From b632bdd3f7c0ba0c79f23f5e4404eebb87ebdaa8 Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Thu, 16 Jul 2015 08:53:28 +0530 Subject: Set NODELETE flag when opening already open objects with RTLD_NODELETE The DF_1_NODELETE flag is set too late when opening a DSO, due to which, if a DSO is already open, subsequently opening it with RTLD_NODELETE fails to set the DF_1_NODELETE flag. This patch fixes this by setting the flag immediately after bumping the opencount. Verified on x86_64. [BZ #18676] * elf/tst-nodelete-opened.c: New test case. * elf/tst-nodelete-opened-lib.c: New test case module. * elf/Makefile (tests, modules-names): Use them. * elf/dl-open.c (dl_open_worker): Set DF_1_NODELETE flag early. --- elf/Makefile | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'elf/Makefile') diff --git a/elf/Makefile b/elf/Makefile index 90d50588e1..4ceeaf89be 100644 --- a/elf/Makefile +++ b/elf/Makefile @@ -148,7 +148,7 @@ tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \ tst-unique1 tst-unique2 $(if $(CXX),tst-unique3 tst-unique4 \ tst-nodelete) \ tst-initorder tst-initorder2 tst-relsort1 tst-null-argv \ - tst-ptrguard1 tst-tlsalign tst-tlsalign-extern + tst-ptrguard1 tst-tlsalign tst-tlsalign-extern tst-nodelete-opened # reldep9 ifeq ($(build-hardcoded-path-in-tests),yes) tests += tst-dlopen-aout @@ -218,7 +218,7 @@ modules-names = testobj1 testobj2 testobj3 testobj4 testobj5 testobj6 \ tst-initorder2d \ tst-relsort1mod1 tst-relsort1mod2 tst-array2dep \ tst-array5dep tst-null-argv-lib \ - tst-tlsalign-lib + tst-tlsalign-lib tst-nodelete-opened-lib ifeq (yes,$(have-protected-data)) modules-names += tst-protected1moda tst-protected1modb tests += tst-protected1a tst-protected1b @@ -525,6 +525,8 @@ $(objpfx)tst-initordera4.so: $(objpfx)tst-initordera3.so $(objpfx)tst-initorder: $(objpfx)tst-initordera4.so $(objpfx)tst-initordera1.so $(objpfx)tst-initorderb2.so $(objpfx)tst-null-argv: $(objpfx)tst-null-argv-lib.so $(objpfx)tst-tlsalign: $(objpfx)tst-tlsalign-lib.so +$(objpfx)tst-nodelete-opened.out: $(objpfx)tst-nodelete-opened-lib.so +$(objpfx)tst-nodelete-opened: $(libdl) $(objpfx)tst-tlsalign-extern: $(objpfx)tst-tlsalign-vars.o $(objpfx)tst-tlsalign-extern-static: $(objpfx)tst-tlsalign-vars.o -- cgit v1.2.3-70-g09d2