6.5-stable review patch. If anyone has any objections, please let me know.
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From: Ahelenia Ziemiańska nabijaczleweli@nabijaczleweli.xyz
[ Upstream commit 576d498e0ac5caff2d9f6312573ab54d98f12d32 ]
Same logic applies here: this can fill up the pipe, and pollers that rely on getting IN_MODIFY notifications never wake up.
Fixes: 983652c69199 ("splice: report related fsnotify events") Link: https://lore.kernel.org/linux-fsdevel/jbyihkyk5dtaohdwjyivambb2gffyjs3dodpof... Link: https://bugs.debian.org/1039488 Signed-off-by: Ahelenia Ziemiańska nabijaczleweli@nabijaczleweli.xyz Acked-by: Jan Kara jack@suse.cz Reviewed-by: Amir Goldstein amir73il@gmail.com Message-Id: 10d76dd8c85017ae3cd047c9b9a32e26daefdaa2.1688393619.git.nabijaczleweli@nabijaczleweli.xyz Signed-off-by: Christian Brauner brauner@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/splice.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/fs/splice.c b/fs/splice.c index 5f38d921dc074..2e4cab57fb2ff 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -1931,6 +1931,11 @@ long do_tee(struct file *in, struct file *out, size_t len, unsigned int flags) } }
+ if (ret > 0) { + fsnotify_access(in); + fsnotify_modify(out); + } + return ret; }