udf: Fix crash on IO error during truncate
commit d3ca4651d05c0ff7259d087d8c949bcf3e14fb46 upstream.
When truncate(2) hits IO error when reading indirect extent block the
code just bugs with:
kernel BUG at linux-4.15.0/fs/udf/truncate.c:249!
...
Fix the problem by bailing out cleanly in case of IO error.
CC: stable@vger.kernel.org
Reported-by: jean-luc malet <jeanluc.malet@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
1 file changed