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Fri, 13 Dec 2024 08:36:10 +0000 From: Kuniyuki Iwashima To: CC: , , , , , , Subject: Re: [syzbot] [wireless?] BUG: sleeping function called from invalid context in wext_netdev_notifier_call Date: Fri, 13 Dec 2024 17:36:07 +0900 Message-ID: <20241213083607.8520-1-kuniyu@amazon.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <301ccb4cf2451c748d2b9b68648be7cfadf75c6a.camel@sipsolutions.net> References: <301ccb4cf2451c748d2b9b68648be7cfadf75c6a.camel@sipsolutions.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: EX19D031UWA004.ant.amazon.com (10.13.139.19) To EX19D004ANA001.ant.amazon.com (10.37.240.138) From: Johannes Berg Date: Thu, 12 Dec 2024 09:52:44 +0100 > On Wed, 2024-12-11 at 20:41 -0800, syzbot wrote: > > CPU: 1 UID: 0 PID: 12894 Comm: kworker/u8:18 Not tainted 6.13.0-rc1-syzkaller-00183-g4c49f38e20a5 #0 > > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 > > Workqueue: bond0 bond_mii_monitor > > Call Trace: > > > > __dump_stack lib/dump_stack.c:94 [inline] > > dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 > > __might_resched+0x5d4/0x780 kernel/sched/core.c:8758 > > down_read+0x8e/0xa40 kernel/locking/rwsem.c:1523 > > wireless_nlevent_flush net/wireless/wext-core.c:351 [inline] > > wext_netdev_notifier_call+0x1f/0x120 net/wireless/wext-core.c:371 > > notifier_call_chain+0x1a5/0x3f0 kernel/notifier.c:85 > > netdev_state_change+0x11f/0x1a0 net/core/dev.c:1378 > > linkwatch_do_dev+0x112/0x170 net/core/link_watch.c:182 > > ethtool_op_get_link+0x15/0x60 net/ethtool/ioctl.c:62 > > bond_check_dev_link+0x1f1/0x3f0 drivers/net/bonding/bond_main.c:873 > > bond_miimon_inspect drivers/net/bonding/bond_main.c:2740 [inline] > > bond_mii_monitor+0x49a/0x3170 drivers/net/bonding/bond_main.c:2962 > > Yeah this isn't new. I thought we were going to just squash this with > > https://lore.kernel.org/netdev/2730097.1721581672@famine/ > > Whatever came of that? Now I remember I forgot to respin this patch. https://lore.kernel.org/linux-wireless/20241014205543.94787-4-kuniyu@amazon.com/ If the issue above is still not fixed, I will respin it on wireless.git with Fixes tag. What do you think ?