From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=BAYES_00,FROM_LOCAL_HEX, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6F489C433EF for ; Wed, 15 Sep 2021 06:06:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 461D961214 for ; Wed, 15 Sep 2021 06:06:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236358AbhIOGHk (ORCPT ); Wed, 15 Sep 2021 02:07:40 -0400 Received: from mail-il1-f200.google.com ([209.85.166.200]:51777 "EHLO mail-il1-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230478AbhIOGHi (ORCPT ); Wed, 15 Sep 2021 02:07:38 -0400 Received: by mail-il1-f200.google.com with SMTP id f16-20020a92cb50000000b002376905517dso1208235ilq.18 for ; Tue, 14 Sep 2021 23:06:20 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:date:message-id:subject:from:to; bh=oRcwdcQV1H0omKzYkhuLZ+wr8KRDqA6jkU+EpjgxD3Y=; b=ie9O2ySbKTbGV721iem8wVMYQbyHwass2BuKfkI3EH76u8W11EYL47knsmJHYvYkYv syx/PQwKF0tZowEGhwurNrya29PQVu6merOthv9mAdH6PC1kzdEfiZE+FXvEdcivwbx0 0nNNtw76mi8aagMHBhNcs56V7Q0ofmBdNE41vzpCPyItzV+GFrvOfloelYljLBhif+yo /AiHLqNfL0UeDJ8YzlAUjqpnL2gFU6btiZBOPhjeu1qIKs1DLcMQ+qtGfSWqBTRH/Jno qc0aLEzEZd7hjuOazLb1mCjFPjU7SiFmmfFo2Bs4mDmeZKJt4k2C3F+VSU5sTMS1Nw9i DXeg== X-Gm-Message-State: AOAM530JAcFQWVaX6JN+cCQm4VS+lRy+BrIH7hkyKfHOY5vDF791W4D0 NJuw02m53GFUAt7dIch5oKbOVEDiNcNSe1zYpBVg9zvjbuyk X-Google-Smtp-Source: ABdhPJzJepNg0KG6KKDUgKLpFoVKg7RsPcyXkE3Nr+qCW9M0EEoqfFshEstwnnB7MhsElkm50LdEOxQxbkxkTcoAeye7boaq2pOf MIME-Version: 1.0 X-Received: by 2002:a92:cf50:: with SMTP id c16mr14991228ilr.8.1631685979681; Tue, 14 Sep 2021 23:06:19 -0700 (PDT) Date: Tue, 14 Sep 2021 23:06:19 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000343aaf05cc027f83@google.com> Subject: [syzbot] WARNING in insert_work From: syzbot To: bp@alien8.de, dwmw@amazon.co.uk, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello, syzbot found the following issue on: HEAD commit: 926de8c4326c Merge tag 'acpi-5.15-rc1-3' of git://git.kern.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=123a37b9300000 kernel config: https://syzkaller.appspot.com/x/.config?x=37df9ef5660a8387 dashboard link: https://syzkaller.appspot.com/bug?extid=4546a69bfcab9a42f280 compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 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+4546a69bfcab9a42f280@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:633 set_work_data kernel/workqueue.c:633 [inline] WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:633 set_work_pwq kernel/workqueue.c:640 [inline] WARNING: CPU: 0 PID: 0 at kernel/workqueue.c:633 insert_work+0x2a7/0x370 kernel/workqueue.c:1356 Modules linked in: CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.14.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:set_work_data kernel/workqueue.c:633 [inline] RIP: 0010:set_work_pwq kernel/workqueue.c:640 [inline] RIP: 0010:insert_work+0x2a7/0x370 kernel/workqueue.c:1356 Code: b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 cc 00 00 00 48 8b 7b 40 e8 30 93 05 00 eb 83 e8 09 86 2a 00 <0f> 0b e9 dc fd ff ff 48 89 ef e8 ca d0 71 00 e9 56 ff ff ff 4c 89 RSP: 0018:ffffc90000007c70 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff888088ac54b0 RCX: 0000000000000100 RDX: ffffffff8b6bc680 RSI: ffffffff814b8737 RDI: 0000000000000003 RBP: 0000000000000005 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff814b8511 R11: 0000000000000000 R12: ffff888010c69858 R13: ffff888147c49800 R14: ffff888010c69800 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4db76b6ab4 CR3: 000000000b68e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: __queue_work+0x5ca/0xee0 kernel/workqueue.c:1519 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1461 [inline] __run_timers.part.0+0x49f/0xa20 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:29 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:70 [inline] RIP: 0010:arch_irqs_disabled arch/x86/include/asm/irqflags.h:132 [inline] RIP: 0010:acpi_safe_halt drivers/acpi/processor_idle.c:110 [inline] RIP: 0010:acpi_idle_do_entry+0x1c6/0x250 drivers/acpi/processor_idle.c:553 Code: 89 de e8 dd 99 3e f8 84 db 75 ac e8 94 93 3e f8 e8 1f bd 44 f8 eb 0c e8 88 93 3e f8 0f 00 2d 81 5e b8 00 e8 7c 93 3e f8 fb f4 <9c> 5b 81 e3 00 02 00 00 fa 31 ff 48 89 de e8 c7 98 3e f8 48 85 db RSP: 0018:ffffffff8b607d60 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8b6bc680 RSI: ffffffff893779c4 RDI: 0000000000000000 RBP: ffff8880145f4064 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff817c3708 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880145f4000 R14: ffff8880145f4064 R15: ffff8881407fa804 acpi_idle_enter+0x361/0x500 drivers/acpi/processor_idle.c:688 cpuidle_enter_state+0x1b1/0xc80 drivers/cpuidle/cpuidle.c:237 cpuidle_enter+0x4a/0xa0 drivers/cpuidle/cpuidle.c:351 call_cpuidle kernel/sched/idle.c:158 [inline] cpuidle_idle_call kernel/sched/idle.c:239 [inline] do_idle+0x3e8/0x590 kernel/sched/idle.c:306 cpu_startup_entry+0x14/0x20 kernel/sched/idle.c:403 start_kernel+0x47a/0x49b init/main.c:1141 secondary_startup_64_no_verify+0xb0/0xbb ---------------- Code disassembly (best guess): 0: 89 de mov %ebx,%esi 2: e8 dd 99 3e f8 callq 0xf83e99e4 7: 84 db test %bl,%bl 9: 75 ac jne 0xffffffb7 b: e8 94 93 3e f8 callq 0xf83e93a4 10: e8 1f bd 44 f8 callq 0xf844bd34 15: eb 0c jmp 0x23 17: e8 88 93 3e f8 callq 0xf83e93a4 1c: 0f 00 2d 81 5e b8 00 verw 0xb85e81(%rip) # 0xb85ea4 23: e8 7c 93 3e f8 callq 0xf83e93a4 28: fb sti 29: f4 hlt * 2a: 9c pushfq <-- trapping instruction 2b: 5b pop %rbx 2c: 81 e3 00 02 00 00 and $0x200,%ebx 32: fa cli 33: 31 ff xor %edi,%edi 35: 48 89 de mov %rbx,%rsi 38: e8 c7 98 3e f8 callq 0xf83e9904 3d: 48 85 db test %rbx,%rbx --- 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.