// https://syzkaller.appspot.com/bug?id=61b54ba5cc42164169a3c5c3b1dd40830c610aad // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include <endian.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <sys/syscall.h> #include <sys/types.h> #include <unistd.h> #ifndef __NR_bpf #define __NR_bpf 321 #endif #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, /*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; *(uint32_t*)0x2000e000 = 0x10; *(uint32_t*)0x2000e004 = 4; *(uint64_t*)0x2000e008 = 0x20000040; memcpy((void*)0x20000040, "\xb4\x00\x00\x00\x00\x00\x00\x00\x79\x10\x48\x00\x00\x00\x00\x00\x61" "\x04\x00\x00\x00\x00\x00\x00\x95\x00\x00\x80", 28); *(uint64_t*)0x2000e010 = 0x20003ff6; memcpy((void*)0x20003ff6, "GPL\000", 4); *(uint32_t*)0x2000e018 = 2; *(uint32_t*)0x2000e01c = 0xfd90; *(uint64_t*)0x2000e020 = 0x2000cf3d; *(uint32_t*)0x2000e028 = 0; *(uint32_t*)0x2000e02c = 0; memset((void*)0x2000e030, 0, 16); *(uint32_t*)0x2000e040 = 0; *(uint32_t*)0x2000e044 = 0; *(uint32_t*)0x2000e048 = -1; *(uint32_t*)0x2000e04c = 8; *(uint64_t*)0x2000e050 = 0; *(uint32_t*)0x2000e058 = 0; *(uint32_t*)0x2000e05c = 0x10; *(uint64_t*)0x2000e060 = 0; *(uint32_t*)0x2000e068 = 0; *(uint32_t*)0x2000e06c = 0; *(uint32_t*)0x2000e070 = -1; *(uint32_t*)0x2000e074 = 0; *(uint64_t*)0x2000e078 = 0; *(uint64_t*)0x2000e080 = 0; *(uint32_t*)0x2000e088 = 0x10; *(uint32_t*)0x2000e08c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000e000ul, /*size=*/0x48ul); if (res != -1) r[0] = res; syscall(__NR_close, /*fd=*/r[0]); syscall(__NR_socketpair, /*domain=*/1ul, /*type=SOCK_STREAM*/ 1ul, /*proto=*/0, /*fds=*/0x200029c0ul); *(uint32_t*)0x20000200 = 0xf; *(uint32_t*)0x20000204 = 4; *(uint32_t*)0x20000208 = 4; *(uint32_t*)0x2000020c = 0x12; *(uint32_t*)0x20000210 = 0; *(uint32_t*)0x20000214 = -1; *(uint32_t*)0x20000218 = 0; memset((void*)0x2000021c, 0, 16); *(uint32_t*)0x2000022c = 0; *(uint32_t*)0x20000230 = -1; *(uint32_t*)0x20000234 = 0; *(uint32_t*)0x20000238 = 0; *(uint32_t*)0x2000023c = 0; *(uint64_t*)0x20000240 = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000200ul, /*size=*/0x48ul); if (res != -1) r[1] = res; *(uint32_t*)0x200000c0 = r[1]; *(uint64_t*)0x200000c8 = 0x20000000; *(uint32_t*)0x20000000 = 0; *(uint64_t*)0x200000d0 = 0x20000080; *(uint32_t*)0x20000080 = r[0]; *(uint64_t*)0x200000d8 = 0; res = syscall(__NR_bpf, /*cmd=*/2ul, /*arg=*/0x200000c0ul, /*size=*/0x20ul); if (res != -1) r[2] = *(uint32_t*)0x200000c0; *(uint32_t*)0x200000c0 = 0; *(uint32_t*)0x200000c4 = 0xc; *(uint64_t*)0x200000c8 = 0x20000440; *(uint8_t*)0x20000440 = 0x18; STORE_BY_BITMASK(uint8_t, , 0x20000441, 0, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000441, 0, 4, 4); *(uint16_t*)0x20000442 = 0; *(uint32_t*)0x20000444 = 0; *(uint8_t*)0x20000448 = 0; *(uint8_t*)0x20000449 = 0; *(uint16_t*)0x2000044a = 0; *(uint32_t*)0x2000044c = 0; *(uint8_t*)0x20000450 = 0x18; STORE_BY_BITMASK(uint8_t, , 0x20000451, 1, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000451, 1, 4, 4); *(uint16_t*)0x20000452 = 0; *(uint32_t*)0x20000454 = r[2]; *(uint8_t*)0x20000458 = 0; *(uint8_t*)0x20000459 = 0; *(uint16_t*)0x2000045a = 0; *(uint32_t*)0x2000045c = 0; STORE_BY_BITMASK(uint8_t, , 0x20000460, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000460, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x20000460, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x20000461, 8, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000461, 0, 4, 4); *(uint16_t*)0x20000462 = 0; *(uint32_t*)0x20000464 = 0; STORE_BY_BITMASK(uint8_t, , 0x20000468, 3, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000468, 3, 3, 2); STORE_BY_BITMASK(uint8_t, , 0x20000468, 3, 5, 3); STORE_BY_BITMASK(uint8_t, , 0x20000469, 0xa, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000469, 8, 4, 4); *(uint16_t*)0x2000046a = 0xfff8; *(uint32_t*)0x2000046c = 0; STORE_BY_BITMASK(uint8_t, , 0x20000470, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000470, 1, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x20000470, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x20000471, 2, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000471, 0xa, 4, 4); *(uint16_t*)0x20000472 = 0; *(uint32_t*)0x20000474 = 0; STORE_BY_BITMASK(uint8_t, , 0x20000478, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000478, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x20000478, 0, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x20000479, 2, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000479, 0, 4, 4); *(uint16_t*)0x2000047a = 0; *(uint32_t*)0x2000047c = 0xfffffff8; STORE_BY_BITMASK(uint8_t, , 0x20000480, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000480, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x20000480, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x20000481, 3, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000481, 0, 4, 4); *(uint16_t*)0x20000482 = 0; *(uint32_t*)0x20000484 = 8; STORE_BY_BITMASK(uint8_t, , 0x20000488, 7, 0, 3); STORE_BY_BITMASK(uint8_t, , 0x20000488, 0, 3, 1); STORE_BY_BITMASK(uint8_t, , 0x20000488, 0xb, 4, 4); STORE_BY_BITMASK(uint8_t, , 0x20000489, 4, 0, 4); STORE_BY_BITMASK(uint8_t, , 0x20000489, 0, 4, 4); *(uint16_t*)0x2000048a = 0; *(uint32_t*)0x2000048c = 0; *(uint8_t*)0x20000490 = 0x85; *(uint8_t*)0x20000491 = 0; *(uint16_t*)0x20000492 = 0; *(uint32_t*)0x20000494 = 3; *(uint8_t*)0x20000498 = 0x95; *(uint8_t*)0x20000499 = 0; *(uint16_t*)0x2000049a = 0; *(uint32_t*)0x2000049c = 0; *(uint64_t*)0x200000d0 = 0; *(uint32_t*)0x200000d8 = 0; *(uint32_t*)0x200000dc = 0; *(uint64_t*)0x200000e0 = 0; *(uint32_t*)0x200000e8 = 0; *(uint32_t*)0x200000ec = 0; memset((void*)0x200000f0, 0, 16); *(uint32_t*)0x20000100 = 0; *(uint32_t*)0x20000104 = 0; *(uint32_t*)0x20000108 = -1; *(uint32_t*)0x2000010c = 0; *(uint64_t*)0x20000110 = 0; *(uint32_t*)0x20000118 = 0; *(uint32_t*)0x2000011c = 0; *(uint64_t*)0x20000120 = 0; *(uint32_t*)0x20000128 = 0; *(uint32_t*)0x2000012c = 0; *(uint32_t*)0x20000130 = 0; *(uint32_t*)0x20000134 = 0; *(uint64_t*)0x20000138 = 0; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0; *(uint32_t*)0x2000014c = 0; syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul); *(uint32_t*)0x200000c0 = 0x11; *(uint32_t*)0x200000c4 = 0xc; *(uint64_t*)0x200000c8 = 0x20000440; *(uint64_t*)0x200000d0 = 0x20000240; memcpy((void*)0x20000240, "GPL\000", 4); *(uint32_t*)0x200000d8 = 0; *(uint32_t*)0x200000dc = 0; *(uint64_t*)0x200000e0 = 0; *(uint32_t*)0x200000e8 = 0; *(uint32_t*)0x200000ec = 0; memset((void*)0x200000f0, 0, 16); *(uint32_t*)0x20000100 = 0; *(uint32_t*)0x20000104 = 0; *(uint32_t*)0x20000108 = -1; *(uint32_t*)0x2000010c = 0; *(uint64_t*)0x20000110 = 0; *(uint32_t*)0x20000118 = 0; *(uint32_t*)0x2000011c = 0; *(uint64_t*)0x20000120 = 0; *(uint32_t*)0x20000128 = 0; *(uint32_t*)0x2000012c = 0; *(uint32_t*)0x20000130 = 0; *(uint32_t*)0x20000134 = 0; *(uint64_t*)0x20000138 = 0; *(uint64_t*)0x20000140 = 0; *(uint32_t*)0x20000148 = 0; *(uint32_t*)0x2000014c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000c0ul, /*size=*/0x90ul); if (res != -1) r[3] = res; *(uint64_t*)0x20000040 = 0x20000080; memcpy((void*)0x20000080, "tlb_flush\000", 10); *(uint32_t*)0x20000048 = r[3]; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000040ul, /*size=*/0x10ul); return 0; }