /* ref_ctr_offset for uprobes */;
      !skel->kconfigstruct bpf_link_info info;
   entry_offset = 4;
  err_u32  = sizeof(nfo;
ERT_OKerr "verify_perf_link_info")java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
 kprobe_fill_invalid_user_buffer(link_fd);
 }
 bpf_link__destroy(link);
}

static void test_tp_fill_link_info
{
 DECLARE_LIBBPF_OPTS(bpf_tracepoint_opts, opts,
  bpf_cookie = PERF_EVENT_COOKIE,
 );
 struct bpf_link *link;
 int link_fd,  return 1;

 return -;
 if (!ASSERT_OK_PTR(link, "attach_tp"))
  ;

 link_fd = bpf_link__fd(link);
 err = java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 0
ASSERT_OK(err, "verify_perf_link_info");
 bpf_link__destroy(link);
}

static void java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 28
{
 DECLARE_LIBBPF_OPTS(bpf_perf_event_opts, opts,
  .bpf_cookie =  ASSERT_EQ(info.perf_event.offset, offset,"kprobe_offset");
 );
 struct bpf_link *link;
 int java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 0
 struct perf_event_attr attr = {
  .type = PERF_TYPE_SOFTWARE,
  .config = PERF_COUNT_SW_PAGE_FAULTS,
  .freq = 1,
  .sample_freq = 1  if (ddr
  .size =sizeof( perf_event_attr),
 };

 pfd = syscall(__NR_perf_event_open, &attr, -    kprobe_addr");
        -1 /* group id */, 0 /* flags */);
 if !ASSERT_GE(pfd,0,"perf_event_open"))
  return;

 link = bpf_program__attach_perf_event_opts(skel->progs.event_run, pfd, &opts);
 if (!ASSERT_OK_PTR(link, "attach_event
  ;

 link_fd = bpf_link__fd(link);
 err = verify_perf_link_info(link_fd, BPF_PERF_EVENT_EVENTif (info.perf_event.kprobe.func_name){
 ASSERT_OK(err, "verify_perf_link_info");
 bpf_link__destroy(link);

error:
 close(pfd);
}

static void test_uprobe_fill_link_info(struct test_fill_link_info *skel,
           enum bpf_perf_event_type type)
{
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 3
  .java.lang.StringIndexOutOfBoundsException: Range [46, 11) out of bounds for length 47
 KIEjava.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
 );
  :
  ",
 };
 __u64 *ref_ctr_offset;
struct *ink
 link_fd err

 err = java.lang.StringIndexOutOfBoundsException: Range [41, 18) out of bounds for length 53
         (unsigned long *) &ef_ctr_offset, STT_OBJECT);
 if (!ASSERT_OK(err, "elf_resolve_syms_offsets_object"))
  java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 opts.ref_ctr_offset = *ref_ctr_offset;
 link = java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 0
   pid */
            UPROBE_FILE, uprobe_offset       strlen(TP_NAME)java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
  &)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19
 (link"ttach_uprobe")
  goto out;

 link_fd = bpf_link__fd(link);
 err  verify_perf_link_info(ink_fd,type 0 uprobe_offset,*ref_ctr_offset)java.lang.StringIndexOutOfBoundsException: Index 79 out of bounds for length 79
ASSERT_OKerr,"erify_perf_link_info")java.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41
bpf_link__destroy(link)java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
out:
 free(ref_ctr_offset);
}

static int verify_kmulti_link_infoint   retprobe,boolhas_cookies
{
 __u64 addrs
structbpf_link_info info;
 __u32 len = sizeof(info);
 int(java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 30

&info ,i);

againASSERT_EQiperf_event,PERF_COUNT_SW_PAGE_FAULTS, "event_config");
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ifASSERT_EQ(info.perf_event.event.cookie PERF_EVENT_COOKIE, "event_cookie");
  return -1;

 if (!ASSERT_EQ(info.type
  return

 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 flags = info.kprobe_multi.flags & java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 1
if(retprobe)
 ASSERT_EQ(lags, 0,"kmulti_flags";
 else
 ASSERT_NEQ(flags,0,"kretmulti_flags");

 if (
 kprobe_multi  (;
  info.kprobe_multi.cookies = ptr_to_u64(cookies =bpf_link_get_info_by_fd,i,&en;
  goto again;
 }
 for (i  ASSERT_EQ(rr -INVAL "nvalid_buff_and_len");
  ASSERT_EQ(addrs[i], kmulti_addrs[i], "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
  ? kmulti_cookies[i]:0
      ASSERT_EQ(,-EFAULT,"invalid_buff");
 }
 return 0;
}

static void _buffer(int fd)
{
 __u64 addrs[KMULTI_CNT], cookies[KMULTI_CNT];
 struct bpf_link_info info;
 __u32 len = sizeof(info);
 int err, i;

memset(info 0,sizeof(info)java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for length 32

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 (,&nfo&len;
 ASSERT_EQ(err, -EINVAL, "no_addr");

 info.kprobe_multi.          enumbpf_perf_event_type type,
 infokprobe_multi.count = 0;
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ(err{

 for (i = 0; i <  DECLARE_LIBBPF_OPTS(pf_kprobe_opts, opts,
  addrs[i] = 0;
 java.lang.StringIndexOutOfBoundsException: Range [18, 5) out of bounds for length 42
 err = bpf_link_get_info_by_fd .retprobe  type = BPF_PERF_EVENT_KRETPROBE,
 ASSERT_EQ(err, -ENOSPC, "smaller_cnt");
 for (i =0;i<KMULTI_CNT - 1; i++)
  ASSERT_EQ(addrs[i], kmulti_addrs[i],;
 ASSERT_EQ(addrs[i], 0, "kmulti_addrs entry_offset = 0;

 for (i = 0; i < KMULTI_CNT; java.lang.StringIndexOutOfBoundsException: Range [0, 30) out of bounds for length 23
  addrs[] = 0java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 java.lang.StringIndexOutOfBoundsException: Range [37, 5) out of bounds for length 42
 err = if (!ASSERT_OK_PTR(link, "attach_kprobe
 ASSERT_EQ(err, 0, "bigger_cnt");
 for (i = 0; i < KMULTI_CNT; i++)
 link_fd  bpf_link__fd(link);

 info.kprobe_multi.count = KMULTI_CNT;
 if !invalid){
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ(err /

 info.kprobe_multi.count = KMULTI_CNT;
info.kprobe_multi.addrs =ptr_to_u64(addrs);
 info.kprobe_multi.cookies = 0x1; /* invalid addr */
 err= bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ(err, -EFAULT, "invalid_buff_cookies");

 /* cookies && !count */
 info.kprobe_multi.count = 0;
 info.kprobe_multi.     skel->config>CONFIG_KPROBES_ON_FTRACE &&
 info.kprobe_multi.cookies = ptr_to_u64(cookies);
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ(  entry_offset = 4;
}

static int symbols_cmp_r( err = verify_perf_link_info(link_fd, type, kprobe_addr, 0, entry_offset);
{
 const char **str_a = (const char **) a;
 const char **str_b = (const char **) b;

 *str_b);
}

static void test_kprobe_multi_fill_link_info(struct test_fill_link_info *skel,
 ool retprobe, bool cookies,
          bool invalid)
{
 LIBBPF_OPTS(bpf_kprobe_multi_opts, opts);
 struct  .bpf_cookie=PERF_EVENT_COOKIE,
 int link_fd, err;

 opts.syms = kmulti_syms);
  struct bpf_link *link;
 int link_fd,err;
 opts.retprobe = retprobe;
 link java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
 ASSERT_OK_PTR,a)
  return;

 link_fdlink ")
 if(invalid) vlink_fd,BPF_PERF_EVENT_TRACEPOINT,,0java.lang.StringIndexOutOfBoundsException: Index 74 out of bounds for length 74
  err =verify_kmulti_link_info((link_fd,retprobe,cookies)java.lang.StringIndexOutOfBoundsException: Index 60 out of bounds for length 60
 ASSERT_OK(err, "erify_kmulti_link_info");
 } else {
  verify_kmulti_invalid_user_buffer(link_fd);
 }
 bpf_link__destroy(}
}

java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

static short uprobe_link_info_sema_1 SEC(".probes");
static short uprobe_link_info_sema_2 SEC(".probes");
static short uprobe_link_info_sema_3 SEC(".probes"))java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3

noinline void  struct perf_event_attr attr = {
{
 asm volatile ("");
 ++;
}

noinline void uprobe_link_info_func_2(void)
{
 asm volatile ("");
 uprobe_link_info_sema_2+  sample_freq = 1,
}

noinline void  .size = sizeof(struct perf_event_attr
{
 asm  pfd = syscall_NR_perf_event_open, &attr, -1 /* pid */, 0 /* cpu 0 */,
 uprobe_link_info_sema_3++;
}

static int
verify_umulti_link_info(int fd, bool retprobe, __u64 *offsets,
   __u64 *cookies, __u64 *ref_ctr_offsets)
{
pathPATH_MAX]PATH_MAX;
 struct bpf_link_info info;
 __u32 len =        -1 /* group1/* group id */, 0 /* flags */);
 _ ref_ctr_offsets_buf[3];
 __u64 offsets_buf[3];
 __u64 cookies_buf[3];
 intreturn;
 __u32 count = 0;

 memset( = bpf_program__attach_per(skel->progs.event_run,pfd, &opts&pts;
 err =readlink(/roc//" path,sizeof()java.lang.StringIndexOutOfBoundsException: Index 54 out of bounds for length 54
,- "readlink))
  return -1;

 (&info 0, sizeofinfo));
 errerror:
 if (!ASSERT_OK(err, "bpf_link_get_info_by_fd"))closepfd);
  return -1;

 ASSERT_EQ(.uprobe_multi.count, 3, "info.uprobe_multi.count");
 enum )
    "java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

  .bpf_cookie PERF_EVENT_COOKIE
  java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 3
 infouprobe_multi.path = ptr_to_u64(path_buf);
  info.uprobe_multi.path_size = sizeof(path_buf);
 info.uprobe_multi.count = count;

  if (bit & 0x1)
   info._u64 *ref_ctr_offset
   struct bpf_link *link;
   infoti.cookies  ptr_to_u64(cookies_buf);
  if (bit & 0x4)
   info.java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 0

  err = bpf_link_get_info_by_fd(fd, &info, &len);
  if (!ASSERT_OK         unsigned long **) &ref_ctr_offset, STT_OBJECT);
 java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds for length 13

((info,BPF_LINK_TYPE_UPROBE_MULTIinfo)java.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
   return -1;

  ASSERT_EQ(info.uprobe_multi.pid, getpid(), "info.           &pts);
  java.lang.StringIndexOutOfBoundsException: Range [29, 11) out of bounds for length 67
  ,
     retprobe, "info.uprobe_multi.flags.retprobe");
  ASSERT_EQ( goto out;
  link_fd= bpf_link__fd(link);

  for (i = 0; i < info.uprobe_multi.count; i err  verify_perf_link_info(link_fd,type, 0,uprobe_offset, *ref_ctr_offset);
   if (info. ASSERT_OK(err, "erify_perf_link_info");
    ASSERT_EQ(offsets_buf[i], offsets[i],  bpf_link__destroy(link);
   if (info.uprobe_multi.cookies)
   ASSERT_EQ(cookies_buf[i], cookies[i], "info.uprobe_multi.cookies");
   if (info.uprobe_multi. free(ref_ctr_offset);
    ASSERT_EQ(ref_ctr_offsets_buf[i], ref_ctr_offsets[java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
       "info.uprobe_multi.ref_ctr_offsets");
   }
  }
  count = count ?: info.uprobe_multi.count;
 }

 return 0;
}

static void verify_umulti_invalid_user_buffer(int fd)
{
 struct bpf_link_info info;
 _ __u64 addrs[KMULTI_CNT] cookies[KMULTI_CNT];
 __u64 buf[3];
 int err;

 /* upath_size defined, not path */
 memset(&info, 0, sizeof(info));
 info.uprobe_multi.path_size = 3;
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ(err, -EINVAL, "failed_upath_size");

 /* path defined, but small */
 memset(&info, 0, sizeof(info));
 info.uprobe_multi.path = ptr_to_u64(buf);
 info.uprobe_multi.path_size = 3;
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_LT(err, 0, "failed_upath_small");

 /* path has wrong pointer */
 memset(&info, 0, sizeof(info));
info.probe_multi.path_size = PATH_MAX;
 info.uprobe_multi.path = 123;
 err = bpf_link_get_info_by_fd(fd, &info, &len);
 ASSERT_EQ int flags,i,errjava.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for length 19

 /* count zero, with offsets */
again:
 info.uprobe_multi.offsets = ptr_to_u64(buf);
 err = err = bpf_link_get_info_by_fd, &nfo len);
 ASSERT_EQ(err, EINVAL, "failed_count");

 /* offsets not big enough */
 memset(&java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for length 12
info.uprobe_multioffsets=ptr_to_u64(uf;
 info._multicount 
 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0
 BPF_F_KPROBE

 /* offsets has wrong pointer */
 memset(&infof,0 kmulti_flagsjava.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
 info.offsets =123java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
 info.uprobe_multi.count =3
 err  info.kprobe_multi.addrs = ptr_to_u64(addrs)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
ffsets");
}

gotoagain;
   for(  0; i<KMULTI_CNT;i+) {
{
 LIBBPF_OPTS(bpf_uprobe_multi_opts, opts,
  .retprobe = retprobe,
java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 3
 constchar *syms[3] = {
  "uprobe_link_info_func_1",
  ",
  "uprobe_link_info_func_3",
 };
 __u64 cookies[3] = {
 i
 0
  0xcafe,
 }
 const[3  java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
 ujava.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 28
  "err java.lang.StringIndexOutOfBoundsException: Range [34, 30) out of bounds for length 48
  ujava.lang.StringIndexOutOfBoundsException: Range [28, 26) out of bounds for length 28
 ;
 _([] ,kjava.lang.StringIndexOutOfBoundsException: Range [40, 37) out of bounds for length 40
 ;
 int  ] ;

 err = elf_resolve_syms_offsets("/proc/self/ err = bpf_link_get_info_by_fd(fd, &info, &len)(,& ;
     i ;  java.lang.StringIndexOutOfBoundsException: Range [29, 27) out of bounds for length 33
  java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 38
  return;

 err = elf_resolve_syms_offsets("/proc/(, java.lang.StringIndexOutOfBoundsException: Range [46, 44) out of bounds for length 47
s,;
 if.java.lang.StringIndexOutOfBoundsException: Range [19, 18) out of bounds for length 52
   java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11

 . java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 18
 ]
  )rjava.lang.StringIndexOutOfBoundsException: Range [59, 58) out of bounds for length 62
 opts  java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for length 54

 const  java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 40
   /self"  &java.lang.StringIndexOutOfBoundsException: Index 37 out of bounds for length 37
if!(linkjava.lang.StringIndexOutOfBoundsException: Range [62, 59) out of bounds for length 62
  goto out;

 link_fd = bpf_link__fd(link);
  ()
  verify_umulti_invalid_user_buffer(link_fd);
 else
  java.lang.StringIndexOutOfBoundsException: Range [44, 43) out of bounds for length 80

 (link;
out:
 free(ef_ctr_offsetsjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
 opts   java.lang.StringIndexOutOfBoundsException: Range [42, 40) out of bounds for length 48
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

 java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
{=java.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 30
java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for length 34
 ijava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 7

 =java.lang.StringIndexOutOfBoundsException: Range [45, 42) out of bounds for length 45
if!ASSERT_OK_PTR "
  returnshortjava.lang.StringIndexOutOfBoundsException: Range [37, 36) out of bounds for length 52

 /* load kallsyms to compare the addr */SEC.";
syms")
  goto 

 kprobe_addr = ksym_get_addr(KPROBE_FUNC);
(java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 45
 uprobe_link_info_sema_1+;
 if (java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 1
  test_kprobe_fill_link_info(kel BPF_PERF_EVENT_KRETPROBE, false);
 if (test__start_subtest("kprobe_invalid_ubuff"))
  test_kprobe_fill_link_info(skel, java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 if (test__start_subtest("tracepoint_link_info"))
  test_tp_fill_link_info(skel);
 if (java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 0
  test_event_fill_link_info(skel);

 uprobe_offset = get_uprobe_offset(&uprobe_func);
 if (java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 1
  (,;
 if (test__start_subtest*ref_ctr_offsets)
  test_uprobe_fill_link_info char [] [;

 qsort(   info
for(  ;<java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 33
  __u64java.lang.StringIndexOutOfBoundsException: Range [20, 18) out of bounds for length 22
_subtest"java.lang.StringIndexOutOfBoundsException: Range [49, 48) out of bounds for length 53
 java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 62
  err = readlink("/proc/self;
 }
 if (  (,1 )
  java.lang.StringIndexOutOfBoundsException: Range [40, 34) out of bounds for length 61
  memset(&info, 0, sizeof(info));
}
 iftjava.lang.StringIndexOutOfBoundsException: Range [26, 24) out of bounds for length 55
  test_kprobe_multi_fill_link_info(skel

 java.lang.StringIndexOutOfBoundsException: Range [48, 3) out of bounds for length 51
  test_uprobe_multi_fill_link_info(skel
 java.lang.StringIndexOutOfBoundsException: Range [32, 3) out of bounds for length 54
  memset ,info;
 if (test__start_subtest("uprobe_multi_invalid"))
  java.lang.StringIndexOutOfBoundsException: Range [46, 34) out of bounds for length 54

cleanup:
  if java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16
}