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Wed, 02 Apr 2025 05:51:02 -0700 (PDT) Date: Wed, 02 Apr 2025 05:51:02 -0700 In-Reply-To: <56fcb1ba-b9c1-4ec5-b1c5-dc90e3d81552@lucifer.local> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67ed32b6.050a0220.297a31.001a.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-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 8410840004 X-Stat-Signature: 35wgahbqag8ntw8cybzbibzq8s1zmfbp X-Rspam-User: X-HE-Tag: 1743598263-133665 X-HE-Meta: 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 HLCmVCZV 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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=13bf9998580000 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.