4.19-stable patches

added patches:
	9p-net-fix-missing-error-check-in-p9_check_errors.patch

diff --git a/queue-4.19/9p-net-fix-missing-error-check-in-p9_check_errors.patch b/queue-4.19/9p-net-fix-missing-error-check-in-p9_check_errors.patch
new file mode 100644 (file)
index 0000000..c8f9f28
--- /dev/null
+++ b/queue-4.19/9p-net-fix-missing-error-check-in-p9_check_errors.patch
@@ -0,0 +1,29 @@
+From 27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc Mon Sep 17 00:00:00 2001
+From: Dominique Martinet <asmadeus@codewreck.org>
+Date: Tue, 2 Nov 2021 19:47:47 +0900
+Subject: 9p/net: fix missing error check in p9_check_errors
+
+From: Dominique Martinet <asmadeus@codewreck.org>
+
+commit 27eb4c3144f7a5ebef3c9a261d80cb3e1fa784dc upstream.
+
+Link: https://lkml.kernel.org/r/99338965-d36c-886e-cd0e-1d8fff2b4746@gmail.com
+Reported-by: syzbot+06472778c97ed94af66d@syzkaller.appspotmail.com
+Cc: stable@vger.kernel.org
+Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ net/9p/client.c |    2 ++
+ 1 file changed, 2 insertions(+)
+
+--- a/net/9p/client.c
++++ b/net/9p/client.c
+@@ -553,6 +553,8 @@ static int p9_check_errors(struct p9_cli
+               kfree(ename);
+       } else {
+               err = p9pdu_readf(&req->rc, c->proto_version, "d", &ecode);
++              if (err)
++                      goto out_err;
+               err = -ecode;
+ 
+               p9_debug(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode);

diff --git a/queue-4.19/series b/queue-4.19/series
index 28bb6d78a4cf193a1b7a6887ee85f834e7d2d55d..3d61595b719ed20c574608b305ae0375266e73bf 100644 (file)
--- a/queue-4.19/series
+++ b/queue-4.19/series
@@ -237,3 +237,4 @@ usb-chipidea-fix-interrupt-deadlock.patch
 arm-9155-1-fix-early-early_iounmap.patch
 arm-9156-1-drop-cc-option-fallbacks-for-architecture-selection.patch
 f2fs-should-use-gfp_nofs-for-directory-inodes.patch
+9p-net-fix-missing-error-check-in-p9_check_errors.patch