Syzkaller reports out of bounds on shift in ntfs_init_from_boot(). The problem was fixed in upstream with patch 91a4b1ee78cb100b19b70f077c247f211110348f. This can be fixed in branch 6.1 with the following patch. Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Link: https://syzkaller.appspot.com/bug?extid=010986becd65dbf9464b Konstantin Komarov (1): fs/ntfs3: Fix shift-out-of-bounds in ntfs_fill_super fs/ntfs3/ntfs_fs.h | 2 ++ fs/ntfs3/super.c | 50 +++++++++++++++++++++++++++++----------------- 2 files changed, 34 insertions(+), 18 deletions(-) -- 2.34.1