// https://syzkaller.appspot.com/bug?id=165b73d6ee16cd23934eef14763ee803a8374858 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_dup #define __NR_dup 23 #endif #ifndef __NR_inotify_init1 #define __NR_inotify_init1 26 #endif #ifndef __NR_ioctl #define __NR_ioctl 29 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif uint64_t r[2] = {0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-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=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } // inotify_init1 arguments: [ // flags: inotify_flags = 0x0 (8 bytes) // ] // returns fd_inotify res = syscall(__NR_inotify_init1, /*flags=*/0ul); if (res != -1) r[0] = res; // dup arguments: [ // oldfd: fd (resource) // ] // returns fd res = syscall(__NR_dup, /*oldfd=*/r[0]); if (res != -1) r[1] = res; // ioctl$sock_inet_udp_SIOCINQ arguments: [ // fd: sock_udp (resource) // cmd: const = 0x541b (4 bytes) // arg: nil // ] syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x541b, /*arg=*/0ul); return 0; }