25 lines
886 B
Diff
25 lines
886 B
Diff
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commit e4e4fde51a309801af5eed72d3494cbf4b7737aa
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Author: Paul Eggert <eggert@cs.ucla.edu>
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Date: Tue Sep 18 15:02:10 2018 -0700
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Fix tzfile low-memory assertion failure
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[BZ #21716]
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* time/tzfile.c (__tzfile_read): Check for memory exhaustion
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when registering time zone abbreviations.
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diff --git a/time/tzfile.c b/time/tzfile.c
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index 2a385b92bcdefec0..ea6e94030392fc75 100644
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--- a/time/tzfile.c
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+++ b/time/tzfile.c
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@@ -410,7 +410,8 @@ __tzfile_read (const char *file, size_t extra, char **extrap)
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/* First "register" all timezone names. */
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for (i = 0; i < num_types; ++i)
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- (void) __tzstring (&zone_names[types[i].idx]);
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+ if (__tzstring (&zone_names[types[i].idx]) == NULL)
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+ goto ret_free_transitions;
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/* Find the standard and daylight time offsets used by the rule file.
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We choose the offsets in the types of each flavor that are
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