lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20100914142814.GA8744@redhat.com> Date: Tue, 14 Sep 2010 16:28:15 +0200 From: "Michael S. Tsirkin" <mst@...hat.com> To: linux-kernel@...r.kernel.org Cc: "John W. Linville" <linville@...driver.com>, Johannes Berg <johannes@...solutions.net>, "David S. Miller" <davem@...emloft.net>, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, Reinette Chatre <reinette.chatre@...el.com>, Wey-Yi Guy <wey-yi.w.guy@...el.com>, Intel Linux Wireless <ilw@...ux.intel.com> Subject: 2.6.36-rc4/iwl: warning triggered in net/mac80211/scan.c:266 I am running 2.6.36-rc4 on T60 with an iwlagn wireless card: 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection I was compiling a large file which stressed the box heavily, and the following warning in net/mac80211/scan.c triggered: /* * It's ok to abort a not-yet-running scan (that * we have one at all will be verified by checking * local->scan_req next), but not to complete it * successfully. */ if (WARN_ON(!local->scanning && !aborted)) aborted = true; dmesg below: [84379.361297] ------------[ cut here ]------------ [84379.361307] WARNING: at net/mac80211/scan.c:266 ieee80211_scan_completed+0x43/0x17f() [84379.361311] Hardware name: 2241B48 [84379.361313] Modules linked in: tun iwlagn kvm_intel kvm iwlcore e1000e thinkpad_acpi [last unloaded: scsi_wait_scan] [84379.361325] Pid: 8254, comm: kworker/u:0 Not tainted 2.6.36-rc4-mst #96 [84379.361328] Call Trace: [84379.361334] [<ffffffff815d1399>] ? ieee80211_scan_completed+0x43/0x17f [84379.361340] [<ffffffff81042046>] warn_slowpath_common+0x80/0x99 [84379.361354] [<ffffffffa005d8e7>] ? iwl_generic_cmd_callback+0x0/0xe4 [iwlcore] [84379.361359] [<ffffffff81042074>] warn_slowpath_null+0x15/0x17 [84379.361363] [<ffffffff815d1399>] ieee80211_scan_completed+0x43/0x17f [84379.361374] [<ffffffffa0065212>] iwl_bg_scan_completed+0x1ce/0x1d7 [iwlcore] [84379.361380] [<ffffffff81057153>] process_one_work+0x1e2/0x301 [84379.361391] [<ffffffffa0065044>] ? iwl_bg_scan_completed+0x0/0x1d7 [iwlcore] [84379.361395] [<ffffffff8105752c>] worker_thread+0x130/0x243 [84379.361400] [<ffffffff810573fc>] ? worker_thread+0x0/0x243 [84379.361404] [<ffffffff8105bc1b>] kthread+0x81/0x89 [84379.361409] [<ffffffff81003914>] kernel_thread_helper+0x4/0x10 [84379.361413] [<ffffffff8105bb9a>] ? kthread+0x0/0x89 [84379.361417] [<ffffffff81003910>] ? kernel_thread_helper+0x0/0x10 [84379.361420] ---[ end trace c5ebbd902daa4ea8 ]--- [84379.361422] ------------[ cut here ]------------ [84379.361426] WARNING: at net/mac80211/scan.c:269 ieee80211_scan_completed+0x62/0x17f() [84379.361429] Hardware name: 2241B48 [84379.361431] Modules linked in: tun iwlagn kvm_intel kvm iwlcore e1000e thinkpad_acpi [last unloaded: scsi_wait_scan] [84379.361441] Pid: 8254, comm: kworker/u:0 Tainted: G W 2.6.36-rc4-mst #96 [84379.361461] Call Trace: [84379.361464] [<ffffffff815d13b8>] ? ieee80211_scan_completed+0x62/0x17f [84379.361469] [<ffffffff81042046>] warn_slowpath_common+0x80/0x99 [84379.361479] [<ffffffffa005d8e7>] ? iwl_generic_cmd_callback+0x0/0xe4 [iwlcore] [84379.361484] [<ffffffff81042074>] warn_slowpath_null+0x15/0x17 [84379.361488] [<ffffffff815d13b8>] ieee80211_scan_completed+0x62/0x17f [84379.361503] [<ffffffffa0065212>] iwl_bg_scan_completed+0x1ce/0x1d7 [iwlcore] [84379.361506] [<ffffffff81057153>] process_one_work+0x1e2/0x301 [84379.361512] [<ffffffffa0065044>] ? iwl_bg_scan_completed+0x0/0x1d7 [iwlcore] [84379.361515] [<ffffffff8105752c>] worker_thread+0x130/0x243 [84379.361517] [<ffffffff810573fc>] ? worker_thread+0x0/0x243 [84379.361519] [<ffffffff8105bc1b>] kthread+0x81/0x89 [84379.361522] [<ffffffff81003914>] kernel_thread_helper+0x4/0x10 [84379.361524] [<ffffffff8105bb9a>] ? kthread+0x0/0x89 [84379.361526] [<ffffffff81003910>] ? kernel_thread_helper+0x0/0x10 [84379.361528] ---[ end trace c5ebbd902daa4ea9 ]--- Should this happen? Does anyone care? I am not sure how reproducible this is. Thanks, -- MST -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists