From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 2178) id 475B73856DD6; Mon, 11 Sep 2023 08:04:37 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 475B73856DD6 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1694419477; bh=jNhLoiB4UbwTLojCemOm72/FR7JnXaiR46kt2wPxsQw=; h=From:To:Subject:Date:From; b=Uo4DYIepz88KSuh+QQfRHuuAngLdZ7rmMXs9Sw7pvKE/PXtHCMowtBQ71B2KcYwXr /UCoUuPIm+KoRSDlWWi37LCiZ2jhsXZ45h/R0EaZ71IG5ApOvUzCSOOh/TDzZT9RCZ OY2MY3ol7AmfYgdfKJ/JmtmUt+lnhdmUgSqUvcHc= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Florian Weimer To: glibc-cvs@sourceware.org Subject: [glibc/release/2.38/master] elf: Do not run constructors for proxy objects X-Act-Checkin: glibc X-Git-Author: Florian Weimer X-Git-Refname: refs/heads/release/2.38/master X-Git-Oldrev: 92201f16cbcfd9eafe314ef6654be2ea7ba25675 X-Git-Newrev: 7ae211a01b085d0bde54bd13b887ce8f9d57c2b4 Message-Id: <20230911080437.475B73856DD6@sourceware.org> Date: Mon, 11 Sep 2023 08:04:37 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=7ae211a01b085d0bde54bd13b887ce8f9d57c2b4 commit 7ae211a01b085d0bde54bd13b887ce8f9d57c2b4 Author: Florian Weimer Date: Tue Aug 22 13:56:25 2023 +0200 elf: Do not run constructors for proxy objects Otherwise, the ld.so constructor runs for each audit namespace and each dlmopen namespace. (cherry picked from commit f6c8204fd7fabf0cf4162eaf10ccf23258e4d10e) Diff: --- elf/dl-init.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/elf/dl-init.c b/elf/dl-init.c index 5b0732590f..ba4d2fdc85 100644 --- a/elf/dl-init.c +++ b/elf/dl-init.c @@ -25,10 +25,14 @@ static void call_init (struct link_map *l, int argc, char **argv, char **env) { + /* Do not run constructors for proxy objects. */ + if (l != l->l_real) + return; + /* If the object has not been relocated, this is a bug. The function pointers are invalid in this case. (Executables do not - need relocation, and neither do proxy objects.) */ - assert (l->l_real->l_relocated || l->l_real->l_type == lt_executable); + need relocation.) */ + assert (l->l_relocated || l->l_type == lt_executable); if (l->l_init_called) /* This object is all done. */