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Mon, 25 May 2026 10:12:09 -0700 (PDT) Received: from li-4c4c4544-0032-4210-804c-c3c04f423534.ibm.com ([2600:1700:6476:1430::29]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7d38be2dc9csm48481197b3.24.2026.05.25.10.12.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 May 2026 10:12:08 -0700 (PDT) Message-ID: <155a19235c64afa717aeb19c8d596d2b45887df3.camel@redhat.com> Subject: Re: [BUG] hfs: crafted image can deadlock in hfs_mdb_commit() From: Viacheslav Dubeyko To: Sam Sun , slava@dubeyko.com, glaubitz@physik.fu-berlin.de, frank.li@vivo.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: syzkaller@googlegroups.com Date: Mon, 25 May 2026 10:12:07 -0700 In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.60.0 (3.60.0-1.fc44app2) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Sat, 2026-05-23 at 14:49 +0800, Sam Sun wrote: > Dear developers and maintainers, >=20 > We found a reproducible hung task in HFS with a crafted filesystem > image. The C reproducer and a small proposed patch are included below. > The crash report shows: >=20 If you would like to submit the patch, then, please, prepare and send the f= ormal patch. Currently, this message is completely unmanageable. Thanks, Slava.