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Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <202507220801.50a7210-lkp@intel.com> To: Pedro Falcato Cc: dhowells@redhat.com, kernel test robot , Vlastimil Babka , oe-lkp@lists.linux.dev, lkp@intel.com, Roman Gushchin , Harry Yoo , linux-mm@kvack.org Subject: Re: [linux-next:master] [mm, slab] 5660ee54e7: BUG:KASAN:stack-out-of-bounds_in_copy_from_iter MIME-Version: 1.0 Date: Mon, 28 Jul 2025 21:46:48 +0100 Message-ID: <659285.1753735608@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: TwnxWleLPN8kUfnwzk9cs9Kv-0pzUVPYyps7GQQW-4g_1753735613 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset="us-ascii" Content-ID: <659284.1753735608.1@warthog.procyon.org.uk> Content-Transfer-Encoding: quoted-printable X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 67BBC80009 X-Stat-Signature: wyd1aigd7xtoyo7cpc6desxkz4ugabsj X-Rspam-User: X-HE-Tag: 1753735618-429391 X-HE-Meta: U2FsdGVkX1+X3CqUDvCcWh09wWLwYRQpV+spmDmZ0tnLnxnmUH8vecEX6ORL1dBK1JZHDYNYEiOluwJ6sQ93awyGrCUeq8X96jXtDDQRHf1olejKILqxAnHAtZReIw+cBN54gXb6sl/iCNXNR8rN4XeYPFjWR0qNGApjm1beAlEaAOox6JWBiykzHuF4J9UPCHuiWLlv1JktcYZkiZtM6LQBhbZHbx3j20US0BmvnY4gBwmTo4k2BG69MB36oNCuCL8oZCInrcpyn/ONi/zA7wD8B1OPMMhLMeKoeYcUi3BFrL6rox6q4x0wurtsHj3oHnglBtpKdRDDwlensP2c1HC6n/5rT0EMVSlumiEIszvkIWk1RcIWEomb85jUP69OU/0bhdxCfwPl9UYxIsMCpDORC30QXPt7MLEqGAO0tD7jzx3+INBY7f9849cDK5ke6ZXGQtfo5UpdavgdXrOD9vmmxLMXF56Ij8GgBaTb0fDxcRcQ3y7S4SLT/f++pQ4c8uiITW+0Bb6Kfa+/kwjapk41MJVpoxceaRpyZUot5Anwnx4bcyOBNxcXbjNvzZoY+mo8GjmNfpwSmpkXQII8xplaA66Dsg3wSnrEA+PZ+7EcliXHDvqdoHRhsQs5aw5jMSG++B9eXJWn/mwOR3W8kPlNSp/+ngwa06nTypMmt65pJL1jQwJEi6GxGnmPB1MMgDqK4MtCCVFmAjhYV7lvacjvXNlARoUe8o0B+pGHjocDvvzfLYgOO9YbRC59UlFwonMbeihBMMxef0IfOu/rOQ/Dwf30xE0x/h1bVUowgj9SxZVLDL8+plkqVcYBUtszj78HQaHNtieZVfioSLVEi4ZpD7xN+Ih1/eHZ+hUh00miHQY8+3eNdJ2zFnnMUIot193ZdaO3mnBMWtxZBooAPoSVtotMkvyal4xjbJqFvUVSV677WeirEWvI0hpgCBNogJFDySJM0biJ662XPuJ Nwl+6rCS QD+cnzdW2HFCZ6EKswkJXCQALJzlMm44oL/5YtS+1vqpstXoaAvEJjkZVlaeBgLpgY6v5AcHy2i3DrhW8XivVZ1euxV4NNMkbY2HJgJpmNOYW6WbhgT4x2RGfAk76Umz5w2Q2idrEOrbymYwD0PG+7sulhb/Bkp7AMnevpZEsgSkusWgpUHZ7nPB0ymvgvgKFqKxFi0uRPmADt0inUPfDeLP1S6OHSrpiQQXzpLL/7EpiZWsy5IWmOSJgNF+JjR06e6VAFn6QfCp0kwJjRQjawFKDRvfqMKbLkNau8ZmE1pFZh1vL/aIpE/6tPLNytriC/muVf5JElod2+EVXYZYdby93FAnkAjMhWAZBbZen8nOQ5z/X+dS69MBiHB96Jb29Km3G62OL+lg8MRY= 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: Pedro Falcato wrote: > --- a/drivers/infiniband/sw/siw/siw_qp_tx.c > +++ b/drivers/infiniband/sw/siw/siw_qp_tx.c > @@ -332,11 +332,11 @@ static int siw_tcp_sendpages(struct socket *s, stru= ct page **page, int offset, > if (!sendpage_ok(page[i])) > msg.msg_flags &=3D ~MSG_SPLICE_PAGES; > bvec_set_page(&bvec, page[i], bytes, offset); > - iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, size)= ; > + iov_iter_bvec(&msg.msg_iter, ITER_SOURCE, &bvec, 1, bytes= ); >=20 > try_page_again: > lock_sock(sk); > - rv =3D tcp_sendmsg_locked(sk, &msg, size); > + rv =3D tcp_sendmsg_locked(sk, &msg, bytes); > release_sock(sk); >=20 > if (rv > 0) { Looks good. Reviewed-by: David Howells