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Wed, 02 Apr 2025 04:46:03 -0700 (PDT) Date: Wed, 02 Apr 2025 04:46:03 -0700 In-Reply-To: X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67ed237b.050a0220.297a31.0019.GAE@google.com> Subject: Re: [syzbot] [mm?] general protection fault in sys_mremap From: syzbot To: akpm@linux-foundation.org, jannh@google.com, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, syzkaller-bugs@googlegroups.com, vbabka@suse.cz Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: D04AA180005 X-Stat-Signature: d5d7asmh1wpob4z641fkc8tzsrcd3c1i X-HE-Tag: 1743594363-184673 X-HE-Meta: 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 b59LxWYL 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 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: Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: unregister_netdevice: waiting for DEV to become free unregister_netdevice: waiting for batadv0 to become free. Usage count = 3 Tested on: commit: e20706d5 mseal sysmap: add arch-support txt git tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/ mm-stable console output: https://syzkaller.appspot.com/x/log.txt?x=167a694c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=ccf540055069887f dashboard link: https://syzkaller.appspot.com/bug?extid=e3385f43b2897a19be24 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied.