From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f206.google.com (mail-il1-f206.google.com [209.85.166.206]) (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 835FD24B256 for ; Sat, 11 Jan 2025 07:59:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.206 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736582362; cv=none; b=nX+v1uUTVMIpT0BsRtH8eplVcjqo9ey+xcq0GzQVEkpjnuHpEbs9vl9eDHsVgQfn3OsR/2yWARUa3Xp+Pdt4DJQk+JvLxOhWX+kKsfTGsfEzz/5adnvvfvufqy3vrg8yKmVLbSIekFIEOCtgC6ZFw2SH+XCZi2ZQdsXyH6Nh3HM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736582362; c=relaxed/simple; bh=Z7wtWdDbXomrLr+cmK63k+gGMUoSWoL+vWxUoKgxsJk=; h=MIME-Version:Date:Message-ID:Subject:From:To:Content-Type; b=iHdHAaiOShCQtKUmHYuxUb+8Ajbe6HeaD/rk35a2CLT+u5El3DcSrAdKq3fbuQaNL2HRCEfRsZUZNX6vfKh53AYKdOpGJwCgMoLo9fFtz7qIKzWGLPRO8RaTZIctHhuzx7X2Vg4q3jFuFsBc2XHMVDoSEP68SvCNiumhDra/BJE= 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=209.85.166.206 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-f206.google.com with SMTP id e9e14a558f8ab-3a817be161bso26180485ab.1 for ; Fri, 10 Jan 2025 23:59:19 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1736582358; x=1737187158; h=to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=kisdRZb8jCqbX7wNgATSrN2YqT6FhCTfnQg+cvKe1tU=; b=Z8ammlxCHOFp9LHIG94YxU95OOhpNfQUqG8vkKjXc4gUnCaiAjxx1+mqZnQW961cdw dI9aENOeRyVbq6s3mGOpp1e9KVWC1cvDokylybmvPv3Mt/YRdyOC3aw9fzeQ/MhbXD+k J77sxVSh6eZ4oNoXwmgvwBCzCx1TPvMcz5aaztwylgkgnTvYgEBJKBCfEFIETA1nQfWw GfONljfdpQ5VAi/UNs4kGX2DfwhOHlvHwMQbFOGPfkDxzxNfrJ2qZleKYfYAjrhSMDtU 1wVbiTRTH4D3f7xwzhrz9+noztAqcPELahV4fO+stJrOSGfaBokEWTPWi+pi+m0zGIz0 +4yA== X-Forwarded-Encrypted: i=1; AJvYcCX52H3kHqHT4BF0atRjh9OEYQOTwn8rFU93kHH9HtFuhkik9fZ1TUsms12mHzxw6cUeyOdE/IXAjfFM3Z0=@vger.kernel.org X-Gm-Message-State: AOJu0Yw5Je4BuhLjV+sQ6B6t6GJvNElQEDWGoRAUwmYhcS2y4qxDlEOY nsFczBub4o+Wim5hIMBNUTHz0B/IAphCgO9dXkCzm9+uz+VB6bjcFHix14anZ9fBxeehoUj9xOt PjZVTfydK0lhpqKAqpnI90Q9sanSyB19oUn4nWnhOeisPdeROtzGKbSw= X-Google-Smtp-Source: AGHT+IFMr5eCogHz279O1pK2rPNcffg/Mu6E+Xs5DPDPIbeJTshuYK3qImPBqp/8VD0PsIlqDbk7y3x4RHCCzJRuVIcsxkrbUC8I Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6e02:13a6:b0:3cd:bcbf:1091 with SMTP id e9e14a558f8ab-3ce4b21610amr75496245ab.10.1736582358697; Fri, 10 Jan 2025 23:59:18 -0800 (PST) Date: Fri, 10 Jan 2025 23:59:18 -0800 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <678224d6.050a0220.216c54.001b.GAE@google.com> Subject: [syzbot] [kernel?] WARNING in rhashtable_rehash_alloc From: syzbot To: bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, linux-kernel@vger.kernel.org, mingo@redhat.com, syzkaller-bugs@googlegroups.com, tglx@linutronix.de, x86@kernel.org Content-Type: text/plain; charset="UTF-8" Hello, syzbot found the following issue on: HEAD commit: 7b4b9bf203da Add linux-next specific files for 20250107 git tree: linux-next console output: https://syzkaller.appspot.com/x/log.txt?x=17649ef8580000 kernel config: https://syzkaller.appspot.com/x/.config?x=63fa2c9d5e12faef dashboard link: https://syzkaller.appspot.com/bug?extid=66e59275d3870295661a 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/c179cc0c7a3c/disk-7b4b9bf2.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/fdea80f2ec16/vmlinux-7b4b9bf2.xz kernel image: https://storage.googleapis.com/syzbot-assets/a277fcaff608/bzImage-7b4b9bf2.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+66e59275d3870295661a@syzkaller.appspotmail.com ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5887 at mm/util.c:674 __kvmalloc_node_noprof+0x17a/0x190 mm/util.c:674 Modules linked in: CPU: 0 UID: 0 PID: 5887 Comm: kworker/0:4 Not tainted 6.13.0-rc6-next-20250107-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events rht_deferred_worker RIP: 0010:__kvmalloc_node_noprof+0x17a/0x190 mm/util.c:674 Code: cc 44 89 fe 81 e6 00 20 00 00 31 ff e8 2f 7a bb ff 41 81 e7 00 20 00 00 74 0a e8 e1 75 bb ff e9 3b ff ff ff e8 d7 75 bb ff 90 <0f> 0b 90 e9 2d ff ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 RSP: 0018:ffffc9000424f8d8 EFLAGS: 00010293 RAX: ffffffff8203c389 RBX: 0000000080000080 RCX: ffff888032128000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff8203c371 R09: 00000000ffffffff R10: dffffc0000000000 R11: fffffbfff203593f R12: ffffc90061c00000 R13: dffffc0000000000 R14: 00000000ffffffff R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffdfa50000 CR3: 000000000e736000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bucket_table_alloc lib/rhashtable.c:186 [inline] rhashtable_rehash_alloc+0x9e/0x290 lib/rhashtable.c:367 rht_deferred_worker+0x4e1/0x23f0 lib/rhashtable.c:427 process_one_work kernel/workqueue.c:3229 [inline] process_scheduled_works+0xa66/0x1840 kernel/workqueue.c:3310 worker_thread+0x870/0xd30 kernel/workqueue.c:3391 kthread+0x7a9/0x920 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 --- 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