From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 132C9CD37AC for ; Thu, 14 May 2026 20:25:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.sourceforge.net; s=beta; h=Content-Transfer-Encoding:Content-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: Subject:To:From:Message-ID:Date:MIME-Version:Sender:Reply-To:Cc:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Owner; bh=C4b0u8VrZhw34U3rP5Gm/72qvLNxQo4I6ISdnYSRhbE=; b=UghJWJhpniBb8Qzq/WNPI5OekE MNVDzkbbY2MNV0amL4QEUXlALDToYf+oAVp52HadCY4NYS3BYV/ohx1TzjsnTeuI8lEhwWZ2JOLF6 1gSoFuUeZwhhIVdAZvMDh4ye9PUKdFmU2MIifmQCQZIeeMAlaIjU4aRY8CHJ7LOvgDH8=; Received: from [127.0.0.1] (helo=sfs-ml-3.v29.lw.sourceforge.com) by sfs-ml-3.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1wNccL-0003qN-RH; Thu, 14 May 2026 20:25:14 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-3.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <3XC4GagkbACkXdePFQQJWFUUNI.LTTLQJZXJWHTSYJSY.HTR@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com>) id 1wNccL-0003qF-0h for linux-f2fs-devel@lists.sourceforge.net; Thu, 14 May 2026 20:25:13 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:To:From:Subject:Message-ID:Date: MIME-Version:Sender:Reply-To:Cc:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=/jU1oy8BI9LHdTj/QqStWzAsOZvfYuSa+bxSV24WCt8=; b=f3a+7ahVqwKvxoz9lXjdtA6bXq 7A1TOmtJquzjmU700EaG87+cypN0RsIYW8Fn+jD1MyFnw+AZFnqhsLaO/XiFGOyCzYbgNXwHQgZJs +hpnDE8awUSVrZRYBPtpyxgdXy5ob8Z2yREkIpeprSL2/D0LTn7trKyXhjUUX/F6lVeg=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Type:To:From:Subject:Message-ID:Date:MIME-Version:Sender:Reply-To :Cc:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=/jU1oy8BI9LHdTj/QqStWzAsOZvfYuSa+bxSV24WCt8=; b=B Uk+7PitV59PSmfkWG9pblSPUYyPJmANFejR6lCTL3zldNH3zDbk7R2Luinsm6qd1CLRqYkvkJFgne p9DtAUgBuvv/4hBN2pDCb9YIQFii66ul35FE93eTqRYkOJzpkLlBZUNi6LbR41ZRUNkV7kvuS8Sr0 Ft3lEFHHfmGeF+YY=; Received: from mail-qt1-f207.google.com ([209.85.160.207]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.95) id 1wNccJ-0001fS-7V for linux-f2fs-devel@lists.sourceforge.net; Thu, 14 May 2026 20:25:13 +0000 Received: by mail-qt1-f207.google.com with SMTP id d75a77b69052e-516458449d4so36209191cf.1 for ; Thu, 14 May 2026 13:25:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1778790306; x=1779395106; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=/jU1oy8BI9LHdTj/QqStWzAsOZvfYuSa+bxSV24WCt8=; b=T8ylqnAogeLbMZ0OAIb3sCj4twRR8CSY0hVPTr+R2FDfPXdj3Q76rFfvN25smg3rcB mtRl83kkHtQ+bO7cZg3LQx6dt0c7SkK3+fGTTQkpixwUFeYmEib6QPr2M4FCfWdewz8e NjEXfqnUKlwkdmWVtnRuqb1fEg5inZgEZYvjCjlEo0OppWHjA+47Jx47alJJNSJ/xgXi YSn6jFM6uY3gUZabS2bcwSAEwa6epJjd8xnLog4k2MmcpOGpt2Bdn431zlzjHessnB+f 14V2LhSQyxH5J5DWdz06dMYZWLXwzl4SlvHvNccHCvFAkxKUZ9EksLvD2ruvOWhmSdzm Gieg== X-Forwarded-Encrypted: i=1; AFNElJ8K0utLadLsw4UjEyu0FhPOfp24z9p6SPSj2BkLYVl4fCNSbAl//nfWFMM3Cty5s6S7yBHT1gtqDvb7/V/SJIVl@lists.sourceforge.net X-Gm-Message-State: AOJu0YwLIP0IcD/faAWiZhZT6uDeil2VXoqL8GajABf0DAFbVCxj+Tfo ck583ACFW3IZ50eHif1mOjPkosfhCca0iMNDIeN7muzasQ3KzxPI4jGPZ834ss6tucRyocw5UE4 GITMhXOshBHTPgH5g7qwvU7J/NW8jmqBKeVvw58YGP8aJ/6f5TdhaQpI0fdI= MIME-Version: 1.0 X-Received: by 2002:a05:6820:f013:b0:696:8325:f7f5 with SMTP id 006d021491bc7-69c94330876mr681089eaf.4.1778789980928; Thu, 14 May 2026 13:19:40 -0700 (PDT) Date: Thu, 14 May 2026 13:19:40 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <6a062e5c.170a0220.196691.0007.GAE@google.com> From: syzbot To: chao@kernel.org, jaegeuk@kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com X-Headers-End: 1wNccJ-0001fS-7V Subject: [f2fs-dev] [syzbot] [f2fs?] kernel BUG in f2fs_write_end_io (2) X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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: aa54b1d27fe0 rxrpc: Also unshare DATA/RESPONSE packets whe.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=14adabce580000 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 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1643c3ce580000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12adabce580000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/418e3ed628cf/disk-aa54b1d2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a35b53d0ab2f/vmlinux-aa54b1d2.xz kernel image: https://storage.googleapis.com/syzbot-assets/03c3fa0081b4/bzImage-aa54b1d2.xz mounted in repro #1: https://storage.googleapis.com/syzbot-assets/13e397c7f935/mount_0.gz fsck result: failed (log: https://syzkaller.appspot.com/x/fsck.log?x=158fad06580000) mounted in repro #2: https://storage.googleapis.com/syzbot-assets/2f91edde40dc/mount_8.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+4af46ee83100e99bce09@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/f2fs/data.c:388! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 31 Comm: ksoftirqd/1 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+0x16df/0x1740 fs/f2fs/data.c:388 Code: 20 3c 9b 8b e8 12 0a f7 fc 90 0f 0b e8 0a cc 93 fd 48 8b 3c 24 48 c7 c6 20 3c 9b 8b e8 fa 09 f7 fc 90 0f 0b e8 f2 cb 93 fd 90 <0f> 0b e8 ea cb 93 fd 48 8b 3c 24 48 c7 c6 20 3c 9b 8b e8 da 09 f7 RSP: 0018:ffffc90000a5fb18 EFLAGS: 00010246 RAX: ffffffff8430aade RBX: ffffea0000d91c40 RCX: ffff88801d6b0000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1f11dff R12: 0000000036471000 R13: ffffea0000d91c80 R14: 000000000000000b R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888126276000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff6352cff8 CR3: 000000002caa2000 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+0x16df/0x1740 fs/f2fs/data.c:388 Code: 20 3c 9b 8b e8 12 0a f7 fc 90 0f 0b e8 0a cc 93 fd 48 8b 3c 24 48 c7 c6 20 3c 9b 8b e8 fa 09 f7 fc 90 0f 0b e8 f2 cb 93 fd 90 <0f> 0b e8 ea cb 93 fd 48 8b 3c 24 48 c7 c6 20 3c 9b 8b e8 da 09 f7 RSP: 0018:ffffc90000a5fb18 EFLAGS: 00010246 RAX: ffffffff8430aade RBX: ffffea0000d91c40 RCX: ffff88801d6b0000 RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000100 RBP: dffffc0000000000 R08: 0000000000000000 R09: 0000000000000100 R10: dffffc0000000000 R11: fffffbfff1f11dff R12: 0000000036471000 R13: ffffea0000d91c80 R14: 000000000000000b R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888126276000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007eff6352cff8 CR3: 000000002caa2000 CR4: 00000000003526f0 --- 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 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel