This is a note to let you know that I've just added the patch titled
samples, bpf: Add missing munmap in xdpsock
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
samples-bpf-add-missing-munmap-in-xdpsock.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 6bc6699881012b5bd5d49fa861a69a37fc01b49c Mon Sep 17 00:00:00 2001
From: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
Date: Wed, 3 Mar 2021 19:56:35 +0100
Subject: samples, bpf: Add missing munmap in xdpsock
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From: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
commit 6bc6699881012b5bd5d49fa861a69a37fc01b49c upstream.
We mmap the umem region, but we never munmap it.
Add the missing call at the end of the cleanup.
Fixes: 3945b37a975d ("samples/bpf: use hugepages in xdpsock app")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
Signed-off-by: Daniel Borkmann <daniel@xxxxxxxxxxxxx>
Acked-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
Link: https://lore.kernel.org/bpf/20210303185636.18070-3-maciej.fijalkowski@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
samples/bpf/xdpsock_user.c | 2 ++
1 file changed, 2 insertions(+)
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -1543,5 +1543,7 @@ int main(int argc, char **argv)
xdpsock_cleanup();
+ munmap(bufs, NUM_FRAMES * opt_xsk_frame_size);
+
return 0;
}
Patches currently in stable-queue which might be from maciej.fijalkowski@xxxxxxxxx are
queue-5.10/libbpf-clear-map_info-before-each-bpf_obj_get_info_by_fd.patch
queue-5.10/samples-bpf-add-missing-munmap-in-xdpsock.patch
