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41 lines
1.1 KiB
41 lines
1.1 KiB
3 years ago
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autofs-5.1.8 - fix loop under run in cache_get_offset_parent()
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From: Frank Sorenson <sorenson@redhat.com>
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To avoid reading memory outside of the the string
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allocated for parent, tail needs to stop when it
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reaches or passes parent, even if it doesn't
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actually equal parent.
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Signed-off-by: Frank Sorenson <sorenson@redhat.com>
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---
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CHANGELOG | 1 +
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lib/cache.c | 2 +-
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2 files changed, 2 insertions(+), 1 deletion(-)
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diff --git a/CHANGELOG b/CHANGELOG
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index aaf20cd6..b4b064ff 100644
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--- a/CHANGELOG
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+++ b/CHANGELOG
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@@ -6,6 +6,7 @@
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- fix fix root offset error handling.
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- fix nonstrict fail handling of last offset mount.
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- dont fail on duplicate offset entry tree add.
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+- fix loop under run in cache_get_offset_parent().
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19/10/2021 autofs-5.1.8
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- add xdr_exports().
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diff --git a/lib/cache.c b/lib/cache.c
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index 66dda5d9..8aed28ea 100644
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--- a/lib/cache.c
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+++ b/lib/cache.c
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@@ -710,7 +710,7 @@ struct mapent *cache_get_offset_parent(struct mapent_cache *mc, const char *key)
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*tail = 0;
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tail--;
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- if (tail == parent)
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+ if (tail <= parent)
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break;
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me = cache_lookup_distinct(mc, parent);
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