// https://syzkaller.appspot.com/bug?id=729e4916dabef2efe7f4b4ea31a476284cac9336 // 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 #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 void use_temporary_dir(void) { char tmpdir_template[] = "./syzkaller.XXXXXX"; char* tmpdir = mkdtemp(tmpdir_template); if (!tmpdir) exit(1); if (chmod(tmpdir, 0777)) exit(1); if (chdir(tmpdir)) exit(1); } #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)))) 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; } #define FS_IOC_SETFLAGS _IOW('f', 2, long) static void remove_dir(const char* dir) { int iter = 0; DIR* dp = 0; const int umount_flags = MNT_FORCE | UMOUNT_NOFOLLOW; retry: while (umount2(dir, umount_flags) == 0) { } dp = opendir(dir); if (dp == NULL) { if (errno == EMFILE) { exit(1); } exit(1); } struct dirent* ep = 0; while ((ep = readdir(dp))) { if (strcmp(ep->d_name, ".") == 0 || strcmp(ep->d_name, "..") == 0) continue; char filename[FILENAME_MAX]; snprintf(filename, sizeof(filename), "%s/%s", dir, ep->d_name); while (umount2(filename, umount_flags) == 0) { } struct stat st; if (lstat(filename, &st)) exit(1); if (S_ISDIR(st.st_mode)) { remove_dir(filename); continue; } int i; for (i = 0;; i++) { if (unlink(filename) == 0) break; if (errno == EPERM) { int fd = open(filename, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno != EBUSY || i > 100) exit(1); if (umount2(filename, umount_flags)) exit(1); } } closedir(dp); for (int i = 0;; i++) { if (rmdir(dir) == 0) break; if (i < 100) { if (errno == EPERM) { int fd = open(dir, O_RDONLY); if (fd != -1) { long flags = 0; if (ioctl(fd, FS_IOC_SETFLAGS, &flags) == 0) { } close(fd); continue; } } if (errno == EROFS) { break; } if (errno == EBUSY) { if (umount2(dir, umount_flags)) exit(1); continue; } if (errno == ENOTEMPTY) { if (iter < 100) { iter++; goto retry; } } } exit(1); } } 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"); if (symlink("/dev/binderfs", "./binderfs")) { } } static void execute_one(void); #define WAIT_FLAGS __WALL static void loop(void) { int iter = 0; for (;; iter++) { char cwdbuf[32]; sprintf(cwdbuf, "./%d", iter); if (mkdir(cwdbuf, 0777)) exit(1); int pid = fork(); if (pid < 0) exit(1); if (pid == 0) { if (chdir(cwdbuf)) exit(1); setup_test(); execute_one(); exit(0); } int status = 0; uint64_t start = current_time_ms(); for (;;) { sleep_ms(10); if (waitpid(-1, &status, WNOHANG | WAIT_FLAGS) == pid) break; if (current_time_ms() - start < 5000) continue; kill_and_wait(pid, &status); break; } remove_dir(cwdbuf); } } 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)) { } // bpf$PROG_LOAD arguments: [ // cmd: const = 0x5 (8 bytes) // arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] { // bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, // bpf_btf_id[opt], fd_bpf_prog[opt]] { // type: bpf_prog_type = 0x11 (4 bytes) // ninsn: bytesize8 = 0x8 (4 bytes) // insns: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {62 0a f8 ff 0c 20 00 21 bf a1 00 00 00 00 00 // 00 07 01 00 00 f8 ff ff ff b7 02 00 00 03 00 00 00 bd 12 00 00 // 00 00 00 00 85 00 00 00 06 00 00 00 b7 00 00 00 00 00 00 00 95 // 00 00 00 00 00 00 00 3f af 4f 1e 7f 2a a3 d9 b1 8e d8 1c 0c 86 // 9b 51 ec 6c 0a f4 e0 e4 a9 44 6c 76 70 56 89 82 b4 e0 20 f6 98 // 39 3a a0 f3 88 1f 9c 24 aa 56 f1 51 99 fa d0 09 3c 59 d6 6b 5e // ce 9f 36 c7 0d 0f 13 90 5e a2 3c 22 62 4c 9f 87 f9 79 3f 50 bb // 54 60 40 67 7b 0c 50 77 da 80 fb 98 2c 1e 94 00 e6 93 14 6c ea // 48 4a 41 5b 76 96 61 18 b6 4f 75 1a 0f 24 1b 07 08 00 08 00 2d // 75 59 3a 28 6c ec c9 3e 64 c2 27 c9 5a a0 b7 84 62 57 04 f0 7a // 72 c2 34 66 4c 0a f9 36 0a 1f 7a 5e 6b 60 71 30 c8 9f 18 c0 c1 // 08 9d 8b 85 32 89 e0 1a a2 7a e8 b0 9e 00 e7 9a b2 0b 0b 8e 11 // 48 f4 9f af 2a d0 00 00 00 00 00 00 00 6f a0 3c 64 68 97 20 89 // b3 02 d7 bf 60 23 cd ce db 5e 01 25 eb bc 08 de e5 10 cb 23 64 // 14 92 15 10 83 33 71 9a cd 97 cf a1 07 d4 02 24 ed c5 46 5a 93 // 2b 77 e7 4e 80 2a 0d 42 bc 60 99 ad 23 00 00 00 80 00 6e f6 c1 // ff 09 00 00 00 00 00 00 10 c6 3a 94 9e 8b 79 55 39 4f fa 82 b8 // e9 42 c8 91 12 f4 ab 87 b1 bf ed a7 be 58 66 02 d9 85 43 0c ea // 01 62 ab 3f cf 45 91 c9 26 ab fb 07 67 19 23 02 00 00 00 b0 ee // a2 44 92 a6 60 58 3e ec b4 2c bc d3 de 3a 83 20 9d a1 7a 0f af // 60 fd 6a d9 b9 7a a5 fa 68 48 03 66 c9 c6 fd 6f a5 04 3a a3 92 // 6b 81 e3 b5 9c 95 c2 5a 57 3d c2 ed ca ea 2b 1a 52 49 6d fc af // 99 43 14 12 fd 13 4a 99 63 82 a1 a0 4d 5b b9 24 cf e5 f3 18 54 // 18 d6 05 ff ff 9c 4d 2e c7 c3 2f 20 95 e6 3c 80 af f9 fa 74 0b // 5b 76 32 f3 20 30 91 6f 89 c6 da d7 60 3f 2b a2 a7 90 d6 2d 6f // ae c2 fe d4 4d a4 92 8b 30 14 2b a1 1d e6 c5 d5 0b 83 ba e6 13 // 40 22 16 b5 05 4d 1e 7c 13 b1 35 5d 6f 4a 82 45 ff a4 99 7d a9 // c7 7a f4 c0 eb 97 fc a5 85 ec 6b f5 af 51 d5 64 be b6 d9 52 aa // b9 c7 07 64 b0 a8 a7 58 3c 90 b3 43 3b 80 9b db 9f bd 48 bc 87 // 34 95 cb ff 8a 32 6e ea 31 ae 4e 0f 75 05 eb f6 c9 d1 33 30 ca // 00 5a ce 1a 84 52 1f 14 51 8c 9b 47 6f cc bd 6c 71 20 16 21 98 // 48 62 4b 87 ce c2 db e9 82 23 a0 eb 4f a3 9f 6b 5c 02 e6 d6 d9 // 07 56 ff 57 90 2a 8f 57 00 00 00 00 97 00 cf 0b 4b 8b c2 29 41 // 33 00 00 00 00 00 00 00 00 00 03 00 00 00 00 00 00 00 00 00 00 // 00 00 00 10 00 8b c0 d9 55 97 11 e6 e8 86 1c 46 49 5b a5 85 a4 // b2 d0 2e dc 3e 28 dd 27 1c 89 62 49 ed 85 b9 80 68 0b 00 00 2b // 43 5a c1 5f c0 28 8d 9b 2a 16 9c dc ac c4 13 03 8d af b7 a2 c8 // cb 48 2b ac 0a c5 02 d9 ba 96 ff ff ff 7f 00 00 10 00 00 00 00 // 00 00 7d 5a d8 97 ef 3b 7c da 42 01 3d 53 04 6d a2 1b 40 21 6e // 14 ba 2d 6a d5 65 6b ff f1 7a dd ae da b2 5b 30 00 2a bb ba 7f // a7 25 f3 84 00 be 7c 1f 00 1b 2c d3 17 90 2f 19 e3 85 be 9e 48 // dc cf f7 29 43 32 82 83 06 89 da 6b 53 b2 63 33 98 63 29 77 71 // 42 9d 12 00 00 00 33 41 bf 4a ba ca c9 59 00 fc a0 49 3c f2 9b // 33 dc c9 ff ff ff ff ff ff ff d3 9f ec 22 71 ff 01 58 96 46 ef // d1 cf 87 0c d7 bb 23 66 fd e4 1f 94 29 0c 2a 5f f8 70 ce 41 fd // 34 67 de cb 05 cf d9 fc b3 2c 8e d1 db d9 d1 0a 64 c1 08 3d 5e // 71 b5 56 5b 17 68 ee 58 96 9c 41 59 52 29 df 17 bc ad 70 fb 40 // 21 42 8c e9 70 27 5d 13 b7 81 00 78 8f 11 f7 61 61 d4 6e a3 ab // e0 fa 4d 30 dc 94 ef 24 18 75 f3 b4 ce 02 32 fc ea 69 c2 71 d7 // fa 29 82 2a ea 68 a6 60 e7 17 a0 4b ec ff 0f 71 91 97 72 4f 4f // ce 10 93 b6 2d 7e 8c 71 23 d8 ec 57 1b e5 4c 72 d9 78 cf 90 6d // f0 04 2e 36 ac d3 7d 7f 9e 11 9f 2c 06 f8 15 31 2e 0c fe 22 2a // 06 f5 6d d0 22 c0 74 eb 8a 32 2f b0 bf 47 c0 a8 d1 54 b4 05 c3 // 7f ea f3 dd 95 f6 ef 2a e5 82 78 61 05 c7 df 8b e5 87 70 50 c9 // 13 01 bb 99 73 16 db f1 78 66 fb 84 d4 17 37 31 ef e8 95 ff 2e // 1c 55 60 92 6e 90 10 9b 59 85 02 d3 e9 59 ef c7 1f 66 5c 4d 75 // cf 24 58 e3 54 6c 1c 77 6d a6 4f b5 ab ee 0a cf d2 35 f2 f4 63 // 2c 90 62 ec e8 4c 99 a0 61 88 7a 20 63 9b 41 c8 c1 2e e8 6c 50 // 80 40 42 b3 fb 5a ac 51 8a 75 f9 e7 d7 10 1d 5e 18 6c 48 9b 3a // 06 fb 99 e0 aa 7f 23 a0 54 de 2f 4d 92 d6 bd 72 ee 2c 9f dc 75 // aa af 1e 3e 48 3b 4a d0 55 73 af 40 32 69 93 94 7d 9a 63 1b cb // f3 58 37 84 ac bd a2 16 55 0d 7a ec 6b 79 e3 0c bd 12 8f 54 c2 // d3 33 54 57 ac f3 73 31 76 6e 47 23 91 e3 58 c3 b3 77 32 7a c9 // ec c3 4f 24 c9 ae 15 3e c6 0a c0 69 4d c5 5b ff 9f 5f 45 f9 04 // 00 00 00 00 00 00 00 d6 b2 c5 ea 13 93 fd f2 42 85 bf 16 b9 9c // 9c c0 ad 18 57 21 6f 1a 98 5f 36 91 91 ae 95 4f eb b3 df 46 4b // fe 0f 7f 3e e9 af e7 be fb 89 d2 77 73 99 f5 87 4c 55 3a eb 37 // 29 cf fe 86 e6 69 64 ae 09 bb 6d 16 31 18 e4 cb e0 24 fd 45 00 // f8 ff 07 00 00 00 00 cc 9d 80 46 c2 16 c1 f8 95 77 8c b2 51 22 // a2 a9 f9 b4 44 ae ad ea 2a 40 da 8d ac cf 08 08 42 a4 86 72 17 // 37 39 0c bf 3a 74 cb 20 03 01 6f 15 14 21 6b df 57 d2 a4 0d 40 // b5 1a b6 3e 96 ec 84 85 b3 b8 a8 c9 ae 3d 14 f9 31 00 c2 e0 89 // 38 62 ee f5 52 fc de 29 81 f4 8c 48 2b de 8a 16 8c 3f 5d b2 fe // a6 f2 6e 4a 43 04 e5 0c 34 9f 4f 9e ce e2 7d ef c9 38 71 c5 f9 // 9b 35 5b 72 d5 38 ba 49 58 ea 8e 4a a3 70 94 19 1e 10 09 6e 7e // 60 fc 35 41 a2 c9 05 a1 a9 5e 95 71 bf 38 ae 19 81 c4 23 8e ca // ee 6f 75 cd 0a 68 81 bd 15 17 a8 25 0d dc 86 74 15 2f 94 e3 a4 // 09 e2 a3 bc e1 09 b6 00 00 00 00 00 00 00 00 d6 d5 21 0d 75 03 // 00 00 00 a8 7a 27 60 2b 81 f7 63 86 f1 53 5b ef 14 97 f9 21 86 // 08 6e 29 c6 bc 5a 1f ad 6e c9 a3 11 37 ab f9 a4 04 ab de 77 50 // 89 8b 1b d6 27 e8 73 f8 70 3b e8 67 2d 70 d1 ab 57 07 52 28 a9 // f4 6e d9 bd 1f 08 fb 81 91 bb ab 2d c5 1d e3 a6 1f 08 68 af c4 // 29 48 59 32 3e 6c 25 7a 45 31 9f 18 10 12 88 d1 39 bd 3d a2 0f // ed 05 a8 fe 64 68 0b 0a 3f c2 2d d7 04 00 00 00 00 94 69 12 d6 // c9 8c d1 a9 fb e1 e7 d5 8c 08 ac af 30 23 5b 91 8a 31 d2 ec a5 // 5f 74 a2 36 41 f6 1f 2d 5b 30 8c f0 d0 31 b0 c7 f0 ce d6 99 93 // e9 96 0f f5 f7 60 15 e6 00 95 56 23 7b ad f4 e7 96 5b be 27 77 // e8 08 fc ba 82 1a a8 e8 c5 c3 96 09 ff 85 43 52 cb 49 00 00 00 // 00 00 00 00 00 00 00 00 00 00 c1 fe e3 0a 3f 7a 85 d1 b2 9e 58 // c7 76 85 ef c0 ce b1 c8 e5 72 9c 66 41 8d 16 9f c0 3a a1 88 54 // 6b 3a d2 a1 82 06 8e 1e 3a 0e 25 05 bc 7f 41 01 96 45 46 6a 53 // f1 c9 6e 0d 4b 3b c1 9f aa 54 49 20 9b 08 3d bd 33 4b 47 f0 67 // bb ab 40 74 3b 2a 42 01 00 82 00 8d f7 5c f4 3f 8e cc 8d 37 26 // 60 21 11 b4 0e 76 1f d2 10 81 92 03 82 f1 4d 12 ca 3c 34 31 ee // 97 47 1c 78 68 dc da 7e aa 69 eb 7f 7f 80 57 2f dd 11 bb 1d 0d // 12 80 fb c2 2b f7 34 68 78 8d f5 17 10 d7 d3 1c 63 2f c5 ed 17 // 62 eb 0b 42 8e e7 51 c4 7d 8e 89 4f 74 5a 86 84 04 a0 bf 35 f0 // 12 10 08 b7 22 b1 ea a6 ae df a1 bf 2e 7c cb 2d 61 d5 d7 63 31 // 94 5e ce fa 26 b8 47 1d 42 64 52 88 d7 22 6b bd 9c cd 62 8a b8 // 48 75 f2 c5 0b a8 91 ce a5 92 b0 43 0a 53 7a 39 5d c7 3b da 36 // 7b f1 2c b7 d8 16 91 a5 fe 8c 47 be 39 56 56 a2 97 e9 df 0e 71 // f9 67 56 ea 5c ce 7d aa c4 be 29 01 59 f6 bc d7 5f 0d da 9d e5 // 53 2e 71 ae 9e 48 b0 ed 02 54 a8 31 00 00 00 00 f6 fb b8 69 60 // 4d 51 a3 6a 54 c8 32 e4 5b 25 69 dc 0d 90 b0 75 22 5f de 44 c4 // e0 97 31 71 ad 47 d6 b0 fd f9 74 3a f9 32 cd 6d b4 9a 47 61 38 // 08 ba d9 59 71 03 00 00 00 00 00 00 00 83 2d 0a 45 fa 42 42 e2 // 4c 7e 80 00 03 c9 e8 09 5e 02 98 5f 28 e6 78 f6 64 22 43 6f 94 // 9e 2a b8 f1 62 d7 e3 f8 55 e3 78 f4 a1 f4 0b 0c 6f b2 d4 b2 05 // a8 00 b6 d7 13 ac eb c5 b0 14 e6 1a 54 3a 5a 19 4f 9a c1 8d 76 // b5 44 0e 3b 1a 56 9e 73 97 f6 ca fa 86 96 6d 7b a1 9e 72 04 13 // 26 7a 6c ce a9 c4 39 67 1d 2c 68 0f 27 53 ca 18 4e ee b8 43 45 // 03 68 ac b4 38 3a 01 d2 5e b3 d1 e2 3e 0f 26 45 d1 cd fa 9f a4 // 10 63 2f 95 a5 f6 22 f8 51 c6 6e e7 e3 03 93 cd 7a 4d 67 ff 2a // 49 c4 f9 3c 09 84 b5 c2 d4 52 34 97 e4 d6 4f 95 f0 84 93 56 4a // 1d f8 71 11 c9 bf 31 94 fe f9 7d ce cc 46 7a ce 45 fe eb 68 5c // 58 70 d0 5f 88 a0 f4 63 db 88 d3 77 44 2e 13 49 ac af 76 62 18 // b5 4a 9d 62 47 78 e1 c4 e0 64 c9 8e 49 41 98 27 6e b2 df 77 66 // 41 1b ef 0e bb 50 00 00 00 00 00 60 65 d6 35 b0 b7 a0 0e e7 67 // 22 1d 8a f9 75 33 87 e0 cd 8d 71 8f 54 a2 9d f6 eb a3 bd 4c 44 // 0e 6e 21 72 e3 fc c0 1b 8b ab b7 57 b5 c5 92 17 b8 0d 0d b3 ba // 58 28 14 a6 04 e4 ef 7a 80 3e 9c a7 c8 5b 35 c9 b9 3a 9e 08 85 // e2 38 b4 4a e1 c2 e6 4c ce 3b 27 08 3b 82 46 82 9e 64 05 60 00 // 30 2b ff ff 15 40 5b d5 f2 eb a2 00 00 00 00 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 9a 98 23 fd 8f bc 5a a1 65 09 94 5e d0 // 32 b4 8e a1 2d 8e 05 88 dc 52 70 2e 40 84 91 3a 06 d4 68 d0 92 // 8b ad 76 d6 97 e1 f8 5a b0 30 e7 88 d3 87 88 ee 5b 54 28 d4 a9 // 71 cc 97 db 9f d2 31 08 8e 57 07 35 ce 12 9e 7e 77 fc 27 77 69 // 26 64 a1 48 8f d8 d6 df f4 da d6 18 fd 54 f5 29 d4 55 5c 65 07 // 00 9e e6 9d d1 bc 55 25 87 89 b2 40 52 13 7e 96 37 f3 ef ba b7 // 17 20 f8 8c 3c 44 b3 b7 48 6f 97 9e 8a 31 74 b5 31 f5 73 fe 0e // 52 39 c0 00 be 27 33 c4 95 46 f6 e8 a9 17 5e c6 f1 4d bf 72 ca // c9 16 43 b2 fd 99 c2 9e ca 28 a3 c2 e6 0d 5e 5b 87 95 fa e1 6a // 7c 3e a5 7e 72 8e ca 35 ea f0 15 5a 39 f9 75 80 e0 79 17 54 26 // c0 88 a0 20 80 40 98 2a 00 00 00 00 00 00 00 00 00 00 00 00 00 // 51 ce aa f0 15 9f e6 1f 2e ad e7 60 3d 0a 7a 56 fb 09 cd 11 9a // c0 6a db 65 97 15 5a e4 78 46 89 2b b4 23 c0 24 d8 cb e9 24 0b // 71 ec 6d c2 12 4d 3a 19 e2 d7 14 b2 73 d9 5d 1d 3a a7 37 cb 04 // a3 36 15 ff 2a 73 0e 51 06 7d 5d 67 5d 71 22 36 1c 37 c6 1a 43 // b5 af d8 65 b6 0d 4c ae 89 1b 73 22 0f 17 d2 59 85 a7 f7 68 34 // 99 5e 53 a9 3a 1c 7b 9e ef 26 7d f6 91 ca 98 3a 0b 15 bd a7 f6 // c5 c1 ca 7a a5 02 61 a3 08 9a 1e bf 07 34 c9 b0 7e 89 51 ff 02 // 32 63 ad 5a ed 8c fb 49 b4 9e 12 8c 69 77 24 c0 57 d2 2c 5d f5 // ae f2 7c e3 db 11 d5 ad 55 27 d1 49 d0 76 e1 a8 7e 2d f2 7c 0c // b8 a6 7a d0 26 bf 95 3e 88 f1 04 47 e1 25 c2 c0 f1 ae be e1 f3 // 39 0a 9e 3d da d4 e2 a6 e0 f6 e4 56 9f de fa 19 e8 70 e0 4a cf // 94 93 b9 63 f9 8e 23 cf c6 65 e4 f4 65 fa 3f 80 1e 19 57 c3 99 // e4 5f 61 d3 45 9b 1c 60 62 04 36 8b b9 31 34 5a f2 82 3c 48 7d // 2f d9 9d b6 ea 6e 00 8e 7f fa 06 ca 86 15 51 18 9d 15 5b d0 77 // a7 9f e2 c7 e9 61 35 2e 56 82 4f 72 7d 21 d4 1e ae 78 bf ec 4a // 2d 7a 7e db c8 ef 95 8c 5e a5 99 f7 c2 5b f7 1c 23 40 55 8a a1 // 2f dd 24 a8 8a aa d5 92 1a ee 7d ae 6a 2f 30 09 d9 cb 43 ab 48 // 98 d0 f0 aa 56 54 31 b6 ab e5 85 d7 5d b0 4d 1c 9b a0 b9 de 4a // e8 b0 d3 13 2b c6 81 0c c9 a6 93 97 9f 55 17 4a 72 e1 df 9f de // f3 5b c4 70 f9 e6 e5 91 98 27 57 f4 5c 52 c6 45 d8 91 bf 63 bb // 21 fb 66 92 6e be 1a 85 25 61 1f c3 e8 bb 87 95 c3 6d c2 a8 6b // 5a b4 6f f3 3c c7 4f 61 75 1b 2d ae 92 67 6d b8 5c 8d 0c 72 1b // 7e a4 54 4b f5 1c 95 c8 6f ca c1 f4 34 d0 9d 1e e4 92 8a af e2 // 3d e6 6f ed 97 2e 0d dd fb 33 f6 4e 48 70 1b 04 92 39 e7 f5 52 // d8 16 44 1d 11 c4 c2 64 7c 01 44 62 34 43 59 19 8d 97 c4 b6 e9 // ed 31 ca 18 98 7b 64 de 07 9b 2b ed 64 1e 8a 92 f1 3c a7 08 44 // c6 5c b4 23 d0 19 50 b0 eb f4 4b d2 8e 09 c0 5d 9a e5 dd 68 9f // b8 80 fb 18 d0 42 21 9f 5a c6 0c 3a 03 b0 85 ab f3 e8 e3 ef c8 // 42 a8 d3 28 73 34 61 f0 4c 99 60 70 61 c6 5e d1 4c 61 32 2a 5a // c2 d3 71 a9 5b 8a d8 67 ec 92 d1 3a 4f a4 ae 03 3a 09 67 38 66 // cd 77 f4 bc da aa 05 20 71 66 b1 9a 87 58 d8 85 54 00 d8 c6 a7 // 24 2d c2 07 25 1e 87 97 ec a2 4e a4 f4 87 66 3e 60 f2 f5 e1 f1 // 42 49 58 fd 14 8f 84 68 30 e8 8a 42 d9 3e 1f e9 c0 b4 a4 a2 68 // 92 17 38 93 8a a9 f3 cb 38 11 ac 87 c5 4c 8e bc 8b cf b4 61 3c // c3 a9 97 ff 15 79 ed bd 4a de 80 20 e3 ad 00 1b 07 2b 1a 75 1b // 58 8a c4 63 9f 35 a5 8e 00 a5 0c 02 70 60 8c 7a 7f 10 13 2b 1c // 25 b9 ea 81 23 2f be f6 65 f6 21 2f 87 5b 2a 00 00 00 00 00 00 // 00 00 00 00 00 00 00 00 cf 7b 6c 4b a9 be c1 53 d6 83 4b fe f0 // 80 df 37 47 03 a8 ff 56 a6 3e c1 fe 5f 2e 05 a7 9e 3c ac e7 28 // 3d d6 8d 41 e9 44 20 c3 25 fe 4d ae 14 4f de 5e c2 5a 87 d6 25 // ca b2 07 53 a7 7b 32 3f a3 78 3c 8b 67 58 59 b9 01 26 47 88 5a // 24 2a df ee 2f e8 12 ec be 51 91 e0 a1 51 42 f7 34 9e 76 27 cc // 39 d7 24 e2 e3 4e 7a 24 15 4f 26 ae 31 25 b3 6d 05 04 96 52 95 // d0 45 39 02 ac 70 79 b1 1a 3a 1e 65 5e 48 23 31 e3 dc 35 b2 e7 // e4 e3 ea 99 06 4f e5 b9 c8 ae 0c a3 e5 fd 65 3f 32 86 a9 9d 81 // ce 4e ba 76 5c 38 d0 97 39 1a d4 ba ba c3 8c e5 b4 34 4e 24 a3 // 61 cd 54 e5} (length 0xec2) // } // } // } // license: ptr[in, buffer] { // buffer: {47 50 4c 00} (length 0x4) // } // loglev: int32 = 0x0 (4 bytes) // logsize: len = 0x0 (4 bytes) // log: nil // kern_version: bpf_kern_version = 0x0 (4 bytes) // flags: bpf_prog_load_flags = 0x0 (4 bytes) // prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type: // union bpf_prog_attach_types { // fallback: bpf_attach_types = 0x0 (4 bytes) // } // btf_fd: fd_btf (resource) // func_info_rec_size: const = 0x8 (4 bytes) // func_info: ptr[in, bpf_func_info] { // bpf_func_info { // insn_off: int32 = 0x0 (4 bytes) // type_id: int32 = 0x0 (4 bytes) // } // } // func_info_cnt: len = 0x8 (4 bytes) // line_info_rec_size: const = 0x10 (4 bytes) // line_info: ptr[in, bpf_line_info] { // bpf_line_info { // insn_off: int32 = 0x0 (4 bytes) // file_name_off: int32 = 0x0 (4 bytes) // line_off: int32 = 0x0 (4 bytes) // line_col: int32 = 0x0 (4 bytes) // } // } // line_info_cnt: len = 0x10 (4 bytes) // attach_btf_id: bpf_btf_id (resource) // attach_prog_fd: fd_bpf_prog (resource) // core_relo_cnt: len = 0x0 (4 bytes) // fd_array: nil // core_relos: nil // core_relo_rec_size: const = 0x10 (4 bytes) // log_true_size: int32 = 0x0 (4 bytes) // prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_prog_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_pad_wrapper { // value: const = 0x0 (4 bytes) // } // } // } // size: len = 0x2e (8 bytes) // ] // returns fd_bpf_prog *(uint32_t*)0x200000000080 = 0x11; *(uint32_t*)0x200000000084 = 8; *(uint64_t*)0x200000000088 = 0x200000003900; memcpy( (void*)0x200000003900, "\x62\x0a\xf8\xff\x0c\x20\x00\x21\xbf\xa1\x00\x00\x00\x00\x00\x00\x07\x01" 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"\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\x72\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\xea\x81\x23\x2f\xbe\xf6\x65\xf6\x21\x2f\x87\x5b\x2a\x00\x00\x00" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xcf\x7b\x6c\x4b\xa9\xbe\xc1" "\x53\xd6\x83\x4b\xfe\xf0\x80\xdf\x37\x47\x03\xa8\xff\x56\xa6\x3e\xc1\xfe" "\x5f\x2e\x05\xa7\x9e\x3c\xac\xe7\x28\x3d\xd6\x8d\x41\xe9\x44\x20\xc3\x25" "\xfe\x4d\xae\x14\x4f\xde\x5e\xc2\x5a\x87\xd6\x25\xca\xb2\x07\x53\xa7\x7b" "\x32\x3f\xa3\x78\x3c\x8b\x67\x58\x59\xb9\x01\x26\x47\x88\x5a\x24\x2a\xdf" "\xee\x2f\xe8\x12\xec\xbe\x51\x91\xe0\xa1\x51\x42\xf7\x34\x9e\x76\x27\xcc" "\x39\xd7\x24\xe2\xe3\x4e\x7a\x24\x15\x4f\x26\xae\x31\x25\xb3\x6d\x05\x04" "\x96\x52\x95\xd0\x45\x39\x02\xac\x70\x79\xb1\x1a\x3a\x1e\x65\x5e\x48\x23" "\x31\xe3\xdc\x35\xb2\xe7\xe4\xe3\xea\x99\x06\x4f\xe5\xb9\xc8\xae\x0c\xa3" "\xe5\xfd\x65\x3f\x32\x86\xa9\x9d\x81\xce\x4e\xba\x76\x5c\x38\xd0\x97\x39" "\x1a\xd4\xba\xba\xc3\x8c\xe5\xb4\x34\x4e\x24\xa3\x61\xcd\x54\xe5", 3778); *(uint64_t*)0x200000000090 = 0x200000000380; memcpy((void*)0x200000000380, "GPL\000", 4); *(uint32_t*)0x200000000098 = 0; *(uint32_t*)0x20000000009c = 0; *(uint64_t*)0x2000000000a0 = 0; *(uint32_t*)0x2000000000a8 = 0; *(uint32_t*)0x2000000000ac = 0; memset((void*)0x2000000000b0, 0, 16); *(uint32_t*)0x2000000000c0 = 0; *(uint32_t*)0x2000000000c4 = 0; *(uint32_t*)0x2000000000c8 = -1; *(uint32_t*)0x2000000000cc = 8; *(uint64_t*)0x2000000000d0 = 0x200000000000; *(uint32_t*)0x200000000000 = 0; *(uint32_t*)0x200000000004 = 0; *(uint32_t*)0x2000000000d8 = 8; *(uint32_t*)0x2000000000dc = 0x10; *(uint64_t*)0x2000000000e0 = 0x200000000000; *(uint32_t*)0x200000000000 = 0; *(uint32_t*)0x200000000004 = 0; *(uint32_t*)0x200000000008 = 0; *(uint32_t*)0x20000000000c = 0; *(uint32_t*)0x2000000000e8 = 0x10; *(uint32_t*)0x2000000000ec = 0; *(uint32_t*)0x2000000000f0 = -1; *(uint32_t*)0x2000000000f4 = 0; *(uint64_t*)0x2000000000f8 = 0; *(uint64_t*)0x200000000100 = 0; *(uint32_t*)0x200000000108 = 0x10; *(uint32_t*)0x20000000010c = 0; *(uint32_t*)0x200000000110 = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x200000000080ul, /*size=*/0x2eul); if (res != -1) r[0] = res; // bpf$BPF_RAW_TRACEPOINT_OPEN arguments: [ // cmd: const = 0x11 (8 bytes) // arg: ptr[in, bpf_raw_tracepoint] { // bpf_raw_tracepoint { // name: ptr[in, buffer] { // buffer: {72 63 75 5f 75 74 69 6c 69 7a 61 74 69 6f 6e 00} (length // 0x10) // } // prog_fd: fd_bpf_prog_raw_tracepoint (resource) // pad: const = 0x0 (4 bytes) // cookie: int64 = 0x0 (8 bytes) // } // } // size: len = 0x10 (8 bytes) // ] // returns fd_perf_base *(uint64_t*)0x200000000180 = 0x200000000540; memcpy((void*)0x200000000540, "rcu_utilization\000", 16); *(uint32_t*)0x200000000188 = r[0]; *(uint32_t*)0x20000000018c = 0; *(uint64_t*)0x200000000190 = 0; syscall(__NR_bpf, /*cmd=*/0x11ul, /*arg=*/0x200000000180ul, /*size=*/0x10ul); // perf_event_open arguments: [ // attr: ptr[in, perf_event_attr] { // perf_event_attr { // type: perf_event_type = 0x2 (4 bytes) // size: len = 0x80 (4 bytes) // config0: int8 = 0xed (1 bytes) // config1: int8 = 0x0 (1 bytes) // config2: int8 = 0x0 (1 bytes) // config3: int8 = 0x0 (1 bytes) // config4: const = 0x0 (4 bytes) // sample_freq: int64 = 0x0 (8 bytes) // sample_type: perf_sample_type = 0x0 (8 bytes) // read_format: perf_read_format = 0x0 (8 bytes) // disabled: int64 = 0x0 (0 bytes) // inherit: int64 = 0x0 (0 bytes) // pinned: int64 = 0x0 (0 bytes) // exclusive: int64 = 0x0 (0 bytes) // exclude_user: int64 = 0x0 (0 bytes) // exclude_kernel: int64 = 0x0 (0 bytes) // exclude_hv: int64 = 0x0 (0 bytes) // exclude_idle: int64 = 0x0 (0 bytes) // mmap: int64 = 0x0 (0 bytes) // comm: int64 = 0x0 (0 bytes) // freq: int64 = 0x0 (0 bytes) // inherit_stat: int64 = 0x0 (0 bytes) // enable_on_exec: int64 = 0x0 (0 bytes) // task: int64 = 0x0 (0 bytes) // watermark: int64 = 0x0 (0 bytes) // precise_ip: int64 = 0x0 (0 bytes) // mmap_data: int64 = 0x0 (0 bytes) // sample_id_all: int64 = 0x0 (0 bytes) // exclude_host: int64 = 0x0 (0 bytes) // exclude_guest: int64 = 0x0 (0 bytes) // exclude_callchain_kernel: int64 = 0x0 (0 bytes) // exclude_callchain_user: int64 = 0x0 (0 bytes) // mmap2: int64 = 0x0 (0 bytes) // comm_exec: int64 = 0x0 (0 bytes) // use_clockid: int64 = 0x0 (0 bytes) // context_switch: int64 = 0x0 (0 bytes) // write_backward: int64 = 0x0 (0 bytes) // namespaces: int64 = 0x0 (0 bytes) // ksymbol: int64 = 0x0 (0 bytes) // bpf_event: int64 = 0x0 (0 bytes) // aux_output: int64 = 0x0 (0 bytes) // cgroup: int64 = 0x0 (0 bytes) // text_poke: int64 = 0x0 (0 bytes) // build_id: int64 = 0x0 (0 bytes) // inherit_thread: int64 = 0x0 (0 bytes) // remove_on_exec: int64 = 0x0 (0 bytes) // sigtrap: int64 = 0x0 (0 bytes) // __reserved_1: const = 0x0 (8 bytes) // wakeup_events: int32 = 0x0 (4 bytes) // bp_type: perf_bp_type = 0x0 (4 bytes) // bp_config: union perf_bp_config { // perf_bp: perf_bp { // bp_addr: nil // bp_len: perf_bp_lens = 0xa (8 bytes) // } // } // branch_sample_type: perf_branch_sample_type = 0x104101 (8 bytes) // sample_regs_user: int64 = 0x4 (8 bytes) // sample_stack_user: int32 = 0x0 (4 bytes) // clockid: clock_type = 0x1 (4 bytes) // sample_regs_intr: int64 = 0x0 (8 bytes) // aux_watermark: int32 = 0x0 (4 bytes) // sample_max_stack: int16 = 0x1 (2 bytes) // __reserved_2: const = 0x0 (2 bytes) // aux_sample_size: int32 = 0x0 (4 bytes) // __reserved_3: const = 0x0 (4 bytes) // sig_data: int64 = 0x0 (8 bytes) // } // } // pid: pid (resource) // cpu: intptr = 0x1 (8 bytes) // group: fd_perf (resource) // flags: perf_flags = 0x0 (8 bytes) // ] // returns fd_perf *(uint32_t*)0x200000000040 = 2; *(uint32_t*)0x200000000044 = 0x80; *(uint8_t*)0x200000000048 = 0xed; *(uint8_t*)0x200000000049 = 0; *(uint8_t*)0x20000000004a = 0; *(uint8_t*)0x20000000004b = 0; *(uint32_t*)0x20000000004c = 0; *(uint64_t*)0x200000000050 = 0; *(uint64_t*)0x200000000058 = 0; *(uint64_t*)0x200000000060 = 0; STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 0, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 1, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 2, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 3, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 4, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 5, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 6, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 7, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 8, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 9, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 10, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 11, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 12, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 13, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 14, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 15, 2); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 17, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 18, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 19, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 20, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 21, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 22, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 23, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 24, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 25, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 26, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 27, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 28, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 29, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 30, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 31, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 32, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 33, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 34, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 35, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 36, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 37, 1); STORE_BY_BITMASK(uint64_t, , 0x200000000068, 0, 38, 26); *(uint32_t*)0x200000000070 = 0; *(uint32_t*)0x200000000074 = 0; *(uint64_t*)0x200000000078 = 0; *(uint64_t*)0x200000000080 = 0xa; *(uint64_t*)0x200000000088 = 0x104101; *(uint64_t*)0x200000000090 = 4; *(uint32_t*)0x200000000098 = 0; *(uint32_t*)0x20000000009c = 1; *(uint64_t*)0x2000000000a0 = 0; *(uint32_t*)0x2000000000a8 = 0; *(uint16_t*)0x2000000000ac = 1; *(uint16_t*)0x2000000000ae = 0; *(uint32_t*)0x2000000000b0 = 0; *(uint32_t*)0x2000000000b4 = 0; *(uint64_t*)0x2000000000b8 = 0; res = syscall(__NR_perf_event_open, /*attr=*/0x200000000040ul, /*pid=*/0, /*cpu=*/1ul, /*group=*/(intptr_t)-1, /*flags=*/0ul); if (res != -1) r[1] = res; // bpf$PROG_LOAD arguments: [ // cmd: const = 0x5 (8 bytes) // arg: ptr[in, bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], fd_bpf_prog[opt]]] { // bpf_prog_t[flags[bpf_prog_type, int32], bpf_prog_attach_types, // bpf_btf_id[opt], fd_bpf_prog[opt]] { // type: bpf_prog_type = 0x5 (4 bytes) // ninsn: bytesize8 = 0x5 (4 bytes) // insns: ptr[inout, array[ANYUNION]] { // array[ANYUNION] { // union ANYUNION { // ANYBLOB: buffer: {18 08 00 00 00 00 00 00 00 00 00 00 00 00 00 // 00 18 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 95} (length // 0x21) // } // } // } // license: ptr[in, buffer] { // buffer: {73 79 7a 6b 61 6c 6c 65 72 00} (length 0xa) // } // loglev: int32 = 0x0 (4 bytes) // logsize: len = 0x0 (4 bytes) // log: nil // kern_version: bpf_kern_version = 0x0 (4 bytes) // flags: bpf_prog_load_flags = 0x48 (4 bytes) // prog_name: buffer: {00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00} // (length 0x10) prog_ifindex: ifindex (resource) expected_attach_type: // union bpf_prog_attach_types { // fallback: bpf_attach_types = 0x0 (4 bytes) // } // btf_fd: fd_btf (resource) // func_info_rec_size: const = 0x0 (4 bytes) // func_info: nil // func_info_cnt: len = 0x0 (4 bytes) // line_info_rec_size: const = 0x0 (4 bytes) // line_info: nil // line_info_cnt: len = 0x0 (4 bytes) // attach_btf_id: bpf_btf_id (resource) // attach_prog_fd: fd_bpf_prog (resource) // core_relo_cnt: len = 0x0 (4 bytes) // fd_array: nil // core_relos: nil // core_relo_rec_size: const = 0x0 (4 bytes) // log_true_size: int32 = 0x0 (4 bytes) // prog_token_fd: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_prog_token_fd_wrapper { // void: buffer: {} (length 0x0) // } // pad: union _bpf_prog_t[flags[bpf_prog_type, int32], // bpf_prog_attach_types, bpf_btf_id[opt], // fd_bpf_prog[opt]]_pad_wrapper { // value: const = 0x0 (4 bytes) // } // } // } // size: len = 0x94 (8 bytes) // ] // returns fd_bpf_prog *(uint32_t*)0x2000000018c0 = 5; *(uint32_t*)0x2000000018c4 = 5; *(uint64_t*)0x2000000018c8 = 0x200000000180; memcpy((void*)0x200000000180, "\x18\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x18" "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x95", 33); *(uint64_t*)0x2000000018d0 = 0x200000000280; memcpy((void*)0x200000000280, "syzkaller\000", 10); *(uint32_t*)0x2000000018d8 = 0; *(uint32_t*)0x2000000018dc = 0; *(uint64_t*)0x2000000018e0 = 0; *(uint32_t*)0x2000000018e8 = 0; *(uint32_t*)0x2000000018ec = 0x48; memset((void*)0x2000000018f0, 0, 16); *(uint32_t*)0x200000001900 = 0; *(uint32_t*)0x200000001904 = 0; *(uint32_t*)0x200000001908 = 0; *(uint32_t*)0x20000000190c = 0; *(uint64_t*)0x200000001910 = 0; *(uint32_t*)0x200000001918 = 0; *(uint32_t*)0x20000000191c = 0; *(uint64_t*)0x200000001920 = 0; *(uint32_t*)0x200000001928 = 0; *(uint32_t*)0x20000000192c = 0; *(uint32_t*)0x200000001930 = 0; *(uint32_t*)0x200000001934 = 0; *(uint64_t*)0x200000001938 = 0; *(uint64_t*)0x200000001940 = 0; *(uint32_t*)0x200000001948 = 0; *(uint32_t*)0x20000000194c = 0; *(uint32_t*)0x200000001950 = 0; res = syscall(__NR_bpf, /*cmd=*/5ul, /*arg=*/0x2000000018c0ul, /*size=*/0x94ul); if (res != -1) r[2] = res; // ioctl$PERF_EVENT_IOC_SET_BPF arguments: [ // fd: fd_perf (resource) // cmd: const = 0x40042408 (4 bytes) // prog: fd_bpf_prog (resource) // ] syscall(__NR_ioctl, /*fd=*/r[1], /*cmd=*/0x40042408, /*prog=*/r[2]); } int main(void) { syscall(__NR_mmap, /*addr=*/0x1ffffffff000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200000000000ul, /*len=*/0x1000000ul, /*prot=PROT_WRITE|PROT_READ|PROT_EXEC*/ 7ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); syscall(__NR_mmap, /*addr=*/0x200001000000ul, /*len=*/0x1000ul, /*prot=*/0ul, /*flags=MAP_FIXED|MAP_ANONYMOUS|MAP_PRIVATE*/ 0x32ul, /*fd=*/(intptr_t)-1, /*offset=*/0ul); const char* reason; (void)reason; for (procid = 0; procid < 4; procid++) { if (fork() == 0) { use_temporary_dir(); loop(); } } sleep(1000000); return 0; }