| // WARNING in tcp_mark_head_lost |
| // https://syzkaller.appspot.com/bug?id=0a4389a1b9d1c1cefdc99ad2b0206da11cb9ae72 |
| // status:fixed |
| // autogenerated by syzkaller (http://github.com/google/syzkaller) |
| |
| #define _GNU_SOURCE |
| #include <endian.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <sys/syscall.h> |
| #include <unistd.h> |
| |
| #define BITMASK_LEN(type, bf_len) (type)((1ull << (bf_len)) - 1) |
| |
| #define BITMASK_LEN_OFF(type, bf_off, bf_len) \ |
| (type)(BITMASK_LEN(type, (bf_len)) << (bf_off)) |
| |
| #define STORE_BY_BITMASK(type, addr, val, bf_off, bf_len) \ |
| if ((bf_off) == 0 && (bf_len) == 0) { \ |
| *(type*)(addr) = (type)(val); \ |
| } else { \ |
| type new_val = *(type*)(addr); \ |
| new_val &= ~BITMASK_LEN_OFF(type, (bf_off), (bf_len)); \ |
| new_val |= ((type)(val)&BITMASK_LEN(type, (bf_len))) << (bf_off); \ |
| *(type*)(addr) = new_val; \ |
| } |
| |
| uint64_t r[1] = {0xffffffffffffffff}; |
| void loop() |
| { |
| long res = 0; |
| res = syscall(__NR_socket, 2, 1, 0); |
| if (res != -1) |
| r[0] = res; |
| *(uint32_t*)0x2039c000 = 1; |
| syscall(__NR_setsockopt, r[0], 6, 0x10000000013, 0x2039c000, 4); |
| *(uint32_t*)0x200b2000 = -1; |
| syscall(__NR_setsockopt, r[0], 6, 0x14, 0x200b2000, 4); |
| *(uint16_t*)0x20b55000 = 2; |
| *(uint16_t*)0x20b55002 = htobe16(0x4e22); |
| *(uint32_t*)0x20b55004 = htobe32(0); |
| *(uint8_t*)0x20b55008 = 0; |
| *(uint8_t*)0x20b55009 = 0; |
| *(uint8_t*)0x20b5500a = 0; |
| *(uint8_t*)0x20b5500b = 0; |
| *(uint8_t*)0x20b5500c = 0; |
| *(uint8_t*)0x20b5500d = 0; |
| *(uint8_t*)0x20b5500e = 0; |
| *(uint8_t*)0x20b5500f = 0; |
| syscall(__NR_bind, r[0], 0x20b55000, 0x10); |
| *(uint16_t*)0x20303000 = 2; |
| *(uint16_t*)0x20303002 = htobe16(0x4e22); |
| *(uint32_t*)0x20303004 = htobe32(0x7f000001); |
| *(uint8_t*)0x20303008 = 0; |
| *(uint8_t*)0x20303009 = 0; |
| *(uint8_t*)0x2030300a = 0; |
| *(uint8_t*)0x2030300b = 0; |
| *(uint8_t*)0x2030300c = 0; |
| *(uint8_t*)0x2030300d = 0; |
| *(uint8_t*)0x2030300e = 0; |
| *(uint8_t*)0x2030300f = 0; |
| syscall(__NR_sendto, r[0], 0x205c9000, 0x252, 0x800000020000000, 0x20303000, |
| 0x10); |
| *(uint32_t*)0x20965fec = 0x40000004; |
| *(uint32_t*)0x20965ff0 = 0x852b; |
| *(uint32_t*)0x20965ff4 = 0xffff; |
| *(uint32_t*)0x20965ff8 = 0x7fffffff; |
| *(uint32_t*)0x20965ffc = 0; |
| syscall(__NR_setsockopt, r[0], 6, 0x1d, 0x20965fec, 0x14); |
| *(uint64_t*)0x20000440 = 0x20000480; |
| memcpy((void*)0x20000480, "\xb8", 1); |
| *(uint64_t*)0x20000448 = 1; |
| syscall(__NR_writev, r[0], 0x20000440, 1); |
| *(uint32_t*)0x20000000 = 4; |
| *(uint32_t*)0x20000004 = 0; |
| *(uint32_t*)0x20000008 = 3; |
| *(uint32_t*)0x2000000c = 5; |
| *(uint32_t*)0x20000010 = 2; |
| *(uint32_t*)0x20000014 = 0x3f; |
| *(uint32_t*)0x20000018 = 3; |
| *(uint32_t*)0x2000001c = 0x292; |
| *(uint32_t*)0x20000020 = 3; |
| *(uint32_t*)0x20000024 = 0xffff746d; |
| *(uint32_t*)0x20000028 = 8; |
| *(uint32_t*)0x2000002c = 0xb220; |
| *(uint32_t*)0x20000030 = 0; |
| *(uint32_t*)0x20000034 = 4; |
| *(uint32_t*)0x20000038 = 0xb; |
| *(uint32_t*)0x2000003c = 0x6f; |
| *(uint32_t*)0x20000040 = 3; |
| *(uint32_t*)0x20000044 = 9; |
| syscall(__NR_setsockopt, r[0], 6, 0x16, 0x20000000, 9); |
| syscall(__NR_shutdown, r[0], 1); |
| memcpy((void*)0x20000100, "\xb3\x3b\xcc\x8f\x29\x32", 6); |
| *(uint8_t*)0x20000106 = 0xaa; |
| *(uint8_t*)0x20000107 = 0xaa; |
| *(uint8_t*)0x20000108 = 0xaa; |
| *(uint8_t*)0x20000109 = 0xaa; |
| *(uint8_t*)0x2000010a = 0xaa; |
| *(uint8_t*)0x2000010b = 0xbb; |
| *(uint16_t*)0x2000010c = htobe16(0x8100); |
| STORE_BY_BITMASK(uint16_t, 0x2000010e, 3, 0, 3); |
| STORE_BY_BITMASK(uint16_t, 0x2000010e, 0xb45, 3, 1); |
| STORE_BY_BITMASK(uint16_t, 0x2000010e, 2, 4, 12); |
| *(uint16_t*)0x20000110 = htobe16(0x11); |
| *(uint8_t*)0x20000112 = 0xe; |
| *(uint8_t*)0x20000113 = 0xdc; |
| memcpy((void*)0x20000114, "8", 1); |
| } |
| |
| int main() |
| { |
| syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); |
| loop(); |
| return 0; |
| } |
