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SubjectRe: memory leak in bio_copy_user_iov
syzbot has bisected this bug to:

commit 664820265d70a759dceca87b6eb200cd2b93cda8
Author: Mike Snitzer <>
Date: Thu Feb 18 20:44:39 2016 +0000

dm: do not return target from dm_get_live_table_for_ioctl()

bisection log:
start commit: 0011572c Merge branch 'for-5.2-fixes' of git://git.kernel...
git tree: upstream
final crash:
console output:
kernel config:
dashboard link:
syz repro:
C reproducer:

Fixes: 664820265d70 ("dm: do not return target from

For information about bisection process see:

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