// https://syzkaller.appspot.com/bug?id=855d88d8bd9e2566cedfb01b8d926662c9347516 // 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*)0x20000140, "/dev/audio\000", 11); res = syscall( __NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000140ul, /*flags=O_TRUNC|O_NOATIME|O_WRONLY|0x40000000000000*/ 0x40000000040201ul, /*mode=*/0ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000500 = 0; *(uint16_t*)0x20000504 = 0x18; *(uint16_t*)0x20000506 = 0xfa00; *(uint64_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0; *(uint16_t*)0x20000518 = 0; *(uint8_t*)0x2000051a = 0; memset((void*)0x2000051b, 0, 5); syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000500ul, /*len=*/0x20ul); memcpy((void*)0x20000000, "/dev/sequencer2\000", 16); syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000000ul, /*flags=O_RDWR*/ 2ul, /*mode=*/0ul); return 0; }