From nobody Wed Apr 29 21:42:53 2026 X-Original-To: dev-commits-src-all@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4g5W4Z1T9nz6c0mB for ; Wed, 29 Apr 2026 21:42:54 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R13" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4g5W4Y5pw7z3gpc for ; Wed, 29 Apr 2026 21:42:53 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777498973; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=1yuuFQLRPOfo8UPpn5/5+NtdYJE8fW9W/p7FaiIG+SU=; b=ve/A6H5Mgif3DEFrmgIyFoc9ulVYrlBEWO+S94+YLCh7Xtyuwpg1LVL39fPiS5zmmbgJaf O8BVdhKqozTxUraVZd2h+BN0ecAXKyC+gOVQn3P1i/q+C8c3CI0OsE7iVAKVn1qWEBoXah Os98X9mVJn4N6fzONGV2WL79NqR6xDCvJgblK3hsw77+SBsIRkjbA0YNHOBI0J3z2k4TqZ En2tn/Nu0ygNsrleMX7cEOEsycbrnTq5uzbFy+HSzmeRs9gIoyV0AkkGI4mqqBM2CUK5Yl H2siAgJDdW56nEqksfiIsmiiJ2vfDFvBryxao9Bb7ijL+FjK0BVjTxVNG9pFEw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1777498973; a=rsa-sha256; cv=none; b=WJBDo5xied28E0E4DqU1m2DkJEfxEJ/Icp8bn4zLDjygngSQgMAE6UbYIMkIc3CFpUOylJ i6eORKf3oQXGDgqqMcjJqvkwRmZfDEdkfKq/yUKhIIwXDU2FL74LGKkIgFs730aCPjuPnj 93oLaTWKip9JxICGQUXsBSQMxhmVtHTUM2FKLC1jZcqy6YhOylg1z70sSJiCZhpAlR7jRT 6YUHEWj5gCQZjinn1kn+mad+FrqYp9YOQUSofx8vlXthAT/2DDFrvxz1JtT7qXjkVMJzWN zuKiZVd8j3Maq7zsNC1ZkAY1is9UDZBIot+OvxWTx1rNXSddZBo0KINRQUUwqQ== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1777498973; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=1yuuFQLRPOfo8UPpn5/5+NtdYJE8fW9W/p7FaiIG+SU=; b=XZmWNJCoWOVU8fUzYHv7kBVqWLRh0w79xbld7l+O97yrPkQdwI+QW0wwilDT3bxPxuNWMT p++yK+XaF4iiPF6g841vTYaljc4l35xZs78O/mVTxoxk5EafBp6OcGlGP1QlahASeFT40H RcugqqAmZOQszn2Jkaqg9+n0ERpBZk8mF8AuAkRK87u30JPo1jUel2UhouXi82KQ564RdH CHbPdpn6x0HgVIB092wp2fQvgO8h3nnThjw1V3LMAkYn1hmsrHr7q744uEXm039rNMQH8K LzbeIqX6U0kUadXoykgWgTtkgsrLmeZaHXteHAPdoBFvt4vJt66wq1w6mDUzrA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4g5W4Y5CDFzym8 for ; Wed, 29 Apr 2026 21:42:53 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 18c2b by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Wed, 29 Apr 2026 21:42:53 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron Subject: git: e07d29adeabf - stable/15 - linuxkpi: Passing a size of zero to `krealloc()` frees the pointer List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-all@freebsd.org Sender: owner-dev-commits-src-all@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: dumbbell X-Git-Repository: src X-Git-Refname: refs/heads/stable/15 X-Git-Reftype: branch X-Git-Commit: e07d29adeabf9dce7037455946ddc63c09745521 Auto-Submitted: auto-generated Date: Wed, 29 Apr 2026 21:42:53 +0000 Message-Id: <69f27b5d.18c2b.6a914668@gitrepo.freebsd.org> The branch stable/15 has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=e07d29adeabf9dce7037455946ddc63c09745521 commit e07d29adeabf9dce7037455946ddc63c09745521 Author: Jean-Sébastien Pédron AuthorDate: 2026-04-14 00:00:23 +0000 Commit: Jean-Sébastien Pédron CommitDate: 2026-04-29 21:03:34 +0000 linuxkpi: Passing a size of zero to `krealloc()` frees the pointer This matches the API on Linux. Reviewed by: bz Sponsored by: The FreeBSD Foundation (cherry picked from commit 2434fcfd0dd07847a8518351b4525ec488f4d0bd) --- sys/compat/linuxkpi/common/src/linux_slab.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sys/compat/linuxkpi/common/src/linux_slab.c b/sys/compat/linuxkpi/common/src/linux_slab.c index 96fe74dcd40d..a387e5c23ad3 100644 --- a/sys/compat/linuxkpi/common/src/linux_slab.c +++ b/sys/compat/linuxkpi/common/src/linux_slab.c @@ -250,6 +250,11 @@ lkpi_krealloc(const void *ptr, size_t size, gfp_t flags) if (ptr == NULL) return (kmalloc(size, flags)); + if (size == 0) { + kfree(ptr); + return (ZERO_SIZE_PTR); + } + osize = ksize(ptr); if (size <= osize) return (__DECONST(void *, ptr));