From: Dan Carpenter <dan.carpenter@oracle.com> To: kbuild@lists.01.org Subject: [linux-next:master 3872/6512] net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) Date: Tue, 23 Mar 2021 15:43:24 +0300 [thread overview] Message-ID: <20210323124324.GL1667@kadam> (raw) [-- Attachment #1: Type: text/plain, Size: 2565 bytes --] tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d949689e7383cd5271470f2b99dbe2fd3199bffd commit: 2e1614f7d61e407f1a8e7935a2903a6fa3cb0b11 [3872/6512] Bluetooth: SMP: Convert BT_ERR/BT_DBG to bt_dev_err/bt_dev_dbg config: powerpc-randconfig-m031-20210323 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> smatch warnings: net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) vim +/conn +1633 net/bluetooth/smp.c 2b64d153a0cc9d Brian Gix 2011-12-21 1623 int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey) 2b64d153a0cc9d Brian Gix 2011-12-21 1624 { b10e8017bd9d02 Johan Hedberg 2014-06-27 1625 struct l2cap_conn *conn = hcon->l2cap_data; 5d88cc73dded31 Johan Hedberg 2014-08-08 1626 struct l2cap_chan *chan; 2b64d153a0cc9d Brian Gix 2011-12-21 1627 struct smp_chan *smp; 2b64d153a0cc9d Brian Gix 2011-12-21 1628 u32 value; fc75cc8684d21d Johan Hedberg 2014-09-05 1629 int err; 2b64d153a0cc9d Brian Gix 2011-12-21 1630 2e1614f7d61e40 Luiz Augusto von Dentz 2021-03-15 @1631 bt_dev_dbg(conn->hcon->hdev, ""); ^^^^^^^^^^ Unchecked dereference 2b64d153a0cc9d Brian Gix 2011-12-21 1632 fc75cc8684d21d Johan Hedberg 2014-09-05 @1633 if (!conn) ^^^^^ Checked too late 2b64d153a0cc9d Brian Gix 2011-12-21 1634 return -ENOTCONN; 2b64d153a0cc9d Brian Gix 2011-12-21 1635 5d88cc73dded31 Johan Hedberg 2014-08-08 1636 chan = conn->smp; 5d88cc73dded31 Johan Hedberg 2014-08-08 1637 if (!chan) 5d88cc73dded31 Johan Hedberg 2014-08-08 1638 return -ENOTCONN; 5d88cc73dded31 Johan Hedberg 2014-08-08 1639 fc75cc8684d21d Johan Hedberg 2014-09-05 1640 l2cap_chan_lock(chan); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org [-- Attachment #2: config.gz --] [-- Type: application/gzip, Size: 25715 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Dan Carpenter <dan.carpenter@oracle.com> To: kbuild-all@lists.01.org Subject: [kbuild] [linux-next:master 3872/6512] net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) Date: Tue, 23 Mar 2021 15:43:24 +0300 [thread overview] Message-ID: <20210323124324.GL1667@kadam> (raw) [-- Attachment #1: Type: text/plain, Size: 2565 bytes --] tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d949689e7383cd5271470f2b99dbe2fd3199bffd commit: 2e1614f7d61e407f1a8e7935a2903a6fa3cb0b11 [3872/6512] Bluetooth: SMP: Convert BT_ERR/BT_DBG to bt_dev_err/bt_dev_dbg config: powerpc-randconfig-m031-20210323 (attached as .config) compiler: powerpc-linux-gcc (GCC) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <dan.carpenter@oracle.com> smatch warnings: net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) vim +/conn +1633 net/bluetooth/smp.c 2b64d153a0cc9d Brian Gix 2011-12-21 1623 int smp_user_confirm_reply(struct hci_conn *hcon, u16 mgmt_op, __le32 passkey) 2b64d153a0cc9d Brian Gix 2011-12-21 1624 { b10e8017bd9d02 Johan Hedberg 2014-06-27 1625 struct l2cap_conn *conn = hcon->l2cap_data; 5d88cc73dded31 Johan Hedberg 2014-08-08 1626 struct l2cap_chan *chan; 2b64d153a0cc9d Brian Gix 2011-12-21 1627 struct smp_chan *smp; 2b64d153a0cc9d Brian Gix 2011-12-21 1628 u32 value; fc75cc8684d21d Johan Hedberg 2014-09-05 1629 int err; 2b64d153a0cc9d Brian Gix 2011-12-21 1630 2e1614f7d61e40 Luiz Augusto von Dentz 2021-03-15 @1631 bt_dev_dbg(conn->hcon->hdev, ""); ^^^^^^^^^^ Unchecked dereference 2b64d153a0cc9d Brian Gix 2011-12-21 1632 fc75cc8684d21d Johan Hedberg 2014-09-05 @1633 if (!conn) ^^^^^ Checked too late 2b64d153a0cc9d Brian Gix 2011-12-21 1634 return -ENOTCONN; 2b64d153a0cc9d Brian Gix 2011-12-21 1635 5d88cc73dded31 Johan Hedberg 2014-08-08 1636 chan = conn->smp; 5d88cc73dded31 Johan Hedberg 2014-08-08 1637 if (!chan) 5d88cc73dded31 Johan Hedberg 2014-08-08 1638 return -ENOTCONN; 5d88cc73dded31 Johan Hedberg 2014-08-08 1639 fc75cc8684d21d Johan Hedberg 2014-09-05 1640 l2cap_chan_lock(chan); --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org _______________________________________________ kbuild mailing list -- kbuild(a)lists.01.org To unsubscribe send an email to kbuild-leave(a)lists.01.org [-- Attachment #2: config.gz --] [-- Type: application/gzip, Size: 25715 bytes --]
next reply other threads:[~2021-03-23 12:43 UTC|newest] Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-23 12:43 Dan Carpenter [this message] 2021-03-23 12:43 ` [kbuild] [linux-next:master 3872/6512] net/bluetooth/smp.c:1633 smp_user_confirm_reply() warn: variable dereferenced before check 'conn' (see line 1631) Dan Carpenter -- strict thread matches above, loose matches on Subject: below -- 2021-03-23 9:52 kernel test robot
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20210323124324.GL1667@kadam \ --to=dan.carpenter@oracle.com \ --cc=kbuild@lists.01.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.