// https://syzkaller.appspot.com/bug?id=2881ec8158ae06cc177a60a239a2d4e32b3b39bd // 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, "/dev/sequencer\000", 15); syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000240ul, /*flags=O_APPEND|O_RDWR*/ 0x402ul, /*mode=*/0ul); memcpy((void*)0x200002c0, "/dev/audio\000", 11); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x200002c0ul, /*flags=*/0ul, /*mode=*/0ul); if (res != -1) r[0] = res; syscall(__NR_read, /*fd=*/r[0], /*data=*/0x20000140ul, /*len=*/0xdaul); return 0; }