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28 lines
923 B
28 lines
923 B
commit ea536a2e641664c8ea439e5e571e757785f587c9
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Author: Zhi Li <yieli@redhat.com>
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Date: Mon Oct 24 13:31:41 2022 -0400
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mount.nfs: fix NULL pointer derefernce in nfs_parse_square_bracket
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In function nfs_parse_square_bracket, hostname could be NULL,
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dereferencing it in free(*hostname) may cause an unexpected segfault.
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Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=2136807
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Signed-off-by: Zhi Li <yieli@redhat.com>
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Signed-off-by: Steve Dickson <steved@redhat.com>
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diff --git a/utils/mount/parse_dev.c b/utils/mount/parse_dev.c
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index 0d3bcb95..2ade5d5d 100644
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--- a/utils/mount/parse_dev.c
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+++ b/utils/mount/parse_dev.c
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@@ -170,7 +170,8 @@ static int nfs_parse_square_bracket(const char *dev,
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if (pathname) {
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*pathname = strndup(cbrace, path_len);
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if (*pathname == NULL) {
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- free(*hostname);
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+ if (hostname)
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+ free(*hostname);
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return nfs_pdn_nomem_err();
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}
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}
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