From: syzbot <syzbot+b6c9fe29aefe68e4ad34@syzkaller.appspotmail.com>
To: davem@davemloft.net, johannes@sipsolutions.net, kuba@kernel.org,
linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org,
netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com
Subject: Re: WARNING in ieee80211_ibss_csa_beacon
Date: Fri, 04 Dec 2020 18:28:08 -0800 [thread overview]
Message-ID: <000000000000fcafca05b5ae5739@google.com> (raw)
In-Reply-To: <0000000000008c848805b123f174@google.com>
syzbot has found a reproducer for the following issue on:
HEAD commit: e87297fa Merge tag 'drm-fixes-2020-12-04' of git://anongit..
git tree: upstream
console output: https://syzkaller.appspot.com/x/log.txt?x=1412f617500000
kernel config: https://syzkaller.appspot.com/x/.config?x=e49433cfed49b7d9
dashboard link: https://syzkaller.appspot.com/bug?extid=b6c9fe29aefe68e4ad34
compiler: gcc (GCC) 10.1.0-syz 20200507
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=15131837500000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=14550ecf500000
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+b6c9fe29aefe68e4ad34@syzkaller.appspotmail.com
wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50
wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50
------------[ cut here ]------------
WARNING: CPU: 0 PID: 21 at net/mac80211/ibss.c:504 ieee80211_ibss_csa_beacon+0x5ec/0x730 net/mac80211/ibss.c:504
Modules linked in:
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.10.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: phy10 ieee80211_csa_finalize_work
RIP: 0010:ieee80211_ibss_csa_beacon+0x5ec/0x730 net/mac80211/ibss.c:504
Code: ff e8 a8 b7 9c 00 31 ff 89 c5 89 c6 e8 9d 2c 27 f9 85 ed 0f 85 84 fa ff ff e8 40 34 27 f9 0f 0b e9 78 fa ff ff e8 34 34 27 f9 <0f> 0b 41 bd ea ff ff ff e9 e1 fd ff ff e8 72 b2 68 f9 e9 8f fa ff
RSP: 0018:ffffc90000dbfc50 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88801c070c00 RCX: ffffffff8155a937
RDX: ffff888010e1b480 RSI: ffffffff8848d04c RDI: 0000000000000000
RBP: 0000000000000002 R08: 0000000000000001 R09: ffffffff8ebaf727
R10: fffffbfff1d75ee4 R11: 0000000000000001 R12: 0000000000000000
R13: ffff88801c0718f0 R14: ffff888022400c80 R15: ffff88801c071248
FS: 0000000000000000(0000) GS:ffff8880b9f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdcb7060000 CR3: 0000000012b2b000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
ieee80211_set_after_csa_beacon net/mac80211/cfg.c:3133 [inline]
__ieee80211_csa_finalize+0x504/0xbf0 net/mac80211/cfg.c:3189
ieee80211_csa_finalize net/mac80211/cfg.c:3212 [inline]
ieee80211_csa_finalize_work+0x131/0x170 net/mac80211/cfg.c:3237
process_one_work+0x933/0x15a0 kernel/workqueue.c:2272
worker_thread+0x64c/0x1120 kernel/workqueue.c:2418
kthread+0x3b1/0x4a0 kernel/kthread.c:292
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296
next prev parent reply other threads:[~2020-12-05 2:29 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-08 7:40 WARNING in ieee80211_ibss_csa_beacon syzbot
2020-12-05 2:28 ` syzbot [this message]
2022-08-10 11:35 ` Siddh Raman Pant
2022-08-10 16:47 ` [syzbot] " syzbot
2022-08-11 6:41 ` Siddh Raman Pant
2022-08-11 13:01 ` syzbot
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