On Tuesday, November 04, 2014 12:12:56 PM Vinson Lee wrote: > Hi. > > trinity triggered this kernel warning in selinux_netlink_send on Linux > 3.18-rc3. It looks like trinity sent a bogus netlink message to the kernel and SELinux responded as I would expect it to, with a WARN_ONCE() message. Thank you for your help in testing, but I don't see a problem here that needs to be resolved. > ------------[ cut here ]------------ > WARNING: CPU: 8 PID: 53557 at security/selinux/hooks.c:4730 > selinux_netlink_send+0x9e/0xfc() > selinux_nlmsg_perm: unrecognized netlink message: protocol=0 > nlmsg_type=0 sclass=30 > Modules linked in: af_key l2tp_ppp l2tp_netlink l2tp_core nfnetlink > can_bcm scsi_transport_iscsi can_raw can pppoe pppox ppp_generic slhc > netconsole configfs ipv6 dm_multipath scsi_dh video sbs sbshc acpi_pad > acpi_ipmi parport_pc lp parport tcp_diag inet_diag ipmi_devintf sg > mlx4_en ptp pps_core vxlan udp_tunnel ip6_udp_tunnel mlx4_core > iTCO_wdt iTCO_vendor_support dcdbas wmi ioatdma sb_edac hed i2c_i801 > i2c_core microcode edac_core ipmi_si ipmi_msghandler lpc_ich mfd_core > shpchp dca ahci libahci libata sd_mod scsi_mod > CPU: 8 PID: 53557 Comm: trinity-c8 Not tainted 3.18.0-rc3 #1 > 0000000000000009 ffff88104c153be8 ffffffff814daf56 00000000000000e5 > ffff88104c153c38 ffff88104c153c28 ffffffff8106010d ffffffff8142815f > ffffffff8123431e 00000000ffffffea ffff8800770be800 0000000000000000 > Call Trace: > [<ffffffff814daf56>] dump_stack+0x46/0x58 > [<ffffffff8106010d>] warn_slowpath_common+0x81/0x9b > [<ffffffff8142815f>] ? __alloc_skb+0x84/0x1b1 > [<ffffffff8123431e>] ? selinux_netlink_send+0x9e/0xfc > [<ffffffff8106016d>] warn_slowpath_fmt+0x46/0x48 > [<ffffffff8123431e>] selinux_netlink_send+0x9e/0xfc > [<ffffffff8123119b>] security_netlink_send+0x16/0x18 > [<ffffffff8145bf30>] netlink_sendmsg+0x570/0x630 > [<ffffffff81232aeb>] ? sock_has_perm+0x63/0x6a > [<ffffffff8141ea6f>] __sock_sendmsg_nosec+0x25/0x27 > [<ffffffff81420252>] sock_aio_write+0xc6/0xdd > [<ffffffff81233255>] ? file_has_perm+0x5d/0x81 > [<ffffffff8116835b>] do_sync_write+0x55/0x78 > [<ffffffff81168c8e>] vfs_write+0xbb/0x124 > [<ffffffff81169321>] SyS_write+0x44/0x78 > [<ffffffff814e26b9>] ia32_do_call+0x13/0x13 > ---[ end trace 9c4105cdf6c3f1b1 ]--- > > Cheers, > Vinson -- paul moore www.paul-moore.com -- To unsubscribe from this list: send the line "unsubscribe trinity" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
