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author | Miklos Szeredi <mszeredi@redhat.com> | 2020-05-19 14:50:37 +0200 |
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committer | Miklos Szeredi <mszeredi@redhat.com> | 2020-05-19 14:50:37 +0200 |
commit | 32f98877c57bee6bc27f443a96f49678a2cd6a50 (patch) | |
tree | 0c4e6a0e64dc7ba0920c961432172518b6aa6b37 /net/sched/cls_basic.c | |
parent | a5005c3cda6eeb6b95645e6cc32f58dafeffc976 (diff) |
fuse: don't check refcount after stealing page
page_count() is unstable. Unless there has been an RCU grace period
between when the page was removed from the page cache and now, a
speculative reference may exist from the page cache.
Reported-by: Matthew Wilcox <willy@infradead.org>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
Diffstat (limited to 'net/sched/cls_basic.c')
0 files changed, 0 insertions, 0 deletions