fuse: don't dereference req->args on finished request
authorMiklos Szeredi <mszeredi@redhat.com>
Mon, 21 Oct 2019 07:11:40 +0000 (09:11 +0200)
committerMiklos Szeredi <mszeredi@redhat.com>
Mon, 21 Oct 2019 07:11:40 +0000 (09:11 +0200)
commit2b319d1f6f92a4ced9897678113d176ee16ae85d
tree4d166771b531db8e720acc6a7f1189eb5def5615
parent3f22c7467136adfa6d2a7baf7cd5c573f0641bd1
fuse: don't dereference req->args on finished request

Move the check for async request after check for the request being already
finished and done with.

Reported-by: syzbot+ae0bb7aae3de6b4594e2@syzkaller.appspotmail.com
Fixes: d49937749fef ("fuse: stop copying args to fuse_req")
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
fs/fuse/dev.c