// https://syzkaller.appspot.com/bug?id=1beebda60b34cd92894054b78f6839e359a5c0d2 // autogenerated by syzkaller (https://github.com/google/syzkaller) #define _GNU_SOURCE #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifndef __NR_bpf #define __NR_bpf 321 #endif static unsigned long long procid; static void sleep_ms(uint64_t ms) { usleep(ms * 1000); } static uint64_t current_time_ms(void) { struct timespec ts; if (clock_gettime(CLOCK_MONOTONIC, &ts)) exit(1); return (uint64_t)ts.tv_sec * 1000 + (uint64_t)ts.tv_nsec / 1000000; } static bool write_file(const char* file, const char* what, ...) { char buf[1024]; va_list args; va_start(args, what); vsnprintf(buf, sizeof(buf), what, args); va_end(args); buf[sizeof(buf) - 1] = 0; int len = strlen(buf); int fd = open(file, O_WRONLY | O_CLOEXEC); if (fd == -1) return false; if (write(fd, buf, len) != len) { int err = errno; close(fd); errno = err; return false; } close(fd); return true; } static void kill_and_wait(int pid, int* status) { kill(-pid, SIGKILL); kill(pid, SIGKILL); for (int i = 0; i < 100; i++) { if (waitpid(-1, status, WNOHANG | __WALL) == pid) return; usleep(1000); } DIR* dir = opendir("/sys/fs/fuse/connections"); if (dir) { for (;;) { struct dirent* ent = readdir(dir); if (!ent) break; if (strcmp(ent->d_name, ".") == 0 || strcmp(ent->d_name, "..") == 0) continue; char abort[300]; snprintf(abort, sizeof(abort), "/sys/fs/fuse/connections/%s/abort", ent->d_name); int fd = open(abort, O_WRONLY); if (fd == -1) { continue; } if (write(fd, abort, 1) < 0) { } close(fd); } closedir(dir); } else { } while (waitpid(-1, status, __WALL) != pid) { } } static void setup_test() { prctl(PR_SET_PDEATHSIG, SIGKILL, 0, 0, 0); setpgrp(); write_file("/proc/self/oom_score_adj", "1000"); } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; sleep_ms(1); if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } } } uint64_t r[3] = {0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff}; void execute_one(void) { intptr_t res = 0; if (write(1, "executing program\n", sizeof("executing program\n") - 1)) { } *(uint32_t*)0x20000340 = 2; *(uint32_t*)0x20000344 = 4; *(uint32_t*)0x20000348 = 8; *(uint32_t*)0x2000034c = 1; *(uint32_t*)0x20000350 = 0x80; *(uint32_t*)0x20000354 = -1; *(uint32_t*)0x20000358 = 0; memset((void*)0x2000035c, 0, 16); *(uint32_t*)0x2000036c = 0; *(uint32_t*)0x20000370 = -1; *(uint32_t*)0x20000374 = 0; *(uint32_t*)0x20000378 = 0; *(uint32_t*)0x2000037c = 0; *(uint64_t*)0x20000380 = 0; res = syscall(__NR_bpf, /*cmd=*/0ul, /*arg=*/0x20000340ul, /*size=*/0x48ul); if (res != -1) r[0] = res; *(uint32_t*)0x20000480 = r[0]; syscall(__NR_bpf, /*cmd=*/0x16ul, /*arg=*/0x20000480ul, /*size=*/4ul); *(uint32_t*)0x200004c0 = 0x11; *(uint32_t*)0x200004c4 = 0x18; *(uint64_t*)0x200004c8 = 0x200001c0; memcpy((void*)0x200001c0, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xb7" "\x08\x00\x00\x00\x00\x00\x00\x7b\x8a\xf8\xff\x00\x00\x00\x00\xb7\x08" "\x00\x00\x00\x00\x00\x00\x7b\x8a\xf0\xff\x00\x00\x00\x00\xbf\xa1\x00" "\x00\x00\x00\x00\x00\x07\x01\x00\x00\xf8\xff\xff\xff\xbf\xa4\x00\x00" "\x00\x00\x00\x00\x07\x04\x00\x00\xf0\xff\xff\xff\xb7\x02\x00\x00\x00" "\x00\x00\x00\x18\x23\x00\x00", 92); *(uint32_t*)0x2000021c = r[0]; memcpy( (void*)0x20000220, "\x00\x00\x00\x00\x00\x00\x00\x00\xb7\x05\x00\x00\x00\x00\x00\x00\x85\x00" "\x00\x00\xa5\x00\x00\x00\x18\x01\x00\x00\x20\x20\x64\x05\x00\x00\x00\x00" "\x00\x20\x20\x20\x7b\x1a\xf8\xff\x00\x00\x00\x00\xbf\xa1\x00\x00\x00\x00" "\x00\x00\x07\x01\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x08\x00\x00\x00" "\xb7\x03\x00\x00\x00\x00\x00\x00\xb6\x00\x00\x00\x08\x00\x00\x00\x95", 89); *(uint64_t*)0x200004d0 = 0x20000600; memcpy((void*)0x20000600, "GPL\000", 4); *(uint32_t*)0x200004d8 = 0; *(uint32_t*)0x200004dc = 0; *(uint64_t*)0x200004e0 = 0; *(uint32_t*)0x200004e8 = 0; *(uint32_t*)0x200004ec = 0; memset((void*)0x200004f0, 0, 16); *(uint32_t*)0x20000500 = 0; *(uint32_t*)0x20000504 = 0; *(uint32_t*)0x20000508 = 0; *(uint32_t*)0x2000050c = 0; *(uint64_t*)0x20000510 = 0; *(uint32_t*)0x20000518 = 0; *(uint32_t*)0x2000051c = 0; *(uint64_t*)0x20000520 = 0; *(uint32_t*)0x20000528 = 0; *(uint32_t*)0x2000052c = 0; *(uint32_t*)0x20000530 = 0; *(uint32_t*)0x20000534 = 0; *(uint64_t*)0x20000538 = 0; *(uint64_t*)0x20000540 = 0; *(uint32_t*)0x20000548 = 0; *(uint32_t*)0x2000054c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200004c0ul, /*size=*/0x90ul); if (res != -1) r[1] = res; *(uint64_t*)0x200002c0 = 0x20000000; memcpy((void*)0x20000000, "kmem_cache_free\000", 16); *(uint32_t*)0x200002c8 = r[1]; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200002c0ul, /*size=*/0x10ul); *(uint32_t*)0x20000080 = 0x11; *(uint32_t*)0x20000084 = 8; *(uint64_t*)0x20000088 = 0x20000480; memcpy( (void*)0x20000480, "\x62\x0a\xf8\xff\x0c\x20\x00\x21\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01" "\x00\x00\xf8\xff\xff\xff\xb7\x02\x00\x00\x03\x00\x00\x00\xbd\x12\x00\x00" "\x00\x00\x00\x00\x85\x00\x00\x00\x06\x00\x00\x00\xb7\x00\x00\x00\x00\x00" "\x00\x00\x95\x00\x00\x00\x00\x00\x00\x00\x3f\xaf\x4f\x1e\x7f\x2a\xa3\xd9" "\xb1\x8e\xd8\x1c\x0c\x86\x9b\x51\xec\x6c\x0a\xf4\xe0\xe4\xa9\x44\x6c\x76" "\x70\x56\x89\x82\xb4\xe0\x20\xf6\x98\x39\x3a\xa0\xf3\x88\x1f\x9c\x24\xaa" "\x56\xf1\x51\x99\xfa\xd0\x09\x3c\x59\xd6\x6b\x5e\xce\x9f\x36\xc7\x0d\x0f" "\x13\x90\x5e\xa2\x3c\x22\x62\x4c\x9f\x87\xf9\x79\x3f\x50\xbb\x54\x60\x40" "\x67\x7b\x0c\x50\x77\xda\x80\xfb\x98\x2c\x1e\x94\x00\xe6\x93\x14\x6c\xea" "\x48\x4a\x41\x5b\x76\x96\x61\x18\xb6\x4f\x75\x1a\x0f\x24\x1b\x07\x2e\x90" "\x08\x00\x08\x00\x2d\x75\x59\x3a\x28\x6c\xec\xc9\x3e\x64\xc2\x27\xc9\x5a" "\xa0\xb7\x84\x62\x57\x04\xf0\x7a\x72\xc2\x34\x66\x4c\x0a\xf9\x36\x0a\x1f" "\x7a\x5e\x6b\x60\x71\x30\xc8\x9f\x18\xc0\xc1\x08\x9d\x8b\x85\x32\x89\xe0" "\x1a\xa2\x7a\xe8\xb0\x9e\x00\xe7\x9a\xb2\x0b\x0b\x8e\x11\x48\xf4\x9f\xaf" "\x2a\xd0\x00\x00\x00\x00\x00\x00\x00\x6f\xa0\x3c\x64\x68\x97\x20\x89\xb3" "\x02\xd7\xbf\x60\x23\xcd\xce\xdb\x5e\x01\x25\xeb\xbc\x08\xde\xe5\x10\xcb" "\x23\x64\x14\x92\x15\x10\x83\x33\x71\x9a\xcd\x97\xcf\x84\xde\xd4\x02\x24" "\xed\xc5\x46\x5a\x93\x2b\x77\xe7\x4e\x80\x2a\x0d\x42\xbc\x60\x99\xad\x23" "\x00\x00\x00\x80\x00\x6e\xf6\xc1\xff\x09\x00\x00\x00\x00\x00\x00\x10\xc6" "\x3a\x94\x9e\x8b\x79\x55\x39\x4f\xfa\x82\xb8\xe9\x42\xc8\x6e\x00\xf4\xab" "\x87\xb1\xbf\xed\xa7\xbe\x58\x66\x02\xd9\x85\x43\x0c\xea\x01\x62\xab\x3f" "\xcf\x45\x91\xc9\x26\xab\xfb\x07\x67\x19\x23\x02\x00\x00\x00\xb0\xee\xa2" "\x44\x92\xa6\x60\x58\x3e\xec\xb4\x2c\xbc\xd3\xde\x3a\x83\x20\x9d\xa1\x7a" "\x0f\xaf\x60\xfd\x6a\xd9\xb9\x7a\xa5\xfa\x68\x48\x03\x66\xc9\xc6\xfd\x6f" "\xa5\x04\x3a\xa3\x92\x6b\x81\xe3\xb5\x9c\x95\xc2\x5a\x57\x3d\xc2\xed\xca" "\xea\x2b\x1a\x52\x49\x6d\xfc\xaf\x99\x43\x14\x12\xfd\x13\x4a\x99\x63\x82" "\xa1\xa0\x4d\x5b\xb9\x24\xcf\xe5\xf3\x18\x54\x18\xd6\x05\xff\xff\x9c\x4d" "\x2e\xc7\xc3\x2f\x20\x95\xe6\x3c\x80\xaf\xf9\xfa\x74\x0b\x5b\x76\x32\xf3" "\x20\x30\x91\x6f\x89\xc6\xda\xd7\x60\x3f\x2b\xa2\xa7\x90\xd6\x2d\x6f\xae" "\xc2\x31\xfe\xd4\x4d\xa4\x92\x8b\x30\x14\x2b\xa1\x1d\xe6\xc5\xd5\x0b\x83" "\xba\xe6\x13\x40\x22\x16\xb5\x05\x4d\x1e\x7c\x13\xb1\x35\x5d\x6f\x4a\x82" "\x45\xff\xa4\x99\x7d\xa9\xc7\x7a\xf4\xc0\xeb\x97\xfc\xa5\x85\xec\x6b\xf5" "\x83\x51\xd5\x64\xbe\xb6\xd9\x52\xaa\xb9\xc7\x07\x64\xb0\xa8\xa7\x58\x3c" "\x90\xb3\x43\x3b\x80\x9b\xdb\x9f\xbd\x48\xbc\x87\x34\x95\xcb\xff\x8a\x32" "\x6e\xea\x31\xae\x4e\x0f\x75\x05\xeb\xf6\xc9\xd1\x33\x30\xca\x00\x5a\xce" "\x1a\x84\x52\x1f\x14\x51\x8c\x9b\x47\x6f\xcc\xbd\x6c\x71\x20\x16\x21\x98" "\x48\x62\x4b\x87\xce\xc2\xdb\xe9\x82\x23\xa0\xeb\x4f\xa3\x9f\x6b\x5c\x02" "\xe6\xd6\xd9\x07\x56\xff\x57\x90\x2a\x8f\x57\x00\x00\x00\x00\x97\x00\xcf" "\x0b\x4b\x8b\xc2\x29\x41\x33\x00\x00\x00\x00\x00\x00\x00\x00\x00\x03\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x10\x00\x8b\xc0\xd9\x55" "\x97\x11\xe6\xe8\x86\x1c\x46\x49\x5b\xa5\x85\xa4\xb2\xd0\x2e\xdc\x3e\x28" "\xdd\x27\x1c\x89\x62\x49\xed\x85\xb9\x80\x68\x0b\x00\x00\x2b\x43\x5a\xc1" "\x5f\xc0\x28\x8d\x9b\x2a\x16\x9c\xdc\xac\xc4\x13\x03\x8d\xaf\xb7\xa2\xc8" "\xcb\x48\x2b\xac\x0a\xc5\x02\xd9\xba\x96\xff\xff\xff\x7f\x00\x00\x10\x00" "\x00\x00\x00\x00\x00\x7d\x5a\xd8\x97\xef\x3b\x7c\xda\x42\x01\x3d\x53\x04" "\x6d\xa2\x1b\x40\x21\x6e\x14\xba\x2d\x6a\xd5\x65\x6b\xff\xf1\x7a\xdd\xae" "\xda\xb2\x5b\x30\x00\x2a\xbb\xba\x7f\xa7\x25\xf3\x84\x00\xbe\x7c\x1f\x00" "\x1b\x2c\xd3\x17\x90\x2f\x19\xe3\x85\xbe\x9e\x48\xdc\xcf\xf7\x29\x43\x32" "\x82\x83\x06\x89\xda\x6b\x53\xb2\x63\x33\x98\x63\x29\x77\x71\x42\x9d\x12" "\x00\x00\x00\x33\x41\xbf\x4a\xba\xca\xc9\x59\x00\xfc\xa0\x49\x3c\xf2\x9b" "\x33\xdc\xc9\xff\xff\xff\xff\xff\xff\xff\xd3\x9f\xec\x22\x71\xff\x01\x58" "\x96\x46\xef\xd1\xcf\x87\x0c\xd7\xbb\x23\x66\xfd\xe4\x1f\x94\x29\x0c\x2a" "\x5f\xf8\x70\xce\x41\xfd\x34\x67\xde\xcb\x05\xcf\xd9\xfc\xb3\x2c\x8e\xd1" "\xdb\xd9\xd1\x0a\x64\xc1\x08\x3d\x5e\x71\xb5\x56\x5b\x17\x68\xee\x58\x96" "\x9c\x41\x59\x52\x29\xdf\x17\xbc\xad\x70\xfb\x40\x21\x42\x8c\xe9\x70\x27" "\x5d\x13\xb7\x81\x00\x78\x8f\x11\xf7\x61\x61\xd4\x6e\xa3\xab\xe0\xfa\x4d" "\x30\xdc\x94\xef\x24\x18\x75\xf3\xb4\xce\x02\x32\xfc\xea\x69\xc2\x71\xd7" "\xfa\x29\x82\x2a\xea\x68\xa6\x60\xe7\x17\xa0\x4b\xec\xff\x0f\x71\x91\x97" "\x72\x4f\x4f\xce\x10\x93\xb6\x2d\x7e\x8c\x71\x23\xd8\xec\x57\x1b\xe5\x4c" "\x72\xd9\x78\xcf\x90\x6d\xf0\x04\x2e\x36\xac\xd3\x7d\x7f\x9e\x11\x9f\x2c" "\x06\xf8\x15\x31\x2e\x0c\xfe\x22\x2a\x06\xf5\x6d\xd0\x22\xc0\x74\xeb\x8a" "\x32\x2f\xb0\xbf\x47\xc0\xa8\xd1\x54\xb4\x05\xc3\x7f\xea\xf3\xdd\x95\xf6" "\xef\x2a\xe5\x82\x78\x61\x05\xc7\xdf\x8b\xe5\x87\x70\x50\xc9\x13\x01\xbb" "\x99\x73\x16\xdb\xf1\x78\x66\xfb\x84\xd4\x17\x37\x31\xef\xe8\x95\x01\x2f" "\x1c\x55\x60\x92\x6e\x90\x10\x9b\x59\x85\x02\xd3\xe9\x59\xef\xc7\x1f\x66" "\x5c\x4d\x75\xcf\x24\x58\xe3\x54\x6c\x1c\x77\x6d\xa6\x4f\xb5\xab\xee\x0a" "\xcf\xd2\x35\xf2\xf4\x63\x2c\x90\x62\xec\xe8\x4c\x99\xa0\x61\x88\x7a\x20" "\x63\x9b\x41\xc8\xc1\x2e\xe8\x6c\x50\x80\x40\x42\xb3\xfb\x5a\xac\x51\x8a" "\x75\xf9\xe7\xd7\x10\x1d\x5e\x18\x6c\x48\x9b\x3a\x06\xfb\x99\xe0\xaa\x7f" "\x23\xa0\x54\xde\x2f\x4d\x92\xd6\xbd\x72\xee\x2c\x9f\xdc\x75\xaa\xaf\x1e" "\x3e\x48\x3b\x4a\xd0\x55\x73\xaf\x40\x32\x69\x93\x94\x7d\x9a\x63\x1b\xcb" "\xf3\x58\x37\x84\xac\xbd\xa2\x16\x55\x0d\x7a\xec\x6b\x79\xe3\x0c\xbd\x12" "\x8f\x54\xc2\xd3\x33\x54\x57\xac\xf3\x73\x31\x76\x6e\x47\x23\x91\xe3\x58" "\xc3\xb3\x77\x32\x7a\xc9\xec\xc3\x4f\x24\xc9\xae\x15\x3e\xc6\x0a\xc0\x69" "\x4d\xc5\x5b\xff\x9f\x5f\x45\xf9\x04\x00\x00\x00\x00\x00\x00\x00\xd6\xb2" "\xc5\xea\x13\x93\xfd\xf2\x42\x85\xbf\x16\xb9\x9c\x9c\xc0\xad\x18\x57\x21" "\x6f\x1a\x98\x5f\x36\x91\x91\xae\x95\x4f\xeb\xb3\xdf\x46\x4b\xfe\x0f\x7f" "\x3e\xe9\xaf\xe7\xbe\xfb\x89\xd2\x77\x73\x99\xf5\x87\x4c\x55\x3a\xeb\x37" "\x29\xcf\xfe\x86\xe6\x69\x64\xae\x09\xbb\x6d\x16\x31\x18\xe4\xcb\xe0\x24" "\xfd\x45\x00\xf8\xff\x07\x00\x00\x00\x00\xcc\x9d\x80\x46\xc2\x16\xc1\xf8" "\x95\x77\x8c\xb2\x51\x22\xa2\xa9\xf9\xb4\x44\xae\xad\xea\x2a\x40\xda\x8d" "\xac\xcf\x08\x08\x42\xa4\x86\x72\x17\x37\x39\x0c\xbf\x3a\x74\xcb\x20\x03" "\x01\x6f\x15\x14\x21\x6b\xdf\x57\xd2\xa4\x0d\x40\xb5\x1a\xb6\x3e\x96\xec" "\x84\x85\xb3\xb8\xa8\xc9\xae\x3d\x14\xf9\x31\x00\xc2\xe0\x89\x38\x62\xee" "\xf5\x52\xfc\xde\x29\x81\xf4\x8c\x48\x2b\xde\x8a\x16\x8c\x3f\x5d\xb2\xfe" "\xa6\xf2\x6e\x4a\x43\x04\xe5\x0c\x34\x05\x00\x00\x00\x00\x00\x00\x00\x38" "\x71\xc5\xf9\x9b\x35\x5b\x72\xd5\x38\xba\x49\x58\xea\x8e\x4a\xa3\x70\x94" "\x19\x1e\x10\x09\x6e\x7e\x60\xfc\x35\x41\xa2\xc9\x05\xa1\xa9\x5e\x95\x71" "\xbf\x38\xae\x19\x81\xc4\x23\x8e\xca\xee\x6f\x75\xcd\x0a\x68\x81\xbd\x15" "\x17\xa8\x25\x0d\xdc\x86\x74\x15\x2f\x94\xe3\xa4\x09\xe2\xa3\xbc\xe1\x09" "\xb6\x00\x00\x00\x00\x00\x00\x00\x00\xd6\xd5\x21\x0d\x75\x03\x00\x00\x00" "\xa8\x7a\x27\x60\x2b\x81\xf7\x63\x86\xf1\x53\x5b\xef\x14\x97\xf9\x21\x86" "\x08\x6e\x29\xc6\xbc\x5a\x1f\xad\x6e\xc9\xa3\x11\x37\xab\xf9\xa4\x04\xab" "\xde\x77\x50\x89\x8b\x1b\xd6\x27\xe8\x73\xf8\x70\x3b\xe8\x67\x2d\x70\xd1" "\xab\x57\x07\x52\x28\xa9\xf4\x6e\xd9\xbd\x1f\x08\xfb\x81\x91\xbb\xab\x2d" "\xc5\x1d\xe3\xa6\x1f\x08\x68\xaf\xc4\x29\x48\x59\x32\x3e\x6c\x25\x7a\x45" "\x31\x9f\x18\x10\x12\x88\xd1\x39\xbd\x3d\xa2\x0f\xed\x05\xa8\xfe\x64\x68" "\x0b\x0a\x3f\xc2\x2d\xd7\x04\x00\x00\x00\x00\x94\x69\x12\xd6\xc9\x8c\xd1" "\xa9\xfb\xe1\xe7\xd5\x8c\x08\xac\xaf\x30\x23\x5b\x91\x8a\x31\xd2\xec\xa5" "\x5f\x74\xa2\x36\x41\xf6\x1f\x2d\x5b\x30\x8c\xf0\xd0\x31\xb0\xc7\xf0\xce" "\xd6\x99\x93\xe9\x96\x0f\xf5\xf7\x60\x15\xe6\x00\x95\x56\x23\x7b\xad\xf4" "\xe7\x96\x5b\xbe\x27\x77\xe8\x08\xfc\xba\x82\x1a\xa8\xe8\xc5\xc3\x96\x09" "\xff\x85\x43\x52\xcb\x49\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x00\xc1\xfe\xe3\x0a\x3f\x7a\x85\xd1\xb2\x9e\x58\xc7\x76\x85\xef\xc0\xce" "\xb1\xc8\xe5\x72\x9c\x66\x41\x8d\x16\x9f\xc0\x3a\xa1\x88\x54\x6b\x3a\xd2" "\xa1\x82\x06\x8e\x1e\x3a\x0e\x25\x05\xbc\x7f\x41\x01\x96\x45\x46\x6a\x53" "\xf1\xc9\x6e\x0d\x4b\x3b\xc1\x9f\xaa\x54\x49\x20\x9b\x08\x3d\xbd\x33\x4b" "\x47\xf0\x67\xbb\xab\x40\x74\x3b\x2a\x42\x01\x00\x82\x00\x8d\xf7\x5c\xf4" "\x3f\x8e\xcc\x8d\x37\x26\x17\x74\xcc\x5a\x3b\xf6\xb4\x66\xcb\x72\x81\x2d" "\xa5\x18\xff\x60\x21\x11\xb4\x0e\x76\x1f\xd2\x10\x81\x92\x03\x82\xf1\x4d" "\x12\xca\x3c\x34\x31\xee\x97\x47\x1c\x78\x68\xdc\xda\x7e\xaa\x69\xeb\x7f" "\x7f\x80\x57\x2f\xdd\x11\xbb\x1d\x0d\x12\x80\xfb\xc2\x2b\xf7\x34\x68\x78" "\x8d\xf5\x17\x10\xd7\xd3\x1c\x63\x2f\xc5\xed\x17\x62\xeb\x0b\x42\x8e\xe7" "\x51\xc4\x7d\x8e\x89\x4f\x74\x5a\x86\x84\x04\xa0\xbf\x35\xf0\x12\x10\x08" "\xb7\x22\xb1\xea\xa6\xae\xdf\xa1\xbf\x2e\x7c\xcb\x2d\x61\xd5\xd7\x63\x31" "\x94\x5e\xce\xfa\x26\xb8\x47\x1d\x42\x64\x52\x88\xd7\x22\x6b\xbd\x9c\xcd" "\x62\x8a\xb8\x48\x75\xf2\xc5\x0b\xa8\x91\xce\xa5\x92\xb0\x43\x0a\x53\x7a" "\x39\x5d\xc7\x3b\xda\x36\x7b\xf1\x2c\xb7\xd8\x16\x91\xa5\xfe\x8c\x47\xbe" "\x39\x56\x56\xa2\x97\xe9\xdf\x0e\x71\xf9\x67\x56\xea\x5c\xce\x7d\xaa\xc4" "\xbe\x29\x01\x59\xf6\xbc\xd7\x5f\x0d\xda\x9d\xe5\x53\x2e\x71\xae\x9e\x48" "\xb0\xed\x02\x54\xa8\x31\x00\x00\x00\x00\xf6\xfb\xb8\x69\x60\x4d\x50\xa3" "\x6a\x54\xc8\x32\xe4\x5b\x25\x69\xdc\x0d\x90\xb0\x75\x22\x5f\xde\x44\xc4" "\xe0\x97\x31\x71\xad\x47\xd6\xb0\xfd\xf9\x74\x3a\xf9\x32\xcd\x6d\xb4\x9a" "\x47\x61\x38\x08\xba\xd9\x59\x71\x03\x00\x00\x00\x00\x00\x00\x00\x83\x2d" "\x0a\x45\xfa\x42\x42\xe2\x4c\x7e\x80\x00\x03\xc9\xe8\x09\x5e\x02\x98\x5f" "\x28\xe6\x78\xf6\x64\x22\x43\x6f\x94\x9e\x2a\xb8\xf1\x62\xd7\xe3\xf8\x55" "\xe3\x78\xf4\xa1\xf4\x0b\x0c\x6f\xb2\xd4\xb2\x05\xa8\x00\xb6\xd7\x13\xac" "\xeb\xc5\xb0\x14\xe6\x1a\x54\x3a\x5a\x19\x4f\x9a\xc1\x8d\x76\xb5\x44\x0e" "\x3b\x1a\x56\x9e\x73\x97\xf6\xca\xfa\x86\x96\x6d\x7b\xa1\x9e\x72\x04\x13" "\x26\x7a\x6c\xce\xa9\xc4\x39\x67\x1d\x2c\x68\x0f\x27\x53\xca\x18\x4e\xee" "\xb8\x43\x45\x03\x68\xac\xb4\x38\x3a\x01\xd2\x5e\xb3\xd1\xe2\x3e\x0f\x26" "\x45\xd1\xcd\xfa\x9f\xa4\x10\x63\x2f\x95\xa5\xf6\x22\xf8\x51\xc6\x6e\xe7" "\xe3\x03\x93\xcd\x7a\x4d\x67\xff\x2a\x49\xc4\xf9\x3c\x09\x84\xb5\xc2\xd4" "\x52\x34\x97\xe4\xd6\x4f\x95\xf0\x84\x93\x56\x4a\x1d\xf8\x71\x11\xc9\xbf" "\x31\x94\xfe\xf9\x7d\xce\xcc\x46\x7a\xce\x45\xfe\xeb\x68\x5c\x58\x70\xd0" "\x5f\x88\xa0\xf4\x63\xdb\x88\xd3\x77\x44\x2e\x13\x49\xac\xaf\x76\x62\x18" "\xb5\x4a\x9d\x62\x47\x78\xe1\xc4\xe0\x64\xc9\x8e\x49\x41\x98\x27\x6e\xb2" "\xdf\x77\x66\x41\x1b\xef\x0e\xbb\x50\x00\x00\x00\x00\x00\x60\x65\xd6\x35" "\xb0\xb7\xa0\x0e\xe7\x67\x22\x1d\x8a\xf9\x75\x33\x87\xe0\xcd\x8d\x71\x8f" "\x54\xa2\x9d\xf6\xeb\xa3\xbd\x4c\x44\x0e\x6e\x21\x72\xe3\xfc\xc0\x1b\x8b" "\xab\xb7\x57\xb5\xc5\x92\x17\xb8\x0d\x0d\xb3\xba\x58\x28\x14\xa6\x04\xe4" "\xef\x7a\x80\x3e\x9c\xa7\xc8\x5b\x35\xc9\xb9\x3a\x9e\x08\x85\xe2\x38\xb4" "\x4a\xe1\xc2\xe6\x4c\xce\x3b\x27\x08\x3b\x82\x46\x82\x9e\x64\x05\x60\x00" "\x30\x2b\xff\xff\x15\x40\x5b\xd5\xf2\xeb\xa2\x00\x00\x00\x00\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x9a\x98\x23\xfd\x8f\xbc\x5a" "\xa1\x65\x09\x9c\x5e\xd0\x32\xb4\x8e\xa1\x2d\x8e\x05\x88\xdc\x52\x70\x2e" "\x40\x84\x91\x3a\x06\xd4\x68\xd0\x92\x8b\xad\x76\xd6\x97\xe1\xf8\x5a\xb0" "\x30\xe7\x88\xd3\x87\x88\xee\x5b\x54\x28\xd4\xa9\x71\xcc\x97\xdb\x9f\xd2" "\x31\x08\x8e\x57\x07\x35\xce\x12\x9e\x7e\x77\xfc\x27\x77\x69\x26\x64\xa1" "\x48\x8f\xd8\xd6\xdf\xf4\xda\xd6\x18\xfd\x54\xf5\x29\xd4\x55\x5c\x65\x07" "\x00\x9e\xe6\x9d\xd1\xbc\x55\x25\x87\x89\xb2\x40\x52\x13\x7e\x96\x37\xf3" "\xef\xba\xb7\x17\x20\xf8\x8c\x3c\x44\xb3\xb7\x48\x6f\x97\x9e\x8a\x31\xb1" "\x6a\xc5\xfb\x73\xfe\x0e\x52\x39\xc0\x00\xbe\x27\x33\xc4\x95\x46\xf6\xe8" "\xa9\x17\x5e\xc6\xf1\x4d\xbf\x72\xca\xc9\x16\x43\xb2\xfd\x99\xc2\x9e\xca" "\x28\xa3\xc2\xe6\x0d\x5e\x5b\x87\x95\xfa\xe1\x6a\x7c\x3e\xa5\x7e\x72\x8e" "\xca\x35\xea\xf0\x15\x5a\x39\xf9\x75\x80\xe0\x79\x17\x54\x26\xc0\x88\xa0" "\x20\x80\x40\x98\x2a\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" "\x51\xce\xaa\xf0\x15\x9f\xe6\x1f\x2e\xad\xe7\x60\x3d\x0a\x7a\x56\xfb\x09" "\xcd\x11\x9a\xc0\x6a\xdb\x65\x97\x15\x5a\xe4\x78\x46\x89\x2b\xb4\x23\xc0" "\x24\xd8\xcb\xe9\x24\x0b\x71\xec\x6d\xc2\x12\x4d\x3a\x19\xe2\xd7\x14\xb2" "\x73\xd9\x5d\x1d\x3a\xa7\x37\xcb\x04\xa3\x36\x15\xff\x2a\x73\x0e\x51\x06" "\x7d\x5d\x67\x5d\x71\x22\x36\x1c\x37\xc6\x1a\x43\xb5\xaf\xd8\x65\xb6\x0d" "\x4c\xae\x89\x1b\x73\x22\x0f\x17\xd2\x59\x85\xa7\xf7\x68\x34\x99\x5e\x53" "\xa9\x3a\x1c\x7b\x9e\xef\x26\x7d\xf6\x91\xca\x98\x3a\x0b\x15\xbd\xa7\xf6" "\xc5\xc1\xca\x7a\xa5\x02\x61\xa3\x08\x9a\x1e\xbf\x07\x34\xc9\xb0\x7e\x89" "\x51\xff\x02\x32\x63\xad\x5a\xed\x8c\xfb\x49\xb4\x9e\x12\x8c\x69\x77\x24" "\xc0\x57\xd2\x2c\x5d\xf5\xae\xf2\x7c\xe3\xdb\x11\xd5\xad\x55\x27\xd1\x49" "\xd0\x76\xe1\xa8\x7e\x2d\xf2\x7c\x0c\xb8\xa6\x7a\xd0\x26\xbf\x95\x3f\x88" "\xf1\x04\x47\xe1\x25\xc2\xc0\xf1\xae\xbe\xe1\xf3\x39\x0a\x9e\x3d\xda\xd4" "\xe2\xa6\xe0\xf6\xe4\x56\x9f\xde\xfa\x19\xe8\x70\xe0\x4a\xcf\x94\x93\xb9" "\x63\xf9\x8e\x23\xcf\xc6\x65\xe4\xf4\x65\xfa\x3f\x80\x1e\x19\x57\xc3\x99" "\xe4\x5f\x61\xd3\x45\x9b\x1c\x60\x62\x04\x36\x8b\xb9\x31\x34\x5a\xf2\x82" "\x3c\x48\x7d\x2f\xd9\x9d\xb6\xea\x6e\x00\x8e\x7f\xfa\x06\xca\x86\x15\x51" "\x18\x9d\x15\x5b\xd0\x77\xa7\x9f\xe2\xc7\xe9\x61\x35\x2e\x56\x82\x4f\x72" "\x7d\x21\xd4\x1e\xae\x78\xbf\xec\x4a\x2d\x7a\x7e\xdb\xc8\xef\x95\x8c\x5e" "\xa5\x99\xf7\xc2\x5b\xf7\x1c\x23\x40\x55\x8a\xa1\x2f\xdd\x24\xa8\x8a\xaa" "\xd5\x92\x1a\xee\x7d\xae\x6a\x2f\x30\x09\xd9\xcb\x43\xab\x48\x98\xd0\xf0" "\xaa\x56\x54\x31\xb6\xab\xe5\x85\xd7\x5d\xb0\x4d\x1c\x9b\xa0\xb9\xde\x4a" "\xe8\xb0\xd3\x13\x2b\xc6\x81\x0c\xc9\xa6\x93\x97\x9f\x55\x17\x4a\x5f\xe1" "\xdf\x9f\xde\xf3\x5b\xc4\x70\xf9\xe6\xe5\x91\x98\x27\x57\xf4\x5c\x52\xc6" "\x45\xd8\x91\xbf\x63\xbb\x21\xfb\x66\x92\x6e\xbe\x1a\x85\x25\x61\x1f\xc3" "\xe8\xbb\x87\x95\xc3\x6d\xc2\xa8\x6b\x5a\xb4\x6f\xf3\x3c\xc7\x4f\x61\x75" "\x1b\x2d\xae\x92\x67\x6d\xb8\x5c\x8d\x0c\x72\x1b\x7e\xa4\x54\x4b\xf5\x1c" "\x95\xc8\x6f\xca\xc1\xf4\x34\xd0\x9d\x1e\xe4\x92\x8a\xaf\xe2\x3d\xe6\x6f" "\xed\x97\x2e\x0d\xdd\xfb\x33\xf6\x4e\x48\x70\x1b\x04\x92\x39\xe7\xf5\x52" "\xd8\x16\x44\x1d\x11\xc4\xc2\x64\x7c\x01\x44\x62\x34\x43\x59\x19\x8d\x97" "\xc4\xb6\xe9\xed\x31\xca\x18\x98\x7b\x64\xde\x07\x9b\x2b\xed\x64\x1e\x8a" "\x92\xf1\x3c\xa7\x08\x44\xc6\x5c\xb4\x23\xd0\x19\x50\xb0\xeb\xf4\x4b\xd2" "\x8e\x09\xc0\x5d\x9a\xe5\xdd\x68\x9f\xb8\x80\xfb\x18\xd0\x42\x21\x9f\x5a" "\xc6\x0c\x3a\x03\xb0\x85\xab\xf3\xe8\xe3\xef\xc8\x42\xa8\xd3\x28\x73\x34" "\x61\xf0\x4c\x99\x60\x70\x61\xc6\x5e\xd1\x4c\x61\x32\x2a\x5a\xc2\xd3\x71" "\xa9\x5b\x8a\xd8\x67\xec\x92\xd1\x3a\x4f\xa4\xae\x03\x3a\x09\x67\x38\x66" "\xcd\x77\xf4\xbc\xda\xaa\x05\x20\x71\x66\xb1\x9a\x87\x58\xd8\x85\x54\x00" "\xd8\xc6\xa7\x24\x2d\xc2\x07\x25\x1e\x87\x97\xec\xa2\x4e\xa4\xf4\x87\x66" "\x3e\x60\xf2\xf5\xe1\xf1\x42\x49\x58\xfd\x14\x8f\x84\x68\x30\xe8\x8a\x42" "\xd9\x3e\x1f\xe9\xc0\xb4\xa4\xa2\x68\x92\x17\x38\x93\x8a\xa9\xf3\xcb\x38" "\x11\xac\x87\xc5\x4c\x8e\xbc\x8b\xcf\xb4\x61\x3c\xc3\xa9\x97\xff\x15\x79" "\xed\xbd\x4a\xde\x80\x20\xe3\xad\x00\x1b\x07\x2b\x1a\x75\x1b\x58\x8a\xc4" "\x63\x9f\x35\xa5\x8e\x00\xa5\x0c\x02\x70\x60\x8c\x7a\x7f\x10\x13\x2b\x1c" "\x25\xb9\xd6\x6e\xbb\xc8\xba\xb4\xea\x81\x23\x2f\xbe\xf6\x65\xf6\x21\x2f" "\x87\x5b\x2a\x00\x00\x00\x00\x00\x00\x00\xac\xeb\x11\x1b\x66\xa5\x00\xca" "\x52\xfd\x8f\x84\x80\x88\xc6\x7e\xe6\x5d\xfd\xcc\x4c\x58\x0e\x9b\xc1\x8c" "\x16\x99\xdc\xa0\x7d\x01\x9b\xf1\xbf\x9d\xd3\xda\x48\x0d\x6c\x15\x5d\x7e" "\x60\x67\x4c\xe8\x8a\xb5\xae\x07\xa9\xd1\x6e\x22\x79\x2d\x99\x98\x6b\x53" "\x1a\xb4\xe5\x92\xab\x59\x25\xda\x77\x9e\x70\x0c\xf2\x03\x09\xa2\x13\x78" "\x77\x69\x0d\xc5\xc0\x79\x56\xfc\x82\xd7\xb3\xbb\x46\xd3\x13\x80\x41\xaf" "\x18\x50\x89\x38\xc9\xbe\x4e\x5d\x0a\x98\x07\x34\x63\xa5\xcf\xf6\xc1\x46" "\xd0\x20\x74\x3d\xa4\x74\xcb\x81\x67\x7a\x6f\x38\x9f\x0e\x00\xc3\x3b\x70" "\xb7\xf8\xba\xb9\x54\x35\xc2\x71\x67\xf3\x65\xa2\x9f\xb0\x9c\xbf\x35\xbf" "\x19\x2f\x6a\x65\x61\x6f\xa2\xad\x9a\x6c\x7c\xa3\xa3\xec\xd9\x6a\xae\xcd" "\x99\x3e\x8b\xad\xb4\x0e\x7e\xb8\xa2\x2b\x00\x15\xe7\x0c\x88\x5c\xd5\x19" "\xe2\x84\x48\x16\x8c\x6d\x91\x42\x65\x99\x8b\xff\x74\xea\x1b\x0e\x65\x1a" "\x6c\xae\x94\x19\x09\x62\x48\xa0\xe4\x15\x73\x82\x7a\xd6\x0f\xaf\xce\x6e" "\x65\x40\x73\x4c\x1f\x23\xf7\x53\x37\xd8\x36\xc3\x14\x97\xe8\x11\x29\x69" "\xa0\x39\xd6\x5a\xa2\x97\xe2\xb0\x46\xb5\xf4\xd1\x11\x16\xa8\x9f\x9f\x65" "\x69\x3d\x4d\xc3\xe7\x0f\xbf\xe0\xb2\x04\x4f\xdb\x3f\x87\xe8\x87\xd1\xda" "\xae\x8e\x38\xa0\xc1\x9f\x66\x8f\x77\x6e\x19\xa0\x2b\xb2\x44\x9e\xe4\x38" "\x4f\x65\x36\x87\x9c\x85\xd7\xe4\x1b\xc0\x27\x6e\xe2\xb1\x25\xd4\x1f\xf3" "\x58\x32\x33\x11\x70\x3e\xc0\x1d\x64\xa5\x73\xbd\xeb\x75\xbd\xcc\x87\xd0" "\x1d\xe3\x83\x65\xab\x92\x22\x71\x3d\x2d\x16\x40\xa7\x42\xd6\x2f\xef\xb5" "\x40\x3b\x2e\xd9\x96\x9c\x32\xa0\x84\x1e\x8c\x36\xb0\x10\x7b\xb8\x88\xeb" "\x14\xac\x62\xe6\xd4\xbd\xfa\xeb\x9e\xe7\x43\x6b\x97\xbf\x38\x25\xa1\x9d" "\x6c\x89\x97\xce\x28\x5e\xdf\x1d\x27\x7e\xd7\x03\xf5\x60\x46\x04\x17\xbf" "\xe7\x02\xaf\x83\x3e\x83\xc5\xb9\x87\xbe\xfb\x6d\x1f\xcf\x76\x5a\xb7\xea" "\x53\x7d\x9d\xaf\xb6\x22\xa1\xba\x86\x86\xcb\x9b\x1c\x63\xb8\x44\x70\x36" "\x49\x42\xe9\x0d\x1c\xf8\x56\xce\xad\x86\x4f\x5e\x38\xc8\x3b\x9e\xd8\x6c" "\xc5\x72\x5a\x20\x29\x9c\xe5\x12\xb1\x65", 4078); *(uint64_t*)0x20000090 = 0x20000380; memcpy((void*)0x20000380, "GPL\000", 4); *(uint32_t*)0x20000098 = 0; *(uint32_t*)0x2000009c = 0; *(uint64_t*)0x200000a0 = 0; *(uint32_t*)0x200000a8 = 0; *(uint32_t*)0x200000ac = 0; memset((void*)0x200000b0, 0, 16); *(uint32_t*)0x200000c0 = 0; *(uint32_t*)0x200000c4 = 0; *(uint32_t*)0x200000c8 = -1; *(uint32_t*)0x200000cc = 8; *(uint64_t*)0x200000d0 = 0x20000000; *(uint32_t*)0x20000000 = 0; *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x200000d8 = 8; *(uint32_t*)0x200000dc = 0x10; *(uint64_t*)0x200000e0 = 0x20000000; *(uint32_t*)0x20000000 = 0; *(uint32_t*)0x20000004 = 0; *(uint32_t*)0x20000008 = 0; *(uint32_t*)0x2000000c = 0; *(uint32_t*)0x200000e8 = 0x10; *(uint32_t*)0x200000ec = 0; *(uint32_t*)0x200000f0 = -1; *(uint32_t*)0x200000f4 = 0; *(uint64_t*)0x200000f8 = 0; *(uint64_t*)0x20000100 = 0; *(uint32_t*)0x20000108 = 0x10; *(uint32_t*)0x2000010c = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x20000080ul, /*size=*/0x2eul); if (res != -1) r[2] = res; *(uint64_t*)0x20000080 = 0x20000040; memcpy((void*)0x20000040, "kmem_cache_free\000", 16); *(uint32_t*)0x20000088 = r[2]; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x20000080ul, /*size=*/0x10ul); } 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); for (procid = 0; procid < 5; procid++) { if (fork() == 0) { loop(); } } sleep(1000000); return 0; }