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From: "hjl.tools at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/27609] In elf/dl-open.c (_dl_open) we might use __LM_ID_CALLER to index GL(dl_ns)[]
Date: Tue, 17 Aug 2021 18:31:44 +0000 [thread overview]
Message-ID: <bug-27609-131-T6SjHDD2zE@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-27609-131@http.sourceware.org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=27609
H.J. Lu <hjl.tools at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |hjl.tools at gmail dot com
--- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> ---
It does get here in nptl/tst-setuid1,c:
(gdb) bt
#0 _dl_open (file=<optimized out>, mode=-2147483646,
caller_dlopen=<optimized out>, nsid=-2, argc=2, argv=<optimized out>,
env=0xffffce70) at dl-open.c:851
#1 0xf7f194f2 in do_dlopen (ptr=ptr@entry=0xffffc990) at dl-libc.c:96
#2 0xf7f19ede in __GI__dl_catch_exception (
exception=exception@entry=0xffffc934, operate=<optimized out>,
args=<optimized out>)
at /export/gnu/import/git/gitlab/x86-glibc/elf/dl-error-skeleton.c:208
#3 0xf7f19f83 in __GI__dl_catch_error (objname=<optimized out>,
errstring=<optimized out>, mallocedp=<optimized out>,
operate=<optimized out>, args=<optimized out>)
at /export/gnu/import/git/gitlab/x86-glibc/elf/dl-error-skeleton.c:227
#4 0xf7f1946d in dlerror_run (operate=operate@entry=0xf7f194b0 <do_dlopen>,
args=args@entry=0xffffc990) at dl-libc.c:46
#5 0xf7f195f4 in __libc_dlopen_mode (name=<optimized out>,
mode=mode@entry=-2147483646) at dl-libc.c:163
#6 0xf7efefc9 in module_load (module=<optimized out>) at nss_module.c:191
#7 0xf7eff545 in __nss_module_load (module=<optimized out>)
at nss_module.c:310
#8 __nss_module_get_function (module=<optimized out>,
name=name@entry=0xf7f7d737 "getpwnam_r") at nss_module.c:333
#9 0xf7efd538 in __GI___nss_lookup_function (fct_name=<optimized out>,
ni=<optimized out>) at nsswitch.c:138
--Type <RET> for more, q to quit, c to continue without paging--
#10 __GI___nss_lookup (ni=<optimized out>, fct_name=<optimized out>,
fct2_name=<optimized out>, fctp=<optimized out>) at nsswitch.c:68
#11 0xf7efe723 in __GI___nss_passwd_lookup2 (ni=ni@entry=0xffffcbe8,
fct_name=fct_name@entry=0xf7f7d737 "getpwnam_r",
fct2_name=fct2_name@entry=0x0, fctp=fctp@entry=0xffffcbec)
at /export/gnu/import/git/gitlab/x86-glibc/nss/XXX-lookup.c:58
#12 0xf7ea2927 in __getpwnam_r (name=name@entry=0x4060fa "nobody",
resbuf=resbuf@entry=0xf7fbd6d0 <resbuf>, buffer=<optimized out>,
buflen=buflen@entry=1024, result=result@entry=0xffffcc3c)
at ../nss/getXXbyYY_r.c:265
#13 0xf7ea2480 in getpwnam (name=name@entry=0x4060fa "nobody")
at ../nss/getXXbyYY.c:135
#14 0x00403e6b in do_test () at tst-setuid1.c:1029
#15 legacy_test_function (argc=<optimized out>, argv=<optimized out>)
at ../test-skeleton.c:56
#16 0x004049e1 in support_test_main (argc=1, argv=0xffffce68,
config=config@entry=0xffffcd20) at support_test_main.c:403
#17 0x00402774 in main (argc=<optimized out>, argv=<optimized out>)
at ../support/test-driver.c:168
(gdb)
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next prev parent reply other threads:[~2021-08-17 18:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-18 18:55 [Bug dynamic-link/27609] New: " carlos at redhat dot com
2021-08-17 18:31 ` hjl.tools at gmail dot com [this message]
2021-09-30 17:19 ` [Bug dynamic-link/27609] [2.32/2.33/2.34 Regression] " hjl.tools at gmail dot com
2021-09-30 19:41 ` cvs-commit at gcc dot gnu.org
2021-10-13 12:29 ` cvs-commit at gcc dot gnu.org
2021-10-13 12:57 ` cvs-commit at gcc dot gnu.org
2021-10-13 14:10 ` cvs-commit at gcc dot gnu.org
2021-10-13 14:11 ` hjl.tools at gmail dot com
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