// https://syzkaller.appspot.com/bug?id=eefde73a84bf4474593b3cca4798c788fe1f8899 // 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, 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; *(uint64_t*)0x20000280 = 0; *(uint32_t*)0x20000288 = 0; *(uint64_t*)0x20000290 = 0x20000040; *(uint64_t*)0x20000040 = 0x200000c0; *(uint32_t*)0x200000c0 = 0xb0; *(uint16_t*)0x200000c4 = 0; *(uint16_t*)0x200000c6 = 0; *(uint32_t*)0x200000c8 = 0; *(uint32_t*)0x200000cc = 0; *(uint8_t*)0x200000d0 = 0x1f; *(uint8_t*)0x200000d1 = 0; *(uint16_t*)0x200000d2 = 0; *(uint16_t*)0x200000d4 = 8; *(uint16_t*)0x200000d6 = 0x9a; *(uint32_t*)0x200000d8 = 0; *(uint16_t*)0x200000dc = 8; *(uint16_t*)0x200000de = 1; *(uint32_t*)0x200000e0 = 0; *(uint16_t*)0x200000e4 = 5; *(uint16_t*)0x200000e6 = 0x92; *(uint8_t*)0x200000e8 = 0; *(uint16_t*)0x200000ec = 0x84; STORE_BY_BITMASK(uint16_t, , 0x200000ee, 0x22, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000ef, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000ef, 1, 7, 1); *(uint16_t*)0x200000f0 = 0x24; STORE_BY_BITMASK(uint16_t, , 0x200000f2, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000f3, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000f3, 1, 7, 1); *(uint16_t*)0x200000f4 = 8; *(uint16_t*)0x200000f6 = 3; *(uint32_t*)0x200000f8 = 0; *(uint16_t*)0x200000fc = 8; *(uint16_t*)0x200000fe = 4; *(uint32_t*)0x20000100 = 0; *(uint16_t*)0x20000104 = 8; *(uint16_t*)0x20000106 = 4; *(uint32_t*)0x20000108 = 0; *(uint16_t*)0x2000010c = 8; *(uint16_t*)0x2000010e = 6; *(uint32_t*)0x20000110 = 0; *(uint16_t*)0x20000114 = 0x3c; STORE_BY_BITMASK(uint16_t, , 0x20000116, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000117, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000117, 1, 7, 1); *(uint16_t*)0x20000118 = 8; *(uint16_t*)0x2000011a = 5; *(uint32_t*)0x2000011c = 0; *(uint16_t*)0x20000120 = 8; *(uint16_t*)0x20000122 = 6; *(uint32_t*)0x20000124 = 0; *(uint16_t*)0x20000128 = 8; *(uint16_t*)0x2000012a = 5; *(uint32_t*)0x2000012c = 0; *(uint16_t*)0x20000130 = 8; *(uint16_t*)0x20000132 = 5; *(uint32_t*)0x20000134 = 0; *(uint16_t*)0x20000138 = 8; *(uint16_t*)0x2000013a = 1; *(uint32_t*)0x2000013c = 0; *(uint16_t*)0x20000140 = 8; *(uint16_t*)0x20000142 = 7; *(uint32_t*)0x20000144 = 0; *(uint16_t*)0x20000148 = 8; *(uint16_t*)0x2000014a = 5; *(uint32_t*)0x2000014c = 0; *(uint16_t*)0x20000150 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000152, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000153, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000153, 1, 7, 1); *(uint16_t*)0x20000154 = 8; *(uint16_t*)0x20000156 = 1; *(uint32_t*)0x20000158 = 0; *(uint16_t*)0x2000015c = 0x14; STORE_BY_BITMASK(uint16_t, , 0x2000015e, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x2000015f, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x2000015f, 1, 7, 1); *(uint16_t*)0x20000160 = 8; *(uint16_t*)0x20000162 = 2; *(uint32_t*)0x20000164 = 0; *(uint16_t*)0x20000168 = 8; *(uint16_t*)0x2000016a = 7; *(uint32_t*)0x2000016c = 0x800; *(uint64_t*)0x20000048 = 0xb0; *(uint64_t*)0x20000298 = 1; *(uint64_t*)0x200002a0 = 0; *(uint64_t*)0x200002a8 = 0; *(uint32_t*)0x200002b0 = 0; syscall(__NR_sendmsg, -1, 0x20000280ul, 0ul); *(uint64_t*)0x20000280 = 0; *(uint32_t*)0x20000288 = 0; *(uint64_t*)0x20000290 = 0x20000040; *(uint64_t*)0x20000040 = 0x200000c0; *(uint32_t*)0x200000c0 = 0xa0; *(uint16_t*)0x200000c4 = 0; *(uint16_t*)0x200000c6 = 0; *(uint32_t*)0x200000c8 = 0; *(uint32_t*)0x200000cc = 0; *(uint8_t*)0x200000d0 = 0x1f; *(uint8_t*)0x200000d1 = 0; *(uint16_t*)0x200000d2 = 0; *(uint16_t*)0x200000d4 = 8; *(uint16_t*)0x200000d6 = 0x9a; *(uint32_t*)0x200000d8 = 0; *(uint16_t*)0x200000dc = 8; *(uint16_t*)0x200000de = 0x9a; *(uint32_t*)0x200000e0 = 0; *(uint16_t*)0x200000e4 = 5; *(uint16_t*)0x200000e6 = 0x92; *(uint8_t*)0x200000e8 = 0; *(uint16_t*)0x200000ec = 0x74; STORE_BY_BITMASK(uint16_t, , 0x200000ee, 0x22, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000ef, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000ef, 1, 7, 1); *(uint16_t*)0x200000f0 = 0x24; STORE_BY_BITMASK(uint16_t, , 0x200000f2, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x200000f3, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x200000f3, 1, 7, 1); *(uint16_t*)0x200000f4 = 8; *(uint16_t*)0x200000f6 = 3; *(uint32_t*)0x200000f8 = 0; *(uint16_t*)0x200000fc = 8; *(uint16_t*)0x200000fe = 4; *(uint32_t*)0x20000100 = 0; *(uint16_t*)0x20000104 = 8; *(uint16_t*)0x20000106 = 3; *(uint32_t*)0x20000108 = 0; *(uint16_t*)0x2000010c = 8; *(uint16_t*)0x2000010e = 2; *(uint32_t*)0x20000110 = 0; *(uint16_t*)0x20000114 = 0x3c; STORE_BY_BITMASK(uint16_t, , 0x20000116, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000117, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000117, 1, 7, 1); *(uint16_t*)0x20000118 = 8; *(uint16_t*)0x2000011a = 5; *(uint32_t*)0x2000011c = 0; *(uint16_t*)0x20000120 = 8; *(uint16_t*)0x20000122 = 6; *(uint32_t*)0x20000124 = 0; *(uint16_t*)0x20000128 = 8; *(uint16_t*)0x2000012a = 5; *(uint32_t*)0x2000012c = 0; *(uint16_t*)0x20000130 = 8; *(uint16_t*)0x20000132 = 6; *(uint32_t*)0x20000134 = 0; *(uint16_t*)0x20000138 = 8; *(uint16_t*)0x2000013a = 1; *(uint32_t*)0x2000013c = 0; *(uint16_t*)0x20000140 = 8; *(uint16_t*)0x20000142 = 4; *(uint32_t*)0x20000144 = 0; *(uint16_t*)0x20000148 = 8; *(uint16_t*)0x2000014a = 5; *(uint32_t*)0x2000014c = 0; *(uint16_t*)0x20000150 = 4; STORE_BY_BITMASK(uint16_t, , 0x20000152, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000153, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000153, 1, 7, 1); *(uint16_t*)0x20000154 = 0xc; STORE_BY_BITMASK(uint16_t, , 0x20000156, 0, 0, 14); STORE_BY_BITMASK(uint16_t, , 0x20000157, 0, 6, 1); STORE_BY_BITMASK(uint16_t, , 0x20000157, 1, 7, 1); *(uint16_t*)0x20000158 = 8; *(uint16_t*)0x2000015a = 1; *(uint32_t*)0x2000015c = 0; *(uint64_t*)0x20000048 = 0xa0; *(uint64_t*)0x20000298 = 1; *(uint64_t*)0x200002a0 = 0; *(uint64_t*)0x200002a8 = 0; *(uint32_t*)0x200002b0 = 0; syscall(__NR_sendmsg, -1, 0x20000280ul, 0ul); res = syscall(__NR_socket, 0x10ul, 3ul, 0x10); if (res != -1) r[0] = res; *(uint64_t*)0x20000500 = 0; *(uint32_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0x20000000; *(uint64_t*)0x20000000 = 0x20000140; memcpy((void*)0x20000140, "\x5c\x00\x00\x00\x34\x00\x95\xb1\x06\x99\xfb\x93\x16\xbf\x9d\x54\x01", 17); *(uint64_t*)0x20000008 = 0x5c; *(uint64_t*)0x20000518 = 1; *(uint64_t*)0x20000520 = 0; *(uint64_t*)0x20000528 = 0; *(uint32_t*)0x20000530 = 0; syscall(__NR_sendmsg, r[0], 0x20000500ul, 0ul); return 0; }