From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f207.google.com (mail-il1-f207.google.com [209.85.166.207]) (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 CEF8358ABC for ; Sat, 25 May 2024 16:18:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.207 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716653909; cv=none; b=CMBiHRXct9ACpZIQsKddxHWq8M5cOk65DybHJuD3c9xLfgqqsBTNAoo5vUmNOW/LmQ0iicQIivh/x/KtzNI0n1k/eR8gMRBWX6pHuqjhovBvjqKn8JhWLuj/J6c10LSWM5X2xtOiH3FADNcRe0JSPanmICU6Zc2HY3XbFHGfbKs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716653909; c=relaxed/simple; bh=4OCnw8Bvf07pSAyfkhIFFHLt7ZShqpSiEV3Jcfq2As0=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=aVVzxEwdN58bAlW+U0sVmjEJZeHEbeF6BB7Z1jPNoORbT3j8tjiNJL25IxYnJRMSb9phIoTCUb3O60F+ll+5ceidHh2gqVSxBxB//hXbptFzZ9IkbagSS+v+SWB66vIxzHsYtjY7iRFy5Q8dG2ShItEPSmVp5JTLMMGnGGVizbU= 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=209.85.166.207 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-f207.google.com with SMTP id e9e14a558f8ab-3738732f988so10942825ab.0 for ; Sat, 25 May 2024 09:18:27 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1716653907; x=1717258707; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=hGhclLxPRc2hmnd8jh+QXBmXgT9UCucDU/l2yKi8jNo=; b=eDezD6u/FoYBiCL+wjwzQDPO5IpkJjOJeUAm8VkrKsBZhswvS2Lf/ae1xhmMG/lITb +V7vfkbHuQLAKjMcKR4bE7VOV/eCRwCo3TacZKMAduwVGxKDjXaOHV1d56ImDdvqKg5t eCx0Jcf+rJp1GhQ9PQZ4VIei3XxDxvUcvnmy5/ODjLb0r5MIRMlLVjYfAvVBYrCzyN0C TP3opRS8z0VKL7BJIpRQHv0h/qS3CxM7o910Pe3NoTqXt9rFQ47S0FTbhXjBoOfc2Wpk GYbve5YDWoCiVYQzWeaAKJsCiL878cXm1WWEAE/1HEIM68SmnYhjHH5nFlLUQHc8465h ONOw== X-Forwarded-Encrypted: i=1; AJvYcCVp+UfaT1ZnT7/po5Wlk95xwSNSWzyN0vPg6bUbmHlxvET9Gv5YBFTSVWe1YJNFMscrfymh6wVO6VzhC7oIMTu2xU0k53pKdswiFlfZ X-Gm-Message-State: AOJu0YxYv2DTgKCj0GjNwhq/wlgTS4morP6HdpLBVs4c7uzKNDtvN1Le Midvb9eWr6NZqbzSZqzfFr00YU5Mp1M/YXIyHmH+3JvWX9L+FzsBli6Xu3mE7NKbJF8P7CgKhcM 2LAN9hB9QnAdHiDUmMVD2pGecAKelqzTQ4HCjP168vUMZMgGEtn09szo= X-Google-Smtp-Source: AGHT+IHTkdnIbe6Vtip3C9C5b4fJl7805ZRSyuXdMrXv9OPekfioMmAS5QlAiDVRHCbvMlwzhPUbGXHQvJlVjhYU4aGqAFRHfVTb Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:148e:b0:36d:cccb:6842 with SMTP id e9e14a558f8ab-3737b1f362bmr3798785ab.0.1716653907082; Sat, 25 May 2024 09:18:27 -0700 (PDT) Date: Sat, 25 May 2024 09:18:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000558cea061949a2d6@google.com> Subject: [syzbot] [btrfs?] general protection fault in btrfs_simple_end_io From: syzbot To: clm@fb.com, dsterba@suse.com, josef@toxicpanda.com, linux-btrfs@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: 56fb6f92854f Merge tag 'drm-next-2024-05-25' of https://gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16bfdae8980000 kernel config: https://syzkaller.appspot.com/x/.config?x=2b8d1faad9ceb620 dashboard link: https://syzkaller.appspot.com/bug?extid=8cfa88c4efc731f03e7e compiler: gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40 userspace arch: i386 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-56fb6f92.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/65ffe3ca9bb3/vmlinux-56fb6f92.xz kernel image: https://storage.googleapis.com/syzbot-assets/354ef77a71b6/bzImage-56fb6f92.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+8cfa88c4efc731f03e7e@syzkaller.appspotmail.com Oops: general protection fault, probably for non-canonical address 0xe01ffbf11002a963: 0000 [#1] PREEMPT SMP KASAN NOPTI KASAN: maybe wild-memory-access in range [0x00ffff8880154b18-0x00ffff8880154b1f] CPU: 1 PID: 29 Comm: ksoftirqd/1 Not tainted 6.9.0-syzkaller-12277-g56fb6f92854f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:__lock_acquire+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 93 86 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 e0 ed e2 92 0f 84 98 f2 RSP: 0018:ffffc9000056f938 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff8880163d0000 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe2add7 R11: 0000000000000000 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f74a20c4 CR3: 000000002ba66000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 __queue_work+0x39e/0x1020 kernel/workqueue.c:2319 queue_work_on+0x11a/0x140 kernel/workqueue.c:2410 queue_work include/linux/workqueue.h:621 [inline] btrfs_simple_end_io+0x2d5/0x390 fs/btrfs/bio.c:379 bio_endio+0x644/0x760 block/bio.c:1636 blk_update_request+0x704/0x1850 block/blk-mq.c:929 blk_mq_end_request+0x5b/0x620 block/blk-mq.c:1057 lo_complete_rq+0x232/0x2f0 drivers/block/loop.c:366 blk_complete_reqs+0xae/0xf0 block/blk-mq.c:1132 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 run_ksoftirqd kernel/softirq.c:928 [inline] run_ksoftirqd+0x3a/0x60 kernel/softirq.c:920 smpboot_thread_fn+0x661/0xa10 kernel/smpboot.c:164 kthread+0x2c1/0x3a0 kernel/kthread.c:389 ret_from_fork+0x45/0x80 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+0xe3e/0x3b30 kernel/locking/lockdep.c:5005 Code: 11 00 00 39 05 93 86 1f 12 0f 82 be 05 00 00 ba 01 00 00 00 e9 e4 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 82 1f 00 00 49 81 3c 24 e0 ed e2 92 0f 84 98 f2 RSP: 0018:ffffc9000056f938 EFLAGS: 00010006 RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000 RDX: 001ffff11002a963 RSI: ffff8880163d0000 RDI: 00ffff8880154b18 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff8fe2add7 R11: 0000000000000000 R12: 00ffff8880154b18 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff88802c100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000f74a20c4 CR3: 000000002ba66000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 11 00 adc %eax,(%rax) 2: 00 39 add %bh,(%rcx) 4: 05 93 86 1f 12 add $0x121f8693,%eax 9: 0f 82 be 05 00 00 jb 0x5cd f: ba 01 00 00 00 mov $0x1,%edx 14: e9 e4 00 00 00 jmp 0xfd 19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 20: fc ff df 23: 4c 89 e2 mov %r12,%rdx 26: 48 c1 ea 03 shr $0x3,%rdx * 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction 2e: 0f 85 82 1f 00 00 jne 0x1fb6 34: 49 81 3c 24 e0 ed e2 cmpq $0xffffffff92e2ede0,(%r12) 3b: 92 3c: 0f .byte 0xf 3d: 84 .byte 0x84 3e: 98 cwtl 3f: f2 repnz --- 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