Fix some defects found by covscan

This commit is contained in:
Petr Kubat 2017-06-26 15:12:54 +02:00
parent 8047fa8580
commit 0b929f0f8b
3 changed files with 68 additions and 18 deletions

View File

@ -1,7 +1,29 @@
diff -up db-5.3.28/src/env/env_region.c.pthreads db-5.3.28/src/env/env_region.c diff -up db-5.3.28/src/dbinc_auto/int_def.in.pthreads_ppc db-5.3.28/src/dbinc_auto/int_def.in
--- db-5.3.28/src/env/env_region.c.pthreads 2017-06-19 08:48:19.362325045 +0200 --- db-5.3.28/src/dbinc_auto/int_def.in.pthreads_ppc 2017-06-26 15:06:09.282020804 +0200
+++ db-5.3.28/src/env/env_region.c 2017-06-19 08:49:38.910773653 +0200 +++ db-5.3.28/src/dbinc_auto/int_def.in 2017-06-26 15:06:22.238771039 +0200
@@ -305,15 +305,7 @@ user_map_functions: @@ -1572,6 +1572,7 @@
#define __os_strerror __os_strerror@DB_VERSION_UNIQUE_NAME@
#define __os_posix_err __os_posix_err@DB_VERSION_UNIQUE_NAME@
#define __os_fileid __os_fileid@DB_VERSION_UNIQUE_NAME@
+#define __check_lock_fn __check_lock_fn@DB_VERSION_UNIQUE_NAME@
#define __os_fdlock __os_fdlock@DB_VERSION_UNIQUE_NAME@
#define __os_fsync __os_fsync@DB_VERSION_UNIQUE_NAME@
#define __os_getenv __os_getenv@DB_VERSION_UNIQUE_NAME@
diff -up db-5.3.28/src/dbinc_auto/os_ext.h.pthreads_ppc db-5.3.28/src/dbinc_auto/os_ext.h
--- db-5.3.28/src/dbinc_auto/os_ext.h.pthreads_ppc 2017-06-26 15:05:23.792897700 +0200
+++ db-5.3.28/src/dbinc_auto/os_ext.h 2017-06-26 15:06:22.172772311 +0200
@@ -41,6 +41,7 @@ void __os_set_errno __P((int));
char *__os_strerror __P((int, char *, size_t));
int __os_posix_err __P((int));
int __os_fileid __P((ENV *, const char *, int, u_int8_t *));
+int __check_lock_fn __P((char *, pid_t));
int __os_fdlock __P((ENV *, DB_FH *, off_t, db_lockmode_t, int));
int __os_fsync __P((ENV *, DB_FH *));
int __os_getenv __P((ENV *, const char *, char **, size_t));
diff -up db-5.3.28/src/env/env_region.c.pthreads_ppc db-5.3.28/src/env/env_region.c
--- db-5.3.28/src/env/env_region.c.pthreads_ppc 2017-06-26 15:04:40.805726365 +0200
+++ db-5.3.28/src/env/env_region.c 2017-06-26 15:04:40.807726326 +0200
@@ -305,14 +305,6 @@ user_map_functions:
goto creation; goto creation;
} }
@ -13,10 +35,9 @@ diff -up db-5.3.28/src/env/env_region.c.pthreads db-5.3.28/src/env/env_region.c
- goto err; - goto err;
- } - }
- -
if (renv->majver != DB_VERSION_MAJOR || if (renv->majver != DB_VERSION_MAJOR ||
renv->minver != DB_VERSION_MINOR) { renv->minver != DB_VERSION_MINOR) {
/* /*
* Special case a region that's all nul bytes, just treat it
@@ -337,6 +329,20 @@ user_map_functions: @@ -337,6 +329,20 @@ user_map_functions:
goto err; goto err;
} }
@ -38,10 +59,10 @@ diff -up db-5.3.28/src/env/env_region.c.pthreads db-5.3.28/src/env/env_region.c
/* /*
* Check if the environment has had a catastrophic failure. * Check if the environment has had a catastrophic failure.
* *
diff -up db-5.3.28/src/os/os_flock.c.pthreads db-5.3.28/src/os/os_flock.c diff -up db-5.3.28/src/os/os_flock.c.pthreads_ppc db-5.3.28/src/os/os_flock.c
--- db-5.3.28/src/os/os_flock.c.pthreads 2017-06-19 08:48:19.362325045 +0200 --- db-5.3.28/src/os/os_flock.c.pthreads_ppc 2017-06-26 15:04:40.806726346 +0200
+++ db-5.3.28/src/os/os_flock.c 2017-06-19 08:48:19.364325006 +0200 +++ db-5.3.28/src/os/os_flock.c 2017-06-26 15:04:40.807726326 +0200
@@ -15,6 +15,67 @@ static int __os_filelocking_notsup __P(( @@ -15,6 +15,70 @@ static int __os_filelocking_notsup __P((
#endif #endif
/* /*
@ -51,6 +72,7 @@ diff -up db-5.3.28/src/os/os_flock.c.pthreads db-5.3.28/src/os/os_flock.c
+ * the lock has the same pid value as 'pid'. + * the lock has the same pid value as 'pid'.
+ * + *
+ * Returns 0 if a lock on fn is found, 1 if it is not found and -1 on error. + * Returns 0 if a lock on fn is found, 1 if it is not found and -1 on error.
+ * PUBLIC: int __check_lock_fn __P((char *, pid_t));
+ */ + */
+ +
+int __check_lock_fn(fn, pid) +int __check_lock_fn(fn, pid)
@ -60,7 +82,7 @@ diff -up db-5.3.28/src/os/os_flock.c.pthreads db-5.3.28/src/os/os_flock.c
+ FILE* fp; + FILE* fp;
+ char buffer[PATH_MAX]; + char buffer[PATH_MAX];
+ char *token; + char *token;
+ int i, fd, inode; + int i, inode;
+ struct stat st; + struct stat st;
+ pid_t lpid = 0; + pid_t lpid = 0;
+ +
@ -72,8 +94,10 @@ diff -up db-5.3.28/src/os/os_flock.c.pthreads db-5.3.28/src/os/os_flock.c
+ return -1; + return -1;
+ +
+ /* Get the file's inode */ + /* Get the file's inode */
+ if (stat(fn, &st)) + if (stat(fn, &st)) {
+ fclose(fp);
+ return -1; + return -1;
+ }
+ +
+ while (fgets(buffer, sizeof(buffer), fp)) + while (fgets(buffer, sizeof(buffer), fp))
+ for (token = strtok(buffer, " "), i = 0; token; token = strtok(NULL, " "), i++) { + for (token = strtok(buffer, " "), i = 0; token; token = strtok(NULL, " "), i++) {

View File

@ -1,6 +1,28 @@
diff -up db-5.3.28/src/dbinc_auto/int_def.in.rpmlock db-5.3.28/src/dbinc_auto/int_def.in
--- db-5.3.28/src/dbinc_auto/int_def.in.rpmlock 2017-06-26 15:09:17.883356255 +0200
+++ db-5.3.28/src/dbinc_auto/int_def.in 2017-06-26 15:09:27.421170401 +0200
@@ -1573,6 +1573,7 @@
#define __os_posix_err __os_posix_err@DB_VERSION_UNIQUE_NAME@
#define __os_fileid __os_fileid@DB_VERSION_UNIQUE_NAME@
#define __check_lock_fn __check_lock_fn@DB_VERSION_UNIQUE_NAME@
+#define __rpm_lock_free __rpm_lock_free@DB_VERSION_UNIQUE_NAME@
#define __os_fdlock __os_fdlock@DB_VERSION_UNIQUE_NAME@
#define __os_fsync __os_fsync@DB_VERSION_UNIQUE_NAME@
#define __os_getenv __os_getenv@DB_VERSION_UNIQUE_NAME@
diff -up db-5.3.28/src/dbinc_auto/os_ext.h.rpmlock db-5.3.28/src/dbinc_auto/os_ext.h
--- db-5.3.28/src/dbinc_auto/os_ext.h.rpmlock 2017-06-26 15:09:21.940277203 +0200
+++ db-5.3.28/src/dbinc_auto/os_ext.h 2017-06-26 15:09:27.354171707 +0200
@@ -42,6 +42,7 @@ char *__os_strerror __P((int, char *, si
int __os_posix_err __P((int));
int __os_fileid __P((ENV *, const char *, int, u_int8_t *));
int __check_lock_fn __P((char *, pid_t));
+int __rpm_lock_free __P((ENV *));
int __os_fdlock __P((ENV *, DB_FH *, off_t, db_lockmode_t, int));
int __os_fsync __P((ENV *, DB_FH *));
int __os_getenv __P((ENV *, const char *, char **, size_t));
diff -up db-5.3.28/src/env/env_region.c.rpmlock db-5.3.28/src/env/env_region.c diff -up db-5.3.28/src/env/env_region.c.rpmlock db-5.3.28/src/env/env_region.c
--- db-5.3.28/src/env/env_region.c.rpmlock 2017-06-19 09:53:42.727715374 +0200 --- db-5.3.28/src/env/env_region.c.rpmlock 2017-06-26 15:09:12.479461558 +0200
+++ db-5.3.28/src/env/env_region.c 2017-06-19 09:55:28.195688220 +0200 +++ db-5.3.28/src/env/env_region.c 2017-06-26 15:09:12.481461519 +0200
@@ -291,18 +291,23 @@ user_map_functions: @@ -291,18 +291,23 @@ user_map_functions:
if (create_ok && if (create_ok &&
ret == DB_OLD_VERSION && ret == DB_OLD_VERSION &&
@ -37,15 +59,16 @@ diff -up db-5.3.28/src/env/env_region.c.rpmlock db-5.3.28/src/env/env_region.c
if (renv->majver != DB_VERSION_MAJOR || if (renv->majver != DB_VERSION_MAJOR ||
diff -up db-5.3.28/src/os/os_flock.c.rpmlock db-5.3.28/src/os/os_flock.c diff -up db-5.3.28/src/os/os_flock.c.rpmlock db-5.3.28/src/os/os_flock.c
--- db-5.3.28/src/os/os_flock.c.rpmlock 2017-06-19 09:52:49.418740004 +0200 --- db-5.3.28/src/os/os_flock.c.rpmlock 2017-06-26 15:09:12.480461538 +0200
+++ db-5.3.28/src/os/os_flock.c 2017-06-19 09:53:16.428220866 +0200 +++ db-5.3.28/src/os/os_flock.c 2017-06-26 15:09:12.481461519 +0200
@@ -70,6 +70,34 @@ int __check_lock_fn(fn, pid) @@ -79,6 +79,35 @@ int __check_lock_fn(fn, pid)
} }
/* /*
+ * __rpm_lock_free -- + * __rpm_lock_free --
+ * Try to look at a lock used by rpm to see if libdb is being + * Try to look at a lock used by rpm to see if libdb is being
+ * updated and it is safe to access its environment files. + * updated and it is safe to access its environment files.
+ * PUBLIC: int __rpm_lock_free __P((ENV *));
+ */ + */
+ +
+#define RPM_PATH SHAREDSTATEDIR "/rpm" +#define RPM_PATH SHAREDSTATEDIR "/rpm"

View File

@ -4,7 +4,7 @@
Summary: The Berkeley DB database library for C Summary: The Berkeley DB database library for C
Name: libdb Name: libdb
Version: 5.3.28 Version: 5.3.28
Release: 23%{?dist} Release: 24%{?dist}
Source0: http://download.oracle.com/berkeley-db/db-%{version}.tar.gz Source0: http://download.oracle.com/berkeley-db/db-%{version}.tar.gz
Source1: http://download.oracle.com/berkeley-db/db.1.85.tar.gz Source1: http://download.oracle.com/berkeley-db/db.1.85.tar.gz
# For mt19937db.c # For mt19937db.c
@ -446,6 +446,9 @@ rm -rf ${RPM_BUILD_ROOT}
%{_libdir}/libdb_java.so %{_libdir}/libdb_java.so
%changelog %changelog
* Mon Jun 26 2017 Petr Kubat <pkubat@redhat.com> - 5.3.28-24
- Fix some defects found by covscan
* Mon Jun 26 2017 Petr Kubat <pkubat@redhat.com> - 5.3.28-23 * Mon Jun 26 2017 Petr Kubat <pkubat@redhat.com> - 5.3.28-23
- Try looking at env lock via /proc/locks during env_attach (#1460003) - Try looking at env lock via /proc/locks during env_attach (#1460003)
- Check rpm's transaction lock via /proc/locks - Check rpm's transaction lock via /proc/locks