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| author | Paul Eggert <eggert@cs.ucla.edu> | 2018-09-18 15:02:10 -0700 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2018-09-18 15:09:01 -0700 |
| commit | e4e4fde51a309801af5eed72d3494cbf4b7737aa (patch) | |
| tree | 40315a0935e9b7a4bd564eb6a8f2bc3885e5c61e /time/tzfile.c | |
| parent | d3a43e49f342c4663af0fff9d95000cfe26867c3 (diff) | |
| download | glibc-e4e4fde51a309801af5eed72d3494cbf4b7737aa.tar.gz glibc-e4e4fde51a309801af5eed72d3494cbf4b7737aa.tar.xz glibc-e4e4fde51a309801af5eed72d3494cbf4b7737aa.zip | |
Fix tzfile low-memory assertion failure
[BZ #21716] * time/tzfile.c (__tzfile_read): Check for memory exhaustion when registering time zone abbreviations.
Diffstat (limited to 'time/tzfile.c')
| -rw-r--r-- | time/tzfile.c | 3 |
1 files changed, 2 insertions, 1 deletions
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 |