From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f78.google.com (mail-io1-f78.google.com [209.85.166.78]) (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 B215E1509AE for ; Mon, 9 Sep 2024 08:19:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.78 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725869963; cv=none; b=iKLEcjwWUQITUWg+SmbjLnIUtVuUWybFW4lDUD9RbhCRMSnk196ANkaD1o7cQrkOwHCz3tLNtpTYHOlR4K9AMXTVq6liPiyWjEM1q0dE3A3Wi6oMHyFtPVDhQIhDBm0UUV5PiHwDkimEX/7hvgWpRPe3527CjbR2C1sa+9+iS+E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725869963; c=relaxed/simple; bh=5HcaJElruX1pfb/i26+Bz4f+dMBbfRhhO/ZN8ksb0tQ=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=Dp3370JKsUjwR2M/ojIE6I4TeX+O7YILCEauGgeZfqAAJcwf4j7RX18qFZn/nNJpLYeS8IDzaRJfuU0SwaK9as4/og37I2CMfZH54NRYCrWe1JQes/7rWv0nI+SBISaRrvsqaiiJKjO7i2p1Zine8cr4xJoej+WpZ2J3Y+/jdZI= 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=209.85.166.78 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-io1-f78.google.com with SMTP id ca18e2360f4ac-82aac437083so266510539f.2 for ; Mon, 09 Sep 2024 01:19:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725869961; x=1726474761; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=Q9TK8D86o1H3VoOuFUaA0UFyWXWnfWkirvCcfMCQEsA=; b=xTtsOB9tPTfqz5Lm6kxyqnni3S4FyOmLgIiYCwUgGdphIPN0fC4vReF/xkSO2fgpv1 0HoqK5HEvfhvhqqlR27KKVFZWSRmwujIZmVDhtwLr4kmqJeS2x0xRrAEhkkIFqqO74Z7 j/rJiNFm5rpO5D8thM4TMWX2Dnqgr0Fer0Ev7+AqXkFQDOQ101eVO8pZVnJLBhodnz0I BBiNK58jw7U93/85gqjCVWQ+bKEF53vKb2xIj7VlvyADO/nqExhLpOEQUTIrNc41Tn5O ksGQFmO9MiIGM/xkwAVzebq/ncI3uHVvRT9cMgzg7ry27OyFGgY6HKdJQ00+j/DfTijQ K3WA== X-Forwarded-Encrypted: i=1; AJvYcCW5jdpnLFRwzsx4iidJW//V6kCV7Rjm8Ewd4QQK1aU3PuZA2hKrNbjN0FS8WvTXRvPzWlXCth/iURmHMPk=@vger.kernel.org X-Gm-Message-State: AOJu0YxmFMBHL8C0TvhEtHfHTuQ/NKB2mPA76BPwnvy2eyR0J9qi72xL Aph7+D1KU+SERg0dClePtNlRPi6bBXqnWwPWS5SPxYgE1neTx1TF6DzrDLxXtELpRjbAQFdfXz+ BULAB2L/SEDVhxLwUaC02JtaOySESgkfsGjsTRLNmyRkEgDRgTbZVEXI= X-Google-Smtp-Source: AGHT+IG7kEzqFgnOnAhum1TROlVcYzIW5NwHjb6aNcqMjh+PwlS6M0OWvm/FZXOWP19qz3UN84Uc9eHJZ5zxsHt0FmtFtWGSqKBf Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6602:154f:b0:82a:2385:74a6 with SMTP id ca18e2360f4ac-82a9618c4f3mr1287721039f.5.1725869960780; Mon, 09 Sep 2024 01:19:20 -0700 (PDT) Date: Mon, 09 Sep 2024 01:19:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <000000000000f0ee5b0621ab694b@google.com> Subject: [syzbot] [f2fs?] kernel BUG in new_curseg From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, 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: 89f5e14d05b4 Merge tag 'timers_urgent_for_v6.11_rc7' of gi.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14085f29980000 kernel config: https://syzkaller.appspot.com/x/.config?x=58a85aa6925a8b78 dashboard link: https://syzkaller.appspot.com/bug?extid=341e5f32ebafbb46b81c compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1614c807980000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=13854e00580000 Downloadable assets: disk image (non-bootable): https://storage.googleapis.com/syzbot-assets/7bc7510fe41f/non_bootable_disk-89f5e14d.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/dfc310daee41/vmlinux-89f5e14d.xz kernel image: https://storage.googleapis.com/syzbot-assets/a92f22c06568/bzImage-89f5e14d.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/c7aaf1741c93/mount_1.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+341e5f32ebafbb46b81c@syzkaller.appspotmail.com F2FS-fs (loop0): inject no free segment in get_new_segment of __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 F2FS-fs (loop0): Stopped filesystem due to reason: 7 ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2748! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5109 Comm: syz-executor304 Not tainted 6.11.0-rc6-syzkaller-00363-g89f5e14d05b4 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Code: 24 58 e8 12 b9 f2 ff eb 05 e8 4b 71 96 fd 48 8b 7c 24 70 e8 91 ac c6 07 48 8b 7c 24 10 31 f6 ba 07 00 00 00 e8 50 1e f6 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000179f548 EFLAGS: 00010246 RAX: 8fb07c62f860e300 RBX: 00000000000002b2 RCX: 8fb07c62f860e300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff8880125250c8 R08: ffffffff817401bc R09: 1ffff920002f3e20 R10: dffffc0000000000 R11: fffff520002f3e21 R12: ffff8880008c2700 R13: ffff8880125250cc R14: 1ffff110024a4a19 R15: 00000000000002b2 FS: 0000555593e0e380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6cf8cb40f8 CR3: 000000001255a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __allocate_new_segment+0x1ce/0x940 fs/f2fs/segment.c:3167 f2fs_allocate_new_section fs/f2fs/segment.c:3181 [inline] f2fs_allocate_pinning_section+0xfa/0x4e0 fs/f2fs/segment.c:3195 f2fs_expand_inode_data+0x5d6/0xbb0 fs/f2fs/file.c:1799 f2fs_fallocate+0x448/0x960 fs/f2fs/file.c:1903 vfs_fallocate+0x553/0x6c0 fs/open.c:334 do_vfs_ioctl+0x2592/0x2e50 fs/ioctl.c:886 __do_sys_ioctl fs/ioctl.c:905 [inline] __se_sys_ioctl+0x81/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6cf8c37229 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffeb5036b58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f6cf8c37229 RDX: 00000000200000c0 RSI: 0000000040305828 RDI: 0000000000000004 RBP: 0000000000000000 R08: 00007ffeb5036b90 R09: 00007ffeb5036b90 R10: 00007ffeb5036b90 R11: 0000000000000246 R12: 00007ffeb5036b7c R13: 0000000000000002 R14: 431bde82d7b634db R15: 00007ffeb5036bb0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:get_new_segment fs/f2fs/segment.c:2748 [inline] RIP: 0010:new_curseg+0x1f61/0x1f70 fs/f2fs/segment.c:2836 Code: 24 58 e8 12 b9 f2 ff eb 05 e8 4b 71 96 fd 48 8b 7c 24 70 e8 91 ac c6 07 48 8b 7c 24 10 31 f6 ba 07 00 00 00 e8 50 1e f6 ff 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 90 90 90 90 90 90 90 RSP: 0018:ffffc9000179f548 EFLAGS: 00010246 RAX: 8fb07c62f860e300 RBX: 00000000000002b2 RCX: 8fb07c62f860e300 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffff8880125250c8 R08: ffffffff817401bc R09: 1ffff920002f3e20 R10: dffffc0000000000 R11: fffff520002f3e21 R12: ffff8880008c2700 R13: ffff8880125250cc R14: 1ffff110024a4a19 R15: 00000000000002b2 FS: 0000555593e0e380(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6cf8cb40f8 CR3: 000000001255a000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- 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 syzbot to run the reproducer, reply with: #syz test: git://repo/address.git branch-or-commit-hash If you attach or paste a git patch, syzbot will apply it before testing. 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