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(parent: 48cce13) | patch
udf: Fix crash on IO error during truncate
authorJan Kara <jack@suse.cz>
Mon, 11 Mar 2019 14:04:18 +0000 (15:04 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Mar 2019 05:17:53 +0000 (14:17 +0900)
commite88f693e6e8d43678c1af5d7305755098ea4d26b
tree99747477a15c7ddc80ecfec01730cafacd38c18dtree | snapshot
parent48cce130d485275c0b04e4031629d3c9d62326becommit | diff
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>
fs/udf/truncate.c diff | blob | history
wrapfs-4.13.y