* [PATCH 2/2] Simplify tzfile fstat failure code
2018-09-09 15:26 [PATCH 1/2] Fix tzfile low-memory assertion failure Paul Eggert
@ 2018-09-09 15:26 ` Paul Eggert
0 siblings, 0 replies; 2+ messages in thread
From: Paul Eggert @ 2018-09-09 15:26 UTC (permalink / raw)
To: libc-alpha; +Cc: Paul Eggert
[BZ #21716]
* time/tzfile.c (__tzfile_read): Simplify slightly.
---
ChangeLog | 4 ++++
time/tzfile.c | 5 +----
2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/ChangeLog b/ChangeLog
index 6f95da9ce2..1b768dc17a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
2018-09-09 Paul Eggert <eggert@cs.ucla.edu>
+ Simplify tzfile fstat failure code
+ [BZ #21716]
+ * time/tzfile.c (__tzfile_read): Simplify slightly.
+
Fix tzfile low-memory assertion failure
[BZ #21716]
* time/tzfile.c (__tzfile_read): Check for memory exhaustion
diff --git a/time/tzfile.c b/time/tzfile.c
index ea6e940303..72ef75f074 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -168,10 +168,7 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
/* Get information about the file we are actually using. */
if (fstat64 (__fileno (f), &st) != 0)
- {
- fclose (f);
- goto ret_free_transitions;
- }
+ goto lose;
free ((void *) transitions);
transitions = NULL;
--
2.17.1
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH 1/2] Fix tzfile low-memory assertion failure
@ 2018-09-09 15:26 Paul Eggert
2018-09-09 15:26 ` [PATCH 2/2] Simplify tzfile fstat failure code Paul Eggert
0 siblings, 1 reply; 2+ messages in thread
From: Paul Eggert @ 2018-09-09 15:26 UTC (permalink / raw)
To: libc-alpha; +Cc: Paul Eggert
[BZ #21716]
* time/tzfile.c (__tzfile_read): Check for memory exhaustion
when registering time zone abbreviations.
---
ChangeLog | 7 +++++++
time/tzfile.c | 3 ++-
2 files changed, 9 insertions(+), 1 deletion(-)
diff --git a/ChangeLog b/ChangeLog
index 611caf9bd8..6f95da9ce2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2018-09-09 Paul Eggert <eggert@cs.ucla.edu>
+
+ Fix tzfile low-memory assertion failure
+ [BZ #21716]
+ * time/tzfile.c (__tzfile_read): Check for memory exhaustion
+ when registering time zone abbreviations.
+
2018-09-06 Stefan Liebler <stli@linux.ibm.com>
* sysdeps/s390/fpu/libm-test-ulps: Regenerated.
diff --git a/time/tzfile.c b/time/tzfile.c
index 2a385b92bc..ea6e940303 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -410,7 +410,8 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
/* First "register" all timezone names. */
for (i = 0; i < num_types; ++i)
- (void) __tzstring (&zone_names[types[i].idx]);
+ if (__tzstring (&zone_names[types[i].idx]) == NULL)
+ goto ret_free_transitions;
/* Find the standard and daylight time offsets used by the rule file.
We choose the offsets in the types of each flavor that are
--
2.17.1
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