// https://syzkaller.appspot.com/bug?id=52468220b465a22b4148c1ec4ddbe72f5bf0f2ad // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) uint64_t r[1] = {0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); intptr_t res = 0; *(uint32_t*)0x20000000 = 2; *(uint32_t*)0x20000004 = 0x70; *(uint8_t*)0x20000008 = 0x65; *(uint8_t*)0x20000009 = 0; *(uint8_t*)0x2000000a = 0; *(uint8_t*)0x2000000b = 0; *(uint32_t*)0x2000000c = 0; *(uint64_t*)0x20000010 = 0; *(uint64_t*)0x20000018 = 0; *(uint64_t*)0x20000020 = 0; STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 4, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 29, 35); *(uint32_t*)0x20000030 = 0; *(uint32_t*)0x20000034 = 0; *(uint64_t*)0x20000038 = 0xfffffffffffffffd; *(uint64_t*)0x20000040 = 0; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0; *(uint32_t*)0x20000058 = 0; *(uint32_t*)0x2000005c = 0; *(uint64_t*)0x20000060 = 0; *(uint32_t*)0x20000068 = 0; *(uint16_t*)0x2000006c = 2; *(uint16_t*)0x2000006e = 0; res = syscall(__NR_perf_event_open, 0x20000000, -1, 0, -1, 0); if (res != -1) r[0] = res; *(uint32_t*)0x20000200 = 7; *(uint32_t*)0x20000204 = 0x70; *(uint8_t*)0x20000208 = 4; *(uint8_t*)0x20000209 = 0; *(uint8_t*)0x2000020a = 0; *(uint8_t*)0x2000020b = 0; *(uint32_t*)0x2000020c = 0; *(uint64_t*)0x20000210 = 0; *(uint64_t*)0x20000218 = 0; *(uint64_t*)0x20000220 = 0; STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x20000228, 0, 29, 35); *(uint32_t*)0x20000230 = 0; *(uint32_t*)0x20000234 = 0; *(uint64_t*)0x20000238 = 0; *(uint64_t*)0x20000240 = 0; *(uint64_t*)0x20000248 = 0; *(uint64_t*)0x20000250 = 0; *(uint32_t*)0x20000258 = 0; *(uint32_t*)0x2000025c = 0; *(uint64_t*)0x20000260 = 0; *(uint32_t*)0x20000268 = 0; *(uint16_t*)0x2000026c = 0; *(uint16_t*)0x2000026e = 0; syscall(__NR_perf_event_open, 0x20000200, -1, 0, r[0], 0); *(uint32_t*)0x20000000 = 2; *(uint32_t*)0x20000004 = 0x70; *(uint8_t*)0x20000008 = 0x65; *(uint8_t*)0x20000009 = 0; *(uint8_t*)0x2000000a = 0; *(uint8_t*)0x2000000b = 0; *(uint32_t*)0x2000000c = 0; *(uint64_t*)0x20000010 = 0; *(uint64_t*)0x20000018 = 0; *(uint64_t*)0x20000020 = 0; STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x20000028, 0, 29, 35); *(uint32_t*)0x20000030 = 0; *(uint32_t*)0x20000034 = 0; *(uint64_t*)0x20000038 = 0; *(uint64_t*)0x20000040 = 0; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0; *(uint32_t*)0x20000058 = 0; *(uint32_t*)0x2000005c = 0; *(uint64_t*)0x20000060 = 0; *(uint32_t*)0x20000068 = 0; *(uint16_t*)0x2000006c = 0; *(uint16_t*)0x2000006e = 0; syscall(__NR_perf_event_open, 0x20000000, -1, 0, r[0], 0); return 0; }