// https://syzkaller.appspot.com/bug?id=4383f618da77d7caee6212ce8921a61f92ba95d7 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000, /*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=*/0x1000, /*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)) { } // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 00} (length 0xe) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000000, "./my_configfs\000", 14); syscall( __NR_mkdir, /*path=*/0x200000000000ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mount arguments: [ // src: nil // dst: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 00} (length 0xe) // } // type: ptr[in, buffer] { // buffer: {63 6f 6e 66 69 67 66 73 00} (length 0x9) // } // flags: mount_flags = 0x0 (8 bytes) // data: nil // ] memcpy((void*)0x200000000000, "./my_configfs\000", 14); memcpy((void*)0x200000000100, "configfs\000", 9); syscall(__NR_mount, /*src=*/0ul, /*dst=*/0x200000000000ul, /*type=*/0x200000000100ul, /*flags=*/0ul, /*data=*/0ul); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 63 6f 72 65 2f 72 64 5f 6d 63 70 5f 30 00} (length 0x23) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000700, "./my_configfs/target/core/rd_mcp_0\000", 35); syscall( __NR_mkdir, /*path=*/0x200000000700ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 63 6f 72 65 2f 72 64 5f 6d 63 70 5f 30 2f 64 65 76 30 00} (length // 0x28) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000800, "./my_configfs/target/core/rd_mcp_0/dev0\000", 40); syscall( __NR_mkdir, /*path=*/0x200000000800ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // rmdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 63 6f 72 65 2f 72 64 5f 6d 63 70 5f 30 2f 64 65 76 30 00} (length // 0x28) // } // ] memcpy((void*)0x200000000280, "./my_configfs/target/core/rd_mcp_0/dev0\000", 40); syscall(__NR_rmdir, /*path=*/0x200000000280ul); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 75 73 62 5f 67 61 // 64 67 65 74 2f 67 31 00} (length 0x1c) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000200, "./my_configfs/usb_gadget/g1\000", 28); syscall( __NR_mkdir, /*path=*/0x200000000200ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 75 73 62 5f 67 61 // 64 67 65 74 2f 67 31 2f 66 75 6e 63 74 69 6f 6e 73 2f 74 63 6d 2e 75 // 73 62 30 00} (length 0x2f) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000300, "./my_configfs/usb_gadget/g1/functions/tcm.usb0\000", 47); syscall( __NR_mkdir, /*path=*/0x200000000300ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 75 73 62 5f 67 61 64 67 65 74 00} (length 0x20) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000400, "./my_configfs/target/usb_gadget\000", 32); syscall( __NR_mkdir, /*path=*/0x200000000400ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 75 73 62 5f 67 61 64 67 65 74 2f 6e 61 61 2e 31 32 33 34 35 36 37 // 38 39 30 61 62 63 64 65 66 00} (length 0x35) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000500, "./my_configfs/target/usb_gadget/naa.1234567890abcdef\000", 53); syscall( __NR_mkdir, /*path=*/0x200000000500ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); // mkdir arguments: [ // path: ptr[in, buffer] { // buffer: {2e 2f 6d 79 5f 63 6f 6e 66 69 67 66 73 2f 74 61 72 67 65 74 // 2f 75 73 62 5f 67 61 64 67 65 74 2f 6e 61 61 2e 31 32 33 34 35 36 37 // 38 39 30 61 62 63 64 65 66 2f 74 70 67 74 5f 31 00} (length 0x3c) // } // mode: open_mode = 0x1ff (8 bytes) // ] memcpy((void*)0x200000000600, "./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\000", 60); syscall( __NR_mkdir, /*path=*/0x200000000600ul, /*mode=S_IXOTH|S_IWOTH|S_IROTH|S_IXGRP|S_IWGRP|S_IRGRP|S_IXUSR|S_IWUSR|0x100*/ 0x1fful); return 0; }