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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Date: Tue, 7 Jul 2020 22:02:31 -0400
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Subject: [PATCH] udf: Fix memory leak
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Fixes: CID 73796
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Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
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Reviewed-by: Jan Setje-Eilers <jan.setjeeilers@oracle.com>
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Upstream-commit-id: 8da62d8183c
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---
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grub-core/fs/udf.c | 17 +++++++++++++----
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1 file changed, 13 insertions(+), 4 deletions(-)
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diff --git a/grub-core/fs/udf.c b/grub-core/fs/udf.c
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index be41b48f9..6670beb56 100644
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--- a/grub-core/fs/udf.c
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+++ b/grub-core/fs/udf.c
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@@ -965,8 +965,10 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
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return 0;
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if (grub_udf_read_icb (dir->data, &dirent.icb, child))
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- return 0;
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-
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+ {
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+ grub_free (child);
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+ return 0;
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+ }
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if (dirent.characteristics & GRUB_UDF_FID_CHAR_PARENT)
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{
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/* This is the parent directory. */
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@@ -988,11 +990,18 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
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dirent.file_ident_length,
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(char *) raw))
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!= dirent.file_ident_length)
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- return 0;
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+ {
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+ grub_free (child);
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+ return 0;
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+ }
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filename = read_string (raw, dirent.file_ident_length, 0);
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if (!filename)
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- grub_print_error ();
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+ {
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+ /* As the hook won't get called. */
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+ grub_free (child);
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+ grub_print_error ();
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+ }
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if (filename && hook (filename, type, child, hook_data))
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{
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