Hello, syzbot found the following issue on: HEAD commit: ce522ba9ef7e Linux 5.18-rc2 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=17b1ddc4f00000 kernel config: https://syzkaller.appspot.com/x/.config?x=9ac56d6828346c4e dashboard link: https://syzkaller.appspot.com/bug?extid=e550ebeb0bc610768394 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+e550ebeb0bc610768394@xxxxxxxxxxxxxxxxxxxxxxxxx ============================= WARNING: suspicious RCU usage 5.18.0-rc2-syzkaller #0 Not tainted ----------------------------- net/mac80211/tx.c:604 suspicious rcu_dereference_check() usage! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 3 locks held by kworker/u4:7/5407: #0: ffff888023e70938 ((wq_completion)phy24){+.+.}-{0:0}, at: process_one_work+0x796/0xd10 kernel/workqueue.c:2262 #1: ffffc90002fffd00 ((work_completion)(&(&data->hw_scan)->work)){+.+.}-{0:0}, at: process_one_work+0x7d0/0xd10 kernel/workqueue.c:2264 #2: ffff88801c127128 (&data->mutex){+.+.}-{3:3}, at: hw_scan_work+0xbd/0xcf0 drivers/net/wireless/mac80211_hwsim.c:2431 stack backtrace: CPU: 0 PID: 5407 Comm: kworker/u4:7 Not tainted 5.18.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: phy24 hw_scan_work Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ieee80211_tx_h_select_key+0x6ba/0x14a0 net/mac80211/tx.c:604 invoke_tx_handlers_early+0x9db/0x1cd0 net/mac80211/tx.c:1798 invoke_tx_handlers net/mac80211/tx.c:1862 [inline] ieee80211_tx_prepare_skb+0x1c0/0x4d0 net/mac80211/tx.c:1885 hw_scan_work+0x7e8/0xcf0 drivers/net/wireless/mac80211_hwsim.c:2478 process_one_work+0x81c/0xd10 kernel/workqueue.c:2289 worker_thread+0xb14/0x1330 kernel/workqueue.c:2436 kthread+0x266/0x300 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 </TASK> --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
