From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out162-62-57-210.mail.qq.com (out162-62-57-210.mail.qq.com [162.62.57.210]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 425232C0F69 for ; Thu, 5 Mar 2026 06:35:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=162.62.57.210 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772692525; cv=none; b=r+xh22im3wNqSP4UJ0jWVjT3UcGM+iqv4n7bWEl5d3qVJhsU6gwqtysFNHVOfeit13mEMqnzgmjtwiBwc3oT0Im2OA8+SVvPzq456345iMFZTKMN8fE3yW8t+D3QDHOrNpamox5BHM+vNbEsRreUWTXTR1sKfEbLrQ2W0gptgWg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772692525; c=relaxed/simple; bh=fxCmla4oCUv/E3KLqhpDLGKUgj97nRhRoRm358vw70U=; h=Message-ID:From:To:Cc:Subject:Date:In-Reply-To:References: MIME-Version; b=SFEGWwYDh+PGAyJ6Ai0pY5KJIegEIoaqvWB/Sf4gtv0rQDFQp4h5Y6AKsRiJ2AmS50oDBmcQiBue7Qk2fCE3NTMlM0VI4PgFruIjNYLmO2jJ9RYwRAXVMcpO/VzJPRF9ltGg6RtPDjEuNHtErs1p85x//X64DA6ZB0DhSKbFw6Y= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com; spf=pass smtp.mailfrom=qq.com; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b=w9eg3P5N; arc=none smtp.client-ip=162.62.57.210 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=qq.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qq.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=qq.com header.i=@qq.com header.b="w9eg3P5N" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qq.com; s=s201512; t=1772692519; bh=pVFV6OmOB1pjBEiBV9WBsNuTqUlX3O34cxvN1q79avA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=w9eg3P5N8Z83yP+cSg6xUE79tNgOAwcz5tVq+yN5fkohghd7+hiHpMd25xiwzfHGk eh+tbbCbtHeXcXvYN5YSsYXUV67OOOHnnd4V6N5/VzZ38iPVWAUFHbj+FhQI5I6+HN Wc7qHMSFIYHXGSKw2EvwLJcd9apT4AqV+074MziE= Received: from lxu-ped-host.. ([111.201.4.63]) by newxmesmtplogicsvrsza63-0.qq.com (NewEsmtp) with SMTP id 8CF8B8B4; Thu, 05 Mar 2026 14:35:15 +0800 X-QQ-mid: xmsmtpt1772692515tks8zy1x5 Message-ID: X-QQ-XMAILINFO: NPZcszwnKSXOhHOxPSzVB0Z6z59Owhqtg/YPTpOZ84iPwzTjQ40zLS5/TU4OgL U3zMcQoL0F5TQ7yn0PY8+zpFXZBMg3XI8pHJHFpNQ7NqwHx2WZnT3OcT9oAbBiRGaTS7gNwgO+Xz iUzCR1XFPs+4a1dPhr/5z/qn/hyWqF6el/OTT9k+BThNucp57wxXxX+vLoK3nXshxnaWwclXlI7z aDYwcnJkbtzkfOo7s7KqR1zxXJ9i5+6dRg2+TmJBWrVTAg1eobhTL/EUaV4Xu6rpS9bhAI2JxO1c w9sJYobh07ipyWRoskRz+8nEdvoMEj4bjVN/RBGZRYUftjZJxT0/N0/DjkTuLHcMFHl10INAPzWK PcleCdAKn8/kMo7s0ZFJ7W+wVRDGyUfFLSObFbc8UuR0N8/RHFGchMZFA1pGnCr2k3e0EXg0LuI9 olDqIENBs4MSatH/TDIyxPxurRmZfc853n6PRJ1XBxg8RW5kEagsqsjvPkUqgz6w1PkJh3tTrFTI V/3Mwd6dl9wAp2xKGgxth3gpx7gNu3OIca+HnYRTyZsl8tii24yjOeq/n90IweNU9H+WGTLet6BX wLsUrsDYO4iRe32cgXIk4i2qKUKCMs/pXcXglXp0xdsA+Uh9B3SstDJ2282LTI23agiCxgwAMnvx gB5ysR38IDZSsmrsKrsKrk3QM2My24grWA4CNl73IQNFo1YShaRnj2TV98LJDAbSlchFTa9myWs3 C29NAQLWjmeM9qmE8KVVs6wlWgJeLBh11yoxO7VHFfzUYK7FioJEG0Qu0R9mbQ098Hj/lZ5POZGr FV1fXBqSlm9E0IuXAISLFbR9NNFdKm9vaz3MhdsNSN8E8rD10z6HsZ397BOVOxh2IUS+XOA5+hgg jiHknyEfubyLnRMZPOubqXut2nFsiUQ4ZDlCQE6B5ggTjTtBetBvYUsYQpYZFmFS7gFdR9Iht9Ak VvNF5p3zOYxgV32jvt56XOGGJtGaokUGCMOEdgmjg0tACrd8m1jrU7v4aVTvJxaAl/3nLBFVIW7j IiHsSIZImOvdCwDM217IAAVBZ4g1fquCl0NAuPnQM09iUqPUNQ7uKH72tCLiM= X-QQ-XMRINFO: Mp0Kj//9VHAxzExpfF+O8yhSrljjwrznVg== From: Edward Adam Davis To: syzbot+512459401510e2a9a39f@syzkaller.appspotmail.com Cc: linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com Subject: Re: [syzbot] [ext4?] INFO: task hung in filename_rmdir Date: Thu, 5 Mar 2026 14:35:16 +0800 X-OQ-MSGID: <20260305063515.410956-2-eadavis@qq.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <69a1a0eb.050a0220.3a55be.0021.GAE@google.com> References: <69a1a0eb.050a0220.3a55be.0021.GAE@google.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit #syz test diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c index ae3804f36535..0bed3379f2d2 100644 --- a/fs/ext4/extents.c +++ b/fs/ext4/extents.c @@ -4458,19 +4458,13 @@ int ext4_ext_map_blocks(handle_t *handle, struct inode *inode, if (IS_ERR(path)) { err = PTR_ERR(path); if (allocated_clusters) { - int fb_flags = 0; - /* * free data blocks we just allocated. * not a good idea to call discard here directly, * but otherwise we'd need to call it every free(). */ ext4_discard_preallocations(inode); - if (flags & EXT4_GET_BLOCKS_DELALLOC_RESERVE) - fb_flags = EXT4_FREE_BLOCKS_NO_QUOT_UPDATE; - ext4_free_blocks(handle, inode, NULL, newblock, - EXT4_C2B(sbi, allocated_clusters), - fb_flags); + ext4_ext_remove_space(inode, newex.ee_block, newex.ee_block); } goto out; }