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Mon, 14 Apr 2025 02:55:04 -0700 (PDT) Date: Mon, 14 Apr 2025 02:55:04 -0700 In-Reply-To: <67c1652c.050a0220.1baf.000d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67fcdb78.050a0220.3483fc.0022.GAE@google.com> Subject: Re: [syzbot] [sound?] [mm?] kernel BUG in filemap_fault From: syzbot To: akpm@linux-foundation.org, edumazet@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-sound@vger.kernel.org, perex@perex.cz, sven@narfation.org, sw@simonwunderlich.de, syzkaller-bugs@googlegroups.com, tiwai@suse.com Content-Type: text/plain; charset="UTF-8" X-Rspamd-Queue-Id: 89AB8160004 X-Stat-Signature: je7jzs3if971emhgtjmcu3i7bgtyfcx6 X-Rspam-User: X-Rspamd-Server: rspam12 X-HE-Tag: 1744624505-37644 X-HE-Meta: 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 taSZebJS 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 6LxyxPzc CzWwk+9eIsyDqxBrgufmDLmW+Wid+Smwv0rmPSiP4DlvhMWmtSUbICYU7xWxHWUcH9bE+G2l9GSWMp8eih7l2JQhvM8WxECR 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: syzbot has bisected this issue to: commit 00b35530811f2aa3d7ceec2dbada80861c7632a8 Author: Eric Dumazet Date: Thu Feb 6 14:04:22 2025 +0000 batman-adv: adopt netdev_hold() / netdev_put() bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=11f8df4c580000 start commit: 7cdabafc0012 Merge tag 'trace-v6.15-rc1' of git://git.kern.. git tree: upstream final oops: https://syzkaller.appspot.com/x/report.txt?x=13f8df4c580000 console output: https://syzkaller.appspot.com/x/log.txt?x=15f8df4c580000 kernel config: https://syzkaller.appspot.com/x/.config?x=fb8650d88e9fb80f dashboard link: https://syzkaller.appspot.com/bug?extid=f37372d86207b3bb2941 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17eddc04580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=11632a3f980000 Reported-by: syzbot+f37372d86207b3bb2941@syzkaller.appspotmail.com Fixes: 00b35530811f ("batman-adv: adopt netdev_hold() / netdev_put()") For information about bisection process see: https://goo.gl/tpsmEJ#bisection