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AJvYcCUKIp2+pjE3pFPhgOxUKqk3oUBEPrF9Xv7s46Qkrj1N+qRbRHqRDPb/PZ6Uv/sAfHyl29sDV+w=@vger.kernel.org X-Gm-Message-State: AOJu0YzAcXi+WTitLmsoZAi6AOqnUrmkQUwQPWAmKIsTnLCODffyfqad t4nBunoOnK6IDwAF76iKGuvin++QhKdsx53MVSgww76Hxgcd059P8ISK+k0FPGUocAn8ZqJvXEe M9QqtT3Zg4TGcz05FmBQVRMgq/ov/C5MxW5I5wiD2YliWdXFcNcDWxrY= X-Google-Smtp-Source: AGHT+IEqx756E/5dFyjefWS47ErqHCTijzSpHRd2YibhzHOcMuqd3B9lXZw4TLFiQarLe4UVNFGxHGqnOudNcf9ZqGMYp3a/u6uz Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:190c:b0:3ce:7b33:8c3b with SMTP id e9e14a558f8ab-3ce849de894mr57987995ab.5.1737020121230; Thu, 16 Jan 2025 01:35:21 -0800 (PST) Date: Thu, 16 Jan 2025 01:35:21 -0800 In-Reply-To: <673b71bc.050a0220.87769.004d.GAE@google.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6788d2d9.050a0220.20d369.0028.GAE@google.com> Subject: Re: [syzbot] [wireless?] WARNING in sta_info_insert_rcu (4) From: syzbot To: johannes@sipsolutions.net, linux-kernel@vger.kernel.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" syzbot has found a reproducer for the following issue on: HEAD commit: 619f0b6fad52 Merge tag 'seccomp-v6.13-rc8' of git://git.ke.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=15c7cfc4580000 kernel config: https://syzkaller.appspot.com/x/.config?x=d1cb4a1f148c0861 dashboard link: https://syzkaller.appspot.com/bug?extid=8b512026a7ec10dcbdd9 compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=11e6c7c4580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13c7cfc4580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7feb34a89c2a/non_bootable_disk-619f0b6f.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8f14bca15c5e/vmlinux-619f0b6f.xz kernel image: https://storage.googleapis.com/syzbot-assets/42522ef81b09/bzImage-619f0b6f.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8b512026a7ec10dcbdd9@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 1 PID: 1139 at net/mac80211/sta_info.c:737 sta_info_insert_check net/mac80211/sta_info.c:737 [inline] WARNING: CPU: 1 PID: 1139 at net/mac80211/sta_info.c:737 sta_info_insert_rcu+0x24a/0x1b70 net/mac80211/sta_info.c:942 Modules linked in: CPU: 1 UID: 0 PID: 1139 Comm: kworker/u32:7 Not tainted 6.13.0-rc7-syzkaller-00043-g619f0b6fad52 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Workqueue: events_unbound cfg80211_wiphy_work RIP: 0010:sta_info_insert_check net/mac80211/sta_info.c:737 [inline] RIP: 0010:sta_info_insert_rcu+0x24a/0x1b70 net/mac80211/sta_info.c:942 Code: 0f b7 83 ae 20 00 00 31 ff 44 31 e0 0f b7 c0 09 d0 89 c6 89 44 24 08 e8 e4 49 fd f6 8b 44 24 08 85 c0 75 7f e8 d7 4e fd f6 90 <0f> 0b 90 c7 44 24 14 ea ff ff ff e8 c6 4e fd f6 48 8b 34 24 4c 89 RSP: 0018:ffffc900064b7ab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888030c1cd80 RCX: ffffffff8a9cd65b RDX: ffff8880277dc880 RSI: ffffffff8a9cd5c9 RDI: 0000000000000001 RBP: ffffffff905f7cb4 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000005 R12: 000000000000ffff R13: ffff888031e30048 R14: 00000000ffffffff R15: ffff888030338e40 FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f35d7d620e0 CR3: 000000002e2c6000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ieee80211_ocb_finish_sta net/mac80211/ocb.c:102 [inline] ieee80211_ocb_work+0x30c/0x650 net/mac80211/ocb.c:136 ieee80211_iface_work+0x8ad/0xf00 net/mac80211/iface.c:1697 cfg80211_wiphy_work+0x3de/0x560 net/wireless/core.c:440 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3236 process_scheduled_works kernel/workqueue.c:3317 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3398 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- If you want syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing.