From nobody Tue Apr 21 22:27:17 2026 X-Original-To: dev-commits-src-main@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 4g0cRV22r2z6Zkdt for ; Tue, 21 Apr 2026 22:27:18 +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 4g0cRT5tjGz3Pld for ; Tue, 21 Apr 2026 22:27:17 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1776810437; 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=fSeCiIgWDNehVdllKWPCwzCIoOU6SyhkcO+KE7ALTmo=; b=davcnh1+0ToYy1XiZrpdhdIQAwALOMS3a/7gsg9aEfx73EeohMeA0L/W1u+0mcdacbWZPV xs3UKS6lQPalG+3jrEppCPUj7YjBgObFRz6vXfftbu81ENGuDkWG6Wu5Dbt3pm6Dir/RVs 8xXQt5xqSwSUpWhyyZh3oaUyNZ24ke7oIjrjybKn+rNzcbL5s97lVUgnDjCuNLfboiuIQ5 LapG9E56BZPOJqUZFlb7PbLbPkqBcls6JRFlOyycDYNNod5FiBRk2/Zqv1ozjyv2Mx4IXn fLDu1Nj4wmhKk3+sW74AxFdEYB+OqybQCh6rV8lmPIT3hCk81pMfWPnPaO1kyQ== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1776810437; a=rsa-sha256; cv=none; b=pKrjK7F5naEEHp3+XF20aJrLR96CVonHZYH791uPer9bbQu40OEZh0glU9w5Ojxb1kjC2m uYm4ETvjvnyD0YyqO2U9GM9dSK+KmPsBJ94+afRX6oH/iFoIY7L84c6Dsa5Ej41cc8F7K0 +nECLxeNVJUqFcDID3+Ru9QjOT90AA+ZMWqs6O/pBehCPPdzYsB1EZF2OSqWm7of4CatPA SEnNZq7np1gCnqGz2Yi380JTLMzpGcLhcB2dbxjcnArbMdlgYnm3pg5GfG4s+Jg9totVRq LnjsYBNLRGFlenFaE+Zf7FsAnU98zN7dbiegqEGSDQ7sNcYTlJfwsEksp5AljQ== 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=1776810437; 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=fSeCiIgWDNehVdllKWPCwzCIoOU6SyhkcO+KE7ALTmo=; b=q1N8fCaHCiPFsQghMpLkgtP7KyTC12PM7p5YsRiGWPyJPzGgCPO5F8pbaP+4A66vtkeNWy Lu032tZB8Ny1PMu0Crzjx9OGX1KoyjiAf+sG8J+dunHn15GyTJfgDLRGtum/LO4dRmILDe BBcq59IEPy6mLngaagbDR7It6WGb5ZpRlpPnpTgCoD0lOvm+53JoiZUsBaFD8DUczjyIOj lxH2bB7t+kQQ6Pj04fQDRDFsha1S9BC9/cYxfeT60r1BCgTl1lSDzsd+FdbDzT66rl1sf/ 3D03e/O1auPVMtEgKASMzOYMeKJqj+MKCFd3IRj2porz1fL6qNZC05G6mwkDLA== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4g0cRT5VHzz13Mm for ; Tue, 21 Apr 2026 22:27:17 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3878c by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Tue, 21 Apr 2026 22:27:17 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron Subject: git: 2434fcfd0dd0 - main - linuxkpi: Passing a size of zero to `krealloc()` frees the pointer List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@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/main X-Git-Reftype: branch X-Git-Commit: 2434fcfd0dd07847a8518351b4525ec488f4d0bd Auto-Submitted: auto-generated Date: Tue, 21 Apr 2026 22:27:17 +0000 Message-Id: <69e7f9c5.3878c.32c8cd42@gitrepo.freebsd.org> The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=2434fcfd0dd07847a8518351b4525ec488f4d0bd commit 2434fcfd0dd07847a8518351b4525ec488f4d0bd Author: Jean-Sébastien Pédron AuthorDate: 2026-04-14 00:00:23 +0000 Commit: Jean-Sébastien Pédron CommitDate: 2026-04-21 22:18:26 +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 Differential Revision: https://reviews.freebsd.org/D56452 --- 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));