Hi Khazhismel, [auto build test WARNING on mkp-scsi/for-next] [also build test WARNING on v4.12 next-20170713] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Khazhismel-Kumykov/libiscsi-Fix-use-after-free-race-during-iscsi_session_teardown/20170713-231300 base: https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git for-next config: xtensa-allyesconfig (attached as .config) compiler: xtensa-linux-gcc (GCC) 4.9.0 reproduce: wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=xtensa All warnings (new ones prefixed by >>): drivers//scsi/libiscsi.c: In function 'iscsi_session_teardown': >> drivers//scsi/libiscsi.c:2863:2: warning: passing argument 1 of 'iscsi_remove_session' from incompatible pointer type iscsi_remove_session(session); ^ In file included from drivers//scsi/libiscsi.c:41:0: include/scsi/scsi_transport_iscsi.h:435:13: note: expected 'struct iscsi_cls_session *' but argument is of type 'struct iscsi_session *' extern void iscsi_remove_session(struct iscsi_cls_session *session); ^ vim +/iscsi_remove_session +2863 drivers//scsi/libiscsi.c 2850 2851 /** 2852 * iscsi_session_teardown - destroy session, host, and cls_session 2853 * @cls_session: iscsi session 2854 */ 2855 void iscsi_session_teardown(struct iscsi_cls_session *cls_session) 2856 { 2857 struct iscsi_session *session = cls_session->dd_data; 2858 struct module *owner = cls_session->transport->owner; 2859 struct Scsi_Host *shost = session->host; 2860 2861 iscsi_pool_free(&session->cmdpool); 2862 > 2863 iscsi_remove_session(session); 2864 2865 kfree(session->password); 2866 kfree(session->password_in); 2867 kfree(session->username); 2868 kfree(session->username_in); 2869 kfree(session->targetname); 2870 kfree(session->targetalias); 2871 kfree(session->initiatorname); 2872 kfree(session->boot_root); 2873 kfree(session->boot_nic); 2874 kfree(session->boot_target); 2875 kfree(session->ifacename); 2876 kfree(session->portal_type); 2877 kfree(session->discovery_parent_type); 2878 2879 iscsi_free_session(cls_session); 2880 2881 iscsi_host_dec_session_cnt(shost); 2882 module_put(owner); 2883 } 2884 EXPORT_SYMBOL_GPL(iscsi_session_teardown); 2885 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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