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From bff38efe8c110469c5080d387bec62a6ca15b1a5 Mon Sep 17 00:00:00 2001
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From: obiwac <obiwac@gmail.com>
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Date: Fri, 22 Jul 2022 22:41:10 +0200
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Subject: [PATCH] libarchive: Handle a `calloc` returning NULL (fixes #1754)
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---
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libarchive/archive_write.c | 8 ++++++++
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1 file changed, 8 insertions(+)
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diff --git a/libarchive/archive_write.c b/libarchive/archive_write.c
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index 66592e82..27626b54 100644
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--- a/libarchive/archive_write.c
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+++ b/libarchive/archive_write.c
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@@ -201,6 +201,10 @@ __archive_write_allocate_filter(struct archive *_a)
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struct archive_write_filter *f;
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f = calloc(1, sizeof(*f));
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+
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+ if (f == NULL)
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+ return (NULL);
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+
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f->archive = _a;
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f->state = ARCHIVE_WRITE_FILTER_STATE_NEW;
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if (a->filter_first == NULL)
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@@ -548,6 +552,10 @@ archive_write_open2(struct archive *_a, void *client_data,
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a->client_data = client_data;
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client_filter = __archive_write_allocate_filter(_a);
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+
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+ if (client_filter == NULL)
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+ return (ARCHIVE_FATAL);
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+
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client_filter->open = archive_write_client_open;
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client_filter->write = archive_write_client_write;
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client_filter->close = archive_write_client_close;
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--
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2.37.3
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