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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net Hello, syzbot found the following issue on: HEAD commit: 9e4bc4bcae01 Merge tag 'nfs-for-6.9-2' of git://git.linux-.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10937af8980000 kernel config: https://syzkaller.appspot.com/x/.config?x=3714fc09f933e505 dashboard link: https://syzkaller.appspot.com/bug?extid=848062ba19c8782ca5c8 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/b98a742ff5ed/disk-9e4bc4bc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/207a8191df7c/vmlinux-9e4bc4bc.xz kernel image: https://storage.googleapis.com/syzbot-assets/7dd86c3ad0ba/bzImage-9e4bc4bc.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+848062ba19c8782ca5c8@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/f2fs/inline.c:258! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 34 Comm: kworker/u8:2 Not tainted 6.9.0-rc6-syzkaller-00012-g9e4bc4bcae01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:258 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 6f a5 0b fe e9 d6 fc ff ff e8 25 33 91 07 e8 f0 05 a7 fd 90 <0f> 0b e8 e8 05 a7 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90000aa68e0 EFLAGS: 00010293 RAX: ffffffff83ef09c0 RBX: 0000000000000001 RCX: ffff888017ebbc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000aa6a10 R08: ffffffff83ef0485 R09: 1ffff1100c270ef5 R10: dffffc0000000000 R11: ffffed100c270ef6 R12: ffffc90000aa6968 R13: 1ffff1100c270ef5 R14: ffffc90000aa6960 R15: ffffc90000aa6970 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc5425ff000 CR3: 000000000e134000 CR4: 0000000000350ef0 Call Trace: f2fs_write_single_data_page+0xb65/0x1d60 fs/f2fs/data.c:2834 f2fs_write_cache_pages fs/f2fs/data.c:3133 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3288 [inline] f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3315 do_writepages+0x35b/0x870 mm/page-writeback.c:2612 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1650 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941 wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117 wb_do_writeback fs/fs-writeback.c:2264 [inline] wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f2/0x390 kernel/kthread.c:388 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:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:258 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 6f a5 0b fe e9 d6 fc ff ff e8 25 33 91 07 e8 f0 05 a7 fd 90 <0f> 0b e8 e8 05 a7 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90000aa68e0 EFLAGS: 00010293 RAX: ffffffff83ef09c0 RBX: 0000000000000001 RCX: ffff888017ebbc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000aa6a10 R08: ffffffff83ef0485 R09: 1ffff1100c270ef5 R10: dffffc0000000000 R11: ffffed100c270ef6 R12: ffffc90000aa6968 R13: 1ffff1100c270ef5 R14: ffffc90000aa6960 R15: ffffc90000aa6970 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e628000 CR3: 0000000049462000 CR4: 0000000000350ef0 --- 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 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel 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 86CC422618 for ; Tue, 30 Apr 2024 10:04:28 +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=1714471470; cv=none; b=XlvtcDDyxywH8rrtuOqoO6BKOrQN3TdU8x9BP0pFMosr8YWOOwB68r5VQjV6XALgAEYxC2ZVJJoXfaxfIKVaUjUIto13LhEXsrgqsFi34W4+Ds3GvBKi4xHqbgXxMHojBb/2etROwzimpFSJ2PCSCUlMim3CTLJud5aWvUGL7xg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714471470; c=relaxed/simple; bh=+1aJrhYQX0AnWwGuptyHgoz4jT9gYXZA7TcVw917ZoU=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=SgbS8tRJuCpdBtRM10SHy3BmCRpEGO5XxOWVGxl1Cnl48jUP1D0Lv4EC2E0T9qny6kFK8eq1yf2dd04sCCMi1Ww9+5rkzMOAOsd7WFnotm861Zd/jtD0IbQ32NXpatDgilPWQer4tvFpWK+Kf7BJxy0dMl7x7/Zma13O5przCAM= 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-36b2eee85edso61983975ab.0 for ; Tue, 30 Apr 2024 03:04:28 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1714471468; x=1715076268; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=WUCPXypqaDI7RZVA4dxNhXYP7Sd0MesVoRSUyJp0RhA=; b=KfvEe6wt0/LoRIKxDPlJ/q+2qg6/cyCaFYYj/UVy/+WJLLMLC/xAT63Z9E5IZlj+4T P4VO38dUNHk8lOLchox4ThnKFKjwe8UGLk0Z/7N0BdJ6r9GdFFqocUQ+rVQf6EnQlGvv eqHEx7ft4SfszDUn9Dz9S4yOFTLixwvC2TNN6o7TFvbCmpqJhG1fyfXMofQ2nWomsf20 RsJisF4oZqwFRTBlIPJ6uaIkl5uHQEqm4ZJ/uxm2FOZ6hlv1rBlvmbfTEIDJTdOyrD31 YqfD64nZFwh6Rq8g3AZGpN2tX2TwW0qTsFoU5/e/xw1ioijG5xAaP1WAqdKjR/+AWJ52 ApsQ== X-Forwarded-Encrypted: i=1; AJvYcCVzhRE38w2tLnd7W5K4vwU78qb5ccMU/gOWDdV74/Pqtb/cDoBI9/J91cQTP/7qvoVUfVshVM1fBLe3HlqXVCxjuP3KlrIX2gXPzy/skg== X-Gm-Message-State: AOJu0YwS8z6rAPug6ul/5T+cvEW+IWAxmsUr5g2Bu1LTOk3xVmf6njC3 zwQD8MbbGuB0va7ClW+3Cg6cT5LJROdQmLXC8F309wQ9QCYwdca+Ln4trqL/N3n7x543ae9PvmC bRFrEC+cDHX5jyapquVMEONyV15vPvhbZc400haeY1YsBh13aCVupxRU= X-Google-Smtp-Source: AGHT+IEo04hPMGUrxInQkQx/yfDEgwz6h0WPyzDNg0oyZM5zMoVchRHknLBbO2rLRAo281Gmc6VQ8z3oGoSlRvV/50dMH0ujfhwm Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6638:450b:b0:487:4ad0:def3 with SMTP id bs11-20020a056638450b00b004874ad0def3mr531033jab.0.1714471467806; Tue, 30 Apr 2024 03:04:27 -0700 (PDT) Date: Tue, 30 Apr 2024 03:04:27 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000d103ce06174d7ec3@google.com> Subject: [syzbot] [f2fs?] kernel BUG in f2fs_write_inline_data From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-fsdevel@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: 9e4bc4bcae01 Merge tag 'nfs-for-6.9-2' of git://git.linux-.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10937af8980000 kernel config: https://syzkaller.appspot.com/x/.config?x=3714fc09f933e505 dashboard link: https://syzkaller.appspot.com/bug?extid=848062ba19c8782ca5c8 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/b98a742ff5ed/disk-9e4bc4bc.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/207a8191df7c/vmlinux-9e4bc4bc.xz kernel image: https://storage.googleapis.com/syzbot-assets/7dd86c3ad0ba/bzImage-9e4bc4bc.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+848062ba19c8782ca5c8@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/f2fs/inline.c:258! invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 PID: 34 Comm: kworker/u8:2 Not tainted 6.9.0-rc6-syzkaller-00012-g9e4bc4bcae01 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Workqueue: writeback wb_workfn (flush-7:2) RIP: 0010:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:258 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 6f a5 0b fe e9 d6 fc ff ff e8 25 33 91 07 e8 f0 05 a7 fd 90 <0f> 0b e8 e8 05 a7 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90000aa68e0 EFLAGS: 00010293 RAX: ffffffff83ef09c0 RBX: 0000000000000001 RCX: ffff888017ebbc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000aa6a10 R08: ffffffff83ef0485 R09: 1ffff1100c270ef5 R10: dffffc0000000000 R11: ffffed100c270ef6 R12: ffffc90000aa6968 R13: 1ffff1100c270ef5 R14: ffffc90000aa6960 R15: ffffc90000aa6970 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc5425ff000 CR3: 000000000e134000 CR4: 0000000000350ef0 Call Trace: f2fs_write_single_data_page+0xb65/0x1d60 fs/f2fs/data.c:2834 f2fs_write_cache_pages fs/f2fs/data.c:3133 [inline] __f2fs_write_data_pages fs/f2fs/data.c:3288 [inline] f2fs_write_data_pages+0x1efe/0x3a90 fs/f2fs/data.c:3315 do_writepages+0x35b/0x870 mm/page-writeback.c:2612 __writeback_single_inode+0x165/0x10b0 fs/fs-writeback.c:1650 writeback_sb_inodes+0x905/0x1260 fs/fs-writeback.c:1941 wb_writeback+0x457/0xce0 fs/fs-writeback.c:2117 wb_do_writeback fs/fs-writeback.c:2264 [inline] wb_workfn+0x410/0x1090 fs/fs-writeback.c:2304 process_one_work kernel/workqueue.c:3254 [inline] process_scheduled_works+0xa12/0x17c0 kernel/workqueue.c:3335 worker_thread+0x86d/0xd70 kernel/workqueue.c:3416 kthread+0x2f2/0x390 kernel/kthread.c:388 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:f2fs_write_inline_data+0x781/0x790 fs/f2fs/inline.c:258 Code: ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c e3 fc ff ff 48 89 df e8 6f a5 0b fe e9 d6 fc ff ff e8 25 33 91 07 e8 f0 05 a7 fd 90 <0f> 0b e8 e8 05 a7 fd 90 0f 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 RSP: 0018:ffffc90000aa68e0 EFLAGS: 00010293 RAX: ffffffff83ef09c0 RBX: 0000000000000001 RCX: ffff888017ebbc00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc90000aa6a10 R08: ffffffff83ef0485 R09: 1ffff1100c270ef5 R10: dffffc0000000000 R11: ffffed100c270ef6 R12: ffffc90000aa6968 R13: 1ffff1100c270ef5 R14: ffffc90000aa6960 R15: ffffc90000aa6970 FS: 0000000000000000(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e628000 CR3: 0000000049462000 CR4: 0000000000350ef0 --- 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