From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oa1-f71.google.com (mail-oa1-f71.google.com [209.85.160.71]) (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 3E513191 for ; Fri, 15 May 2026 00:07:03 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.160.71 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778803624; cv=none; b=Tzg9GWgsFvaQO4Ul7TZ9NcLzPtw7tHaeMRVzsylTwrOPuZj159dwXwBPuoE1h7bOgM3SgFMIPwpSTe/0T1GhyAT8MyHA3CGGElz7eBeiJxeUUFOok2s4grm/99UscOFObpEDyLHQiaMIntGryiSJQzplx3P57WxYZAKXeqHl/3Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778803624; c=relaxed/simple; bh=4hMPEP+8hCJ6h1Ni/mS/8fNfZjkYuCF4oIY2CNKRA4o=; h=MIME-Version:Date:In-Reply-To:Message-ID:Subject:From:To: Content-Type; b=Zptr9qGbNRwHVf9PP+8AFrAMhKvg2NryrT5S3qrsKtD4vnZ0M5VrSqsa+WvBHyOD2ps0yiP4zZstW0mubAd2zDjaB0Q0M/YbgM9snWlzlXfe6viKi4Fb+4Ty4j9RVpstxlLERraaMMDRTq27cHaW6KXJOqBBbimrvObAg8DPNf4= 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=209.85.160.71 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-oa1-f71.google.com with SMTP id 586e51a60fabf-439a2e47200so507051fac.3 for ; Thu, 14 May 2026 17:07:03 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778803622; x=1779408422; h=to:from:subject:message-id:in-reply-to:date:mime-version :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=4Wj2cXdsAL0tQ8Gin6cvrbityoZxdgGvV3mFGU2nFdE=; b=SlACa8r2ULs4RfdlG+DTvTraK7SE5jAjm2U5uy9/7Ao0oH+kCP+1iNIU2bomGqCGUa 1BTLVOJCRzQFQ7t5KhxEYtsQr4LWtuLNPmhJJv5ShQDDvuPFbI2XDmvo9RdRnZjqFd6w 28DyX+fd/9v7bKEpVrhwedUKLGv/PzsQa87CAkHN6/RP0346kmZfjYMoALOrf4jl69Tx rv57lFZaPA8hLvX+qCD+r1GFxvFpH3akw27e2I1FAnNrUrMnvmVbpEp18HFSHbyj6GWb yJXFQjZqzvtbwJK4BBuEw4sj2FpqOURrB6U+UARLr0Bqs5SRz268FNt2QePXw6zzqJgi GWMw== X-Forwarded-Encrypted: i=1; AFNElJ+/RZXIMXzMQwAxDK4RFptlSBwM8F339J32p8PJVDvgqwAgdkj6nRfv0vd6VKO2YZZNmQwk7VrJBtsSAKs=@vger.kernel.org X-Gm-Message-State: AOJu0YyiaeIQHdcjKgp6EbhVvgFhSha2s0YZwpS07//LQaeIIVJMIAuo cI0Funjb5xZuNnUGiYCCMINE7SsL1l+kk+9dNFZu01F6YSz9MGvvIgcN77P2B3l3YBQfbE2VJqp vBTouTkilss41plvJKj1zt8CIAIT0bPND6+Qr8ORO3abb0QYXQCG6NgH/Boc= Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:4b01:b0:69b:8ef6:1328 with SMTP id 006d021491bc7-69c94585188mr1148120eaf.40.1778803622194; Thu, 14 May 2026 17:07:02 -0700 (PDT) Date: Thu, 14 May 2026 17:07:02 -0700 In-Reply-To: <20260514233543.9626-1-kartikey406@gmail.com> X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a0663a6.170a0220.196691.0008.GAE@google.com> Subject: Re: [syzbot] [f2fs?] kernel BUG in f2fs_write_end_io (2) From: syzbot To: kartikey406@gmail.com, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Content-Type: text/plain; charset="UTF-8" Hello, syzbot has tested the proposed patch but the reproducer is still triggering an issue: kernel BUG in f2fs_write_end_io f2fs-dbg: WRITE end_io: index=11 footer_nid=0 ino=0 rc=-117 ------------[ cut here ]------------ kernel BUG at fs/f2fs/data.c:397! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 0 UID: 0 PID: 15 Comm: ksoftirqd/0 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026 RIP: 0010:f2fs_write_end_io+0x193e/0x1970 fs/f2fs/data.c:397 Code: c6 e0 3c 9b 8b e8 02 e5 f6 fc 90 0f 0b e8 8a c9 93 fd 4c 89 e7 48 c7 c6 00 3e 9b 8b e8 eb e4 f6 fc 90 0f 0b e8 73 c9 93 fd 90 <0f> 0b e8 6b c9 93 fd 48 8b 3c 24 48 c7 c6 e0 3c 9b 8b e8 cb e4 f6 RSP: 0018:ffffc90000147b08 EFLAGS: 00010246 RAX: ffffffff8430cfed RBX: 0000000000001000 RCX: ffff88801cee9ec0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffff52000028f11 R12: ffffea0000a312c0 R13: 0000000000001000 R14: 000000000000000b R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888126174000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa3d3ae7dac CR3: 0000000037e5c000 CR4: 00000000003526f0 Call Trace: blk_update_request+0x57e/0xe60 block/blk-mq.c:1016 blk_mq_end_request+0x3e/0x70 block/blk-mq.c:1178 blk_complete_reqs block/blk-mq.c:1253 [inline] blk_done_softirq+0x10a/0x160 block/blk-mq.c:1258 handle_softirqs+0x1de/0x6d0 kernel/softirq.c:622 run_ksoftirqd+0x52/0x180 kernel/softirq.c:1076 smpboot_thread_fn+0x541/0xa50 kernel/smpboot.c:160 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_write_end_io+0x193e/0x1970 fs/f2fs/data.c:397 Code: c6 e0 3c 9b 8b e8 02 e5 f6 fc 90 0f 0b e8 8a c9 93 fd 4c 89 e7 48 c7 c6 00 3e 9b 8b e8 eb e4 f6 fc 90 0f 0b e8 73 c9 93 fd 90 <0f> 0b e8 6b c9 93 fd 48 8b 3c 24 48 c7 c6 e0 3c 9b 8b e8 cb e4 f6 RSP: 0018:ffffc90000147b08 EFLAGS: 00010246 RAX: ffffffff8430cfed RBX: 0000000000001000 RCX: ffff88801cee9ec0 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffff52000028f11 R12: ffffea0000a312c0 R13: 0000000000001000 R14: 000000000000000b R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888126174000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa3d3ae7dac CR3: 0000000037e5c000 CR4: 00000000003526f0 Tested on: commit: 66182ca8 Merge tag 'net-7.1-rc4' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10c5e996580000 kernel config: https://syzkaller.appspot.com/x/.config?x=f2e8ebfec4636d32 dashboard link: https://syzkaller.appspot.com/bug?extid=4af46ee83100e99bce09 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 patch: https://syzkaller.appspot.com/x/patch.diff?x=1105e996580000