// https://syzkaller.appspot.com/bug?id=093e11f4d3012f5c5b1459a8111cfd39967e2db7 // 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); intptr_t res = 0; memcpy((void*)0x20000240, "./bus\000", 6); res = syscall(__NR_open, /*file=*/0x20000240ul, /*flags=O_TRUNC|O_SYNC|O_NOATIME|O_EXCL|O_CREAT|0x3c*/ 0x1412fcul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall( __NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x600000ul, /*prot=*/0ul, /*flags=MAP_UNINITIALIZED|MAP_LOCKED|MAP_FIXED|MAP_SHARED*/ 0x4002011ul, /*fd=*/r[0], /*offset=*/0ul); syscall(__NR_madvise, /*addr=*/0x20000000ul, /*len=*/0x600722ul, /*advice=MADV_COLLAPSE*/ 0x19ul); return 0; }