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X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?us-ascii?Q?8PiwttZmqIuVjL5uksLMLDIJ3MB8A0NjQem1I+QK1Nexfpt0H6UVxK+CYUiH?= =?us-ascii?Q?3YoqXfjWLsDB+v7xHP/vNXV+X6zZ+cG7prRjl9VCHx2eUXRCljL2WKEapSsZ?= =?us-ascii?Q?O3MdmI6garINUb/eukFPceOUQTQLcS/ek+oEIt/OMuYqKGfMWPb+GBYyn487?= =?us-ascii?Q?PvwOaNE3tD1cJmB6UZbYjmZ06Q+U490yS4aRevF6sZpUPgv7swlOP0UsNqkl?= =?us-ascii?Q?PUmh2eQxNks3a3FRJanfZh65DFbUYf8EtbL5aPdKQa8K0Iml8Fdj8fkc6MX3?= =?us-ascii?Q?Dzi2RxmJ3qF6YLOma6fZE7dzDc/aJ2kfevFL6P8nNGH/xWUtyLTG9wEW3rK1?= =?us-ascii?Q?Ml90z5dwFbkTVRM06lGW1/2VmdmZISzYG2f5lDLqp9Sr2N6o9Er0gft+pF/Q?= =?us-ascii?Q?g+5lek+CMxbo6kqfAkAn6TjFV6CzaCXWNTmRQBpt5HdryKg1i0yedrQn3EvX?= =?us-ascii?Q?/bor92nkQxD8BWJtIus/rG7My56ciXSpLJF/AN/TiYpNvf3a6JNP3PTZJihV?= =?us-ascii?Q?iBnFIB8wdKq6YcBHJ1pZsPKtWadd+iHmrs/mKgwyYidEoFG30T1dMoqRrkk+?= =?us-ascii?Q?iDUokzjmrDUfKFNRcJiHYhPC0VrvSeMPXU5WWnVjsJhCgIcI/Z069X6iRCW7?= =?us-ascii?Q?tYF1VkDg7GpmU9sl76du5F33/2a2LWeBEwVdNpAblJdMXD89uqrcXEIV9kwO?= =?us-ascii?Q?mDrsaxiq8C/Xs9nUmQikod9zcufH3umGfQGvZLbHDvoX8qSrzf7BPVUKaHBe?= =?us-ascii?Q?cpY6CmzQPAXBDu93orPb966FbciBHGScI7td0u0f7kflco3uI+NzHF29uytM?= =?us-ascii?Q?G4KAogZ0+/Z05hKvMZZ2GisrHBOb/1O7imLIBfcdQ37UNQlaOcGi8C6I/BwP?= =?us-ascii?Q?bfSKm684L7rHOMx3M5QNfMguratpIFJ5s3Jv7exaiW+hA7r5ZPNY2yhh/c8C?= =?us-ascii?Q?HnWkBhDjdZYpON1Ie1+QXht8+gufE2MKKZIevc2e1SK8Z7MU9oDCCxNsX06u?= =?us-ascii?Q?yVKxxIBu1B0cDP+Jm43EEsGg7WVlDPG6nCVb+Wiwh3sbTgSfsI6jh5vvhqPT?= =?us-ascii?Q?UStXGcMEasUzWZi7EpDOmPA14bCUUJ101dYHBm2kjx5nScmlpA7ksxJ4c+YX?= =?us-ascii?Q?9UJ5AkG1xftpNe6wSc95OiRt7OmpIuVpWMibxtyeW9/2KytgqsQftS95lD+S?= =?us-ascii?Q?fKynyOhBB9TXX7ECS4din7UjrIC7Xu820XpNNpEuAnrYulCeCNNDDnurE9/q?= =?us-ascii?Q?6GdOa9ervRFxPxNeMUFXxnf2snpcIP1T1/OfIG5CVGzLW1yGSTqzGS/K6b4v?= =?us-ascii?Q?RDKVXKgKWLRy8FGJSLpAcToCKKFpD7aBDmEa5iyoXmrlqZHholnAhdD9BLor?= =?us-ascii?Q?p63PRjQ1m80webuPWOJVzUD5mujaYYcQgjStlA1FQaHOvqtpLkFW9KHv6YbA?= =?us-ascii?Q?rXZ7CJaGj7ujjD0MX+GoYrn0Q154gZzMBZB+sjpo53Ke80IXBtLmXpHhMa/S?= =?us-ascii?Q?wOmE/6iVHmBFx8OxWTGrKZt1eBV7AfKTUWrX+7yj0ZPlr30AbIJT8qNtk5FU?= =?us-ascii?Q?5y2fi2ibf0gUR16meCAFXjsUaH84GNVdL9gMCXyj+KRK9H/dh0tnRSB22Ngs?= =?us-ascii?Q?hLrOBO1B/hu6lBRLzfIo9I34AuXSU9+SIIUwCVemFPHYIcf8Or0kO2wgdFhd?= =?us-ascii?Q?By+476Qv6L6aPR6VVwgwid7Y98pYnfFDbRICjTptuDKWWGsb?= X-OriginatorOrg: Nvidia.com X-MS-Exchange-CrossTenant-Network-Message-Id: bebaf046-0951-43f9-7c75-08defc3c60f2 X-MS-Exchange-CrossTenant-AuthSource: SA3PR12MB7901.namprd12.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Aug 2026 08:48:58.9175 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 43083d15-7273-40c1-b7db-39efd9ccc17a X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: j8nBh0U6XKUJW6KTcLPXWMMe1cu8dyNCvNoabWInR9MAvtaR+Ywb+v+ijzU5euPxneLm1ZmrB5hmm+9DhRetbw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: IA1PR12MB6067 On Sat, Aug 15, 2026 at 05:46:51PM +0900, Yuyang Huang wrote: > rt6_nh_dump_exceptions() uses hlist_for_each_entry() to iterate over > RCU-protected exception lists. The caller holds rcu_read_lock(), but does > not hold rt6_exception_lock, so rt6_insert_exception() can concurrently > add an entry with hlist_add_head_rcu(). [...] > Use hlist_for_each_entry_rcu() to safely iterate over the exception list. > > Fixes: 1e47b4837f3b ("ipv6: Dump route exceptions if requested") > Cc: stable@vger.kernel.org > Signed-off-by: Yuyang Huang Reviewed-by: Ido Schimmel I don't think this deserves a stable tag as it only silences a KCSAN splat, but it's trivial to backport, so OK.