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Thu, 16 Jan 2025 15:18:05 -0800 (PST) Date: Thu, 16 Jan 2025 15:18:05 -0800 In-Reply-To: <6708ce33.050a0220.3e960.000e.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <678993ad.050a0220.20d369.0047.GAE@google.com> Subject: Re: [syzbot] [mm?] INFO: rcu detected stall in sys_mprotect (8) From: syzbot To: Liam.Howlett@oracle.com, akpm@linux-foundation.org, davem@davemloft.net, jannh@google.com, jhs@mojatatu.com, jiri@resnulli.us, liam.howlett@oracle.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org, lorenzo.stoakes@oracle.com, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com, vbabka@suse.cz, vinicius.gomes@intel.com, xiyou.wangcong@gmail.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 75A2114000B X-Stat-Signature: 4a9y9fm7655roy58kqbwmmjafawepce6 X-HE-Tag: 1737069486-185694 X-HE-Meta: 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 qwYcW3FI 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 B9+C4VuX D4ADWKCIuevOUmMF8qvlOtXrxiwpfWI1iHkrHh6o/7eqE3yuoc0dojWOLoK8suKaMRYlKrVCwiZ7gojnHy/MKdvAmvmZPWsds6LRHqJ9le+P5DBNkatECAsZZDLegbcH1LHwnCEe0Njw2JaMh2NeLGb4j9QfsgUOtZkWl8n+1G0aup+G/yaBQvcC6LT5jIVKdjwxfQll3FJv6GFfRvsivQ== 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 5a781ccbd19e4664babcbe4b4ead7aa2b9283d22 Author: Vinicius Costa Gomes Date: Sat Sep 29 00:59:43 2018 +0000 tc: Add support for configuring the taprio scheduler bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=124e5a18580000 start commit: 31eae6d99587 selftests: drv-net: test drivers sleeping in .. git tree: net-next final oops: https://syzkaller.appspot.com/x/report.txt?x=114e5a18580000 console output: https://syzkaller.appspot.com/x/log.txt?x=164e5a18580000 kernel config: https://syzkaller.appspot.com/x/.config?x=289acde585746aad dashboard link: https://syzkaller.appspot.com/bug?extid=6f7c31cf5ae4944ad6f0 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11d7270f980000 Reported-by: syzbot+6f7c31cf5ae4944ad6f0@syzkaller.appspotmail.com Fixes: 5a781ccbd19e ("tc: Add support for configuring the taprio scheduler") For information about bisection process see: https://goo.gl/tpsmEJ#bisection