syzkaller-repros/linux/5a978b949b172f67a927db696a70b6ac84088ce2.c

// BUG: sleeping function called from invalid context at mm/slab.h:LINE (4)
// https://syzkaller.appspot.com/bug?id=5a978b949b172f67a927db696a70b6ac84088ce2
// status:fixed
// autogenerated by syzkaller (https://github.com/google/syzkaller)

#define _GNU_SOURCE

#include <endian.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/syscall.h>
#include <sys/types.h>
#include <unistd.h>

uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};

int main(void)
{
  syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0);
  long res = 0;
  res = syscall(__NR_socket, 0x26, 5, 0);
  if (res != -1)
    r[0] = res;
  *(uint16_t*)0x20000740 = 0x26;
  memcpy((void*)0x20000742,
         "\x73\x6b\x63\x69\x70\x68\x65\x72\x00\x00\x00\x00\x00\x00", 14);
  *(uint32_t*)0x20000750 = 0;
  *(uint32_t*)0x20000754 = 0;
  memcpy((void*)0x20000758,
         "\x63\x68\x61\x63\x68\x61\x32\x30\x2d\x73\x69\x6d\x64\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
         "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",
         64);
  syscall(__NR_bind, r[0], 0x20000740, 0x58);
  memcpy((void*)0x20000080, "\xb7\xf2\x28\x8a\x91\x19\x93\xf0\x26\x5d\xf5\xcf"
                            "\x1c\xdd\x8b\x55\xb0\x62\x95\x0b\x86\xbc\x01\xab"
                            "\xc8\x46\x4d\x4f\x8a\x90\x61\x51",
         32);
  syscall(__NR_setsockopt, r[0], 0x117, 1, 0x20000080, 0x20);
  res = syscall(__NR_accept, r[0], 0, 0);
  if (res != -1)
    r[1] = res;
  memcpy((void*)0x200003c0, "#! ", 3);
  memcpy((void*)0x200003c3, "./file0", 7);
  *(uint8_t*)0x200003ca = 0xa;
  memcpy((void*)0x200003cb,
         "\x62\xfc\x15\xbb\xb6\x9c\x31\x93\xb6\xda\x50\xda\x27\x00\x3b\x38\x7e"
         "\xd4\xba\xc1\x56\xe2\x84\x6e\x7d\x20\xd4\x3b\xf0\x74\xa1\x9f\x62\xf0"
         "\x28\x47\x5b\x5b\xc8\xec\x8b\xb0\x9e\xe7\x7e\x02\x4f\xf6\xa7\x47\xf2"
         "\x0a\xfc\x81\x11\xf4\x85\x12\x16\x38\x3b\xe5\x12\x43\xd3\xd7\xc1\x0f"
         "\xd3\x6f\xcf\xe6\x2c\x2f\xb9\x89\x58\x9b\x85\x2f\x9d\x23\x6b\x72\xb1"
         "\x72\x2a\xaa\xb9\x95\x44\x30\x03\x70\xaa\x74\x6c\xac\x2d\xfb\xf7\xc9"
         "\xc2\x04\xae\xc6\xeb\x8f\xcc\x9a\xc5\x8a\x0d\xe5\x89\x44\x8f\xe9",
         118);
  syscall(__NR_write, r[1], 0x200003c0, 0x81);
  *(uint64_t*)0x2000a280 = 0;
  *(uint32_t*)0x2000a288 = 0;
  *(uint64_t*)0x2000a290 = 0x20002200;
  *(uint64_t*)0x20002200 = 0x20001e40;
  *(uint64_t*)0x20002208 = 0xd;
  *(uint64_t*)0x20002210 = 0x20002100;
  *(uint64_t*)0x20002218 = 0xd1;
  *(uint64_t*)0x2000a298 = 2;
  *(uint64_t*)0x2000a2a0 = 0;
  *(uint64_t*)0x2000a2a8 = 0;
  *(uint32_t*)0x2000a2b0 = 0;
  *(uint32_t*)0x2000a2b8 = 0;
  syscall(__NR_recvmmsg, r[1], 0x2000a280, 1, 0, 0);
  return 0;
}