From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oo1-f70.google.com (mail-oo1-f70.google.com [209.85.161.70]) (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 20ECF1A680B for ; Mon, 23 Mar 2026 14:21:21 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.161.70 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774275683; cv=none; b=Q+wc/JvnX3Ry3jfIf1/OmWDLQ3ZL1NFA60r89rETKcfDBalbiCdPyQwmdIS4TQHH+u3yWik0pONDlq10YxylzawCodWLzvF6nRacIbPJRTje1pnWojBUjrho9MdZluw+gRI7Qk1gPK8UX1TahtjcYfH+Njk5aNrvtfQ8y5UbWYU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774275683; c=relaxed/simple; bh=2+miP6mqSGpC0/vktBgh5ZOnbj58rUksVFL85nsC4Vc=; h=MIME-Version:Date:Message-ID:Subject:From:To:Cc:Content-Type; b=iCZOs+VcoyxY7Yqo4Incc1hALg9GDSyjmUM/1GtZd2AvgrZU1pwzxCpyLw6iC3sEZ1v+pxp/t6Jc1nQYSVKrca+j6a4oBNffotyjZU8uBuH69TCcockNLwnadBkdxoQGWeUJ6N4qQVHUzR8I4alf7+HCG6DCN2xwbMKBftx0rLw= 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=209.85.161.70 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-oo1-f70.google.com with SMTP id 006d021491bc7-67df00643eeso8177544eaf.1 for ; Mon, 23 Mar 2026 07:21:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1774275681; x=1774880481; h=cc:to:from:subject:message-id:date:mime-version:x-gm-message-state :from:to:cc:subject:date:message-id:reply-to; bh=hjOMCHvrF+cxNJccmRKYKpNllXGGc78NAFJ2AdN8TLg=; b=k6ePdO+k7qf/gWBmMNvGdJ8IcynOtKjZ+XdQW7EdvfjUjD0/uMpJIsHkD9Wl962WZs 8ME5zxBugG1GSWicYpK48rYOPLzR3tlByG0UQT6YrMrP3Bb4b9j5BzITGrDgbaiGdtxY udcZ4eak18CYmtXAkU+RIkE6WWqUZdlGG/BFnJ87b1iRi2psVLP0//w5lXnFoj1vh2sb +WH/74AJEWHAbUUmXZPcCg1PX7QKSMhG1pakdH/gaqIH+m0BkUzWc6lUm/mYszRhycqa 6f4paYdmg56hW2iRg6Y8pmviFiJYTkWvE11gJ2hwBNhrvPc1aOzQFPNTBQJRqrYneeYM ArYA== X-Gm-Message-State: AOJu0Yw2S2ZN1KSMtEtIZLF8cXoeLC/PdJs6P68nfbvcxRinwROj2vf/ kk/gYxRyiWJbnZb71NKxkbvNTVaP9O+D9vibwya4xoJWhjwxFZRNtzD/8AkAycpSW2bDkAIUm5u +S1yFgW08zST0M/5pcZimvE0ETq8AHEAm1xXTrikk0IYezbYj9gCcZzyLAGc= Precedence: bulk X-Mailing-List: syzbot@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Received: by 2002:a05:6820:2227:b0:67d:95bf:b534 with SMTP id 006d021491bc7-67d95bfb825mr5193931eaf.31.1774275681102; Mon, 23 Mar 2026 07:21:21 -0700 (PDT) Date: Mon, 23 Mar 2026 07:21:21 -0700 X-Google-Appengine-App-Id: s~syzkaller X-Google-Appengine-App-Id-Alias: syzkaller Message-ID: <69c14c61.050a0220.3bf4de.009e.GAE@google.com> Subject: [moderation/CI] Re: mm/fault, arch: faulthandler_disabled() also check irqs_disabled() From: syzbot ci To: syzkaller-upstream-moderation@googlegroups.com Cc: syzbot@lists.linux.dev Content-Type: text/plain; charset="UTF-8" syzbot ci has tested the following series [v1] mm/fault, arch: faulthandler_disabled() also check irqs_disabled() https://lore.kernel.org/all/20260323100100.1031582-1-jackzxcui1989@163.com * [PATCH] mm/fault, arch: faulthandler_disabled() also check irqs_disabled() and found the following issue: kernel panic: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst f Full report is available here: https://ci.syzbot.org/series/588d04e2-f5a7-4066-aba9-cf490c8f5274 *** kernel panic: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst f tree: mm-new URL: https://kernel.googlesource.com/pub/scm/linux/kernel/git/akpm/mm.git base: e716edafedad4952fe3a4a273d2e039a84e8681a arch: amd64 compiler: Debian clang version 21.1.8 (++20251221033036+2078da43e25a-1~exp1~20251221153213.50), Debian LLD 21.1.8 config: https://ci.syzbot.org/builds/8bd3f249-2a4a-447d-b51f-1302d33e5e95/config Loading compiled-in module X.509 certificates Loaded X.509 cert 'Build time autogenerated kernel key: d8474fe105c77daf2f25eec890f96ef8092086e8' ima: Allocated hash algorithm: sha256 ima: No architecture policies found evm: Initialising EVM extended attributes: evm: security.selinux (disabled) evm: security.SMACK64 (disabled) evm: security.SMACK64EXEC (disabled) evm: security.SMACK64TRANSMUTE (disabled) evm: security.SMACK64MMAP (disabled) evm: security.apparmor evm: security.ima evm: security.capability evm: HMAC attrs: 0x1 PM: Magic number: 2:810:182 tty ttyr8: hash matches netconsole: network logging started gtp: GTP module loaded (pdp ctx size 128 bytes) rdma_rxe: loaded cfg80211: Loading compiled-in X.509 certificates for regulatory database Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' Loaded X.509 cert 'wens: 61c038651aabdcf94bd0ac7ff06c7248db18c600' clk: Disabling unused clocks ALSA device list: #0: Dummy 1 #1: Loopback 1 #2: Virtual MIDI Card 1 md: Waiting for all devices to be available before autodetect md: If you don't use raid, use raid=noautodetect md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. EXT4-fs (sda1): mounted filesystem b4773fba-1738-4da0-8a90-0fe043d0a496 ro with ordered data mode. Quota mode: none. VFS: Mounted root (ext4 filesystem) readonly on device 8:1. devtmpfs: mounted VFS: Pivoted into new rootfs Freeing unused kernel image (initmem) memory: 26516K Write protecting the kernel read-only data: 217088k Freeing unused kernel image (text/rodata gap) memory: 1744K Freeing unused kernel image (rodata/data gap) memory: 484K x86/mm: Checked W+X mappings: passed, no W+X pages found. x86/mm: Checking user space page tables x86/mm: Checked W+X mappings: passed, no W+X pages found. Failed to set sysctl parameter 'max_rcu_stall_to_panic=1': parameter not found Run /sbin/init as init process Starting init: /sbin/init exists but couldn't execute it (error -14) Run /etc/init as init process Run /bin/init as init process Run /bin/sh as init process Starting init: /bin/sh exists but couldn't execute it (error -14) Kernel panic - not syncing: No working init found. Try passing init= option to kernel. See Linux Documentation/admin-guide/init.rst for guidance. CPU: 1 UID: 0 PID: 1 Comm: sh Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: vpanic+0x56c/0xa60 panic+0xc5/0xd0 kernel_init+0x1c6/0x1d0 ret_from_fork+0x51e/0xb90 ret_from_fork_asm+0x1a/0x30 Kernel Offset: disabled Rebooting in 86400 seconds.. *** If these findings have caused you to resend the series or submit a separate fix, please add the following tag to your commit message: Tested-by: syzbot@syzkaller.appspotmail.com --- This report is generated by a bot. It may contain errors. syzbot ci engineers can be reached at syzkaller@googlegroups.com. The email will later be sent to: [akpm@linux-foundation.org bigeasy@linutronix.de jackzxcui1989@163.com kuba@kernel.org linux-kernel@vger.kernel.org linux-mm@kvack.org peterz@infradead.org tglx@linutronix.de] If the report looks fine to you, reply with: #syz upstream If the report is a false positive, reply with #syz invalid