// https://syzkaller.appspot.com/bug?id=3e84c81a90b34617fdb6ba3f418a16d4ffa2f8aa
// 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>
#ifndef __NR_bpf
#define __NR_bpf 321
#endif
#define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off))
#define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \
*(type*)(addr) = \
htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \
(((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len))))
uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff};
int main(void)
{
syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul,
/*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
/*fd=*/(intptr_t)-1, /*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul,
/*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul,
/*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
/*fd=*/(intptr_t)-1, /*offset=*/0ul);
syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul,
/*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul,
/*fd=*/(intptr_t)-1, /*offset=*/0ul);
const char* reason;
(void)reason;
intptr_t res = 0;
if (write(1, "executing program\n", sizeof("executing program\n") - 1)) {
}
*(uint32_t*)0x200000000200 = 1;
*(uint32_t*)0x200000000204 = 5;
*(uint32_t*)0x200000000208 = 0x29fd;
*(uint32_t*)0x20000000020c = 0x84;
*(uint32_t*)0x200000000210 = 0x105;
*(uint32_t*)0x200000000214 = -1;
*(uint32_t*)0x200000000218 = 0;
memset((void*)0x20000000021c, 0, 16);
*(uint32_t*)0x20000000022c = 0;
*(uint32_t*)0x200000000230 = -1;
*(uint32_t*)0x200000000234 = 0;
*(uint32_t*)0x200000000238 = 0;
*(uint32_t*)0x20000000023c = 0;
*(uint64_t*)0x200000000240 = 0;
*(uint32_t*)0x200000000248 = 0;
*(uint32_t*)0x20000000024c = 0;
res =
syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x200000000200ul, /*size=*/0x48ul);
if (res != -1)
r[0] = res;
*(uint32_t*)0x200000000180 = 0x11;
*(uint32_t*)0x200000000184 = 0xc;
*(uint64_t*)0x200000000188 = 0x200000000440;
*(uint8_t*)0x200000000440 = 0x18;
STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000441, 0, 4, 4);
*(uint16_t*)0x200000000442 = 0;
*(uint32_t*)0x200000000444 = 0;
*(uint8_t*)0x200000000448 = 0;
*(uint8_t*)0x200000000449 = 0;
*(uint16_t*)0x20000000044a = 0;
*(uint32_t*)0x20000000044c = 0;
*(uint8_t*)0x200000000450 = 0x18;
STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000451, 1, 4, 4);
*(uint16_t*)0x200000000452 = 0;
*(uint32_t*)0x200000000454 = r[0];
*(uint8_t*)0x200000000458 = 0;
*(uint8_t*)0x200000000459 = 0;
*(uint16_t*)0x20000000045a = 0;
*(uint32_t*)0x20000000045c = 0;
STORE_BY_BITMASK(uint8_t, , 0x200000000460, 7, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0, 3, 1);
STORE_BY_BITMASK(uint8_t, , 0x200000000460, 0xb, 4, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000461, 8, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000461, 0, 4, 4);
*(uint16_t*)0x200000000462 = 0;
*(uint32_t*)0x200000000464 = 0xfffffffe;
STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 3, 2);
STORE_BY_BITMASK(uint8_t, , 0x200000000468, 3, 5, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000469, 0xa, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000469, 8, 4, 4);
*(uint16_t*)0x20000000046a = 0xfff8;
*(uint32_t*)0x20000000046c = 0;
STORE_BY_BITMASK(uint8_t, , 0x200000000470, 7, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000470, 1, 3, 1);
STORE_BY_BITMASK(uint8_t, , 0x200000000470, 0xb, 4, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000471, 2, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000471, 0xa, 4, 4);
*(uint16_t*)0x200000000472 = 0;
*(uint32_t*)0x200000000474 = 0;
STORE_BY_BITMASK(uint8_t, , 0x200000000478, 7, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 3, 1);
STORE_BY_BITMASK(uint8_t, , 0x200000000478, 0, 4, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000479, 2, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000479, 0, 4, 4);
*(uint16_t*)0x20000000047a = 0;
*(uint32_t*)0x20000000047c = 0xfffffff8;
STORE_BY_BITMASK(uint8_t, , 0x200000000480, 7, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0, 3, 1);
STORE_BY_BITMASK(uint8_t, , 0x200000000480, 0xb, 4, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000481, 3, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000481, 0, 4, 4);
*(uint16_t*)0x200000000482 = 0;
*(uint32_t*)0x200000000484 = 8;
STORE_BY_BITMASK(uint8_t, , 0x200000000488, 7, 0, 3);
STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0, 3, 1);
STORE_BY_BITMASK(uint8_t, , 0x200000000488, 0xb, 4, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000489, 4, 0, 4);
STORE_BY_BITMASK(uint8_t, , 0x200000000489, 0, 4, 4);
*(uint16_t*)0x20000000048a = 0;
*(uint32_t*)0x20000000048c = 1;
*(uint8_t*)0x200000000490 = 0x85;
*(uint8_t*)0x200000000491 = 0;
*(uint16_t*)0x200000000492 = 0;
*(uint32_t*)0x200000000494 = 3;
*(uint8_t*)0x200000000498 = 0x95;
*(uint8_t*)0x200000000499 = 0;
*(uint16_t*)0x20000000049a = 0;
*(uint32_t*)0x20000000049c = 0;
*(uint64_t*)0x200000000190 = 0;
*(uint32_t*)0x200000000198 = 0;
*(uint32_t*)0x20000000019c = 0;
*(uint64_t*)0x2000000001a0 = 0;
*(uint32_t*)0x2000000001a8 = 0;
*(uint32_t*)0x2000000001ac = 0;
memset((void*)0x2000000001b0, 0, 16);
*(uint32_t*)0x2000000001c0 = 0;
*(uint32_t*)0x2000000001c4 = 0;
*(uint32_t*)0x2000000001c8 = -1;
*(uint32_t*)0x2000000001cc = 0;
*(uint64_t*)0x2000000001d0 = 0;
*(uint32_t*)0x2000000001d8 = 0;
*(uint32_t*)0x2000000001dc = 0;
*(uint64_t*)0x2000000001e0 = 0;
*(uint32_t*)0x2000000001e8 = 0;
*(uint32_t*)0x2000000001ec = 0;
*(uint32_t*)0x2000000001f0 = 0;
*(uint32_t*)0x2000000001f4 = 0;
*(uint64_t*)0x2000000001f8 = 0;
*(uint64_t*)0x200000000200 = 0;
*(uint32_t*)0x200000000208 = 0;
*(uint32_t*)0x20000000020c = 0;
*(uint32_t*)0x200000000210 = 0;
syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000180ul, /*size=*/0x94ul);
*(uint32_t*)0x2000000005c0 = 0x18;
*(uint32_t*)0x2000000005c4 = 0xc;
*(uint64_t*)0x2000000005c8 = 0x200000000440;
*(uint64_t*)0x2000000005d0 = 0x200000000240;
memcpy((void*)0x200000000240, "GPL\000", 4);
*(uint32_t*)0x2000000005d8 = 0;
*(uint32_t*)0x2000000005dc = 0;
*(uint64_t*)0x2000000005e0 = 0;
*(uint32_t*)0x2000000005e8 = 0;
*(uint32_t*)0x2000000005ec = 0;
memset((void*)0x2000000005f0, 0, 16);
*(uint32_t*)0x200000000600 = 0;
*(uint32_t*)0x200000000604 = 0x12;
*(uint32_t*)0x200000000608 = -1;
*(uint32_t*)0x20000000060c = 0;
*(uint64_t*)0x200000000610 = 0;
*(uint32_t*)0x200000000618 = 0;
*(uint32_t*)0x20000000061c = 0;
*(uint64_t*)0x200000000620 = 0;
*(uint32_t*)0x200000000628 = 0;
*(uint32_t*)0x20000000062c = 0;
*(uint32_t*)0x200000000630 = 0;
*(uint32_t*)0x200000000634 = 0;
*(uint64_t*)0x200000000638 = 0;
*(uint64_t*)0x200000000640 = 0;
*(uint32_t*)0x200000000648 = 0;
*(uint32_t*)0x20000000064c = 0;
*(uint32_t*)0x200000000650 = 0;
res =
syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000005c0ul, /*size=*/0x94ul);
if (res != -1)
r[1] = res;
*(uint64_t*)0x200000000140 = 0x200000000040;
memcpy((void*)0x200000000040, "mm_page_alloc\000", 14);
*(uint32_t*)0x200000000148 = r[1];
*(uint32_t*)0x20000000014c = 0;
*(uint64_t*)0x200000000150 = 0;
syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000140ul, /*size=*/0x10ul);
*(uint64_t*)0x200000000300 = -1;
*(uint64_t*)0x200000000308 = 0;
*(uint64_t*)0x200000000310 = 0x2000000000c0;
*(uint64_t*)0x200000000318 = 0x200000000240;
*(uint32_t*)0x200000000320 = 0x800;
*(uint32_t*)0x200000000324 = r[0];
*(uint64_t*)0x200000000328 = 0;
*(uint64_t*)0x200000000330 = 0;
syscall(__NR_bpf, /*cmd=*/0x1aul, /*arg=*/0x200000000300ul, /*size=*/0x38ul);
return 0;
}