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 94F52FD4F35 for ; Tue, 10 Mar 2026 20:22:34 +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=voZ4N+WsHkyZ/a3Gy00oaeNoGWuJOwCFH4Jc+VX3kuk=; b=cPBPDSRj2n5zfuY0WIx+n/OJoS jm7tzDIV64u5wBN4HisvvsE4lWWBKw004pX+12vcW9IzQEVzRBmxKWIjY5H9fQkOl0Pjcw4nluKNR eoONGpAIY/Pha6YQD4/8zOT1QkMC/R/pmz925xoZvv4GK2sGIGgV8hhv1ZK10J57XiRc=; Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1w03b6-0007Lq-Lw; Tue, 10 Mar 2026 20:22:32 +0000 Received: from [172.30.29.66] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from <3fH2waQkbAI09FG1r22v8r66zu.x55x2vB9v8t54Av4A.t53@M3KW2WVRGUFZ5GODRSRYTGD7.apphosting.bounces.google.com>) id 1w03b5-0007Lj-FX for linux-f2fs-devel@lists.sourceforge.net; Tue, 10 Mar 2026 20:22:31 +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=bjBF6qoYBijr9UqZ/693jcBIL08PLtrpQB2lTanJAtc=; b=ASgW4kodtoqCEVTHJZNit/akmQ TgJWix+qFVipb8Pvuxm9uUthyIyBCdg6ZV1d1VW/F9xqfEnPVOGfQtFy/Ir2oWnF4zJW1pDbaq0Sf y57CgEUgJ9QQY25S1ZvI8kLrCcVJaKdlT0OUXJ+DhUu31ZynIof/hUghXdO3fne65l7I=; 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=bjBF6qoYBijr9UqZ/693jcBIL08PLtrpQB2lTanJAtc=; b=d 9hrxl8tWZa+otOKKSvqADQ5XIQiuWtSdpI9NTcxQfZFEc9o3iNAz2kTDxQa9eoryTMfiaQlc5vuDr ZY2CGHDFPVckQGU1Jodrtn4U+2rJKcYpG3VlHuzqBG2lmHvrH5mk//oQizeX1TV7DPnCPCtV/tCZ2 ju00vdb2+Yit++xA=; Received: from mail-oo1-f69.google.com ([209.85.161.69]) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.95) id 1w03b4-0000te-MO for linux-f2fs-devel@lists.sourceforge.net; Tue, 10 Mar 2026 20:22:31 +0000 Received: by mail-oo1-f69.google.com with SMTP id 006d021491bc7-67bb6081a0dso32005792eaf.2 for ; Tue, 10 Mar 2026 13:22:30 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1773174140; x=1773778940; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=bjBF6qoYBijr9UqZ/693jcBIL08PLtrpQB2lTanJAtc=; b=uLHAondIIsrrmU5R+J5yufQsnApHeqfzDukJF/fUCL6dxxFcbO2wphuyvcl3my43Mg /ggy4ev5yd/dUug6yvEnHgzDLx3Ttx0vq6KFs7YdSKUAWnPBRl3BKIz8BI+SsCTWUxdm g4Mfxbn4J99ngUD0GBIYDaAfHsnBq+8MimYLOH9anX2gDhBgiQhKq7gGwUDITIr7rR1o s7AhxZ+cvfELHUWxWc11Ir2eiCDvUhWDSjeN5yucEvGrFmwDbbyA53ZmckBcIV9Eb3YC Yow/qJ/B3jiVef4q2a6fVe5JfgI982a8SWPPWnMNx6XcISpVIMV9x1alJRdPaloCgw/E 3Dzg== X-Forwarded-Encrypted: i=1; AJvYcCUtnVqFu5al47x/d2xgmT+7CxXe+YmklrN2BiAQ1bj2bNZ4lYs0l9m7boTMEr0Kt2r82ZzRc+61xiP7bffpUTbN@lists.sourceforge.net X-Gm-Message-State: AOJu0YymzGHOsRKhdoq0gKlqvxIQ6wz3zmOlF5gA4Gdhi6fKSxfe+JiZ CRJJurQ/OyyNiXejjuSghTQMeTbx+hPDAMkDcHoaIB3LvcoG3MBpGyZYLjwty/HAMrbMpPrjjAu 7p7U2a9g6ImJD/7ShO2uRtTjYjTRH1K9pnRCeCidNxMvvqGvA+8n9DBg2Y/Y= MIME-Version: 1.0 X-Received: by 2002:a05:6820:3086:b0:67b:b45c:bd71 with SMTP id 006d021491bc7-67bc8a8a653mr72541eaf.73.1773174140016; Tue, 10 Mar 2026 13:22:20 -0700 (PDT) Date: Tue, 10 Mar 2026 13:22:20 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69b07d7c.050a0220.8df7.09a1.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: 1w03b4-0000te-MO Subject: [f2fs-dev] [syzbot] [f2fs?] kernel BUG in f2fs_issue_discard_timeout 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: 651690480a96 Merge tag 'spi-fix-v7.0-rc2' of git://git.ker.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=157f58d6580000 kernel config: https://syzkaller.appspot.com/x/.config?x=2a019678b1a3a692 dashboard link: https://syzkaller.appspot.com/bug?extid=62538b67389ee582837a compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/fd03debd6a84/disk-65169048.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/6a72bd6fa116/vmlinux-65169048.xz kernel image: https://storage.googleapis.com/syzbot-assets/251bc9642a29/bzImage-65169048.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+62538b67389ee582837a@syzkaller.appspotmail.com ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:1900! Oops: invalid opcode: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 6527 Comm: syz.5.110 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026 RIP: 0010:f2fs_issue_discard_timeout+0x59b/0x5a0 fs/f2fs/segment.c:1900 Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c d6 fe ff ff 48 89 df e8 a8 5e fa fd e9 c9 fe ff ff e8 4e 46 94 fd 90 0f 0b e8 46 46 94 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc9000494f940 EFLAGS: 00010283 RAX: ffffffff843009ca RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9001ca78000 RSI: 00000000000029f3 RDI: 00000000000029f4 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100893a431 R12: 1ffff1100893a430 R13: 1ffff1100c2b702c R14: dffffc0000000000 R15: ffff8880449d2160 FS: 00007ffa35fed6c0(0000) GS:ffff88812643d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b68634000 CR3: 0000000039f62000 CR4: 00000000003526f0 Call Trace: __f2fs_remount fs/f2fs/super.c:2960 [inline] f2fs_reconfigure+0x108a/0x1710 fs/f2fs/super.c:5443 reconfigure_super+0x227/0x8a0 fs/super.c:1080 do_remount fs/namespace.c:3391 [inline] path_mount+0xdc5/0x10e0 fs/namespace.c:4151 do_mount fs/namespace.c:4172 [inline] __do_sys_mount fs/namespace.c:4361 [inline] __se_sys_mount+0x31d/0x420 fs/namespace.c:4338 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ffa37dbda0a Code: 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffa35fece58 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffa35fecee0 RCX: 00007ffa37dbda0a RDX: 0000200000000180 RSI: 0000200000000000 RDI: 0000000000000000 RBP: 0000200000000180 R08: 00007ffa35fecee0 R09: 00000000018424bc R10: 00000000018424bc R11: 0000000000000246 R12: 0000200000000000 R13: 00007ffa35fecea0 R14: 0000000000000000 R15: 00002000000003c0 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:f2fs_issue_discard_timeout+0x59b/0x5a0 fs/f2fs/segment.c:1900 Code: d9 80 e1 07 80 c1 03 38 c1 0f 8c d6 fe ff ff 48 89 df e8 a8 5e fa fd e9 c9 fe ff ff e8 4e 46 94 fd 90 0f 0b e8 46 46 94 fd 90 <0f> 0b 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 RSP: 0018:ffffc9000494f940 EFLAGS: 00010283 RAX: ffffffff843009ca RBX: 0000000000000001 RCX: 0000000000080000 RDX: ffffc9001ca78000 RSI: 00000000000029f3 RDI: 00000000000029f4 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: ffffed100893a431 R12: 1ffff1100893a430 R13: 1ffff1100c2b702c R14: dffffc0000000000 R15: ffff8880449d2160 FS: 00007ffa35fed6c0(0000) GS:ffff88812643d000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2b68634000 CR3: 0000000039f62000 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 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