From f690d3fe3f65d9fc3abf49456bfb0bbf6f95063eee915a9d5aafde37f31bd78b Mon Sep 17 00:00:00 2001 From: "Dr. Werner Fink" Date: Tue, 29 Sep 2009 08:50:41 +0000 Subject: [PATCH] . OBS-URL: https://build.opensuse.org/package/show/Base:System/sysvinit?expand=0&rev=10 --- killproc-2.16.dif | 134 ++++++++++++++++++++++++++++++++++++++++++++-- sysvinit.changes | 6 +++ 2 files changed, 136 insertions(+), 4 deletions(-) diff --git a/killproc-2.16.dif b/killproc-2.16.dif index 9be8383..8e7ba3d 100644 --- a/killproc-2.16.dif +++ b/killproc-2.16.dif @@ -1,4 +1,130 @@ ---- .dummy -+++ .dummy 2009-08-19 12:18:39.181901099 +0200 -@@ -0,0 +1 @@ -+this is a dummy, remove if real changes are required +--- libinit.c ++++ libinit.c 2009-09-29 10:42:09.875428620 +0200 +@@ -446,9 +446,9 @@ static pid_t getpppid(const pid_t ppid) + goto out; + + if ((fp = open(proc(pid, "stat"), O_PROCMODE)) != -1) { +- xread(fp, buf, BUFSIZ); ++ ssize_t len = xread(fp, buf, BUFSIZ); + close(fp); +- if (sscanf(buf,"%*d %*s %*c %d %*d %*d", &pppid) != 1) ++ if (len <= 0 || sscanf(buf,"%*d %*s %*c %d %*d %*d", &pppid) != 1) + warn("can not read ppid for process %d!\n", ppid); + } + out: +@@ -591,10 +591,11 @@ int pidof (const char * inname, const ch + char ent[3]; + boolean thread; + ssize_t len; ++ + len = xread(fp,ent,3); + close(fp); + +- if (!len) ++ if (len <= 0) + continue; + + thread = (strncmp(ent, "0 ", 2) == 0); +@@ -682,6 +683,9 @@ int pidof (const char * inname, const ch + len = xread(fp, entry, PATH_MAX); + close(fp); + ++ if (len <= 0) ++ continue; ++ + /* Seek for a script not for a binary */ + if (!(scrpt = checkscripts(entry, root, len, d->d_name))) + continue; +@@ -713,7 +717,7 @@ int pidof (const char * inname, const ch + len = xread(fp, entry, PATH_MAX); + close(fp); + +- if (!len) ++ if (len <= 0) + continue; + + comm = index(entry, ' '); +@@ -764,7 +768,8 @@ int verify_pidfile (const char * pid_fil + const char * root, unsigned short flags, + const boolean ignore) + { +- int fp, cnt; ++ int fp; ++ ssize_t cnt; + boolean isscrpt = false; + pid_t pid; + char *swapname = NULL, *bufp; +@@ -789,11 +794,12 @@ int verify_pidfile (const char * pid_fil + } + + errno = 0; +- if ((cnt = xread (fp, buf, BUFSIZ)) < 0) { ++ cnt = xread(fp, buf, BUFSIZ); ++ close(fp); ++ if (cnt < 0) { + warn("Can not read pid file %s: %s\n", pid_file, strerror(errno)); + return -1; + } +- close(fp); + buf[cnt] = '\0'; + + bufp = buf; +@@ -847,10 +853,11 @@ int verify_pidfile (const char * pid_fil + char ent[3]; + boolean thread; + ssize_t len; ++ + len = xread(fp, ent, sizeof(ent)); + close(fp); + +- if (!len) ++ if (len <= 0) + goto out; + + thread = (strncmp(ent, "0 ", 2) == 0); +@@ -932,6 +939,9 @@ int verify_pidfile (const char * pid_fil + len = xread(fp, entry, PATH_MAX); + close(fp); + ++ if (len <= 0) ++ goto out; ++ + /* Seek for a script not for a binary */ + if (!(scrpt = checkscripts(entry, root, len, buf))) + goto out; /* Nothing found */ +@@ -951,7 +961,7 @@ int verify_pidfile (const char * pid_fil + len = xread(fp, entry, PATH_MAX); + close(fp); + +- if (!len) ++ if (len <= 0) + goto out; + + comm = index(entry, ' '); +@@ -1040,7 +1050,7 @@ int check_pids (const char * inname, con + len = xread(fp, ent, sizeof(ent)); + close(fp); + +- if (!len) ++ if (len <= 0) + goto ignore; /* Bogus */ + + thread = (strncmp(ent, "0 ", 2) == 0); +@@ -1111,7 +1121,7 @@ int check_pids (const char * inname, con + len = xread(fp, entry, PATH_MAX); + close(fp); + +- if (!len) ++ if (len <= 0) + goto ignore; /* Bogus */ + + /* Seek for a script not for a binary */ +@@ -1131,7 +1141,7 @@ int check_pids (const char * inname, con + len = xread(fp, entry, PATH_MAX); + close(fp); + +- if (!len) ++ if (len <= 0) + goto ignore; /* Bogus */ + + comm = index(entry, ' '); diff --git a/sysvinit.changes b/sysvinit.changes index fefbf34..05c86f8 100644 --- a/sysvinit.changes +++ b/sysvinit.changes @@ -1,3 +1,9 @@ +------------------------------------------------------------------- +Tue Sep 29 10:48:03 CEST 2009 - werner@suse.de + +- Make killproc utils more stable in case that during read(2) a proc + file the corresponding process has already terminated (bnc#542717) + ------------------------------------------------------------------- Thu Aug 20 14:17:32 CEST 2009 - werner@suse.de