// https://syzkaller.appspot.com/bug?id=4547a1192eba5c34c6ba7adc5feb82670bec549a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include 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; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // mmap arguments: [ // addr: VMA[0xb36000] // len: len = 0xb36000 (8 bytes) // prot: mmap_prot = 0xb635773f06ebbeee (8 bytes) // flags: mmap_flags = 0x8031 (8 bytes) // fd: fd (resource) // offset: intptr = 0x0 (8 bytes) // ] syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0xb36000ul, /*prot=PROT_GROWSUP|PROT_SEM|PROT_WRITE|PROT_EXEC|0xb635773f04ebbee0*/ 0xb635773f06ebbeeeul, /*flags=MAP_POPULATE|MAP_FIXED|MAP_ANONYMOUS|MAP_SHARED*/ 0x8031ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); // madvise arguments: [ // addr: VMA[0x600000] // len: len = 0x600003 (8 bytes) // advice: madvise_flags = 0x19 (8 bytes) // ] syscall(__NR_madvise, /*addr=*/0x200000000000ul, /*len=*/0x600003ul, /*advice=MADV_COLLAPSE*/ 0x19ul); return 0; }