// https://syzkaller.appspot.com/bug?id=7041324073b32a6a08de78508dbc5756e371a84a // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_sendmsg #define __NR_sendmsg 211 #endif #ifndef __NR_setsockopt #define __NR_setsockopt 208 #endif #ifndef __NR_socket #define __NR_socket 198 #endif uint64_t r[5] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x20000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x21000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } res = syscall(__NR_socket, /*domain=*/0xaul, /*type=SOCK_DGRAM*/ 2ul, /*proto=*/0); if (res != -1) r[0] = res; *(uint8_t*)0x200004c0 = 0xac; *(uint8_t*)0x200004c1 = 0x14; *(uint8_t*)0x200004c2 = 0x14; *(uint8_t*)0x200004c3 = 0xbb; *(uint32_t*)0x200004d0 = htobe32(-1); *(uint16_t*)0x200004e0 = htobe16(0); *(uint16_t*)0x200004e2 = htobe16(0); *(uint16_t*)0x200004e4 = htobe16(0); *(uint16_t*)0x200004e6 = htobe16(0); *(uint16_t*)0x200004e8 = 0xa; *(uint8_t*)0x200004ea = 0; *(uint8_t*)0x200004eb = 0; *(uint8_t*)0x200004ec = 0; *(uint32_t*)0x200004f0 = 0; *(uint32_t*)0x200004f4 = 0; *(uint64_t*)0x200004f8 = 0; *(uint64_t*)0x20000500 = 0; *(uint64_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0; *(uint64_t*)0x20000518 = 0; *(uint64_t*)0x20000520 = 0; *(uint64_t*)0x20000528 = 0; *(uint64_t*)0x20000530 = 0; *(uint64_t*)0x20000538 = 0; *(uint64_t*)0x20000540 = 0; *(uint64_t*)0x20000548 = 0; *(uint64_t*)0x20000550 = 0; *(uint32_t*)0x20000558 = 0; *(uint32_t*)0x2000055c = 0; *(uint8_t*)0x20000560 = 0; *(uint8_t*)0x20000561 = 0; *(uint8_t*)0x20000562 = 0; *(uint8_t*)0x20000563 = 0; *(uint8_t*)0x20000568 = -1; *(uint8_t*)0x20000569 = 2; memset((void*)0x2000056a, 0, 13); *(uint8_t*)0x20000577 = 1; *(uint32_t*)0x20000578 = htobe32(0); *(uint8_t*)0x2000057c = 0x2b; *(uint16_t*)0x20000580 = 0; *(uint32_t*)0x20000584 = htobe32(0); *(uint32_t*)0x20000594 = 0; *(uint8_t*)0x20000598 = 0; *(uint8_t*)0x20000599 = 0; *(uint8_t*)0x2000059a = 0; *(uint32_t*)0x2000059c = 0; *(uint32_t*)0x200005a0 = 0; *(uint32_t*)0x200005a4 = 0; syscall(__NR_setsockopt, /*fd=*/r[0], /*level=*/0x29, /*optname=*/0x23, /*optval=*/0x200004c0ul, /*optlen=*/0xe8ul); res = syscall(__NR_socket, /*domain=*/0xful, /*type=*/3ul, /*proto=*/2); if (res != -1) r[1] = res; *(uint32_t*)0x200001c0 = 0; syscall(__NR_setsockopt, /*fd=*/r[1], /*level=*/1, /*optname=SO_RCVBUF*/ 8, /*optval=*/0x200001c0ul, /*optlen=*/4ul); *(uint64_t*)0x20000180 = 0; *(uint32_t*)0x20000188 = 0; *(uint64_t*)0x20000190 = 0x20000000; *(uint64_t*)0x20000000 = 0x200005c0; memcpy((void*)0x200005c0, "\x02\x0b\x00\x01\x02", 5); *(uint64_t*)0x20000008 = 0x10; *(uint64_t*)0x20000198 = 1; *(uint64_t*)0x200001a0 = 0; *(uint64_t*)0x200001a8 = 0; *(uint32_t*)0x200001b0 = 0; syscall(__NR_sendmsg, /*fd=*/r[1], /*msg=*/0x20000180ul, /*f=*/0ul); *(uint64_t*)0x20000200 = 0; *(uint32_t*)0x20000208 = 0; *(uint64_t*)0x20000210 = 0x20000380; *(uint64_t*)0x20000380 = 0x20000240; memcpy((void*)0x20000240, "\x02\x12\x00\x00\x02", 5); *(uint64_t*)0x20000388 = 0x10; *(uint64_t*)0x20000218 = 1; *(uint64_t*)0x20000220 = 0; *(uint64_t*)0x20000228 = 0; *(uint32_t*)0x20000230 = 0; syscall(__NR_sendmsg, /*fd=*/r[1], /*msg=*/0x20000200ul, /*f=*/0ul); res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/6); if (res != -1) r[2] = res; res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/6); if (res != -1) r[3] = res; *(uint64_t*)0x20000580 = 0; *(uint32_t*)0x20000588 = 0; *(uint64_t*)0x20000590 = 0x20000180; *(uint64_t*)0x20000180 = 0x20000000; memcpy((void*)0x20000000, "\xb8\x00\x00\x00\x13\x00\xe9\x99\x00\x00\x00\x00\x00\x00\x00\x00\xfc" "\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xac\x1e" "\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x0a\x00\x60", 59); *(uint64_t*)0x20000188 = 0xb8; *(uint64_t*)0x20000598 = 1; *(uint64_t*)0x200005a0 = 0; *(uint64_t*)0x200005a8 = 0; *(uint32_t*)0x200005b0 = 0; syscall(__NR_sendmsg, /*fd=*/r[3], /*msg=*/0x20000580ul, /*f=*/0ul); res = syscall(__NR_socket, /*domain=*/0x10ul, /*type=*/3ul, /*proto=*/6); if (res != -1) r[4] = res; *(uint64_t*)0x20000580 = 0; *(uint32_t*)0x20000588 = 0; *(uint64_t*)0x20000590 = 0x20000180; *(uint64_t*)0x20000180 = 0x20000000; *(uint32_t*)0x20000000 = 0xb8; *(uint16_t*)0x20000004 = 0x13; *(uint16_t*)0x20000006 = 0x99e9; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint8_t*)0x20000010 = 0xfc; *(uint8_t*)0x20000011 = 0; memset((void*)0x20000012, 0, 13); *(uint8_t*)0x2000001f = 0; *(uint8_t*)0x20000020 = 0xac; *(uint8_t*)0x20000021 = 0x1e; *(uint8_t*)0x20000022 = 0; *(uint8_t*)0x20000023 = 1; *(uint16_t*)0x20000030 = htobe16(0); *(uint16_t*)0x20000032 = htobe16(0); *(uint16_t*)0x20000034 = htobe16(0); *(uint16_t*)0x20000036 = htobe16(0); *(uint16_t*)0x20000038 = 0xa; *(uint8_t*)0x2000003a = 0x60; *(uint8_t*)0x2000003b = 0; *(uint8_t*)0x2000003c = 0; *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = 0xee01; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0; *(uint64_t*)0x20000058 = 0; *(uint64_t*)0x20000060 = 0; *(uint64_t*)0x20000068 = 0; *(uint64_t*)0x20000070 = 0; *(uint64_t*)0x20000078 = 0; *(uint64_t*)0x20000080 = 0; *(uint64_t*)0x20000088 = 0; *(uint64_t*)0x20000090 = 0; *(uint64_t*)0x20000098 = 0; *(uint64_t*)0x200000a0 = 0; *(uint32_t*)0x200000a8 = 0; *(uint32_t*)0x200000ac = 0; *(uint8_t*)0x200000b0 = 0; *(uint8_t*)0x200000b1 = 0; *(uint8_t*)0x200000b2 = 0; *(uint8_t*)0x200000b3 = 0; *(uint64_t*)0x20000188 = 0xb8; *(uint64_t*)0x20000598 = 1; *(uint64_t*)0x200005a0 = 0; *(uint64_t*)0x200005a8 = 0; *(uint32_t*)0x200005b0 = 0x80; syscall(__NR_sendmsg, /*fd=*/r[4], /*msg=*/0x20000580ul, /*f=*/0ul); *(uint64_t*)0x20000580 = 0; *(uint32_t*)0x20000588 = 0; *(uint64_t*)0x20000590 = 0x20000180; *(uint64_t*)0x20000180 = 0x20000000; *(uint32_t*)0x20000000 = 0xb8; *(uint16_t*)0x20000004 = 0x13; *(uint16_t*)0x20000006 = 0x99e9; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint8_t*)0x20000010 = 0xfc; *(uint8_t*)0x20000011 = 0; memset((void*)0x20000012, 0, 13); *(uint8_t*)0x2000001f = 0; *(uint8_t*)0x20000020 = 0xac; *(uint8_t*)0x20000021 = 0x1e; *(uint8_t*)0x20000022 = 0; *(uint8_t*)0x20000023 = 1; *(uint16_t*)0x20000030 = htobe16(0); *(uint16_t*)0x20000032 = htobe16(0); *(uint16_t*)0x20000034 = htobe16(0); *(uint16_t*)0x20000036 = htobe16(0); *(uint16_t*)0x20000038 = 0xa; *(uint8_t*)0x2000003a = 0x40; *(uint8_t*)0x2000003b = 0; *(uint8_t*)0x2000003c = 0; *(uint32_t*)0x20000040 = 0; *(uint32_t*)0x20000044 = 0xee01; *(uint64_t*)0x20000048 = 0; *(uint64_t*)0x20000050 = 0; *(uint64_t*)0x20000058 = 9; *(uint64_t*)0x20000060 = 0; *(uint64_t*)0x20000068 = 0; *(uint64_t*)0x20000070 = 0; *(uint64_t*)0x20000078 = 0; *(uint64_t*)0x20000080 = 0; *(uint64_t*)0x20000088 = 0; *(uint64_t*)0x20000090 = 0; *(uint64_t*)0x20000098 = 0; *(uint64_t*)0x200000a0 = 0; *(uint32_t*)0x200000a8 = 0; *(uint32_t*)0x200000ac = 0; *(uint8_t*)0x200000b0 = 0; *(uint8_t*)0x200000b1 = 0; *(uint8_t*)0x200000b2 = 0; *(uint8_t*)0x200000b3 = 0; *(uint64_t*)0x20000188 = 0xb8; *(uint64_t*)0x20000598 = 1; *(uint64_t*)0x200005a0 = 0; *(uint64_t*)0x200005a8 = 0; *(uint32_t*)0x200005b0 = 0; syscall(__NR_sendmsg, /*fd=*/r[2], /*msg=*/0x20000580ul, /*f=MSG_NOSIGNAL*/ 0x4000ul); return 0; }