listmount: don't call path_put() under namespace semaphore

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commit c1f86d0ac3 upstream.

Massage listmount() and make sure we don't call path_put() under the
namespace semaphore. If we put the last reference we're fscked.

Fixes: b4c2bea8ce ("add listmount(2) syscall")
Cc: stable@vger.kernel.org # v6.8+
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Christian Brauner 2025-09-19 17:33:47 +02:00 • committed by Greg Kroah-Hartman

parent 4d50e8360e

commit 9c80da26fd

1 changed files with 59 additions and 28 deletions

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fs/namespace.c

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