// https://syzkaller.appspot.com/bug?id=8e030beda49b8e549cfeb17ed369414ed27331e6 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } syscall(__NR_mmap, /*addr=*/0ul, /*len=*/0x2020009ul, /*prot=*/3ul, /*flags=*/0xeb1ul, /*fd=*/0xfffffffa, /*off=*/0x8000ul); syscall(__NR_madvise, /*start=*/0ul, /*len_in=*/3ul, /*behavior=*/0x15); memcpy((void*)0x20000080, "/proc/self/maps\000", 16); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000080ul, /*flags=O_TRUNC*/ 0x200, /*mode=*/0); if (res != -1) r[0] = res; *(uint64_t*)0x20000180 = 0x81; *(uint64_t*)0x20000188 = 0x3b; *(uint64_t*)0x20000190 = 3; *(uint64_t*)0x20000198 = 5; *(uint64_t*)0x200001a0 = 0x718; *(uint64_t*)0x200001a8 = 0x7fff; *(uint64_t*)0x200001b0 = 0x7d8; *(uint64_t*)0x200001b8 = 6; *(uint64_t*)0x200001c0 = 0xb; *(uint32_t*)0x200001c8 = 0xbfaf; *(uint32_t*)0x200001cc = 0; *(uint32_t*)0x200001d0 = 4; *(uint32_t*)0x200001d4 = 0xa7ac; *(uint64_t*)0x200001d8 = 2; *(uint64_t*)0x200001e0 = 2; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0xc0686611, /*arg=*/0x20000180ul); return 0; }