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Revert "io_uring: don't take fs for recvmsg/sendmsg"
authorJens Axboe <axboe@kernel.dk>
Wed, 10 Feb 2021 19:37:58 +0000 (12:37 -0700)
committerJens Axboe <axboe@kernel.dk>
Wed, 10 Feb 2021 19:37:58 +0000 (12:37 -0700)
commit92c75f7594d5060a4cb240f0e987a802f8486b11
tree3c21436557ed92c0dbaf8d03d772f527c0817c85tree | snapshot
parentaec18a57edad562d620f7d19016de1fc0cc2208ccommit | diff
Revert "io_uring: don't take fs for recvmsg/sendmsg"

This reverts commit 10cad2c40dcb04bb46b2bf399e00ca5ea93d36b0.

Petr reports that with this commit in place, io_uring fails the chroot
test (CVE-202-29373). We do need to retain ->fs for send/recvmsg, so
revert this commit.

Reported-by: Petr Vorel <pvorel@suse.cz>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
fs/io_uring.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git