// https://syzkaller.appspot.com/bug?id=8f063539d4ecf1faf3132624b57a641e923ee25a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include static long syz_open_dev(long a0, long a1, long a2) { if (a0 == 0xc || a0 == 0xb) { char buf[128]; sprintf(buf, "/dev/%s/%d:%d", a0 == 0xc ? "char" : "block", (uint8_t)a1, (uint8_t)a2); return open(buf, O_RDWR, 0); } else { char buf[1024]; char* hash; strncpy(buf, (char*)a0, sizeof(buf) - 1); buf[sizeof(buf) - 1] = 0; while ((hash = strchr(buf, '#'))) { *hash = '0' + (char)(a1 % 10); a1 /= 10; } return open(buf, a2, 0); } } static long syz_open_procfs(long a0, long a1) { char buf[128]; memset(buf, 0, sizeof(buf)); if (a0 == 0) { snprintf(buf, sizeof(buf), "/proc/self/%s", (char*)a1); } else if (a0 == -1) { snprintf(buf, sizeof(buf), "/proc/thread-self/%s", (char*)a1); } else { snprintf(buf, sizeof(buf), "/proc/self/task/%d/%s", (int)a0, (char*)a1); } int fd = open(buf, O_RDWR); if (fd == -1) fd = open(buf, O_RDONLY); return fd; } #ifndef __NR_bpf #define __NR_bpf 321 #endif uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); long res = 0; syscall(__NR_ioctl, -1, 0x8912, 0x20000080); memcpy((void*)0x20000040, "syscall", 8); syz_open_procfs(-1, 0x20000040); syscall(__NR_socket, 0x10, 2, 0); syscall(__NR_socketpair, 0, 0, 0, 0x20000140); *(uint32_t*)0x20000180 = -1; *(uint64_t*)0x20000188 = 0x20000000; *(uint64_t*)0x20000190 = 0x20000140; *(uint64_t*)0x20000198 = 0; syscall(__NR_bpf, 2, 0x20000180, 0x20); memcpy((void*)0x20000000, "/dev/kvm", 9); res = syscall(__NR_openat, 0xffffffffffffff9c, 0x20000000, 0, 0); if (res != -1) r[0] = res; res = syscall(__NR_ioctl, r[0], 0xae01, 0); if (res != -1) r[1] = res; res = syscall(__NR_ioctl, r[1], 0xae41, 0); if (res != -1) r[2] = res; *(uint32_t*)0x200001c0 = 1; *(uint32_t*)0x200001c4 = 0; *(uint64_t*)0x200001c8 = 0x40000021; *(uint64_t*)0x200001d0 = 3; *(uint64_t*)0x200001d8 = 0; *(uint64_t*)0x200001e0 = 0; *(uint8_t*)0x200001e8 = 0; *(uint8_t*)0x200001e9 = 0; *(uint8_t*)0x200001ea = 0; *(uint8_t*)0x200001eb = 0; *(uint8_t*)0x200001ec = 0; *(uint8_t*)0x200001ed = 0; *(uint8_t*)0x200001ee = 0; *(uint8_t*)0x200001ef = 0; *(uint8_t*)0x200001f0 = 0; *(uint8_t*)0x200001f1 = 0; *(uint8_t*)0x200001f2 = 0; *(uint8_t*)0x200001f3 = 0; *(uint8_t*)0x200001f4 = 0; *(uint8_t*)0x200001f5 = 0; *(uint8_t*)0x200001f6 = 0; *(uint8_t*)0x200001f7 = 0; *(uint8_t*)0x200001f8 = 0; *(uint8_t*)0x200001f9 = 0; *(uint8_t*)0x200001fa = 0; *(uint8_t*)0x200001fb = 0; *(uint8_t*)0x200001fc = 0; *(uint8_t*)0x200001fd = 0; *(uint8_t*)0x200001fe = 0; *(uint8_t*)0x200001ff = 0; *(uint8_t*)0x20000200 = 0; *(uint8_t*)0x20000201 = 0; *(uint8_t*)0x20000202 = 0; *(uint8_t*)0x20000203 = 0; *(uint8_t*)0x20000204 = 0; *(uint8_t*)0x20000205 = 0; *(uint8_t*)0x20000206 = 0; *(uint8_t*)0x20000207 = 0; *(uint8_t*)0x20000208 = 0; *(uint8_t*)0x20000209 = 0; *(uint8_t*)0x2000020a = 0; *(uint8_t*)0x2000020b = 0; *(uint8_t*)0x2000020c = 0; *(uint8_t*)0x2000020d = 0; *(uint8_t*)0x2000020e = 0; *(uint8_t*)0x2000020f = 0; *(uint8_t*)0x20000210 = 0; *(uint8_t*)0x20000211 = 0; *(uint8_t*)0x20000212 = 0; *(uint8_t*)0x20000213 = 0; *(uint8_t*)0x20000214 = 0; *(uint8_t*)0x20000215 = 0; *(uint8_t*)0x20000216 = 0; *(uint8_t*)0x20000217 = 0; *(uint8_t*)0x20000218 = 0; *(uint8_t*)0x20000219 = 0; *(uint8_t*)0x2000021a = 0; *(uint8_t*)0x2000021b = 0; *(uint8_t*)0x2000021c = 0; *(uint8_t*)0x2000021d = 0; *(uint8_t*)0x2000021e = 0; *(uint8_t*)0x2000021f = 0; *(uint8_t*)0x20000220 = 0; *(uint8_t*)0x20000221 = 0; *(uint8_t*)0x20000222 = 0; *(uint8_t*)0x20000223 = 0; *(uint8_t*)0x20000224 = 0; *(uint8_t*)0x20000225 = 0; *(uint8_t*)0x20000226 = 0; *(uint8_t*)0x20000227 = 0; syscall(__NR_ioctl, r[2], 0xc080aebe, 0x200001c0); syscall(__NR_socket, 0x10, 3, 0x10); memcpy((void*)0x20000300, "encrypted", 10); *(uint8_t*)0x20000340 = 0x73; *(uint8_t*)0x20000341 = 0x79; *(uint8_t*)0x20000342 = 0x7a; *(uint8_t*)0x20000343 = 0x23; *(uint8_t*)0x20000344 = 0; memcpy((void*)0x20000380, "/dev/vcs#", 10); syscall(__NR_request_key, 0x20000300, 0x20000340, 0x20000380, -1); memcpy((void*)0x200001c0, "/dev/vcs#", 10); syz_open_dev(0x200001c0, 0x10000008, 0x400000); syscall(__NR_mmap, 0x20011000, 0x3000, 1, 0x32, -1, 0); syscall(__NR_write, -1, 0x20011fd2, 0); memcpy((void*)0x20434ff8, "./file0", 8); memcpy((void*)0x20abf000, "./file0", 8); memcpy((void*)0x20f4c000, "jfs", 4); syscall(__NR_mount, 0x20434ff8, 0x20abf000, 0x20f4c000, 0x1023402, 0); syscall(__NR_dup2, -1, -1); syscall(__NR_ioctl, -1, 0xae41, 0); *(uint32_t*)0x20000800 = 0; *(uint16_t*)0x20000804 = 0; *(uint16_t*)0x20000806 = 0; *(uint32_t*)0x20000840 = 8; syscall(__NR_getsockopt, 0xffffff9c, 0x84, 0x77, 0x20000800, 0x20000840); syscall(__NR_mmap, 0x20011000, 0x3000, 1, 0x32, -1, 0); *(uint8_t*)0x20011fd2 = 0; *(uint8_t*)0x20011fd3 = 0; *(uint8_t*)0x20011fd4 = 0; *(uint8_t*)0x20011fd5 = 0; *(uint64_t*)0x20011fda = 0; *(uint64_t*)0x20011fe2 = 0; *(uint8_t*)0x20011fea = 0; *(uint8_t*)0x20011feb = 0; *(uint8_t*)0x20011fec = 0; *(uint8_t*)0x20011fed = 0; *(uint64_t*)0x20011ff2 = 0x77359400; *(uint64_t*)0x20011ffa = 0; syscall(__NR_write, -1, 0x20011fd2, 0x30); *(uint32_t*)0x20000300 = 0xe8; syscall(__NR_getsockopt, 0xffffff9c, 0x29, 0x23, 0x20000200, 0x20000300); *(uint32_t*)0x20000a80 = 0x14; syscall(__NR_getsockname, 0xffffff9c, 0x20000a40, 0x20000a80); *(uint32_t*)0x200010c0 = 0xe8; syscall(__NR_getsockopt, -1, 0x29, 0x23, 0x20000fc0, 0x200010c0); *(uint16_t*)0x20000040 = 0xa; *(uint16_t*)0x20000042 = htobe16(0x4e24); *(uint32_t*)0x20000044 = 0; *(uint8_t*)0x20000048 = 0; *(uint8_t*)0x20000049 = 0; *(uint8_t*)0x2000004a = 0; *(uint8_t*)0x2000004b = 0; *(uint8_t*)0x2000004c = 0; *(uint8_t*)0x2000004d = 0; *(uint8_t*)0x2000004e = 0; *(uint8_t*)0x2000004f = 0; *(uint8_t*)0x20000050 = 0; *(uint8_t*)0x20000051 = 0; *(uint8_t*)0x20000052 = 0; *(uint8_t*)0x20000053 = 0; *(uint8_t*)0x20000054 = 0; *(uint8_t*)0x20000055 = 0; *(uint8_t*)0x20000056 = 0; *(uint8_t*)0x20000057 = 0; *(uint32_t*)0x20000058 = 0; syscall(__NR_bind, -1, 0x20000040, 0x1c); return 0; }