From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f78.google.com (mail-oo1-f78.google.com [209.85.161.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3F7CF3A1A50 for ; Mon, 27 Apr 2026 09:11:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777281099; cv=none; b=hSzUT+m7DgNG7cDa36kHYk2W6lDAgQek9Itiv6dalKsBRtgza7j0N3pwdPu4f1KBwgLfdpAr/gokpTHcr+ZrTssRJY8uvwqJawXrL6MUDbXFgy0jEyWCPltx75AZdtd7w+kjIStXrSHEadJX7nKbK0mhLdVRjPvT5/SxEBVLR3U= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1777281099; c=relaxed/simple; bh=/+RGmi8UYgJZMMabOKYRyox8vlbnwKzvHExmI0i11xI=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=ZoBpvup4uINowrOpzvUSXevmHFije/ExO+IqIc37YzugPI16oO1b/6sPltt9gmj9aT6L8tM6ji8C9t+nTJ9mLKdeHMv4pvzsfeRwxidppdUjCM7bu3VDL8b0J7FcshZUaL2hf4+EydO64ML8qeID+bVj9dtukbx+OzALqDlbG5A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com; arc=none smtp.client-ip=209.85.161.78 Authentication-Results: smtp.subspace.kernel.org; dmarc=fail (p=none dis=none) header.from=syzkaller.appspotmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com Received: by mail-oo1-f78.google.com with SMTP id 006d021491bc7-694916af128so7680751eaf.1 for ; Mon, 27 Apr 2026 02:11:37 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777281096; x=1777885896; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=fRbHymEEuW4nprtI7xydCrsOs1BoNisyMJ7+fr5JkqA=; b=mLnSqJU1gF3s/IEq/3DvbYClCfhOdswCNsDYWPN+tWFDxIegDVbl+j47NKPsNjkaEJ BNJkpoTyJAlU32j3k/xxyaC549U5AmcBekINrnqQxV0dX/izfAmI1qt3GYBIGtlWTiVq XknJbw5KszR1qydn6DJBKBUQ84uy8mFuS9u7cRT/5LsxN40UZeOr4QjQamVsTyDqFjeK SGKv3TEF8TXd4eEIebxRHLHaNipc8L41CkdFgw+RIPb1Ihdu70bGav+L1hj+ijQbmI7m 8QM28B6jD8u34vVuh8HOo/Ne2SnDRMvq/oK0CLH8A0sYB37azZqHG442NWtzXvtSsIQp OOIA== X-Forwarded-Encrypted: i=1; AFNElJ8u9zMpcpHt2EBOWufyy5w6sYOovk18IFAQ864C6PZuXTEU31c4D3/VUczfGMW3a2nKTib00/A=@vger.kernel.org X-Gm-Message-State: AOJu0YzDNWwSeYH2+xj1Gk5vvCGZoxqOFLOqfkaLmd5lMxjNbnR8ShY/ VAppwTGDNYQ096Zc7B9VRVRENM/W4EYP6+n6nnvXlTofCQ9sR8VbP8PGjEV8XnZ8It8k9V8rYiI /2uNe1OYG9Ohn7bS+WAyDpA/LbHCxf64eMLVJuyu9OmETqD5AtsdW6nv85GY= Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:1842:b0:684:bf61:ed2b with SMTP id 006d021491bc7-69462e1d490mr24387470eaf.14.1777281096245; Mon, 27 Apr 2026 02:11:36 -0700 (PDT) Date: Mon, 27 Apr 2026 02:11:36 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69ef2848.170a0220.11de9.001b.GAE@google.com> Subject: [syzbot] [wireguard?] BUG: soft lockup in wg_packet_decrypt_worker From: syzbot To: Jason@zx2c4.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, pabeni@redhat.com, syzkaller-bugs@googlegroups.com, wireguard@lists.zx2c4.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 897d54018cc9 Merge tag 'fbdev-for-7.1-rc1-2' of git://git... git tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux master console output: https://syzkaller.appspot.com/x/log.txt?x=10470ff6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=4e88e1f2f0b02f59 dashboard link: https://syzkaller.appspot.com/bug?extid=27a6e390f71f14f4fecf compiler: aarch64-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0, GNU ld (GNU Binutils for Debian) 2.44 userspace arch: arm Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/fa3fbcfdac58/non_bootable_disk-897d5401.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/abfbe0527fdf/vmlinux-897d5401.xz kernel image: https://storage.googleapis.com/syzbot-assets/43fbdcd1dbf2/zImage-897d5401.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+27a6e390f71f14f4fecf@syzkaller.appspotmail.com watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kworker/1:3:20255] Modules linked in: irq event stamp: 104395 hardirqs last enabled at (104394): [] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:515 [inline] hardirqs last enabled at (104394): [] arm64_exit_to_kernel_mode+0x50/0xc0 arch/arm64/kernel/entry-common.c:62 hardirqs last disabled at (104395): [] __el1_irq arch/arm64/kernel/entry-common.c:493 [inline] hardirqs last disabled at (104395): [] el1_interrupt+0x28/0x60 arch/arm64/kernel/entry-common.c:509 softirqs last enabled at (99688): [] spin_unlock_bh include/linux/spinlock.h:396 [inline] softirqs last enabled at (99688): [] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] softirqs last enabled at (99688): [] wg_packet_decrypt_worker+0x248/0x3a0 drivers/net/wireguard/receive.c:499 softirqs last disabled at (99692): [] spin_lock_bh include/linux/spinlock.h:348 [inline] softirqs last disabled at (99692): [] ptr_ring_consume_bh include/linux/ptr_ring.h:375 [inline] softirqs last disabled at (99692): [] wg_packet_decrypt_worker+0x68/0x3a0 drivers/net/wireguard/receive.c:499 CPU: 1 UID: 0 PID: 20255 Comm: kworker/1:3 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: linux,dummy-virt (DT) Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker pstate: 20000005 (nzCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : memory_is_poisoned_n mm/kasan/generic.c:141 [inline] pc : memory_is_poisoned mm/kasan/generic.c:172 [inline] pc : check_region_inline mm/kasan/generic.c:191 [inline] pc : kasan_check_range+0x38/0x1b4 mm/kasan/generic.c:200 lr : __kasan_check_read+0x20/0x2c mm/kasan/shadow.c:31 sp : ffff8000a19478c0 x29: ffff8000a19478c0 x28: ffff80008766bed0 x27: 0000000000000000 x26: 1fffe00003374a09 x25: 1fffe00003374a0b x24: ffff000019ba5058 x23: 0000000000000000 x22: 1ffff00014328f20 x21: 1ffff00014328f3c x20: 0000000000000000 x19: ffff000019ba5048 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000001 x15: 0000000012224261 x14: 0000000000000001 x13: ffff800089e7c8d8 x12: ffff600003374a0a x11: 1fffe00003374a09 x10: ffff600003374a09 x9 : dfff800000000000 x8 : ffff000019ba5048 x7 : 0000000000000001 x6 : ffff600003374a09 x5 : ffff000019ba5048 x4 : ffff000000000000 x3 : ffff8000857fe9b0 x2 : 0000000000000000 x1 : 0000000000000001 x0 : 0000000000000001 Call trace: check_region_inline mm/kasan/generic.c:188 [inline] (P) kasan_check_range+0x38/0x1b4 mm/kasan/generic.c:200 (P) queued_spin_lock_slowpath+0x610/0xf80 kernel/locking/qspinlock.c:197 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x258/0x308 kernel/locking/spinlock_debug.c:116 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:151 [inline] _raw_spin_lock_bh+0x58/0x68 kernel/locking/spinlock.c:182 spin_lock_bh include/linux/spinlock.h:348 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:375 [inline] wg_packet_decrypt_worker+0x68/0x3a0 drivers/net/wireguard/receive.c:499 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 19280 Comm: kworker/0:7 Tainted: G L syzkaller #0 PREEMPT Tainted: [L]=SOFTLOCKUP Hardware name: linux,dummy-virt (DT) Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker pstate: 10000005 (nzcV daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:176 [inline] pc : arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] pc : lock_release+0x39c/0x424 kernel/locking/lockdep.c:5892 lr : lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline] lr : lock_release+0x37c/0x424 kernel/locking/lockdep.c:5891 sp : ffff8000a1eb7a40 x29: ffff8000a1eb7a50 x28: ffff00003f7678f0 x27: ffff000019ba50c0 x26: ffff600003374a19 x25: 1fffe00003374a18 x24: 0000000000000000 x23: ffff000012db5640 x22: ffff000012db61c0 x21: ffff8000828b6c88 x20: ffff000019ba5060 x19: ffff800087612208 x18: 0000000000000000 x17: 0000000000000000 x16: 0000000000000000 x15: ffff80008766f6e8 x14: 1ffff00010ecdedd x13: ffff800089e7c8d8 x12: ffff7000143d6f41 x11: 1ffff000143d6f40 x10: ffff7000143d6f40 x9 : dfff800000000000 x8 : 0000000000000003 x7 : 0000000000000001 x6 : 00000000000003e0 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 1fffe000025b6ac9 x2 : 0000000000000000 x1 : ffff7fffe29a8000 x0 : 00000000000000c0 Call trace: __daif_local_irq_restore arch/arm64/include/asm/irqflags.h:175 [inline] (P) arch_local_irq_restore arch/arm64/include/asm/irqflags.h:195 [inline] (P) lock_release+0x39c/0x424 kernel/locking/lockdep.c:5892 (P) __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:194 [inline] _raw_spin_unlock_bh+0x28/0x54 kernel/locking/spinlock.c:214 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] wg_packet_decrypt_worker+0x13c/0x3a0 drivers/net/wireguard/receive.c:499 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 33s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 pending: nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=10 refcnt=11 pending: 9*nsim_dev_hwstats_traffic_work, psi_avgs_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 16479:call_usermodehelper_exec_work for 42s workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6 pending: 5*nsim_dev_trap_report_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6 pending: 5*nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x182 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: neigh_managed_work, wg_ratelimiter_gc_entries pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5 pending: neigh_periodic_work, gc_worker, neigh_periodic_work, neigh_managed_work workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 10400:wb_workfn for 33s workqueue kblockd: flags=0x118 pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=2 refcnt=3 pending: blk_mq_timeout_work, blk_mq_requeue_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=6 pending: addrconf_verify_work inactive: 2*addrconf_verify_work workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 19280:wg_packet_decrypt_worker for 33s pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 20255:wg_packet_decrypt_worker for 33s pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 15424:wg_packet_handshake_send_worker for 33s ,20263:wg_packet_handshake_send_worker for 33s pending: wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 17220:wg_packet_handshake_send_worker for 33s pending: wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue krds_cp_wq#1/0: flags=0x20002 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 pending: rds_connect_worker workqueue krds_cp_wq#2/0: flags=0x20002 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 pending: rds_connect_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=33s workers=7 idle: 20317 20625 17368 18803 20184 16642 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=33s workers=6 idle: 20316 15747 16513 18710 19225 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=13 idle: 15591 8052 14588 7215 11940 15432 19121 Showing backtraces of busy workers in stalled worker pools: pool 2: task:kworker/0:7 state:R running task stack:0 pid:19280 tgid:19280 ppid:2 task_flags:0x4208060 flags:0x00000012 Workqueue: wg-crypt-wg0 wg_packet_decrypt_worker Call trace: show_stack+0x18/0x24 arch/arm64/kernel/stacktrace.c:499 (C) sched_show_task kernel/sched/core.c:8139 [inline] sched_show_task+0x454/0x5e0 kernel/sched/core.c:8114 show_cpu_pool_busy_workers kernel/workqueue.c:7674 [inline] show_cpu_pools_busy_workers kernel/workqueue.c:7693 [inline] wq_watchdog_timer_fn+0x840/0x870 kernel/workqueue.c:7809 call_timer_fn+0x1b8/0xaa0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1799 [inline] __run_timers+0x8bc/0xb30 kernel/time/timer.c:2374 __run_timer_base kernel/time/timer.c:2386 [inline] __run_timer_base kernel/time/timer.c:2378 [inline] run_timer_base+0x110/0x180 kernel/time/timer.c:2395 run_timer_softirq+0x24/0x50 kernel/time/timer.c:2406 handle_softirqs+0x2dc/0x1050 kernel/softirq.c:622 __do_softirq+0x14/0x20 kernel/softirq.c:656 ____do_softirq+0x10/0x20 arch/arm64/kernel/irq.c:68 call_on_irq_stack+0x30/0x48 arch/arm64/kernel/entry.S:889 do_softirq_own_stack+0x1c/0x40 arch/arm64/kernel/irq.c:73 do_softirq kernel/softirq.c:523 [inline] do_softirq+0x12c/0x15c kernel/softirq.c:510 __local_bh_enable_ip+0x408/0x4a0 kernel/softirq.c:450 __raw_spin_unlock_bh include/linux/spinlock_api_smp.h:196 [inline] _raw_spin_unlock_bh+0x44/0x54 kernel/locking/spinlock.c:214 spin_unlock_bh include/linux/spinlock.h:396 [inline] ptr_ring_consume_bh include/linux/ptr_ring.h:377 [inline] wg_packet_decrypt_worker+0x13c/0x3a0 drivers/net/wireguard/receive.c:499 process_one_work+0x810/0x1b1c kernel/workqueue.c:3302 process_scheduled_works kernel/workqueue.c:3385 [inline] worker_thread+0x42c/0xc90 kernel/workqueue.c:3466 kthread+0x2f0/0x388 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:858 --- 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@googlegroups.com. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup