linux-kernel - Re: [syzbot] [wireless?] INFO: rcu detected stall in ieee80211_handle_queued

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Message-Id: <20240904104423.1852-1-hdanton@sina.com>
Date: Wed,  4 Sep 2024 18:44:23 +0800
From: Hillf Danton <hdanton@...a.com>
To: syzbot <syzbot+1c991592da3ef18957c0@...kaller.appspotmail.com>
Cc: linux-kernel@...r.kernel.org,
	syzkaller-bugs@...glegroups.com
Subject: Re: [syzbot] [wireless?] INFO: rcu detected stall in ieee80211_handle_queued_frames

On Tue, 03 Sep 2024 00:16:22 -0700
> syzbot has found a reproducer for the following issue on:
> 
> HEAD commit:    67784a74e258 Merge tag 'ata-6.11-rc7' of git://git.kernel...
> git tree:       upstream
> C reproducer:   https://syzkaller.appspot.com/x/repro.c?x=171543db980000

#syz test upstream   67784a74e258

--- l/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ h/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -754,6 +754,7 @@ static void ath9k_hif_usb_reg_in_cb(stru
 	case -ESHUTDOWN:
 		goto free_skb;
 	default:
+		goto free_skb;
 		skb_reset_tail_pointer(skb);
 		skb_trim(skb, 0);
 
--