// https://syzkaller.appspot.com/bug?id=a675c44f8bbdab80d58d552c5abe2829c1a867e9 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x1ffff000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x20000000ul, 0x1000000ul, 7ul, 0x32ul, -1, 0ul); syscall(__NR_mmap, 0x21000000ul, 0x1000ul, 0ul, 0x32ul, -1, 0ul); intptr_t res = 0; memcpy((void*)0x20000000, "/sys/kernel/debug/damon/rm_contexts\000", 36); res = syscall(__NR_openat, 0xffffffffffffff9cul, 0x20000000ul, 0xa2402ul, 0ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000040 = 0x188; *(uint32_t*)0x20000044 = 0; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 5; *(uint64_t*)0x20000058 = 0x8001; *(uint32_t*)0x20000060 = 0x24; *(uint32_t*)0x20000064 = 0x1ba5e075; memcpy((void*)0x20000068, "/sys/kernel/debug/damon/rm_contexts\000", 36); *(uint64_t*)0x20000090 = 1; *(uint64_t*)0x20000098 = 0; *(uint32_t*)0x200000a0 = 0x24; *(uint32_t*)0x200000a4 = 1; memcpy((void*)0x200000a8, "/sys/kernel/debug/damon/rm_contexts\000", 36); *(uint64_t*)0x200000d0 = 5; *(uint64_t*)0x200000d8 = 0x2973; *(uint32_t*)0x200000e0 = 0x24; *(uint32_t*)0x200000e4 = 0x81; memcpy((void*)0x200000e8, "/sys/kernel/debug/damon/rm_contexts\000", 36); *(uint64_t*)0x20000110 = 4; *(uint64_t*)0x20000118 = 4; *(uint32_t*)0x20000120 = 3; *(uint32_t*)0x20000124 = 9; memcpy((void*)0x20000128, ",-/", 3); *(uint64_t*)0x20000130 = 2; *(uint64_t*)0x20000138 = 2; *(uint32_t*)0x20000140 = 3; *(uint32_t*)0x20000144 = 0x4d; memcpy((void*)0x20000148, ",[^", 3); *(uint64_t*)0x20000150 = 2; *(uint64_t*)0x20000158 = 2; *(uint32_t*)0x20000160 = 0x24; *(uint32_t*)0x20000164 = 0xb922; memcpy((void*)0x20000168, "/sys/kernel/debug/damon/rm_contexts\000", 36); *(uint64_t*)0x20000190 = 0; *(uint64_t*)0x20000198 = 0xff; *(uint32_t*)0x200001a0 = 0; *(uint32_t*)0x200001a4 = 0xfffffe00; *(uint64_t*)0x200001a8 = 1; *(uint64_t*)0x200001b0 = 0xfffffffffffffa1e; *(uint32_t*)0x200001b8 = 1; *(uint32_t*)0x200001bc = 1; memset((void*)0x200001c0, 36, 1); syscall(__NR_write, r[0], 0x20000040ul, 0x188ul); syscall(__NR_write, r[0], 0x20000080ul, 0xfe6cul); return 0; }