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mx.microsoft.com 1; spf=pass smtp.mailfrom=1und1.de; dmarc=pass action=none header.from=1und1.de; dkim=pass header.d=1und1.de; arc=none Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=1und1.de; Message-ID: <9fa0c0ea-9c5d-4039-856f-222486283a3c@1und1.de> Date: Thu, 14 Aug 2025 14:51:27 +0200 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH net] netlink: avoid infinite retry looping in netlink_unicast() To: , Fedor Pchelkin CC: , , , , , , , , , References: <20250728080727.255138-1-pchelkin@ispras.ru> <175392900576.2584771.4406793154439387342.git-patchwork-notify@kernel.org> Content-Language: en-US From: Julian Taylor Autocrypt: addr=julian.taylor@1und1.de; keydata= xsFNBFltrWYBEADXiDXXt3saKFW3mTy6W7orZWbcBQia+9uLCzte4zztm0Nw/RALjTL5xLe2 Jg5XuDVtf2wSkIXrcYocnPjhVetxSgPMZV0i8wr7HUowzIm3C7953lt56xFzyz6V9xQqadlX kE4K4hYD6Q6JUwRDIZ0Iqwe4G+R1hva7xuFMvPUs/lI+yOPFe+s2WJ/4RSakjwIYXa/Sgfnx 7vWP1GtBRTiSMLA2OZqa+4tyP69p/nKXIBFRCtW0VcwYSs5ItA8NBDaHJuWGTPeY1tcVl218 MrICmrpAUFGJ8Iwj/eZMvCL/NcP5w6qXwgxgnhOMqo1wcKPsQQW5P0+t+gZHzgMylnVt74Lw +NKRrkaVynr6+5+DnCol9o1M1YMWcsLt/JoGjna5sjdpUoqZR+NNdJqDWXalWYja7a1wkarP GvvsMZ6zK+N9+YQxiABL9oM1FmPdRV1JmWRU2O3jJKICK/liRPpOv8XmKZeKBQqGg35PK3kf UOwGHKXVJb4D18ddVuPuBjXmmSFVjG6fJrLUeCYIdOSyHqjqPSjzaMk4VIUtnoVe6phIlxjn anNdGZdnVBO/816+MJ/ov1EcqgsEaCiIX67V4GZVt9Z8irAPPFvSDqVre8lOC7w0paXe0kzs LaIgY6E/+2yoGpBBWzMLRsa9u5MthqC7NY5l/jkazNbdfQY1BwARAQABzSZKdWxpYW4gVGF5 bG9yIDxqdWxpYW4udGF5bG9yQDF1bmQxLmRlPsLBlAQTAQgAPgIbAwULCQgHAwUVCgkICwUW AgMBAAIeAQIXgBYhBFYIL5Li6yoh4nFXC+63W6SxhL5cBQJly3c1BQkVw8tPAAoJEO63W6Sx hL5c2ssP/3CQ254TjPqIlFS3FZktTb1k82Z13+Qyxu1yqK/T3PEuZK4sAj3jZEBJm8RNchi4 DOmnuaX1SgpMfhQuPXh5VIP3b4wsVCpVOapC6myrrN2Dn8iyex2+seV9iqUHjEJymy3lDFSs MjDTn8JAo+D47jCpJIYhxG7zZWTjhkxoc/fNLZU9R/pLUOYaOvJaE0XP7cJ2ly4c4A8yr4mM ULMzm1KsVM3emROpMcFT9YbM0HWr51z7nR6riwx5DEQBhCNnEnWT7IcP19B7jsEGRbtG/0mK cAiEf3tqmBTw0kTFvR7GGFwPfojmVfnF5+qdG8VNQKQJfLmT8dZdFyqZyeF7QZtPdVEYR6Rw +ZAZXty5099AUh3Acx1hdH3+Q4781YfcjjEgFaSEYwk2E46MhR6lcg3/ZYg/lUoGzl/88P20 OJ5QDwIpH7GnMsYk0z/0txAJoYugDrgt7ToSm0kHxu/VfoXwtco2lQLmrMpdxk1oTzawOPUl BpshGJVQW5MFC3GiZY11TKjEeaBqwA39gULJ1OMIidCBVjsjiZ7pXg7ofSnh191poJ1c91bD lC6XKun3E8jik58D56hzr9efrcw8emmANKFZ27H6U15PvErrhIpTN2yj3Bpxn9chmg2uRhFc il43m2ZJPrQqwbXCV/7jFmrQKizmyHsTu49FWuWjuSuezsFNBFltrWYBEAC0V/cvNsRRwKXn 42uKmdkNytSWOtOY9NWFLkFSgQpkdlDmy2R2njrgHTmda55hJmqc0Sw3yRw495Hj137VRK5C /HQ4ElqIlj2Mh4C5Oj2PhM69JeqNbRJbrK48YQq/j5FHkybVfGMLID1G5p96VOvnReHwOYkU GT+ME/kerQwne+gVMqurflV9VlAVwgbV/ADeAMMUOnnBg5IOfVfw5wVg/C00dzn0v/YllWqu 91cLgMSSSOn6JiQj/tA/QpJ5A6dosN5gYO3juqjODOpquqCcU0r1vMR0vDRNZCD+9e+o/x5F Q9uVAR1pVM8jX9tT+pnfu004bDL3d+7G7XMROCrBHwnJp4f682eCC7wHyvZ5WZZV5Pl1rQXV UHRA9+TWHHyOaBzPBE+yw4tlXMLiRADFzibs/UdC8Nw53VGr1qnJBqsbxYBrNP5akTOJ21NA 9cfFETr/ZSMKf6LtfJWVj6fbkzrVWrZVwbBFZMIhbhHdx/lcY6G5TMFqrbQTYF8LbjWOt1/R KY9Idivr9EGmfng5+tYnZq/hLzrVXU+6LYzmGL0THPTBNNcLOGwVvQmJBtYmAPF5fJBiX8tB 1NbDiyzZQFY2fNOxUVGncmxIRk0bsXXDsHwfDloT6vfDYAJb7Gb/MJ7p3HpD4ugtAx4GNvih MYumV+cpvs5ws3Uu9AcDzwARAQABwsFfBBgBCAAJBQJZba1mAhsMAAoJEO63W6SxhL5cAJkQ AKAQgD1NDR9q/1qgp3euxDVlJlBfRNtX+PSDJkn/iGAd/rclB2bvsQhSf8N1p1G3199d++o0 5RHneUr9Kbd/O9qNnP0SyBEAAGQvTUT42yOxCPlmdeE6awaLZV0ePzuikPuPWepBO5zcAEqm ghxIOTOIetoRPCu7ZSkAITP48PBp113MkSITOzOtsJUajWJywzbeymG5+0zbI8phNP8RRFHh 2KSRMRZ9pyownP3vydmI28KRFCd7qVEs1FBFwtX9tdUWq47xK3wI6eW/fi5q9pUBBAvNUM9a o+psOoLM/I72ez+maDlUrWa8wIoMvhjpH/DmQkAuPHRDpq3VqWoCpX7SNpP59X9QiKi4EPkj epuHkx0JMgGuB4s9md79PKV7EKXHobB+a3AEifH9oAE1AqagO4HkEWFWhJPxdvsSmU5EiNq6 +ACeRM58xp7zZEP0tZUpmy7wCcUORh/jJKzAGnjpQoVVeGGEqu0P8cJEWiXQZv5V0/njbI97 Fi8INOoGIYjKPqJnvfrpclXHnelO1XYGWVeEzx9Q0oEF4NXhtgpDyp+vir7znaMxS+1ExoVR aW4RXhwQWfa/c2JKW3tlAvccz6ND3c/8s0Sk+y7Yn4S6CcluEg0RXBRaOTGRK9KFUuiw0UOu 7oKCuVqh8kE3PYxoRHbuOnFcKDL7dV8w3Mak In-Reply-To: <175392900576.2584771.4406793154439387342.git-patchwork-notify@kernel.org> Content-Type: text/plain; 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Firstly, it has: >> >> rmem < READ_ONCE(sk->sk_rcvbuf) >> >> to check if the just increased rmem value fits into the socket's receive >> buffer. If not, it proceeds and tries to wait for the memory under: >> >> [...] > > Here is the summary with links: > - [net] netlink: avoid infinite retry looping in netlink_unicast() > https://git.kernel.org/netdev/net/c/759dfc7d04ba > > You are awesome, thank you! hello, as far as I can tell this patch has not made it to the 6.1 stable tree yet in the 6.1.148 review yet: https://www.spinics.net/lists/stable/msg866199.html As this seems to be causing issues in distributions releasing 6.1.147 can this still be added to the next possible stable release? See following issues in relation to loading audit rules which seems to trigger the fixed bug: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1111017 https://github.com/amazonlinux/amazon-linux-2023/issues/988 I have tested this patch solves the problem in the Debian bookworm using 6.1.x cheers, Julian Taylor