// https://syzkaller.appspot.com/bug?id=7edfe2810224317bd6773d6c1ef7b01a35d009c5 // autogenerated by syzkaller (http://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include extern unsigned long long procid; struct fs_image_segment { void* data; uintptr_t size; uintptr_t offset; }; #define IMAGE_MAX_SEGMENTS 4096 #define IMAGE_MAX_SIZE (129 << 20) #define SYZ_memfd_create 319 static uintptr_t syz_mount_image(uintptr_t fs, uintptr_t dir, uintptr_t size, uintptr_t nsegs, uintptr_t segments, uintptr_t flags, uintptr_t opts) { char loopname[64]; int loopfd, err = 0, res = -1; uintptr_t i; struct fs_image_segment* segs = (struct fs_image_segment*)segments; if (nsegs > IMAGE_MAX_SEGMENTS) nsegs = IMAGE_MAX_SEGMENTS; for (i = 0; i < nsegs; i++) { if (segs[i].size > IMAGE_MAX_SIZE) segs[i].size = IMAGE_MAX_SIZE; segs[i].offset %= IMAGE_MAX_SIZE; if (segs[i].offset > IMAGE_MAX_SIZE - segs[i].size) segs[i].offset = IMAGE_MAX_SIZE - segs[i].size; if (size < segs[i].offset + segs[i].offset) size = segs[i].offset + segs[i].offset; } if (size > IMAGE_MAX_SIZE) size = IMAGE_MAX_SIZE; int memfd = syscall(SYZ_memfd_create, "syz_mount_image", 0); if (memfd == -1) { err = errno; goto error; } if (ftruncate(memfd, size)) { err = errno; goto error_close_memfd; } for (i = 0; i < nsegs; i++) { if (pwrite(memfd, segs[i].data, segs[i].size, segs[i].offset) < 0) { } } snprintf(loopname, sizeof(loopname), "/dev/loop%llu", procid); loopfd = open(loopname, O_RDWR); if (loopfd == -1) { err = errno; goto error_close_memfd; } if (ioctl(loopfd, LOOP_SET_FD, memfd)) { if (errno != EBUSY) { err = errno; goto error_close_loop; } ioctl(loopfd, LOOP_CLR_FD, 0); usleep(1000); if (ioctl(loopfd, LOOP_SET_FD, memfd)) { err = errno; goto error_close_loop; } } mkdir((char*)dir, 0777); if (strcmp((char*)fs, "iso9660") == 0) flags |= MS_RDONLY; if (mount(loopname, (char*)dir, (char*)fs, flags, (char*)opts)) { err = errno; goto error_clear_loop; } res = 0; error_clear_loop: ioctl(loopfd, LOOP_CLR_FD, 0); error_close_loop: close(loopfd); error_close_memfd: close(memfd); error: errno = err; return res; } static void execute_one(); extern unsigned long long procid; void loop() { while (1) { execute_one(); } } unsigned long long procid; void execute_one() { memcpy((void*)0x20000000, "f2fs", 5); memcpy((void*)0x20000100, "./file0", 8); *(uint64_t*)0x20000200 = 0x20010400; memcpy((void*)0x20010400, "\x10\x20\xf5\xf2\x01\x00\x07\x00\x09\x00\x00\x00\x03\x00\x00\x00\x0c" "\x00\x00\x00\x09\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00" "\x00\x00\x00\x28\x00\x00\x00\x00\x00\x00\x0c\x00\x00\x00\x13\x00\x00" "\x00\x02\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x01\x00\x00\x00" "\x0c\x00\x00\x00\x00\x02\x00\x00\x00\x02\x00\x00\x00\x06\x00\x00\x00" "\x0a\x00\x00\x00\x0e\x00\x00\x00\x10\x00\x00\x03\x00\x00\x00\x01\x00" "\x00\x00\x02", 105); *(uint64_t*)0x20000208 = 0x69; *(uint64_t*)0x20000210 = 0x1400; *(uint64_t*)0x20000218 = 0x20010800; *(uint64_t*)0x20000220 = 0; *(uint64_t*)0x20000228 = 0x200000; *(uint64_t*)0x20000230 = 0x20010900; *(uint64_t*)0x20000238 = 0; *(uint64_t*)0x20000240 = 0x200fe0; *(uint64_t*)0x20000248 = 0x20010a00; *(uint64_t*)0x20000250 = 0; *(uint64_t*)0x20000258 = 0x2011e0; *(uint64_t*)0x20000260 = 0x20010b00; *(uint64_t*)0x20000268 = 0; *(uint64_t*)0x20000270 = 0x201240; *(uint64_t*)0x20000278 = 0x20010c00; *(uint64_t*)0x20000280 = 0; *(uint64_t*)0x20000288 = 0x201280; *(uint64_t*)0x20000290 = 0x20010d00; *(uint64_t*)0x20000298 = 0; *(uint64_t*)0x200002a0 = 0x2012e0; *(uint64_t*)0x200002a8 = 0x20010e00; *(uint64_t*)0x200002b0 = 0; *(uint64_t*)0x200002b8 = 0x201320; *(uint64_t*)0x200002c0 = 0x20010f00; *(uint64_t*)0x200002c8 = 0; *(uint64_t*)0x200002d0 = 0x201380; *(uint64_t*)0x200002d8 = 0x20011000; *(uint64_t*)0x200002e0 = 0; *(uint64_t*)0x200002e8 = 0x2013e0; *(uint64_t*)0x200002f0 = 0x20011100; *(uint64_t*)0x200002f8 = 0; *(uint64_t*)0x20000300 = 0x202000; *(uint64_t*)0x20000308 = 0x20011200; *(uint64_t*)0x20000310 = 0; *(uint64_t*)0x20000318 = 0x202e00; *(uint64_t*)0x20000320 = 0x20011300; *(uint64_t*)0x20000328 = 0; *(uint64_t*)0x20000330 = 0x202fe0; *(uint64_t*)0x20000338 = 0x20011400; *(uint64_t*)0x20000340 = 0; *(uint64_t*)0x20000348 = 0x203fe0; *(uint64_t*)0x20000350 = 0x20011500; *(uint64_t*)0x20000358 = 0; *(uint64_t*)0x20000360 = 0x204fe0; *(uint64_t*)0x20000368 = 0x20011600; *(uint64_t*)0x20000370 = 0; *(uint64_t*)0x20000378 = 0x205fe0; *(uint64_t*)0x20000380 = 0x20011700; memcpy((void*)0x20011700, "\x0c\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x0c" "\x00\x00\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x0b\x00\x00\x00\x06\x00" "\x00\x00\x0b\x00\x00\x00\x0a\x00\x00\x00\x09\x00\x00\x00\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" "\x0d\x00\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08" "\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x09\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x45\x00\x00\x00" "\x06\x00\x00\x00\x01\x00\x00\x00\x0b\x00\x00\x00\x0b\x00\x00\x00\x0e" "\x00\x00\x00\x40\x00\x00\x00\x40\x00\x00\x00\xfc\x0f\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00", 192); *(uint64_t*)0x20000388 = 0xc0; *(uint64_t*)0x20000390 = 0x400000; *(uint64_t*)0x20000398 = 0x20011800; memcpy((void*)0x20011800, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x63\x3f\x6e\x7c\x0b\x00" "\x03\x00\x00\x00\x00\x03\x00\x00\x00\x0c\x26\x00\x00\x04\x00\x00\x00" "\x00\x04\x00\x00\x00\x01\x24\x00\x00\x05\x00\x00\x00\x00\x05\x00\x00" "\x00\x04\x26\x00\x00\x06\x00\x00\x00\x00\x06\x00\x00\x00\x03\x24\x00" "\x00\x07\x00\x00\x00\x00\x07\x00\x00\x00\x04\x24\x00\x00\x08\x00\x00" "\x00\x00\x08\x00\x00\x00\x05\x24\x00\x00\x09\x00\x00\x00\x00\x09\x00" "\x00\x00\x06\x24\x00\x00\x0a\x00\x00\x00\x00\x0a\x00\x00\x00\x07\x24" "\x00\x00\x0b\x00\x00\x00\x00\x0b\x00\x00\x00\x0b\x26\x00\x00\x0c\x00" "\x00\x00\x00\x0c\x00\x00\x00\x08\x24\x00\x00\x0d\x00\x00\x00\x00\x0d" "\x00\x00\x00\x0a\x24\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00", 192); *(uint64_t*)0x200003a0 = 0xc0; *(uint64_t*)0x200003a8 = 0x400fe0; *(uint64_t*)0x200003b0 = 0x20011900; memcpy((void*)0x20011900, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00" "\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 64); *(uint64_t*)0x200003b8 = 0x40; *(uint64_t*)0x200003c0 = 0x4011e0; *(uint64_t*)0x200003c8 = 0x20011a00; *(uint64_t*)0x200003d0 = 0; *(uint64_t*)0x200003d8 = 0x401240; *(uint64_t*)0x200003e0 = 0x20011b00; *(uint64_t*)0x200003e8 = 0; *(uint64_t*)0x200003f0 = 0x401280; *(uint64_t*)0x200003f8 = 0x20011c00; memcpy((void*)0x20011c00, "\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x00" "\x14\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00", 32); *(uint64_t*)0x20000400 = 0x20; *(uint64_t*)0x20000408 = 0x4012dd; *(uint64_t*)0x20000410 = 0x20011d00; *(uint64_t*)0x20000418 = 0; *(uint64_t*)0x20000420 = 0x401320; *(uint64_t*)0x20000428 = 0x20011e00; *(uint64_t*)0x20000430 = 0; *(uint64_t*)0x20000438 = 0x401380; *(uint64_t*)0x20000440 = 0x20011f00; *(uint64_t*)0x20000448 = 0; *(uint64_t*)0x20000450 = 0x4013e0; *(uint64_t*)0x20000458 = 0x20012000; *(uint64_t*)0x20000460 = 0; *(uint64_t*)0x20000468 = 0x402000; *(uint64_t*)0x20000470 = 0x20012100; *(uint64_t*)0x20000478 = 0; *(uint64_t*)0x20000480 = 0x402e00; *(uint64_t*)0x20000488 = 0x20012200; *(uint64_t*)0x20000490 = 0; *(uint64_t*)0x20000498 = 0x402fe0; *(uint64_t*)0x200004a0 = 0x20012300; *(uint64_t*)0x200004a8 = 0; *(uint64_t*)0x200004b0 = 0x403fe0; *(uint64_t*)0x200004b8 = 0x20012400; memcpy((void*)0x20012400, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x0c\x00" "\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x0c\x00\x00" "\x00\x00\x00\x00\x00\x0a\x00\x00\x00\x0b\x00\x00\x00\x06\x00\x00\x00" "\x0b\x00\x00\x00\x0a\x00\x00\x00\x09\x00\x00\x00\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x0d\x00" "\x0b\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00" "\x00\x01\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff" "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x09\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x45\x00\x00\x00\x06\x00" "\x00\x00\x01\x00\x00\x00\x0b\x00\x00\x00\x0b\x00\x00\x00\x0e\x00\x00" "\x00\x40\x00\x00\x00\x40\x00\x00\x00\xfc\x0f\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00", 224); *(uint64_t*)0x200004c0 = 0xe0; *(uint64_t*)0x200004c8 = 0x404fe0; *(uint64_t*)0x200004d0 = 0x20012500; memcpy((void*)0x20012500, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x63\x3f\x6e\x7c", 32); *(uint64_t*)0x200004d8 = 0x20; *(uint64_t*)0x200004e0 = 0x405fe0; *(uint64_t*)0x200004e8 = 0x20012600; *(uint64_t*)0x200004f0 = 0; *(uint64_t*)0x200004f8 = 0xa00000; *(uint64_t*)0x20000500 = 0x20012700; *(uint64_t*)0x20000508 = 0; *(uint64_t*)0x20000510 = 0x2000000; *(uint64_t*)0x20000518 = 0x20012800; *(uint64_t*)0x20000520 = 0; *(uint64_t*)0x20000528 = 0x2000940; *(uint64_t*)0x20000530 = 0x20012900; *(uint64_t*)0x20000538 = 0; *(uint64_t*)0x20000540 = 0x2001000; *(uint64_t*)0x20000548 = 0x20012a00; *(uint64_t*)0x20000550 = 0; *(uint64_t*)0x20000558 = 0x2001940; *(uint64_t*)0x20000560 = 0x20012b00; *(uint64_t*)0x20000568 = 0; *(uint64_t*)0x20000570 = 0x2002000; *(uint64_t*)0x20000578 = 0x20012c00; *(uint64_t*)0x20000580 = 0; *(uint64_t*)0x20000588 = 0x2002940; *(uint64_t*)0x20000590 = 0x20012d00; *(uint64_t*)0x20000598 = 0; *(uint64_t*)0x200005a0 = 0x2003000; *(uint64_t*)0x200005a8 = 0x20012e00; *(uint64_t*)0x200005b0 = 0; *(uint64_t*)0x200005b8 = 0x2003940; *(uint64_t*)0x200005c0 = 0x20012f00; *(uint64_t*)0x200005c8 = 0; *(uint64_t*)0x200005d0 = 0x2004000; *(uint64_t*)0x200005d8 = 0x20013000; *(uint64_t*)0x200005e0 = 0; *(uint64_t*)0x200005e8 = 0x2004940; *(uint64_t*)0x200005f0 = 0x20013100; *(uint64_t*)0x200005f8 = 0; *(uint64_t*)0x20000600 = 0x2005000; *(uint64_t*)0x20000608 = 0x20013200; *(uint64_t*)0x20000610 = 0; *(uint64_t*)0x20000618 = 0x2005940; *(uint64_t*)0x20000620 = 0x20013300; *(uint64_t*)0x20000628 = 0; *(uint64_t*)0x20000630 = 0x2006000; *(uint64_t*)0x20000638 = 0x20013400; *(uint64_t*)0x20000640 = 0; *(uint64_t*)0x20000648 = 0x2006940; *(uint64_t*)0x20000650 = 0x20013500; *(uint64_t*)0x20000658 = 0; *(uint64_t*)0x20000660 = 0x2007000; *(uint64_t*)0x20000668 = 0x20013600; *(uint64_t*)0x20000670 = 0; *(uint64_t*)0x20000678 = 0x2007940; *(uint64_t*)0x20000680 = 0x20013700; *(uint64_t*)0x20000688 = 0; *(uint64_t*)0x20000690 = 0x2008000; *(uint64_t*)0x20000698 = 0x20013800; *(uint64_t*)0x200006a0 = 0; *(uint64_t*)0x200006a8 = 0x2008940; *(uint64_t*)0x200006b0 = 0x20013900; *(uint64_t*)0x200006b8 = 0; *(uint64_t*)0x200006c0 = 0x2400000; *(uint64_t*)0x200006c8 = 0x20013a00; *(uint64_t*)0x200006d0 = 0; *(uint64_t*)0x200006d8 = 0x2400160; *(uint64_t*)0x200006e0 = 0x20013b00; *(uint64_t*)0x200006e8 = 0; *(uint64_t*)0x200006f0 = 0x2400fe0; *(uint64_t*)0x200006f8 = 0x20013c00; *(uint64_t*)0x20000700 = 0; *(uint64_t*)0x20000708 = 0x2401160; *(uint64_t*)0x20000710 = 0x20013d00; *(uint64_t*)0x20000718 = 0; *(uint64_t*)0x20000720 = 0x2401fe0; *(uint64_t*)0x20000728 = 0x20013e00; *(uint64_t*)0x20000730 = 0; *(uint64_t*)0x20000738 = 0x2402160; *(uint64_t*)0x20000740 = 0x20013f00; *(uint64_t*)0x20000748 = 0; *(uint64_t*)0x20000750 = 0x2402fe0; *(uint64_t*)0x20000758 = 0x20014000; *(uint64_t*)0x20000760 = 0; *(uint64_t*)0x20000768 = 0x2403160; *(uint64_t*)0x20000770 = 0x20014100; *(uint64_t*)0x20000778 = 0; *(uint64_t*)0x20000780 = 0x2403fe0; *(uint64_t*)0x20000788 = 0x20014200; *(uint64_t*)0x20000790 = 0; *(uint64_t*)0x20000798 = 0x2404fe0; *(uint64_t*)0x200007a0 = 0x20014300; *(uint64_t*)0x200007a8 = 0; *(uint64_t*)0x200007b0 = 0x2405fe0; *(uint64_t*)0x200007b8 = 0x20014400; *(uint64_t*)0x200007c0 = 0; *(uint64_t*)0x200007c8 = 0x2406fe0; *(uint64_t*)0x200007d0 = 0x20014500; *(uint64_t*)0x200007d8 = 0; *(uint64_t*)0x200007e0 = 0x2407fe0; *(uint64_t*)0x200007e8 = 0x20014600; *(uint64_t*)0x200007f0 = 0; *(uint64_t*)0x200007f8 = 0x2408fe0; *(uint64_t*)0x20000800 = 0x20014700; *(uint64_t*)0x20000808 = 0; *(uint64_t*)0x20000810 = 0x2409160; *(uint64_t*)0x20000818 = 0x20014800; *(uint64_t*)0x20000820 = 0; *(uint64_t*)0x20000828 = 0x2409fe0; *(uint64_t*)0x20000830 = 0x20014900; *(uint64_t*)0x20000838 = 0; *(uint64_t*)0x20000840 = 0x240a160; *(uint64_t*)0x20000848 = 0x20014a00; *(uint64_t*)0x20000850 = 0; *(uint64_t*)0x20000858 = 0x240afe0; *(uint64_t*)0x20000860 = 0x20014b00; *(uint64_t*)0x20000868 = 0; *(uint64_t*)0x20000870 = 0x2600000; *(uint64_t*)0x20000878 = 0x20014c00; *(uint64_t*)0x20000880 = 0; *(uint64_t*)0x20000888 = 0x2600160; *(uint64_t*)0x20000890 = 0x20014d00; *(uint64_t*)0x20000898 = 0; *(uint64_t*)0x200008a0 = 0x2600fe0; *(uint64_t*)0x200008a8 = 0x20014e00; *(uint64_t*)0x200008b0 = 0; *(uint64_t*)0x200008b8 = 0x2601160; *(uint64_t*)0x200008c0 = 0x20014f00; *(uint64_t*)0x200008c8 = 0; *(uint64_t*)0x200008d0 = 0x2601fe0; *(uint64_t*)0x200008d8 = 0x20015000; *(uint64_t*)0x200008e0 = 0; *(uint64_t*)0x200008e8 = 0x2602160; *(uint64_t*)0x200008f0 = 0x20015100; *(uint64_t*)0x200008f8 = 0; *(uint64_t*)0x20000900 = 0x2602fe0; *(uint64_t*)0x20000908 = 0x20015200; *(uint64_t*)0x20000910 = 0; *(uint64_t*)0x20000918 = 0x2603160; *(uint64_t*)0x20000920 = 0x20015300; *(uint64_t*)0x20000928 = 0; *(uint64_t*)0x20000930 = 0x2603940; *(uint64_t*)0x20000938 = 0x20015400; *(uint64_t*)0x20000940 = 0; *(uint64_t*)0x20000948 = 0x2603fe0; *(uint64_t*)0x20000950 = 0x20015500; *(uint64_t*)0x20000958 = 0; *(uint64_t*)0x20000960 = 0x2604160; *(uint64_t*)0x20000968 = 0x20015600; *(uint64_t*)0x20000970 = 0; *(uint64_t*)0x20000978 = 0x2604940; *(uint64_t*)0x20000980 = 0x20015700; *(uint64_t*)0x20000988 = 0; *(uint64_t*)0x20000990 = 0x2604fe0; *(uint64_t*)0x20000998 = 0x20015800; *(uint64_t*)0x200009a0 = 0; *(uint64_t*)0x200009a8 = 0x2605160; *(uint64_t*)0x200009b0 = 0x20015900; *(uint64_t*)0x200009b8 = 0; *(uint64_t*)0x200009c0 = 0x2605fe0; *(uint64_t*)0x200009c8 = 0x20015a00; *(uint64_t*)0x200009d0 = 0; *(uint64_t*)0x200009d8 = 0x2606160; *(uint64_t*)0x200009e0 = 0x20015b00; *(uint64_t*)0x200009e8 = 0; *(uint64_t*)0x200009f0 = 0x2606fe0; *(uint64_t*)0x200009f8 = 0x20015c00; *(uint64_t*)0x20000a00 = 0; *(uint64_t*)0x20000a08 = 0x2607160; *(uint64_t*)0x20000a10 = 0x20000e80; *(uint64_t*)0x20000a18 = 0; *(uint64_t*)0x20000a20 = 0x2607fe0; *(uint64_t*)0x20000a28 = 0x20015e00; *(uint64_t*)0x20000a30 = 0; *(uint64_t*)0x20000a38 = 0x2608160; *(uint64_t*)0x20000a40 = 0x20015f00; *(uint64_t*)0x20000a48 = 0; *(uint64_t*)0x20000a50 = 0x2608fe0; *(uint64_t*)0x20000a58 = 0x20016000; *(uint64_t*)0x20000a60 = 0; *(uint64_t*)0x20000a68 = 0x2609160; *(uint64_t*)0x20000a70 = 0x20016100; *(uint64_t*)0x20000a78 = 0; *(uint64_t*)0x20000a80 = 0x2609fe0; *(uint64_t*)0x20000a88 = 0x20016200; *(uint64_t*)0x20000a90 = 0; *(uint64_t*)0x20000a98 = 0x260a160; *(uint64_t*)0x20000aa0 = 0x20016300; *(uint64_t*)0x20000aa8 = 0; *(uint64_t*)0x20000ab0 = 0x260a940; *(uint64_t*)0x20000ab8 = 0x20016400; *(uint64_t*)0x20000ac0 = 0; *(uint64_t*)0x20000ac8 = 0x260afe0; *(uint64_t*)0x20000ad0 = 0x20016500; *(uint64_t*)0x20000ad8 = 0; *(uint64_t*)0x20000ae0 = 0x260b160; *(uint64_t*)0x20000ae8 = 0x20016600; *(uint64_t*)0x20000af0 = 0; *(uint64_t*)0x20000af8 = 0x260b940; *(uint64_t*)0x20000b00 = 0x20016700; *(uint64_t*)0x20000b08 = 0; *(uint64_t*)0x20000b10 = 0x260bfe0; *(uint64_t*)0x20000b18 = 0x20016800; *(uint64_t*)0x20000b20 = 0; *(uint64_t*)0x20000b28 = 0x260c160; *(uint64_t*)0x20000b30 = 0x20016900; *(uint64_t*)0x20000b38 = 0; *(uint64_t*)0x20000b40 = 0x260cfe0; memcpy((void*)0x200001c0, "flush_merge", 11); *(uint8_t*)0x200001cb = 0x2c; memcpy((void*)0x200001cc, "alloc_mode=reuse", 16); *(uint8_t*)0x200001dc = 0x2c; memcpy((void*)0x200001dd, "lazytime", 8); *(uint8_t*)0x200001e5 = 0x2c; *(uint8_t*)0x200001e6 = 0; syz_mount_image(0x20000000, 0x20000100, 0, 0x63, 0x20000200, 0, 0x200001c0); } int main() { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); for (;;) { loop(); } }