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From: Lance Yang In-Reply-To: <6911ad38.a70a0220.22f260.00dc.GAE@google.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: 29C6E16000C X-Stat-Signature: cwti5911zciwdjma1p57jker3131zj6o X-HE-Tag: 1762767127-956823 X-HE-Meta: U2FsdGVkX19wwvGs2qd+wtd5PFdQ0XohdnjmA3rkE8ePrbANVz/WGI08XpfRCB0DPvesIzhgXpzC0Ray1PWGLpqn4eJaVp9PZc2Uq0VAU8ylTW1vf7QzbiOhZyjqQR5WM7Ft3cnqVA6MOqqGk9Xd50vHSK1X3moBYuAF14v28oWRXk1JLhLUzyI/YNkpD9kW0KMEZoanVVEUvNQZsCKCVdnK8fcoYi7dGvUgailzpT8Z0YxQEiHztB9VuN+82nKaNdvuM3g0KRF73Jg1cPXzRDh5eFGEPG5kxYa4tSrvo+B5kqghZo3F+ETgUhfhapkSRz2bBB+Vk7HuixYO2OTDKNHOb4Fk5CiFxptNEhmrDpcNIMANmlVoeQvWiohMcCxmVopu0dfJhKcOZbHVDTgSGkj/SlfXxRL/bgXgMGdFXgEw5MGSST1r4DUAN2ZI9WFAT8YaDqyNrTL54m6Wr6xD7NfXwHMQzlB6ec54dZ4Xx7Js/YDCT9uUgaihvxi2l7m5S65UXPCmLHc1FjnW5ytuq8mnpIMjLaBDoPuF3a5lEMGsSoz37/ejd7YiD4J1KDYcOcgw7W0lJmBVwgYs13HoQH9i+NQYO1tyDJqnlhtYmONqg0pP0H2WVJAnh/vHd2yIwlYc0q/y8oYYo/ySYzrN9afxGNZ4M5D5xeu4vcEznRBpabiqBgolQ3mFr0a1RfBcc/8FrIY+JmuSNxOUMdlqUY53jRB5/Xy+gPHLUDAM4hhy9rlcQp3w3j0Q37vUd4jihWvMk7FwM46JKDFgz3nG5TYWrnzv6EaDe6KIL+j+C5viDDtVF1LUa6eh2/XAM4WMas1UkiVMBlDM84R4eL5Ah5DEUOyvLOHMnuIQEgrUuhah/OdlJp/JBt0rtPRgavCjZ/U5gu2fJqoR1HU97eHNwXSkV29FVfF/Izkz4Z913LVkU803tEh/aAlVJFldH6TZwAznz3MGk96NU8MAbuI 6kSUaWb1 vhyg5beBueZHIyTGDXlWzQRhZYjcYx2FiUuldLVrZhzXigUmW0jmGUHQCQS/xpw4MSwJaIYVzdGTxAtNlb4wwuyGnHnuUaASj7ZDd1aQdbYfZ2JCmCPEeodx3lMqsaHx+mbkusYircAtsX3ZC6nt1fmhFjnlWcoNKtzhPHgWDXHkqzpwVHfECPxE1ZBfpIqVbSakFhQpksn/G4qYAckhTwfAePoJuHEDc9j3NoJ1Vn2/Q7G0x4O3NqRy/IySiVnUjQ6Itl03thmL3F+LBVbPRj6HYnf/9etEF3JRtSAE47inxeubHuCH4wmXs+gSP0WsRuf3yovftLGpEcMUtThcVrLX0brAAwpF6e75tPG2D7zSqV3Je3EMbfTjfTQ== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2025/11/10 17:15, syzbot ci wrote: > syzbot ci has tested the following series > > [v1] mm/hugetlb: fix possible deadlock in __hugetlb_zap_begin > https://lore.kernel.org/all/20251110051421.29436-1-lance.yang@linux.dev > * [PATCH 1/1] mm/hugetlb: fix possible deadlock in __hugetlb_zap_begin > > and found the following issues: > * possible deadlock in move_hugetlb_page_tables > * possible deadlock in remove_inode_hugepages > * possible deadlock in unmap_vmas Oops, this fix was incomplete, as other code paths with the reverse locking order still exist, leading to the deadlocks reported by syzbot ... Let me take a closer look ...