| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 153/164] hypfs_kill_super(): deal with failed allocations | Date | Sun, 22 Apr 2018 15:53:40 +0200 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: Al Viro <viro@zeniv.linux.org.uk>
commit a24cd490739586a7d2da3549a1844e1d7c4f4fc4 upstream.
hypfs_fill_super() might fail to allocate sbi; hypfs_kill_super() should not oops on that.
Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- arch/s390/hypfs/inode.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/s390/hypfs/inode.c +++ b/arch/s390/hypfs/inode.c @@ -320,7 +320,7 @@ static void hypfs_kill_super(struct supe if (sb->s_root) hypfs_delete_tree(sb->s_root); - if (sb_info->update_file) + if (sb_info && sb_info->update_file) hypfs_remove(sb_info->update_file); kfree(sb->s_fs_info); sb->s_fs_info = NULL;
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