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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sources.redhat.com Subject: [Bug dynamic-link/14370] ld.so crashes on mismatched TLS/non-TLS symbols Date: Tue, 04 Sep 2012 19:09:00 -0000 [thread overview] Message-ID: <bug-14370-131-cPUzKJyPtI@http.sourceware.org/bugzilla/> (raw) In-Reply-To: <bug-14370-131@http.sourceware.org/bugzilla/> http://sourceware.org/bugzilla/show_bug.cgi?id=14370 H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED CC| |hjl.tools at gmail dot com Resolution|INVALID | Summary|SIGFPE in 'ldd -r' |ld.so crashes on mismatched | |TLS/non-TLS symbols --- Comment #15 from H.J. Lu <hjl.tools at gmail dot com> 2012-09-04 19:09:38 UTC --- I don't think ld.so should crash on bad DSO built with the old/bad glibc/binutils: [hjl@gnu-6 pr14370]$ cat x.c #if 0 #include <errno.h> #else int errno = 3; #endif int bar (void) { errno = 4; return errno; } [hjl@gnu-6 pr14370]$ cat main.c #include <stdio.h> #include <dlfcn.h> int main () { void *handle; int (*func)(); handle = dlopen ("./libfoo.so", RTLD_LAZY); if (!handle) { fprintf (stderr, "%s\n", dlerror()); return 1; } func = dlsym (handle, "bar"); if (func == NULL) { fprintf (stderr, "%s\n", dlerror()); return 1; } printf ("errno: %d\n", func ()); dlclose (handle); return 0; } [hjl@gnu-6 pr14370]$ make GLIBC-DIR= run.dynamic gcc -m32 -c -o main.o main.c gcc -m32 -o dynamic main.o -ldl gcc -m32 -c -o x.o x.c ./ld -m elf_i386 -shared -o libfoo.so x.o -lm ./dynamic make: *** [run.dynamic] Segmentation fault [hjl@gnu-6 pr14370]$ -- Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
next prev parent reply other threads:[~2012-09-04 19:09 UTC|newest] Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top 2012-07-18 10:05 [Bug dynamic-link/14370] New: SIGFPE in 'ldd -r' pluto at agmk dot net 2012-07-18 10:11 ` [Bug dynamic-link/14370] " aj at suse dot de 2012-07-18 10:49 ` pluto at agmk dot net 2012-07-18 10:54 ` jakub at redhat dot com 2012-07-18 11:00 ` pluto at agmk dot net 2012-07-18 12:37 ` pluto at agmk dot net 2012-07-24 2:04 ` carlos_odonell at mentor dot com 2012-07-24 6:14 ` pluto at agmk dot net 2012-09-02 20:00 ` hjl.tools at gmail dot com 2012-09-02 22:57 ` hjl.tools at gmail dot com 2012-09-03 2:54 ` bugdal at aerifal dot cx 2012-09-03 13:39 ` carlos_odonell at mentor dot com 2012-09-03 15:29 ` pluto at agmk dot net 2012-09-03 18:59 ` hjl.tools at gmail dot com 2012-09-03 20:07 ` aj at suse dot de 2012-09-04 19:09 ` hjl.tools at gmail dot com [this message] 2012-09-04 19:41 ` [Bug dynamic-link/14370] ld.so crashes on mismatched TLS/non-TLS symbols carlos_odonell at mentor dot com 2012-09-04 21:32 ` hjl.tools at gmail dot com 2012-09-04 22:03 ` carlos_odonell at mentor dot com 2012-09-04 22:15 ` bugdal at aerifal dot cx 2012-09-04 22:22 ` hjl.tools at gmail dot com 2012-09-04 23:26 ` bugdal at aerifal dot cx 2012-09-05 15:24 ` ppluzhnikov at google dot com 2012-09-05 15:30 ` hjl.tools at gmail dot com 2012-12-04 0:00 ` carlos at systemhalted dot org 2013-10-02 22:44 ` neleai at seznam dot cz 2014-06-17 18:59 ` fweimer at redhat dot com 2023-07-30 16:53 ` sam at gentoo dot org
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