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Mon, 24 Jul 2023 10:20:45 -0700 (PDT) Date: Mon, 24 Jul 2023 10:20:45 -0700 In-Reply-To: <13125.1690215929@warthog.procyon.org.uk> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000bd577706013ed580@google.com> Subject: Re: [syzbot] [block?] KASAN: slab-out-of-bounds Read in bio_split_rw From: syzbot To: akpm@linux-foundation.org, axboe@kernel.dk, dhowells@redhat.com, herbert@gondor.apana.org.au, kuba@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" X-Rspam-User: X-Rspamd-Server: rspam06 X-Rspamd-Queue-Id: A1D45C0013 X-Stat-Signature: z3mmta9zx6itaieqjdgwexdapuwijh5j X-HE-Tag: 1690219246-292322 X-HE-Meta: U2FsdGVkX1/lTpeomUvrs+weybxDL+faPlmObFPJhe5mi+6LRDREz7CMtIRscyS8GRtHQIyjFdk7PvgVljUMPeUUnzlb3fAzy3Jat75FGKTUZeVZxEGeMEFDE1/ZakjywxdD0mNVW98kDtvh5B+Y9bkmBTlFocosQ5ZF11wQ+K2LQIXWfoXf7rIKpDAn5ZYqMRGhVkBdWEUi6wU6ap1fAjRv2SJvwd3vLujuoNCLczf8QYhMeVKCLgNaPJN7Mm/MyVR6phlFm/ZtC58V3RE+k/T5vkS7j3YkfgAJiP+AmwlTxvFitPGo/eghz/YgSERkDgWTyTFM3FROqtnfeqOFVgU7vcsRpQ80NoPMhQsW7LhCKlvXppqz7p64+MQkg/O97TSVCQ/DO9Ti4wWWOM2vCo3iL2TusMIkwjBpdorjoB/fsdc+9f9A+VeSbKqGQUx43W/oA7IBAp/GEepQqswdWlb07pcnoKPWz2SYaa/8ldcYvz/j0ZlmYSi9g9mRyuvdD30NtbehSyIOskZ0Ov8cMtaughCwdkC2cwtS4gPcLogVsbae1UYbSbKisSafoTLZ25VPCxl/R3A0Fy55PS9pvcPnXoJ5ZWm8lQ0+zfG4LEqX29scKANSu3qmSUPBdIQvWUx/YmM2gohqNy8lo2kSkoU9mSlPwCmya38yzw5A0uo5oGPlrzo203larSEgSgfL5KS9j7c3xIZusKQoC8dcxb+fOLY1MuMZ0YT3nj3WsCbIzbNwSZpsjzT3H2dcgolVFdRPOrBv/K3pkMNfZA7xfpnrXBbZ+XJPCKupXs+ZcbzjwPpHmRYAMg+kVhup0nYF8N/3eoMUmanpWXYv1H9wyulaSlJDf8+my0YUd7S4Cr0h+BnxRnAY5plySvMnyhZFI2J4jkKuiEc9vljcC6jBmVszD68CaxYOt4e1NFYZ2kGt5hxV4C0FzB2QVHNnzKzwPxaoleKcrLWRSga5G8H mJRNltd+ 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 xn6jW6+f LFPbC1H3tKIoQ7UjdIt+4wi9diNSYMuXuwN0giGjAg8PG5ItSL5df9nbupFe0EmI 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: Hello, syzbot has tested the proposed patch and the reproducer did not trigger any issue: Reported-and-tested-by: syzbot+6f66f3e78821b0fff882@syzkaller.appspotmail.com Tested on: commit: 0b7ec177 crypto: algif_hash - Fix race between MORE an.. git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git console output: https://syzkaller.appspot.com/x/log.txt?x=157554a1a80000 kernel config: https://syzkaller.appspot.com/x/.config?x=bccf8d7311b80058 dashboard link: https://syzkaller.appspot.com/bug?extid=6f66f3e78821b0fff882 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 Note: no patches were applied. Note: testing is done by a robot and is best-effort only.