// https://syzkaller.appspot.com/bug?id=b13a975b151d0581d66bdd367e8065a0c7f42b13 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_bpf #define __NR_bpf 321 #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=*/-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); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x20000040, "/dev/uinput\000", 12); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000040ul, /*flags=O_RDWR_NONBLOCK*/ 0x802ul, /*mode=*/0ul); if (res != -1) r[0] = res; *(uint16_t*)0x20000340 = 0x2f; *(uint32_t*)0x20000344 = 0; *(uint32_t*)0x20000348 = 0; *(uint32_t*)0x2000034c = 0; *(uint32_t*)0x20000350 = 0; *(uint32_t*)0x20000354 = 0; *(uint32_t*)0x20000358 = 0; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x401c5504, /*arg=*/0x20000340ul); memcpy((void*)0x20000800, "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000", 80); *(uint16_t*)0x20000850 = 0; *(uint16_t*)0x20000852 = 0; *(uint16_t*)0x20000854 = 0; *(uint16_t*)0x20000856 = 0; *(uint32_t*)0x20000858 = 0; *(uint32_t*)0x2000085c = 0; *(uint32_t*)0x20000860 = 0; *(uint32_t*)0x20000864 = 0; *(uint32_t*)0x20000868 = 0; *(uint32_t*)0x2000086c = 0; *(uint32_t*)0x20000870 = 0; *(uint32_t*)0x20000874 = 0; *(uint32_t*)0x20000878 = 0; *(uint32_t*)0x2000087c = 0; *(uint32_t*)0x20000880 = 0; *(uint32_t*)0x20000884 = 0; *(uint32_t*)0x20000888 = 0; *(uint32_t*)0x2000088c = 0; *(uint32_t*)0x20000890 = 0; *(uint32_t*)0x20000894 = 0; *(uint32_t*)0x20000898 = 0; *(uint32_t*)0x2000089c = 0; *(uint32_t*)0x200008a0 = 0; *(uint32_t*)0x200008a4 = 0; *(uint32_t*)0x200008a8 = 0; *(uint32_t*)0x200008ac = 0; *(uint32_t*)0x200008b0 = 0; *(uint32_t*)0x200008b4 = 0; *(uint32_t*)0x200008b8 = 0; *(uint32_t*)0x200008bc = 0; *(uint32_t*)0x200008c0 = 0; *(uint32_t*)0x200008c4 = 0; *(uint32_t*)0x200008c8 = 0; *(uint32_t*)0x200008cc = 0; *(uint32_t*)0x200008d0 = 0; *(uint32_t*)0x200008d4 = 0; *(uint32_t*)0x200008d8 = 0; *(uint32_t*)0x200008dc = 0; *(uint32_t*)0x200008e0 = 0; *(uint32_t*)0x200008e4 = 0; *(uint32_t*)0x200008e8 = 0; *(uint32_t*)0x200008ec = 0; *(uint32_t*)0x200008f0 = 0; *(uint32_t*)0x200008f4 = 0; *(uint32_t*)0x200008f8 = 0; *(uint32_t*)0x200008fc = 0; *(uint32_t*)0x20000900 = 0; *(uint32_t*)0x20000904 = 0; *(uint32_t*)0x20000908 = 0; *(uint32_t*)0x2000090c = 0; *(uint32_t*)0x20000910 = 0; *(uint32_t*)0x20000914 = 0; *(uint32_t*)0x20000918 = 0x80000001; *(uint32_t*)0x2000091c = 0; *(uint32_t*)0x20000920 = 0; *(uint32_t*)0x20000924 = 0; *(uint32_t*)0x20000928 = 0; *(uint32_t*)0x2000092c = 0; *(uint32_t*)0x20000930 = 0; *(uint32_t*)0x20000934 = 0; *(uint32_t*)0x20000938 = 0; *(uint32_t*)0x2000093c = 0; *(uint32_t*)0x20000940 = 0; *(uint32_t*)0x20000944 = 0; *(uint32_t*)0x20000948 = 0; *(uint32_t*)0x2000094c = 0; *(uint32_t*)0x20000950 = 0; *(uint32_t*)0x20000954 = 0; *(uint32_t*)0x20000958 = 0; *(uint32_t*)0x2000095c = 0; *(uint32_t*)0x20000960 = 0; *(uint32_t*)0x20000964 = 0; *(uint32_t*)0x20000968 = 0; *(uint32_t*)0x2000096c = 0; *(uint32_t*)0x20000970 = 0; *(uint32_t*)0x20000974 = 0; *(uint32_t*)0x20000978 = 0; *(uint32_t*)0x2000097c = 0; *(uint32_t*)0x20000980 = 0; *(uint32_t*)0x20000984 = 0; *(uint32_t*)0x20000988 = 0; *(uint32_t*)0x2000098c = 0; *(uint32_t*)0x20000990 = 0; *(uint32_t*)0x20000994 = 0; *(uint32_t*)0x20000998 = 0; *(uint32_t*)0x2000099c = 0; *(uint32_t*)0x200009a0 = 0; *(uint32_t*)0x200009a4 = 0; *(uint32_t*)0x200009a8 = 0; *(uint32_t*)0x200009ac = 0; *(uint32_t*)0x200009b0 = 0; *(uint32_t*)0x200009b4 = 0; *(uint32_t*)0x200009b8 = 0; *(uint32_t*)0x200009bc = 0; *(uint32_t*)0x200009c0 = 0; *(uint32_t*)0x200009c4 = 0; *(uint32_t*)0x200009c8 = 0; *(uint32_t*)0x200009cc = 0; *(uint32_t*)0x200009d0 = 0; *(uint32_t*)0x200009d4 = 0; *(uint32_t*)0x200009d8 = 0; *(uint32_t*)0x200009dc = 0; *(uint32_t*)0x200009e0 = 0; *(uint32_t*)0x200009e4 = 0; *(uint32_t*)0x200009e8 = 0; *(uint32_t*)0x200009ec = 0; *(uint32_t*)0x200009f0 = 0; *(uint32_t*)0x200009f4 = 0; *(uint32_t*)0x200009f8 = 0; *(uint32_t*)0x200009fc = 0; *(uint32_t*)0x20000a00 = 0; *(uint32_t*)0x20000a04 = 0; *(uint32_t*)0x20000a08 = 0; *(uint32_t*)0x20000a0c = 0; *(uint32_t*)0x20000a10 = 0; *(uint32_t*)0x20000a14 = 0; *(uint32_t*)0x20000a18 = 0; *(uint32_t*)0x20000a1c = 0; *(uint32_t*)0x20000a20 = 0; *(uint32_t*)0x20000a24 = 0; *(uint32_t*)0x20000a28 = 0; *(uint32_t*)0x20000a2c = 0; *(uint32_t*)0x20000a30 = 0; *(uint32_t*)0x20000a34 = 0; *(uint32_t*)0x20000a38 = 0; *(uint32_t*)0x20000a3c = 0; *(uint32_t*)0x20000a40 = 0; *(uint32_t*)0x20000a44 = 0; *(uint32_t*)0x20000a48 = 0; *(uint32_t*)0x20000a4c = 0; *(uint32_t*)0x20000a50 = 0; *(uint32_t*)0x20000a54 = 0; *(uint32_t*)0x20000a58 = 0; *(uint32_t*)0x20000a5c = 0; *(uint32_t*)0x20000a60 = 0; *(uint32_t*)0x20000a64 = 0; *(uint32_t*)0x20000a68 = 0; *(uint32_t*)0x20000a6c = 0; *(uint32_t*)0x20000a70 = 0; *(uint32_t*)0x20000a74 = 0; *(uint32_t*)0x20000a78 = 0; *(uint32_t*)0x20000a7c = 0; *(uint32_t*)0x20000a80 = 0; *(uint32_t*)0x20000a84 = 0; *(uint32_t*)0x20000a88 = 0; *(uint32_t*)0x20000a8c = 0; *(uint32_t*)0x20000a90 = 0; *(uint32_t*)0x20000a94 = 0; *(uint32_t*)0x20000a98 = 0; *(uint32_t*)0x20000a9c = 0; *(uint32_t*)0x20000aa0 = 0; *(uint32_t*)0x20000aa4 = 0; *(uint32_t*)0x20000aa8 = 0; *(uint32_t*)0x20000aac = 0; *(uint32_t*)0x20000ab0 = 0; *(uint32_t*)0x20000ab4 = 0; *(uint32_t*)0x20000ab8 = 0; *(uint32_t*)0x20000abc = 0; *(uint32_t*)0x20000ac0 = 0; *(uint32_t*)0x20000ac4 = 0; *(uint32_t*)0x20000ac8 = 0; *(uint32_t*)0x20000acc = 0; *(uint32_t*)0x20000ad0 = 0; *(uint32_t*)0x20000ad4 = 0; *(uint32_t*)0x20000ad8 = 0; *(uint32_t*)0x20000adc = 0; *(uint32_t*)0x20000ae0 = 0; *(uint32_t*)0x20000ae4 = 0; *(uint32_t*)0x20000ae8 = 0; *(uint32_t*)0x20000aec = 0; *(uint32_t*)0x20000af0 = 0; *(uint32_t*)0x20000af4 = 0; *(uint32_t*)0x20000af8 = 0; *(uint32_t*)0x20000afc = 0; *(uint32_t*)0x20000b00 = 0; *(uint32_t*)0x20000b04 = 0; *(uint32_t*)0x20000b08 = 0; *(uint32_t*)0x20000b0c = 0; *(uint32_t*)0x20000b10 = 0; *(uint32_t*)0x20000b14 = 0; *(uint32_t*)0x20000b18 = 0; *(uint32_t*)0x20000b1c = 0; *(uint32_t*)0x20000b20 = 0; *(uint32_t*)0x20000b24 = 0; *(uint32_t*)0x20000b28 = 0; *(uint32_t*)0x20000b2c = 0; *(uint32_t*)0x20000b30 = 0; *(uint32_t*)0x20000b34 = 0; *(uint32_t*)0x20000b38 = 0; *(uint32_t*)0x20000b3c = 0; *(uint32_t*)0x20000b40 = 0; *(uint32_t*)0x20000b44 = 0; *(uint32_t*)0x20000b48 = 0; *(uint32_t*)0x20000b4c = 0; *(uint32_t*)0x20000b50 = 0; *(uint32_t*)0x20000b54 = 0; *(uint32_t*)0x20000b58 = 0; *(uint32_t*)0x20000b5c = 0; *(uint32_t*)0x20000b60 = 0; *(uint32_t*)0x20000b64 = 0; *(uint32_t*)0x20000b68 = 0; *(uint32_t*)0x20000b6c = 0; *(uint32_t*)0x20000b70 = 0; *(uint32_t*)0x20000b74 = 0; *(uint32_t*)0x20000b78 = 0; *(uint32_t*)0x20000b7c = 0; *(uint32_t*)0x20000b80 = 0; *(uint32_t*)0x20000b84 = 0; *(uint32_t*)0x20000b88 = 0; *(uint32_t*)0x20000b8c = 0; *(uint32_t*)0x20000b90 = 0; *(uint32_t*)0x20000b94 = 0; *(uint32_t*)0x20000b98 = 0; *(uint32_t*)0x20000b9c = 0; *(uint32_t*)0x20000ba0 = 0; *(uint32_t*)0x20000ba4 = 0; *(uint32_t*)0x20000ba8 = 0; *(uint32_t*)0x20000bac = 0; *(uint32_t*)0x20000bb0 = 0; *(uint32_t*)0x20000bb4 = 0; *(uint32_t*)0x20000bb8 = 0; *(uint32_t*)0x20000bbc = 0; *(uint32_t*)0x20000bc0 = 0; *(uint32_t*)0x20000bc4 = 0; *(uint32_t*)0x20000bc8 = 0; *(uint32_t*)0x20000bcc = 0; *(uint32_t*)0x20000bd0 = 0; *(uint32_t*)0x20000bd4 = 0; *(uint32_t*)0x20000bd8 = 0; *(uint32_t*)0x20000bdc = 0; *(uint32_t*)0x20000be0 = 0; *(uint32_t*)0x20000be4 = 0; *(uint32_t*)0x20000be8 = 0; *(uint32_t*)0x20000bec = 0; *(uint32_t*)0x20000bf0 = 0; *(uint32_t*)0x20000bf4 = 0; *(uint32_t*)0x20000bf8 = 0; *(uint32_t*)0x20000bfc = 0; *(uint32_t*)0x20000c00 = 0; *(uint32_t*)0x20000c04 = 0; *(uint32_t*)0x20000c08 = 0; *(uint32_t*)0x20000c0c = 0; *(uint32_t*)0x20000c10 = 0; *(uint32_t*)0x20000c14 = 0; *(uint32_t*)0x20000c18 = 0; *(uint32_t*)0x20000c1c = 0; *(uint32_t*)0x20000c20 = 0; *(uint32_t*)0x20000c24 = 0; *(uint32_t*)0x20000c28 = 0; *(uint32_t*)0x20000c2c = 0; *(uint32_t*)0x20000c30 = 0; *(uint32_t*)0x20000c34 = 0; *(uint32_t*)0x20000c38 = 0; *(uint32_t*)0x20000c3c = 0; *(uint32_t*)0x20000c40 = 0; *(uint32_t*)0x20000c44 = 0; *(uint32_t*)0x20000c48 = 0; *(uint32_t*)0x20000c4c = 0; *(uint32_t*)0x20000c50 = 0; *(uint32_t*)0x20000c54 = 0; *(uint32_t*)0x20000c58 = 0; syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000800ul, /*len=*/0x45cul); syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40045564, /*arg=*/3ul); *(uint32_t*)0x20000240 = 0x11; *(uint32_t*)0x20000244 = 0; *(uint64_t*)0x20000248 = 0; *(uint64_t*)0x20000250 = 0x200000c0; memcpy((void*)0x200000c0, "syzkaller\000", 10); *(uint32_t*)0x20000258 = 0; *(uint32_t*)0x2000025c = 0; *(uint64_t*)0x20000260 = 0; *(uint32_t*)0x20000268 = 0; *(uint32_t*)0x2000026c = 0; memset((void*)0x20000270, 0, 16); *(uint32_t*)0x20000280 = 0; *(uint32_t*)0x20000284 = 0; *(uint32_t*)0x20000288 = -1; *(uint32_t*)0x2000028c = 8; *(uint64_t*)0x20000290 = 0; *(uint32_t*)0x20000298 = 0; *(uint32_t*)0x2000029c = 0x10; *(uint64_t*)0x200002a0 = 0; *(uint32_t*)0x200002a8 = 0; *(uint32_t*)0x200002ac = 0; *(uint32_t*)0x200002b0 = 0; *(uint32_t*)0x200002b4 = 0; *(uint64_t*)0x200002b8 = 0; *(uint64_t*)0x200002c0 = 0; *(uint32_t*)0x200002c8 = 0x10; *(uint32_t*)0x200002cc = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000240ul, /*size=*/0x90ul); if (res != -1) r[1] = res; *(uint64_t*)0x20000200 = 0x20000340; memcpy((void*)0x20000340, "kfree\000", 6); *(uint32_t*)0x20000208 = r[1]; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000200ul, /*size=*/0x10ul); syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x5501, 0); return 0; }