// https://syzkaller.appspot.com/bug?id=629d95983fbba49821af91acf780387bca180546 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #define BITMASK(bf_off, bf_len) (((1ull << (bf_len)) - 1) << (bf_off)) #define STORE_BY_BITMASK(type, htobe, addr, val, bf_off, bf_len) \ *(type*)(addr) = \ htobe((htobe(*(type*)(addr)) & ~BITMASK((bf_off), (bf_len))) | \ (((type)(val) << (bf_off)) & BITMASK((bf_off), (bf_len)))) uint64_t r[4] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; int main(void) { syscall(__NR_mmap, 0x20000000, 0x1000000, 3, 0x32, -1, 0); intptr_t res = 0; *(uint32_t*)0x20c86f88 = 2; *(uint32_t*)0x20c86f8c = 0x70; *(uint8_t*)0x20c86f90 = 0xfb; *(uint8_t*)0x20c86f91 = 0; *(uint8_t*)0x20c86f92 = 0; *(uint8_t*)0x20c86f93 = 0; *(uint32_t*)0x20c86f94 = 0; *(uint64_t*)0x20c86f98 = 0; *(uint64_t*)0x20c86fa0 = 0; *(uint64_t*)0x20c86fa8 = 0; STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x20c86fb0, 0, 29, 35); *(uint32_t*)0x20c86fb8 = 0; *(uint32_t*)0x20c86fbc = 0; *(uint64_t*)0x20c86fc0 = 0; *(uint64_t*)0x20c86fc8 = 0; *(uint64_t*)0x20c86fd0 = 0; *(uint64_t*)0x20c86fd8 = 0; *(uint32_t*)0x20c86fe0 = 0; *(uint32_t*)0x20c86fe4 = 0; *(uint64_t*)0x20c86fe8 = 0; *(uint32_t*)0x20c86ff0 = 0; *(uint16_t*)0x20c86ff4 = 0; *(uint16_t*)0x20c86ff6 = 0; res = syscall(__NR_perf_event_open, 0x20c86f88, 0, 0, -1, 0); if (res != -1) r[0] = res; syscall(__NR_mmap, 0x201bf000, 0x1000, 0, 0x6011, r[0], 0); *(uint32_t*)0x2025c000 = 1; *(uint32_t*)0x2025c004 = 0x70; *(uint8_t*)0x2025c008 = 5; *(uint8_t*)0x2025c009 = 0; *(uint8_t*)0x2025c00a = 0; *(uint8_t*)0x2025c00b = 0; *(uint32_t*)0x2025c00c = 0; *(uint64_t*)0x2025c010 = 1; *(uint64_t*)0x2025c018 = 0x40003; *(uint64_t*)0x2025c020 = 0; STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x2025c028, 0, 29, 35); *(uint32_t*)0x2025c030 = 0; *(uint32_t*)0x2025c034 = 0; *(uint64_t*)0x2025c038 = 0; *(uint64_t*)0x2025c040 = 0; *(uint64_t*)0x2025c048 = 0; *(uint64_t*)0x2025c050 = 0; *(uint32_t*)0x2025c058 = 0; *(uint32_t*)0x2025c05c = 0; *(uint64_t*)0x2025c060 = 0x2000000; *(uint32_t*)0x2025c068 = 0; *(uint16_t*)0x2025c06c = 0; *(uint16_t*)0x2025c06e = 0; res = syscall(__NR_perf_event_open, 0x2025c000, 0, -1, -1, 0); if (res != -1) r[1] = res; *(uint32_t*)0x20000300 = 1; *(uint32_t*)0x20000304 = 0x70; *(uint8_t*)0x20000308 = 0; *(uint8_t*)0x20000309 = 0; *(uint8_t*)0x2000030a = 0; *(uint8_t*)0x2000030b = 0; *(uint32_t*)0x2000030c = 0; *(uint64_t*)0x20000310 = 0x401; *(uint64_t*)0x20000318 = 0; *(uint64_t*)0x20000320 = 0; STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x20000328, 0, 29, 35); *(uint32_t*)0x20000330 = 0; *(uint32_t*)0x20000334 = 0; *(uint64_t*)0x20000338 = 0; *(uint64_t*)0x20000340 = 0; *(uint64_t*)0x20000348 = 0; *(uint64_t*)0x20000350 = 0; *(uint32_t*)0x20000358 = 0; *(uint32_t*)0x2000035c = 0; *(uint64_t*)0x20000360 = 0; *(uint32_t*)0x20000368 = 0; *(uint16_t*)0x2000036c = 0; *(uint16_t*)0x2000036e = 0; res = syscall(__NR_perf_event_open, 0x20000300, 0, -1, -1, 0); if (res != -1) r[2] = res; syscall(__NR_mmap, 0x20ffd000, 0x3000, 0, 0x11, r[2], 0); syscall(__NR_ioctl, r[1], 0x2405, r[2]); res = syscall(__NR_pipe, 0x20000000); if (res != -1) r[3] = *(uint32_t*)0x20000004; syscall(__NR_write, r[3], 0x200001c0, 0x10000026f); return 0; }