Messages in this thread | | | From | cruise k <> | Date | Tue, 11 Jan 2022 15:42:37 +0800 | Subject | INFO: task hung in wg_noise_handshake_consume_initiation |
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Hi,
Syzkaller found the following issue:
HEAD commit: 75acfdb Linux 5.16-rc8 git tree: upstream console output: https://pastebin.com/raw/E1a5ZGSt kernel config: https://pastebin.com/raw/XsnKfdRt
And hope the report log can help you.
INFO: task kworker/6:1:78 blocked for more than 143 seconds. Not tainted 5.16.0-rc8+ #10 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/6:1 state:D stack:26416 pid: 78 ppid: 2 flags:0x00004000 Workqueue: wg-kex-wg1 wg_packet_handshake_receive_worker Call Trace: <TASK> context_switch kernel/sched/core.c:4972 [inline] __schedule+0xcd9/0x2550 kernel/sched/core.c:6253 schedule+0xd2/0x260 kernel/sched/core.c:6326 rwsem_down_read_slowpath+0x59c/0xa90 kernel/locking/rwsem.c:1041 __down_read_common kernel/locking/rwsem.c:1223 [inline] __down_read kernel/locking/rwsem.c:1232 [inline] down_read+0xe2/0x440 kernel/locking/rwsem.c:1472 wg_noise_handshake_consume_initiation+0x271/0x5f0 drivers/net/wireguard/noise.c:599 wg_receive_handshake_packet+0x589/0x9d0 drivers/net/wireguard/receive.c:151 wg_packet_handshake_receive_worker+0x18e/0x3d0 drivers/net/wireguard/receive.c:220 process_one_work+0x9df/0x16a0 kernel/workqueue.c:2298 worker_thread+0x90/0xe20 kernel/workqueue.c:2445 kthread+0x405/0x4f0 kernel/kthread.c:327 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 </TASK>
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