// https://syzkaller.appspot.com/bug?id=5fb5b4dc16f711b2b5660e71c454d9015f9da58d // 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)) { } // mkdirat arguments: [ // fd: fd_dir (resource) // path: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // mode: open_mode = 0x1c0 (8 bytes) // ] memcpy((void*)0x200000000040, "./file0\000", 8); syscall(__NR_mkdirat, /*fd=*/0xffffff9c, /*path=*/0x200000000040ul, /*mode=S_IXUSR|S_IWUSR|S_IRUSR*/ 0x1c0ul); // mount$incfs arguments: [ // src: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // dst: ptr[in, buffer] { // buffer: {2e 2f 66 69 6c 65 30 00} (length 0x8) // } // type: ptr[in, buffer] { // buffer: {69 6e 63 72 65 6d 65 6e 74 61 6c 2d 66 73 00} (length 0xf) // } // flags: mount_flags = 0x14000 (8 bytes) // opts: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {72 6c 6f 67 5f 70 61 67 65 73 3d 31 38 32 39 36 // 38 32 34 33 32 2c 00} (length 0x17) // } // } // } // ] memcpy((void*)0x2000000000c0, "./file0\000", 8); memcpy((void*)0x200000000100, "./file0\000", 8); memcpy((void*)0x200000000140, "incremental-fs\000", 15); memcpy((void*)0x200000000280, "rlog_pages=1829682432,\000", 23); syscall(__NR_mount, /*src=*/0x2000000000c0ul, /*dst=*/0x200000000100ul, /*type=*/0x200000000140ul, /*flags=MS_POSIXACL|MS_REC*/ 0x14000ul, /*opts=*/0x200000000280ul); return 0; }