// https://syzkaller.appspot.com/bug?id=758f8af21addce073a6a2c21540ba52bac3ee841 // 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, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } memcpy((void*)0x200000000040, "/dev/comedi3\000", 13); res = syscall(__NR_openat, /*fd=*/0xffffff9cul, /*file=*/0x200000000040ul, /*flags=FASYNC*/ 0x2000, /*mode=*/0); if (res != -1) r[0] = res; memcpy((void*)0x200000000140, "pcl818\000\000\000\000\000\000\000\000\000\000\000\000\000\000", 20); *(uint32_t*)0x200000000154 = 0xfffffffb; *(uint32_t*)0x200000000158 = 0x2167; *(uint32_t*)0x20000000015c = 2; *(uint32_t*)0x200000000160 = 0x100000; *(uint32_t*)0x200000000164 = 0x88d7; *(uint32_t*)0x200000000168 = 0x8f; *(uint32_t*)0x20000000016c = 0xfffffffd; *(uint32_t*)0x200000000170 = 0x1000010; *(uint32_t*)0x200000000174 = 3; *(uint32_t*)0x200000000178 = -1; *(uint32_t*)0x20000000017c = 0x200; *(uint32_t*)0x200000000180 = 0xfff; *(uint32_t*)0x200000000184 = 0x344; *(uint32_t*)0x200000000188 = 1; *(uint32_t*)0x20000000018c = 0; *(uint32_t*)0x200000000190 = -1; *(uint32_t*)0x200000000194 = 6; *(uint32_t*)0x200000000198 = 3; *(uint32_t*)0x20000000019c = 0x81; *(uint32_t*)0x2000000001a0 = 0xe; *(uint32_t*)0x2000000001a4 = 0; *(uint32_t*)0x2000000001a8 = 0; *(uint32_t*)0x2000000001ac = 0x80; *(uint32_t*)0x2000000001b0 = 0x7ff; *(uint32_t*)0x2000000001b4 = 5; *(uint32_t*)0x2000000001b8 = 0; *(uint32_t*)0x2000000001bc = 0xb0c4; *(uint32_t*)0x2000000001c0 = 0x7df; *(uint32_t*)0x2000000001c4 = 8; *(uint32_t*)0x2000000001c8 = 1; *(uint32_t*)0x2000000001cc = 1; *(uint32_t*)0x2000000001d0 = 0; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40946400, /*arg=*/0x200000000140ul); return 0; }