pidfd: Add missing sock updates for pidfd_getfd()
The sock counting (sock_update_netprioidx() and sock_update_classid())
was missing from pidfd's implementation of received fd installation. Add
a call to the new __receive_sock() helper.
Cc: Christian Brauner <christian.brauner@ubuntu.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sargun Dhillon <sargun@sargun.me>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: netdev@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Fixes: 8649c322f7
("pid: Implement pidfd_getfd syscall")
Signed-off-by: Kees Cook <keescook@chromium.org>
This commit is contained in:
parent
d9539752d2
commit
4969f8a073
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@ -42,6 +42,7 @@
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#include <linux/sched/signal.h>
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#include <linux/sched/signal.h>
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#include <linux/sched/task.h>
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#include <linux/sched/task.h>
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#include <linux/idr.h>
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#include <linux/idr.h>
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#include <net/sock.h>
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struct pid init_struct_pid = {
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struct pid init_struct_pid = {
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.count = REFCOUNT_INIT(1),
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.count = REFCOUNT_INIT(1),
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@ -642,10 +643,12 @@ static int pidfd_getfd(struct pid *pid, int fd)
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}
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}
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ret = get_unused_fd_flags(O_CLOEXEC);
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ret = get_unused_fd_flags(O_CLOEXEC);
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if (ret < 0)
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if (ret < 0) {
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fput(file);
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fput(file);
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else
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} else {
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__receive_sock(file);
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fd_install(ret, file);
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fd_install(ret, file);
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}
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return ret;
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return ret;
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}
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}
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