The patch titled
udf: possible null pointer dereference while load_partition
has been removed from the -mm tree. Its filename was
udf-possible-null-pointer-dereference-while-load_partition.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: udf: possible null pointer dereference while load_partition
From: Dmitriy Monakhov <dmonakhov@xxxxxxxxxx>
sb_read may return NULL, let's explicitly check it.
Signed-off-by: Dmitriy Monakhov <dmonakhov@xxxxxxxxxx>
Cc: Jan Kara <jack@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/udf/super.c | 2 ++
1 file changed, 2 insertions(+)
diff -puN fs/udf/super.c~udf-possible-null-pointer-dereference-while-load_partition fs/udf/super.c
--- a/fs/udf/super.c~udf-possible-null-pointer-dereference-while-load_partition
+++ a/fs/udf/super.c
@@ -1403,6 +1403,8 @@ udf_load_partition(struct super_block *s
pos = udf_block_map(UDF_SB_VAT(sb), 0);
bh = sb_bread(sb, pos);
+ if (!bh)
+ return 1;
UDF_SB_TYPEVIRT(sb,i).s_start_offset =
le16_to_cpu(((struct virtualAllocationTable20 *)bh->b_data + udf_ext0_offset(UDF_SB_VAT(sb)))->lengthHeader) +
udf_ext0_offset(UDF_SB_VAT(sb));
_
Patches currently in -mm which might be from dmonakhov@xxxxxxxxxx are
origin.patch
-
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