diff options
Diffstat (limited to 'erts')
-rw-r--r-- | erts/doc/src/notes.xml | 48 | ||||
-rw-r--r-- | erts/emulator/beam/erl_db.c | 6 | ||||
-rw-r--r-- | erts/emulator/beam/erl_process.c | 4 | ||||
-rw-r--r-- | erts/epmd/src/epmd_srv.c | 6 | ||||
-rw-r--r-- | erts/etc/common/Makefile.in | 10 | ||||
-rw-r--r-- | erts/etc/common/dialyzer.c | 10 | ||||
-rw-r--r-- | erts/etc/common/erlc.c | 17 | ||||
-rw-r--r-- | erts/etc/common/erlexec.c | 42 | ||||
-rw-r--r-- | erts/etc/common/escript.c | 52 | ||||
-rw-r--r-- | erts/etc/common/heart.c | 9 | ||||
-rw-r--r-- | erts/etc/common/run_test.c | 19 | ||||
-rw-r--r-- | erts/etc/common/typer.c | 7 | ||||
-rw-r--r-- | erts/etc/unix/cerl.src | 10 | ||||
-rw-r--r-- | erts/lib_src/common/erl_misc_utils.c | 15 | ||||
-rw-r--r-- | erts/preloaded/ebin/init.beam | bin | 44348 -> 44856 bytes | |||
-rw-r--r-- | erts/preloaded/src/init.erl | 64 | ||||
-rw-r--r-- | erts/test/erlc_SUITE.erl | 16 |
17 files changed, 222 insertions, 113 deletions
diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index efe2dada9c..1703ce0942 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -30,6 +30,54 @@ </header> <p>This document describes the changes made to the ERTS application.</p> +<section><title>Erts 5.8.1.2</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> Fix that the documentation top index generator can + handle an Ericsson internal application group. </p> + <p> + Own Id: OTP-8875</p> + </item> + <item> + <p>In embedded mode, on_load handlers that called + <c>code:priv_dir/1</c> or other functions in <c>code</c> + would hang the system. Since the <c>crypto</c> + application now contains an on_loader handler that calls + <c>code:priv_dir/1</c>, including the <c>crypto</c> + application in the boot file would prevent the system + from starting.</p> + <p>Also extended the <c>-init_debug</c> option to print + information about on_load handlers being run to + facilitate debugging.</p> + <p> + Own Id: OTP-8902 Aux Id: seq11703 </p> + </item> + </list> + </section> + +</section> + +<section><title>Erts 5.8.1.1</title> + + <section><title>Fixed Bugs and Malfunctions</title> + <list> + <item> + <p> + Windows 2003 and Windows XP pre SP3 would sometimes not + start the Erlang R14B VM at all due to a bug in the cpu + topology detection. The bug affects Windows only, no + other platform is even remotely affected. The bug is now + corrected.</p> + <p> + Own Id: OTP-8876</p> + </item> + </list> + </section> + +</section> + <section><title>Erts 5.8.1</title> <section><title>Fixed Bugs and Malfunctions</title> diff --git a/erts/emulator/beam/erl_db.c b/erts/emulator/beam/erl_db.c index 52d5f86ee0..1c2c0fe4cb 100644 --- a/erts/emulator/beam/erl_db.c +++ b/erts/emulator/beam/erl_db.c @@ -2754,13 +2754,13 @@ void init_db(void) (sizeof(erts_meta_main_tab_lock_t) * (ERTS_META_MAIN_TAB_LOCK_TAB_SIZE+1))); - if ((((Uint) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) != 0) + if ((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) != 0) meta_main_tab_locks = ((erts_meta_main_tab_lock_t *) - ((((Uint) meta_main_tab_locks) + ((((UWord) meta_main_tab_locks) & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE)); - ASSERT((((Uint) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) == 0); + ASSERT((((UWord) meta_main_tab_locks) & ERTS_CACHE_LINE_MASK) == 0); for (i = 0; i < ERTS_META_MAIN_TAB_LOCK_TAB_SIZE; i++) { erts_smp_rwmtx_init_opt_x(&meta_main_tab_locks[i].rwmtx, &rwmtx_opt, diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c index 901167a315..b47ce97c46 100644 --- a/erts/emulator/beam/erl_process.c +++ b/erts/emulator/beam/erl_process.c @@ -2528,9 +2528,9 @@ erts_init_scheduling(int mrq, int no_schedulers, int no_schedulers_online) aligned_sched_sleep_info = erts_alloc(ERTS_ALC_T_SCHDLR_SLP_INFO, (sizeof(ErtsAlignedSchedulerSleepInfo) *(n+1))); - if ((((Uint) aligned_sched_sleep_info) & ERTS_CACHE_LINE_MASK) == 0) + if ((((UWord) aligned_sched_sleep_info) & ERTS_CACHE_LINE_MASK) == 0) aligned_sched_sleep_info = ((ErtsAlignedSchedulerSleepInfo *) - ((((Uint) aligned_sched_sleep_info) + ((((UWord) aligned_sched_sleep_info) & ~ERTS_CACHE_LINE_MASK) + ERTS_CACHE_LINE_SIZE)); for (ix = 0; ix < n; ix++) { diff --git a/erts/epmd/src/epmd_srv.c b/erts/epmd/src/epmd_srv.c index df4d1a5715..ef471a473a 100644 --- a/erts/epmd/src/epmd_srv.c +++ b/erts/epmd/src/epmd_srv.c @@ -39,8 +39,10 @@ * server keeps the socket open where the request for registration was * made. * - * The protocol is briefly documented in "erl_ext_dist.txt". All requests - * to this server are done with a packet + * The protocol is briefly documented in the ERTS User's Guide, see + * http://www.erlang.org/doc/apps/erts/erl_dist_protocol.html + * + * All requests to this server are done with a packet * * 2 n * +--------+---------+ diff --git a/erts/etc/common/Makefile.in b/erts/etc/common/Makefile.in index 96655662b8..e866511153 100644 --- a/erts/etc/common/Makefile.in +++ b/erts/etc/common/Makefile.in @@ -327,31 +327,31 @@ $(OBJDIR)/$(ERLEXEC).o: $(ERLEXECDIR)/$(ERLEXEC).c $(CC) -I$(EMUDIR) $(CFLAGS) -o $@ -c $(ERLEXECDIR)/$(ERLEXEC).c endif $(BINDIR)/erlc@EXEEXT@: $(OBJDIR)/erlc.o - $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) + $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/erlc.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) $(OBJDIR)/erlc.o: erlc.c $(CC) $(CFLAGS) -o $@ -c erlc.c $(BINDIR)/dialyzer@EXEEXT@: $(OBJDIR)/dialyzer.o - $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/dialyzer.o -L$(OBJDIR) $(LIBS) + $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/dialyzer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) $(OBJDIR)/dialyzer.o: dialyzer.c $(CC) $(CFLAGS) -o $@ -c dialyzer.c $(BINDIR)/typer@EXEEXT@: $(OBJDIR)/typer.o - $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) + $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/typer.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) $(OBJDIR)/typer.o: typer.c $(CC) $(CFLAGS) -o $@ -c typer.c $(BINDIR)/escript@EXEEXT@: $(OBJDIR)/escript.o - $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) + $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/escript.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) $(OBJDIR)/escript.o: escript.c $(CC) $(CFLAGS) -o $@ -c escript.c $(BINDIR)/run_test@EXEEXT@: $(OBJDIR)/run_test.o - $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/run_test.o -L$(OBJDIR) $(LIBS) + $(PURIFY) $(LD) $(LDFLAGS) -o $@ $(OBJDIR)/run_test.o -L$(OBJDIR) $(LIBS) $(ERTS_INTERNAL_LIBS) $(OBJDIR)/run_test.o: run_test.c $(CC) $(CFLAGS) -o $@ -c run_test.c diff --git a/erts/etc/common/dialyzer.c b/erts/etc/common/dialyzer.c index 4b4c1124f1..4453e63f1c 100644 --- a/erts/etc/common/dialyzer.c +++ b/erts/etc/common/dialyzer.c @@ -147,6 +147,9 @@ main(int argc, char** argv) env = get_env("DIALYZER_EMULATOR"); emulator = env ? env : get_default_emulator(argv[0]); + if (strlen(emulator) >= MAXPATHLEN) + error("Value of environment variable DIALYZER_EMULATOR is too large"); + /* * Allocate the argv vector to be used for arguments to Erlang. * Arrange for starting to pushing information in the middle of @@ -228,7 +231,7 @@ main(int argc, char** argv) static void push_words(char* src) { - char sbuf[1024]; + char sbuf[MAXPATHLEN]; char* dst; dst = sbuf; @@ -360,7 +363,7 @@ error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "dialyzer: %s\n", sbuf); exit(1); @@ -389,6 +392,9 @@ get_default_emulator(char* progname) char sbuf[MAXPATHLEN]; char* s; + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + strcpy(sbuf, progname); for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { diff --git a/erts/etc/common/erlc.c b/erts/etc/common/erlc.c index 09aca19e6c..cd137435d1 100644 --- a/erts/etc/common/erlc.c +++ b/erts/etc/common/erlc.c @@ -148,10 +148,6 @@ int main(int argc, char** argv) { char cwd[MAXPATHLEN]; /* Current working directory. */ - char** rpc_eargv; /* Pointer to the beginning of arguments - * if calling a running Erlang system - * via erl_rpc(). - */ int eargv_size; int eargc_base; /* How many arguments in the base of eargv. */ char* emulator; @@ -160,6 +156,9 @@ main(int argc, char** argv) env = get_env("ERLC_EMULATOR"); emulator = env ? env : get_default_emulator(argv[0]); + if (strlen(emulator) >= MAXPATHLEN) + error("Value of environment variable ERLC_EMULATOR is too large"); + /* * Allocate the argv vector to be used for arguments to Erlang. * Arrange for starting to pushing information in the middle of @@ -170,7 +169,7 @@ main(int argc, char** argv) * base of the eargv vector, and move it up later. */ - eargv_size = argc*4+100; + eargv_size = argc*6+100; eargv_base = (char **) emalloc(eargv_size*sizeof(char*)); eargv = eargv_base; eargc = 0; @@ -189,7 +188,6 @@ main(int argc, char** argv) PUSH2("-mode", "minimal"); PUSH2("-boot", "start_clean"); PUSH3("-s", "erl_compile", "compile_cmdline"); - rpc_eargv = eargv+eargc; /* * Push standard arguments to Erlang. @@ -419,7 +417,7 @@ process_opt(int* pArgc, char*** pArgv, int offset) static void push_words(char* src) { - char sbuf[1024]; + char sbuf[MAXPATHLEN]; char* dst; dst = sbuf; @@ -595,7 +593,7 @@ error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "erlc: %s\n", sbuf); exit(1); @@ -624,6 +622,9 @@ get_default_emulator(char* progname) char sbuf[MAXPATHLEN]; char* s; + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + strcpy(sbuf, progname); for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { diff --git a/erts/etc/common/erlexec.c b/erts/etc/common/erlexec.c index c1fc2aebee..6ec2c8b52c 100644 --- a/erts/etc/common/erlexec.c +++ b/erts/etc/common/erlexec.c @@ -309,7 +309,7 @@ free_env_val(char *value) } /* - * Add the arcitecture suffix to the program name if needed, + * Add the architecture suffix to the program name if needed, * except on Windows, where we insert it just before ".DLL". */ static char* @@ -560,7 +560,7 @@ int main(int argc, char **argv) usage("+MYm"); } emu = add_extra_suffixes(emu, emu_type); - sprintf(tmpStr, "%s" DIRSEP "%s" BINARY_EXT, bindir, emu); + erts_snprintf(tmpStr, sizeof(tmpStr), "%s" DIRSEP "%s" BINARY_EXT, bindir, emu); emu = strsave(tmpStr); add_Eargs(emu); /* Will be argv[0] -- necessary! */ @@ -571,12 +571,12 @@ int main(int argc, char **argv) s = get_env("PATH"); if (!s) { - sprintf(tmpStr, "%s" PATHSEP "%s" DIRSEP "bin", bindir, rootdir); + erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin", bindir, rootdir); } else if (strstr(s, bindir) == NULL) { - sprintf(tmpStr, "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir, + erts_snprintf(tmpStr, sizeof(tmpStr), "%s" PATHSEP "%s" DIRSEP "bin" PATHSEP "%s", bindir, rootdir, s); } else { - sprintf(tmpStr, "%s", s); + erts_snprintf(tmpStr, sizeof(tmpStr), "%s", s); } free_env_val(s); set_env("PATH", tmpStr); @@ -714,7 +714,7 @@ int main(int argc, char **argv) error("-man not supported on Windows"); #else argv[i] = "man"; - sprintf(tmpStr, "%s/man", rootdir); + erts_snprintf(tmpStr, sizeof(tmpStr), "%s/man", rootdir); set_env("MANPATH", tmpStr); execvp("man", argv+i); error("Could not execute the 'man' command."); @@ -1145,10 +1145,10 @@ start_epmd(char *epmd) if (!epmd) { epmd = epmd_cmd; #ifdef __WIN32__ - sprintf(epmd_cmd, "%s" DIRSEP "epmd", bindir); + erts_snprintf(epmd_cmd, sizeof(epmd_cmd), "%s" DIRSEP "epmd", bindir); arg1 = "-daemon"; #else - sprintf(epmd_cmd, "%s" DIRSEP "epmd -daemon", bindir); + erts_snprintf(epmd_cmd, sizeof(epmd_cmd), "%s" DIRSEP "epmd -daemon", bindir); #endif } #ifdef __WIN32__ @@ -1224,7 +1224,7 @@ void error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "erlexec: %s\n", sbuf); exit(1); @@ -1304,14 +1304,14 @@ static void get_start_erl_data(char *file) if (env) reldir = strsave(env); else { - sprintf(tmpbuffer, "%s/releases", rootdir); + erts_snprintf(tmpbuffer, sizeof(tmpbuffer), "%s/releases", rootdir); reldir = strsave(tmpbuffer); } free_env_val(env); if (file == NULL) - sprintf(start_erl_data, "%s/start_erl.data", reldir); + erts_snprintf(start_erl_data, sizeof(start_erl_data), "%s/start_erl.data", reldir); else - sprintf(start_erl_data, "%s", file); + erts_snprintf(start_erl_data, sizeof(start_erl_data), "%s", file); fp = _open(start_erl_data, _O_RDONLY ); if( fp == -1 ) error( "open failed on %s",start_erl_data ); @@ -1341,16 +1341,16 @@ static void get_start_erl_data(char *file) } bindir = emalloc(512); - sprintf(bindir,"%s/erts-%s/bin",rootdir,tmpbuffer); + erts_snprintf(bindir,512,"%s/erts-%s/bin",rootdir,tmpbuffer); /* BINDIR=$ROOTDIR/erts-$ERTS_VSN/bin */ tprogname = progname; progname = emalloc(strlen(tprogname) + 20); - sprintf(progname,"%s -start_erl",tprogname); + erts_snprintf(progname,strlen(tprogname) + 20,"%s -start_erl",tprogname); boot_script = emalloc(512); config_script = emalloc(512); - sprintf(boot_script, "%s/%s/start", reldir, otpstring); - sprintf(config_script, "%s/%s/sys", reldir, otpstring); + erts_snprintf(boot_script, 512, "%s/%s/start", reldir, otpstring); + erts_snprintf(config_script, 512, "%s/%s/sys", reldir, otpstring); } @@ -1358,7 +1358,7 @@ static void get_start_erl_data(char *file) static char *replace_filename(char *path, char *new_base) { int plen = strlen(path); - char *res = malloc((plen+strlen(new_base)+1)*sizeof(char)); + char *res = emalloc((plen+strlen(new_base)+1)*sizeof(char)); char *p; strcpy(res,path); @@ -1373,7 +1373,7 @@ static char *path_massage(char *long_path) { char *p; - p = malloc(MAX_PATH+1); + p = emalloc(MAX_PATH+1); strcpy(p, long_path); GetShortPathName(p, p, MAX_PATH); return p; @@ -1509,7 +1509,8 @@ get_parameters(int argc, char** argv) /* Determine bindir from absolute path to executable */ char *p; char buffer[PATH_MAX]; - strcpy(buffer, argv[0]); + strncpy(buffer, argv[0], sizeof(buffer)); + buffer[sizeof(buffer)-1] = '\0'; for (p = buffer+strlen(buffer)-1 ; p >= buffer && *p != '/'; --p) ; @@ -1522,7 +1523,8 @@ get_parameters(int argc, char** argv) /* Determine rootdir from absolute path to bindir */ char *p; char buffer[PATH_MAX]; - strcpy(buffer, bindir); + strncpy(buffer, bindir, sizeof(buffer)); + buffer[sizeof(buffer)-1] = '\0'; for (p = buffer+strlen(buffer)-1; p >= buffer && *p != '/'; --p) ; diff --git a/erts/etc/common/escript.c b/erts/etc/common/escript.c index 1bc5eb7651..6ed79c91e3 100644 --- a/erts/etc/common/escript.c +++ b/erts/etc/common/escript.c @@ -151,6 +151,9 @@ find_prog(char *origpath) char relpath[PMAX]; char abspath[PMAX]; + if (strlen(origpath) >= sizeof(relpath)) + error("Path too long"); + strcpy(relpath, origpath); if (strstr(relpath, DIRSEPSTR) == NULL) { @@ -180,19 +183,21 @@ find_prog(char *origpath) end = strstr(beg, PATHSEPSTR); if (end != NULL) { sz = end - beg; - strncpy(dir, beg, sz); - dir[sz] = '\0'; } else { sz = strlen(beg); - strcpy(dir, beg); look_for_sep = FALSE; } + if (sz >= sizeof(dir)) { + beg = end + 1; + continue; + } + strncpy(dir, beg, sz); + dir[sz] = '\0'; beg = end + 1; #ifdef __WIN32__ - strcpy(wildcard, dir); - strcat(wildcard, DIRSEPSTR); - strcat(wildcard, relpath); /* basename */ + erts_snprintf(wildcard, sizeof(wildcard), "%s" DIRSEPSTR "%s", + dir, relpath /* basename */); dir_handle = FindFirstFile(wildcard, &find_data); if (dir_handle == INVALID_HANDLE_VALUE) { /* Try next directory in path */ @@ -217,9 +222,8 @@ find_prog(char *origpath) if (strcmp(origpath, dirp->d_name) == 0) { /* Wow we found the executable. */ - strcpy(relpath, dir); - strcat(relpath, DIRSEPSTR); - strcat(relpath, dirp->d_name); + erts_snprintf(relpath, sizeof(relpath), "%s" DIRSEPSTR "%s", + dir, dirp->d_name); closedir(dp); look_for_sep = FALSE; break; @@ -291,7 +295,7 @@ append_shebang_args(char* scriptname) /* Find end of arg */ end = beg; - while (end && end[0] != ' ') { + while (end && end < (linebuf+LINEBUFSZ-1) && end[0] != ' ') { if (end[0] == '\n') { newline = TRUE; end[0]= '\0'; @@ -335,13 +339,16 @@ main(int argc, char** argv) emulator = get_default_emulator(argv[0]); } + if (strlen(emulator) >= PMAX) + error("Value of environment variable ESCRIPT_EMULATOR is too large"); + /* * Allocate the argv vector to be used for arguments to Erlang. * Arrange for starting to pushing information in the middle of * the array, to allow easy addition of commands in the beginning. */ - eargv_size = argc*4+1000; + eargv_size = argc*4+1000+LINEBUFSZ/2; eargv_base = (char **) emalloc(eargv_size*sizeof(char*)); eargv = eargv_base; eargc = 0; @@ -387,7 +394,8 @@ main(int argc, char** argv) if (argc <= 1) { error("Missing filename\n"); } - strcpy(scriptname, argv[1]); + strncpy(scriptname, argv[1], sizeof(scriptname)); + scriptname[sizeof(scriptname)-1] = '\0'; argc--; argv++; } else { @@ -395,16 +403,17 @@ main(int argc, char** argv) int len; #endif absname = find_prog(argv[0]); - strcpy(scriptname, absname); - efree(absname); #ifdef __WIN32__ - len = strlen(scriptname); - if (len >= 4 && _stricmp(scriptname+len-4, ".exe") == 0) { - scriptname[len-4] = '\0'; + len = strlen(absname); + if (len >= 4 && _stricmp(absname+len-4, ".exe") == 0) { + absname[len-4] = '\0'; } #endif - strcat(scriptname, ".escript"); + erts_snprintf(scriptname, sizeof(scriptname), "%s.escript", + absname); + efree(absname); + } /* @@ -455,7 +464,7 @@ main(int argc, char** argv) static void push_words(char* src) { - char sbuf[1024]; + char sbuf[PMAX]; char* dst; dst = sbuf; @@ -584,7 +593,7 @@ error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "escript: %s\n", sbuf); exit(1); @@ -619,6 +628,9 @@ get_default_emulator(char* progname) char sbuf[MAXPATHLEN]; char* s; + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + strcpy(sbuf, progname); for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { diff --git a/erts/etc/common/heart.c b/erts/etc/common/heart.c index 4f738947b7..3e19e5f386 100644 --- a/erts/etc/common/heart.c +++ b/erts/etc/common/heart.c @@ -375,7 +375,8 @@ main(int argc, char **argv) _setmode(erlin_fd,_O_BINARY); _setmode(erlout_fd,_O_BINARY); #endif - strcpy(program_name, argv[0]); + strncpy(program_name, argv[0], sizeof(program_name)); + program_name[sizeof(program_name)-1] = '\0'; notify_ack(erlout_fd); cmd[0] = '\0'; do_terminate(message_loop(erlin_fd,erlout_fd)); @@ -728,7 +729,11 @@ heart_cmd_reply(int fd, char *s) struct msg m; int len = strlen(s) + 1; /* Include \0 */ - /* FIXME if s >= MSG_BODY_SIZE error */ + /* if s >= MSG_BODY_SIZE, return a write + * failure immediately. + */ + if (len > sizeof(m.fill)) + return -1; m.op = HEART_CMD; m.len = htons(len + 2); /* Include Op */ diff --git a/erts/etc/common/run_test.c b/erts/etc/common/run_test.c index 016d9c6afd..042b8571ca 100644 --- a/erts/etc/common/run_test.c +++ b/erts/etc/common/run_test.c @@ -164,11 +164,13 @@ main(int argc, char** argv) erl_args = cnt; } else if (strcmp(argv[1], "-sname") == 0) { - strcpy(nodename, argv[2]); + strncpy(nodename, argv[2], sizeof(nodename)); + nodename[sizeof(nodename)-1] = '\0'; cnt++, argv++; } else if (strcmp(argv[1], "-name") == 0) { - strcpy(nodename, argv[2]); + strncpy(nodename, argv[2], sizeof(nodename)); + nodename[sizeof(nodename)-1] = '\0'; dist_mode = FULL_NAME; cnt++, argv++; } @@ -178,7 +180,8 @@ main(int argc, char** argv) ct_mode = VTS_MODE; } else if (strcmp(argv[1], "-browser") == 0) { - strcpy(browser, argv[2]); + strncpy(browser, argv[2], sizeof(browser)); + browser[sizeof(browser)-1] = '\0'; cnt++, argv++; } else if (strcmp(argv[1], "-shell") == 0) { @@ -189,7 +192,8 @@ main(int argc, char** argv) ct_mode = MASTER_MODE; } else if (strcmp(argv[1], "-ctname") == 0) { - strcpy(nodename, argv[2]); + strncpy(nodename, argv[2], sizeof(nodename)); + nodename[sizeof(nodename)-1] = '\0'; ct_mode = ERL_SHELL_MODE; cnt++, argv++; } @@ -273,7 +277,7 @@ main(int argc, char** argv) static void push_words(char* src) { - char sbuf[1024]; + char sbuf[MAXPATHLEN]; char* dst; dst = sbuf; @@ -405,7 +409,7 @@ error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "run_test: %s\n", sbuf); exit(1); @@ -434,6 +438,9 @@ get_default_emulator(char* progname) char sbuf[MAXPATHLEN]; char* s; + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + strcpy(sbuf, progname); for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { diff --git a/erts/etc/common/typer.c b/erts/etc/common/typer.c index c2567cb8b4..de48daf002 100644 --- a/erts/etc/common/typer.c +++ b/erts/etc/common/typer.c @@ -175,7 +175,7 @@ main(int argc, char** argv) static void push_words(char* src) { - char sbuf[1024]; + char sbuf[MAXPATHLEN]; char* dst; dst = sbuf; @@ -307,7 +307,7 @@ error(char* format, ...) va_list ap; va_start(ap, format); - vsprintf(sbuf, format, ap); + erts_vsnprintf(sbuf, sizeof(sbuf), format, ap); va_end(ap); fprintf(stderr, "typer: %s\n", sbuf); exit(1); @@ -336,6 +336,9 @@ get_default_emulator(char* progname) char sbuf[MAXPATHLEN]; char* s; + if (strlen(progname) >= sizeof(sbuf)) + return ERL_NAME; + strcpy(sbuf, progname); for (s = sbuf+strlen(sbuf); s >= sbuf; s--) { if (IS_DIRSEP(*s)) { diff --git a/erts/etc/unix/cerl.src b/erts/etc/unix/cerl.src index 9dab9fcfcc..73b1bafbe0 100644 --- a/erts/etc/unix/cerl.src +++ b/erts/etc/unix/cerl.src @@ -66,6 +66,7 @@ core= GDB= GDBBP= +GDBARGS= TYPE= EMU_TYPE= debug= @@ -280,16 +281,11 @@ else # Set annotation level for gdb in emacs 22 and higher. emacs_major=`$EMACS --version | head -1 | sed 's,^[^0-9]*\([0-9]*\).*,\1,g'` if [ '!' -z "$emacs_major" -a $emacs_major -gt 21 ]; then - # Hack - wait for etp-commands to be loaded and then set - # annotation level, could be done more beautifully than with sit-for... - gdbcmd="$gdbcmd \ - (sit-for 1) \ - (insert-string \"set annotate 3\") \ - (comint-send-input)" + GDBARGS="--annotate=3 " fi gdbcmd="$gdbcmd $GDBBP \ (insert-string \"source $ROOTDIR/erts/etc/unix/etp-commands\") \ (comint-send-input)" # Fire up gdb in emacs... - exec $EMACS --eval "(progn (gdb \"gdb $EMU\") $gdbcmd)" + exec $EMACS --eval "(progn (gdb \"gdb $GDBARGS$EMU\") $gdbcmd)" fi diff --git a/erts/lib_src/common/erl_misc_utils.c b/erts/lib_src/common/erl_misc_utils.c index 116c9886d8..498ce6837a 100644 --- a/erts/lib_src/common/erl_misc_utils.c +++ b/erts/lib_src/common/erl_misc_utils.c @@ -1228,7 +1228,10 @@ read_topology(erts_cpu_info_t *cpuinfo) nodes++; } - core_id = malloc(sizeof(int)*(packages ? packages : 1)); + if (!packages) { + packages = 1; + } + core_id = malloc(sizeof(int)*packages); if (!core_id) { res = -ENOMEM; goto error; @@ -1286,11 +1289,13 @@ read_topology(erts_cpu_info_t *cpuinfo) * Nodes and packages may not be supported; pretend * that there are one if this is the case... */ - if (!nodes) - cpuinfo->topology[l].node = 0; - if (!packages) - cpuinfo->topology[l].processor = 0; if (slpip[rix].ProcessorMask & (((ULONG_PTR) 1) << l)) { + if (!nodes) { + cpuinfo->topology[l].node = 0; + } + if (!packages) { + cpuinfo->topology[l].processor = 0; + } if (processor < 0) { processor = cpuinfo->topology[l].processor; if (processor < 0) { diff --git a/erts/preloaded/ebin/init.beam b/erts/preloaded/ebin/init.beam Binary files differindex f1b54b7fcb..c8d3b78b35 100644 --- a/erts/preloaded/ebin/init.beam +++ b/erts/preloaded/ebin/init.beam diff --git a/erts/preloaded/src/init.erl b/erts/preloaded/src/init.erl index 3b98b9cddc..3ab9a1cd6d 100644 --- a/erts/preloaded/src/init.erl +++ b/erts/preloaded/src/init.erl @@ -51,6 +51,9 @@ get_status/0,boot/1,get_arguments/0,get_plain_arguments/0, get_argument/1,script_id/0]). +%% for the on_load functionality; not for general use +-export([run_on_load_handlers/0]). + %% internal exports -export([fetch_loaded/0,ensure_loaded/1,make_permanent/2, notify_when_started/1,wait_until_started/0, @@ -308,24 +311,6 @@ boot_loop(BootPid, State) -> {stop,Reason} -> stop(Reason,State); {From,fetch_loaded} -> %% Fetch and reset initially loaded modules. - case whereis(?ON_LOAD_HANDLER) of - undefined -> - %% There is no on_load handler process, - %% probably because init:restart/0 has been - %% called and it is not the first time we - %% pass through here. - ok; - Pid when is_pid(Pid) -> - Pid ! run_on_load, - receive - {'EXIT',Pid,on_load_done} -> - ok; - {'EXIT',Pid,Res} -> - %% Failure to run an on_load handler. - %% This is fatal during start-up. - exit(Res) - end - end, From ! {init,State#state.loaded}, garb_boot_loop(BootPid,State#state{loaded = []}); {From,{ensure_loaded,Module}} -> @@ -736,6 +721,7 @@ do_boot(Init,Flags,Start) -> BootList = get_boot(BootFile,Root), LoadMode = b2a(get_flag('-mode',Flags,false)), Deb = b2a(get_flag('-init_debug',Flags,false)), + catch ?ON_LOAD_HANDLER ! {init_debug_flag,Deb}, BootVars = get_flag_args('-boot_var',Flags), ParallelLoad = (Pgm =:= "efile") and (erlang:system_info(thread_pool_size) > 0), @@ -1335,23 +1321,44 @@ archive_extension() -> %%% Support for handling of on_load functions. %%% +run_on_load_handlers() -> + Ref = monitor(process, ?ON_LOAD_HANDLER), + catch ?ON_LOAD_HANDLER ! run_on_load, + receive + {'DOWN',Ref,process,_,noproc} -> + %% There is no on_load handler process, + %% probably because init:restart/0 has been + %% called and it is not the first time we + %% pass through here. + ok; + {'DOWN',Ref,process,_,on_load_done} -> + ok; + {'DOWN',Ref,process,_,Res} -> + %% Failure to run an on_load handler. + %% This is fatal during start-up. + exit(Res) + end. + start_on_load_handler_process() -> register(?ON_LOAD_HANDLER, - spawn_link(fun on_load_handler_init/0)). + spawn(fun on_load_handler_init/0)). on_load_handler_init() -> - on_load_loop([]). + on_load_loop([], false). -on_load_loop(Mods) -> +on_load_loop(Mods, Debug0) -> receive + {init_debug_flag,Debug} -> + on_load_loop(Mods, Debug); {loaded,Mod} -> - on_load_loop([Mod|Mods]); + on_load_loop([Mod|Mods], Debug0); run_on_load -> - run_on_load_handlers(Mods), + run_on_load_handlers(Mods, Debug0), exit(on_load_done) end. -run_on_load_handlers([M|Ms]) -> +run_on_load_handlers([M|Ms], Debug) -> + debug(Debug, {running_on_load_handler,M}), Fun = fun() -> Res = erlang:call_on_load_function(M), exit(Res) @@ -1363,9 +1370,12 @@ run_on_load_handlers([M|Ms]) -> erlang:finish_after_on_load(M, Keep), case Keep of false -> - exit({on_load_function_failed,M}); + Error = {on_load_function_failed,M}, + debug(Debug, Error), + exit(Error); true -> - run_on_load_handlers(Ms) + debug(Debug, {on_load_handler_returned_ok,M}), + run_on_load_handlers(Ms, Debug) end end; -run_on_load_handlers([]) -> ok. +run_on_load_handlers([], _) -> ok. diff --git a/erts/test/erlc_SUITE.erl b/erts/test/erlc_SUITE.erl index 437f020f99..4797f78be2 100644 --- a/erts/test/erlc_SUITE.erl +++ b/erts/test/erlc_SUITE.erl @@ -21,13 +21,13 @@ %% Tests the erlc command by compiling various types of files. -export([all/1, compile_erl/1, compile_yecc/1, compile_script/1, - compile_mib/1, good_citizen/1, deep_cwd/1]). + compile_mib/1, good_citizen/1, deep_cwd/1, arg_overflow/1]). -include_lib("test_server/include/test_server.hrl"). all(suite) -> [compile_erl, compile_yecc, compile_script, compile_mib, - good_citizen, deep_cwd]. + good_citizen, deep_cwd, arg_overflow]. %% Copy from erlc_SUITE_data/include/erl_test.hrl. @@ -189,6 +189,18 @@ deep_cwd_1(PrivDir) -> ?line true = filelib:is_file("test.beam"), ok. +%% Test that a large number of command line switches does not +%% overflow the argument buffer +arg_overflow(Config) when is_list(Config) -> + ?line {SrcDir, _OutDir, Cmd} = get_cmd(Config), + ?line FileName = filename:join(SrcDir, "erl_test_ok.erl"), + ?line Args = lists:flatten([ ["-D", integer_to_list(N), "=1 "] || + N <- lists:seq(1,10000) ]), + ?line run(Config, Cmd, FileName, Args, + ["Warning: function foo/0 is unused\$", + "_OK_"]), + ok. + erlc() -> case os:find_executable("erlc") of false -> |