From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f200.google.com (mail-il1-f200.google.com [209.85.166.200]) (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 0080A46B8 for ; Sat, 2 Nov 2024 00:15:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.200 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730506533; cv=none; b=ZDiAbK9puJ1RNWmrorG0tzLUnIDnGyCOnzQRzc5FVuT+VXslw2AeKieE189z6avP4KbOed3nI07eAgjVtj63dObo31EcOOVpXa5i7IL5wb8YIopVdYUXi5kG+xRthLF4WLLkYK2drgAWxZnJdIFVzjZBMbEhb3eXihUtQ92/z7I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730506533; c=relaxed/simple; bh=tu90EwF9Fuc+Ly4RB/JHAkt1ImdYEDy2DN4z8tXkJGY=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=CDZwFR8NSIrOVydjzdSOXFtP46laFR28kX5o4RlZXAN29b4yZD/KwNCQucJQH+c44P5k8dTwwmcJI0ffpgIP4WcEWHZ/VaNHftcyZX9aLir+rq3kaCobeD2iW0jdmwOCp4kuV0h6W5lCYZcDOttrqHQ5FO6HqniLgo0vOE3zhAw= 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=209.85.166.200 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-il1-f200.google.com with SMTP id e9e14a558f8ab-3a4daf7174eso24807055ab.3 for ; Fri, 01 Nov 2024 17:15:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730506531; x=1731111331; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=svwq+zTEWxdtOvQVSc1wiBds0BD2CCLeRevra06h50k=; b=DebuP3L6GAshZq9PXbV3FwvNyrgDMbOy/XR+X0ViZhemv6bX7akEUVua7x6YB+1jyw uvdVDsoWQ1pWWj3uM9BkXtMvQcoQX0CFGQ/sSq5JM18aRQYgffj/V02n2wVlxheXfAJQ Mf3YZ3O76bNV6rQi2YiI0xtHJpleFgar1szJdtTzpgBe3ao0+aE4aHNCp+xJGdftQyFW 5JOUfTZjNOAMvohXpbu32/hNUUWHop52aZXYwVYk9hEwc+2sOTVuOLHZoyAiy7/DqCpE e+E8iYwfaZcfhdFLcoUj95383ANjCeLSGf2M+Kdz3WTEjBuDY7HfyAhWkbFkDaeuxAux wH4g== X-Forwarded-Encrypted: i=1; AJvYcCWtJRUwgtXVovuv5UObJViO8+aVlOkFchNcV2Um4339dzWFvNqR+FoIyb30sOCHMZw63BeVpot2OOcuaGo=@vger.kernel.org X-Gm-Message-State: AOJu0YyDy1BNQYSrRRXt449Np4/L/r5MqcaaRCjK1Sillmh9pL0o5tfH Hz+gCbCgmeVse6fexGivOfRHu3TQ4J8pbjQWx8/wzfP3n6CihB7SGZHq5hXptskFB64ZgeX1t2k hpZujJE6X+l/kgDut7UvWQw4+3uz7uQ83fCSwDEIsA+vsTScmt9B9jfw= X-Google-Smtp-Source: AGHT+IEXewltQnTxa9W9quoHZ2SUC1309Btru3DCiuz5w9YgSkxUpftUsJSbZHWFJPNT5uwrhPOGmxfTbDXmUc2Rifmkl4wAFayt Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:1688:b0:3a6:be66:ce53 with SMTP id e9e14a558f8ab-3a6be66d4b1mr8457905ab.18.1730506531084; Fri, 01 Nov 2024 17:15:31 -0700 (PDT) Date: Fri, 01 Nov 2024 17:15:31 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <67256f23.050a0220.35b515.017e.GAE@google.com> Subject: [syzbot] [block?] general protection fault in blk_update_request From: syzbot To: axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 819837584309 Linux 6.12-rc5 git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14ec6ca7980000 kernel config: https://syzkaller.appspot.com/x/.config?x=4aec7739e14231a7 dashboard link: https://syzkaller.appspot.com/bug?extid=1d38eedcb25a3b5686a7 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/7eaadcc9db59/disk-81983758.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9ffd56091c79/vmlinux-81983758.xz kernel image: https://storage.googleapis.com/syzbot-assets/c49f66756e3e/bzImage-81983758.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+1d38eedcb25a3b5686a7@syzkaller.appspotmail.com Oops: general protection fault, probably for non-canonical address 0xe01ffbf110170c7f: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff8880b863f8-0x00ffff8880b863ff] CPU: 0 UID: 0 PID: 16 Comm: ksoftirqd/0 Not tainted 6.12.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065 Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d c8 e8 ac 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 79 48 8e 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000157610 EFLAGS: 00010013 RAX: 001ffff110170c7f RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00ffff8880b863fe RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203a066 R12: ffff88801d2bda00 R13: 0000000000000001 R14: 0000000000000000 R15: 00ffff8880b863fe FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3091aff8 CR3: 000000000e734000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x759/0xf50 queue_work_on+0x1c2/0x380 kernel/workqueue.c:2390 blk_update_request+0x5e5/0x1160 block/blk-mq.c:923 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1051 blk_flush_complete_seq+0x6b7/0xce0 block/blk-flush.c:191 flush_end_io+0xab1/0xdc0 block/blk-flush.c:250 __blk_mq_end_request+0x4a5/0x620 block/blk-mq.c:1041 blk_complete_reqs block/blk-mq.c:1126 [inline] blk_done_softirq+0x102/0x150 block/blk-mq.c:1131 handle_softirqs+0x2c7/0x980 kernel/softirq.c:554 run_ksoftirqd+0xca/0x130 kernel/softirq.c:927 smpboot_thread_fn+0x546/0xa30 kernel/smpboot.c:164 kthread+0x2f2/0x390 kernel/kthread.c:389 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__lock_acquire+0x69/0x2050 kernel/locking/lockdep.c:5065 Code: b6 04 30 84 c0 0f 85 9b 16 00 00 45 31 f6 83 3d c8 e8 ac 0e 00 0f 84 b6 13 00 00 89 54 24 54 89 5c 24 68 4c 89 f8 48 c1 e8 03 <80> 3c 30 00 74 12 4c 89 ff e8 79 48 8e 00 48 be 00 00 00 00 00 fc RSP: 0018:ffffc90000157610 EFLAGS: 00010013 RAX: 001ffff110170c7f RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 00ffff8880b863fe RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: dffffc0000000000 R11: fffffbfff203a066 R12: ffff88801d2bda00 R13: 0000000000000001 R14: 0000000000000000 R15: 00ffff8880b863fe FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3091aff8 CR3: 000000000e734000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess): 0: b6 04 mov $0x4,%dh 2: 30 84 c0 0f 85 9b 16 xor %al,0x169b850f(%rax,%rax,8) 9: 00 00 add %al,(%rax) b: 45 31 f6 xor %r14d,%r14d e: 83 3d c8 e8 ac 0e 00 cmpl $0x0,0xeace8c8(%rip) # 0xeace8dd 15: 0f 84 b6 13 00 00 je 0x13d1 1b: 89 54 24 54 mov %edx,0x54(%rsp) 1f: 89 5c 24 68 mov %ebx,0x68(%rsp) 23: 4c 89 f8 mov %r15,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 80 3c 30 00 cmpb $0x0,(%rax,%rsi,1) <-- trapping instruction 2e: 74 12 je 0x42 30: 4c 89 ff mov %r15,%rdi 33: e8 79 48 8e 00 call 0x8e48b1 38: 48 rex.W 39: be 00 00 00 00 mov $0x0,%esi 3e: 00 fc add %bh,%ah --- 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