// https://syzkaller.appspot.com/bug?id=b13a975b151d0581d66bdd367e8065a0c7f42b13 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #ifndef __NR_ioctl #define __NR_ioctl 29 #endif #ifndef __NR_mmap #define __NR_mmap 222 #endif #ifndef __NR_openat #define __NR_openat 56 #endif #ifndef __NR_write #define __NR_write 64 #endif uint64_t r[1] = {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); intptr_t res = 0; memcpy((void*)0x20000040, "/dev/uinput\000", 12); res = syscall(__NR_openat, /*fd=*/0xffffffffffffff9cul, /*file=*/0x20000040ul, /*flags=O_RDWR_NONBLOCK*/ 0x802ul, /*mode=*/0ul); if (res != -1) r[0] = res; *(uint16_t*)0x20000340 = 0x2f; *(uint32_t*)0x20000344 = 0; *(uint32_t*)0x20000348 = 0; *(uint32_t*)0x2000034c = 0; *(uint32_t*)0x20000350 = 0; *(uint32_t*)0x20000354 = 0; *(uint32_t*)0x20000358 = 0; syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x401c5504, /*arg=*/0x20000340ul); syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x40045564, /*arg=*/3ul); memcpy((void*)0x20000380, "syz1\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000" "\000\000\000\000\000\000\000\000\000", 80); *(uint16_t*)0x200003d0 = 0; *(uint16_t*)0x200003d2 = 0; *(uint16_t*)0x200003d4 = 0; *(uint16_t*)0x200003d6 = 0; *(uint32_t*)0x200003d8 = 0; *(uint32_t*)0x200003dc = 0; *(uint32_t*)0x200003e0 = 0; *(uint32_t*)0x200003e4 = 0; *(uint32_t*)0x200003e8 = 0; *(uint32_t*)0x200003ec = 0; *(uint32_t*)0x200003f0 = 0; *(uint32_t*)0x200003f4 = 0; *(uint32_t*)0x200003f8 = 0; *(uint32_t*)0x200003fc = 0; *(uint32_t*)0x20000400 = 0; *(uint32_t*)0x20000404 = 0; *(uint32_t*)0x20000408 = 0; *(uint32_t*)0x2000040c = 0; *(uint32_t*)0x20000410 = 0; *(uint32_t*)0x20000414 = 0; *(uint32_t*)0x20000418 = 0; *(uint32_t*)0x2000041c = 0; *(uint32_t*)0x20000420 = 0; *(uint32_t*)0x20000424 = 0; *(uint32_t*)0x20000428 = 0; *(uint32_t*)0x2000042c = 0; *(uint32_t*)0x20000430 = 0; *(uint32_t*)0x20000434 = 0; *(uint32_t*)0x20000438 = 0; *(uint32_t*)0x2000043c = 0; *(uint32_t*)0x20000440 = 0; *(uint32_t*)0x20000444 = 0; *(uint32_t*)0x20000448 = 0; *(uint32_t*)0x2000044c = 0; *(uint32_t*)0x20000450 = 0; *(uint32_t*)0x20000454 = 0; *(uint32_t*)0x20000458 = 0; *(uint32_t*)0x2000045c = 0; *(uint32_t*)0x20000460 = 0; *(uint32_t*)0x20000464 = 0; *(uint32_t*)0x20000468 = 0; *(uint32_t*)0x2000046c = 0; *(uint32_t*)0x20000470 = 0; *(uint32_t*)0x20000474 = 0; *(uint32_t*)0x20000478 = 0; *(uint32_t*)0x2000047c = 0; *(uint32_t*)0x20000480 = 0; *(uint32_t*)0x20000484 = 0; *(uint32_t*)0x20000488 = 0; *(uint32_t*)0x2000048c = 0; *(uint32_t*)0x20000490 = 0; *(uint32_t*)0x20000494 = 0; *(uint32_t*)0x20000498 = 0x20007ff; *(uint32_t*)0x2000049c = 0; *(uint32_t*)0x200004a0 = 0; *(uint32_t*)0x200004a4 = 0; *(uint32_t*)0x200004a8 = 0; *(uint32_t*)0x200004ac = 0; *(uint32_t*)0x200004b0 = 0; *(uint32_t*)0x200004b4 = 0; *(uint32_t*)0x200004b8 = 0; *(uint32_t*)0x200004bc = 0; *(uint32_t*)0x200004c0 = 0; *(uint32_t*)0x200004c4 = 0; *(uint32_t*)0x200004c8 = 0; *(uint32_t*)0x200004cc = 0; *(uint32_t*)0x200004d0 = 0; *(uint32_t*)0x200004d4 = 0; *(uint32_t*)0x200004d8 = 0; *(uint32_t*)0x200004dc = 0; *(uint32_t*)0x200004e0 = 0; *(uint32_t*)0x200004e4 = 0; *(uint32_t*)0x200004e8 = 0; *(uint32_t*)0x200004ec = 0; *(uint32_t*)0x200004f0 = 0; *(uint32_t*)0x200004f4 = 0; *(uint32_t*)0x200004f8 = 0; *(uint32_t*)0x200004fc = 0; *(uint32_t*)0x20000500 = 0; *(uint32_t*)0x20000504 = 0; *(uint32_t*)0x20000508 = 0; *(uint32_t*)0x2000050c = 0; *(uint32_t*)0x20000510 = 0; *(uint32_t*)0x20000514 = 0; *(uint32_t*)0x20000518 = 0; *(uint32_t*)0x2000051c = 0; *(uint32_t*)0x20000520 = 0; *(uint32_t*)0x20000524 = 0; *(uint32_t*)0x20000528 = 0; *(uint32_t*)0x2000052c = 0; *(uint32_t*)0x20000530 = 0; *(uint32_t*)0x20000534 = 0; *(uint32_t*)0x20000538 = 0; *(uint32_t*)0x2000053c = 0; *(uint32_t*)0x20000540 = 0; *(uint32_t*)0x20000544 = 0; *(uint32_t*)0x20000548 = 0; *(uint32_t*)0x2000054c = 0; *(uint32_t*)0x20000550 = 0; *(uint32_t*)0x20000554 = 0; *(uint32_t*)0x20000558 = 0; *(uint32_t*)0x2000055c = 0; *(uint32_t*)0x20000560 = 0; *(uint32_t*)0x20000564 = 0; *(uint32_t*)0x20000568 = 0; *(uint32_t*)0x2000056c = 0; *(uint32_t*)0x20000570 = 0; *(uint32_t*)0x20000574 = 0; *(uint32_t*)0x20000578 = 0; *(uint32_t*)0x2000057c = 0; *(uint32_t*)0x20000580 = 0; *(uint32_t*)0x20000584 = 0; *(uint32_t*)0x20000588 = 0; *(uint32_t*)0x2000058c = 0; *(uint32_t*)0x20000590 = 0; *(uint32_t*)0x20000594 = 0; *(uint32_t*)0x20000598 = 0; *(uint32_t*)0x2000059c = 0; *(uint32_t*)0x200005a0 = 0; *(uint32_t*)0x200005a4 = 0; *(uint32_t*)0x200005a8 = 0; *(uint32_t*)0x200005ac = 0; *(uint32_t*)0x200005b0 = 0; *(uint32_t*)0x200005b4 = 0; *(uint32_t*)0x200005b8 = 0; *(uint32_t*)0x200005bc = 0; *(uint32_t*)0x200005c0 = 0; *(uint32_t*)0x200005c4 = 0; *(uint32_t*)0x200005c8 = 0; *(uint32_t*)0x200005cc = 0; *(uint32_t*)0x200005d0 = 0; *(uint32_t*)0x200005d4 = 0; *(uint32_t*)0x200005d8 = 0; *(uint32_t*)0x200005dc = 0; *(uint32_t*)0x200005e0 = 0; *(uint32_t*)0x200005e4 = 0; *(uint32_t*)0x200005e8 = 0; *(uint32_t*)0x200005ec = 0; *(uint32_t*)0x200005f0 = 0; *(uint32_t*)0x200005f4 = 0; *(uint32_t*)0x200005f8 = 0; *(uint32_t*)0x200005fc = 0; *(uint32_t*)0x20000600 = 0; *(uint32_t*)0x20000604 = 0; *(uint32_t*)0x20000608 = 0; *(uint32_t*)0x2000060c = 0; *(uint32_t*)0x20000610 = 0; *(uint32_t*)0x20000614 = 0; *(uint32_t*)0x20000618 = 0; *(uint32_t*)0x2000061c = 0; *(uint32_t*)0x20000620 = 0; *(uint32_t*)0x20000624 = 0; *(uint32_t*)0x20000628 = 0; *(uint32_t*)0x2000062c = 0; *(uint32_t*)0x20000630 = 0; *(uint32_t*)0x20000634 = 0; *(uint32_t*)0x20000638 = 0; *(uint32_t*)0x2000063c = 0; *(uint32_t*)0x20000640 = 0; *(uint32_t*)0x20000644 = 0; *(uint32_t*)0x20000648 = 0; *(uint32_t*)0x2000064c = 0; *(uint32_t*)0x20000650 = 0; *(uint32_t*)0x20000654 = 0; *(uint32_t*)0x20000658 = 0; *(uint32_t*)0x2000065c = 0; *(uint32_t*)0x20000660 = 0; *(uint32_t*)0x20000664 = 0; *(uint32_t*)0x20000668 = 0; *(uint32_t*)0x2000066c = 0; *(uint32_t*)0x20000670 = 0; *(uint32_t*)0x20000674 = 0; *(uint32_t*)0x20000678 = 0; *(uint32_t*)0x2000067c = 0; *(uint32_t*)0x20000680 = 0; *(uint32_t*)0x20000684 = 0; *(uint32_t*)0x20000688 = 0; *(uint32_t*)0x2000068c = 0; *(uint32_t*)0x20000690 = 0; *(uint32_t*)0x20000694 = 0; *(uint32_t*)0x20000698 = 0; *(uint32_t*)0x2000069c = 0; *(uint32_t*)0x200006a0 = 0; *(uint32_t*)0x200006a4 = 0; *(uint32_t*)0x200006a8 = 0; *(uint32_t*)0x200006ac = 0; *(uint32_t*)0x200006b0 = 0; *(uint32_t*)0x200006b4 = 0; *(uint32_t*)0x200006b8 = 0; *(uint32_t*)0x200006bc = 0; *(uint32_t*)0x200006c0 = 0; *(uint32_t*)0x200006c4 = 0; *(uint32_t*)0x200006c8 = 0; *(uint32_t*)0x200006cc = 0; *(uint32_t*)0x200006d0 = 0; *(uint32_t*)0x200006d4 = 0; *(uint32_t*)0x200006d8 = 0; *(uint32_t*)0x200006dc = 0; *(uint32_t*)0x200006e0 = 0; *(uint32_t*)0x200006e4 = 0; *(uint32_t*)0x200006e8 = 0; *(uint32_t*)0x200006ec = 0; *(uint32_t*)0x200006f0 = 0; *(uint32_t*)0x200006f4 = 0; *(uint32_t*)0x200006f8 = 0; *(uint32_t*)0x200006fc = 0; *(uint32_t*)0x20000700 = 0; *(uint32_t*)0x20000704 = 0; *(uint32_t*)0x20000708 = 0; *(uint32_t*)0x2000070c = 0; *(uint32_t*)0x20000710 = 0; *(uint32_t*)0x20000714 = 0; *(uint32_t*)0x20000718 = 0; *(uint32_t*)0x2000071c = 0; *(uint32_t*)0x20000720 = 0; *(uint32_t*)0x20000724 = 0; *(uint32_t*)0x20000728 = 0; *(uint32_t*)0x2000072c = 0; *(uint32_t*)0x20000730 = 0; *(uint32_t*)0x20000734 = 0; *(uint32_t*)0x20000738 = 0; *(uint32_t*)0x2000073c = 0; *(uint32_t*)0x20000740 = 0; *(uint32_t*)0x20000744 = 0; *(uint32_t*)0x20000748 = 0; *(uint32_t*)0x2000074c = 0; *(uint32_t*)0x20000750 = 0; *(uint32_t*)0x20000754 = 0; *(uint32_t*)0x20000758 = 0; *(uint32_t*)0x2000075c = 0; *(uint32_t*)0x20000760 = 0; *(uint32_t*)0x20000764 = 0; *(uint32_t*)0x20000768 = 0; *(uint32_t*)0x2000076c = 0; *(uint32_t*)0x20000770 = 0; *(uint32_t*)0x20000774 = 0; *(uint32_t*)0x20000778 = 0; *(uint32_t*)0x2000077c = 0; *(uint32_t*)0x20000780 = 0; *(uint32_t*)0x20000784 = 0; *(uint32_t*)0x20000788 = 0; *(uint32_t*)0x2000078c = 0; *(uint32_t*)0x20000790 = 0; *(uint32_t*)0x20000794 = 0; *(uint32_t*)0x20000798 = 0; *(uint32_t*)0x2000079c = 0; *(uint32_t*)0x200007a0 = 0; *(uint32_t*)0x200007a4 = 0; *(uint32_t*)0x200007a8 = 0; *(uint32_t*)0x200007ac = 0; *(uint32_t*)0x200007b0 = 0; *(uint32_t*)0x200007b4 = 0; *(uint32_t*)0x200007b8 = 0; *(uint32_t*)0x200007bc = 0; *(uint32_t*)0x200007c0 = 0; *(uint32_t*)0x200007c4 = 0; *(uint32_t*)0x200007c8 = 0; *(uint32_t*)0x200007cc = 0; *(uint32_t*)0x200007d0 = 0; *(uint32_t*)0x200007d4 = 0; *(uint32_t*)0x200007d8 = 0; syscall(__NR_write, /*fd=*/r[0], /*data=*/0x20000380ul, /*len=*/0x45cul); syscall(__NR_ioctl, /*fd=*/r[0], /*cmd=*/0x5501, 0); return 0; }