Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf

Daniel Borkmann says:

====================
pull-request: bpf 2022-07-02

We've added 7 non-merge commits during the last 14 day(s) which contain
a total of 6 files changed, 193 insertions(+), 86 deletions(-).

The main changes are:

1) Fix clearing of page contiguity when unmapping XSK pool, from Ivan Malov.

2) Two verifier fixes around bounds data propagation, from Daniel Borkmann.

3) Fix fprobe sample module's parameter descriptions, from Masami Hiramatsu.

4) General BPF maintainer entry revamp to better scale patch reviews.

* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
  bpf, selftests: Add verifier test case for jmp32's jeq/jne
  bpf, selftests: Add verifier test case for imm=0,umin=0,umax=1 scalar
  bpf: Fix insufficient bounds propagation from adjust_scalar_min_max_vals
  bpf: Fix incorrect verifier simulation around jmp32's jeq/jne
  xsk: Clear page contiguity bit when unmapping pool
  bpf, docs: Better scale maintenance of BPF subsystem
  fprobe, samples: Add module parameter descriptions
====================

Link: https://lore.kernel.org/r/20220701230121.10354-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/net/xdp/xsk_buff_pool.c b/net/xdp/xsk_buff_pool.c
index 87bdd71c7bb6..f70112176b7c 100644
--- a/net/xdp/xsk_buff_pool.c
+++ b/net/xdp/xsk_buff_pool.c
@@ -332,6 +332,7 @@ static void __xp_dma_unmap(struct xsk_dma_map *dma_map, unsigned long attrs)
 	for (i = 0; i < dma_map->dma_pages_cnt; i++) {
 		dma = &dma_map->dma_pages[i];
 		if (*dma) {
+			*dma &= ~XSK_NEXT_PG_CONTIG_MASK;
 			dma_unmap_page_attrs(dma_map->dev, *dma, PAGE_SIZE,
 					     DMA_BIDIRECTIONAL, attrs);
 			*dma = 0;