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(parent: a8c254d) | patch
ovl: fix error handling in ovl_verify_set_fh()
authorAmir Goldstein <amir73il@gmail.com>
Wed, 10 Oct 2018 16:10:06 +0000 (19:10 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 21 Nov 2018 08:24:04 +0000 (09:24 +0100)
commit0afa17be1a78bf35085bffb7d0e04b96b766f3ba
treeb74631bb1ca2e84e923a21e3bd243277cd765268tree | snapshot
parenta8c254d8e96032d5bb235cb2e777203d9acda09dcommit | diff
ovl: fix error handling in ovl_verify_set_fh()

commit babf4770be0adc69e6d2de150f4040f175e24beb upstream.

We hit a BUG on kfree of an ERR_PTR()...

Reported-by: syzbot+ff03fe05c717b82502d0@syzkaller.appspotmail.com
Fixes: 8b88a2e64036 ("ovl: verify upper root dir matches lower root dir")
Cc: <stable@vger.kernel.org> # v4.13
Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
fs/overlayfs/namei.c diff | blob | history
Domain: System / Kernel;