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123bd1ec66
glibc/nss
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Florian Weimer 123bd1ec66 nss: Protect against errno changes in function lookup (bug 28953) 
dlopen may clobber errno.  The nss_test_errno module uses an ELF
constructor to achieve that, but there could be internal errors
during dlopen that cause this, too.  Therefore, the NSS framework
has to guard against such errno clobbers.

__nss_module_get_function is currently the only function that calls
__nss_module_load, so it is sufficient to save and restore errno
around this call.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>
(cherry picked from commit 9bdf92c79d)
2022-03-11 10:17:55 +01:00
..
nss_compat Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_db Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_files Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-compat1.root nss: fix nss_database_lookup2's alternate handling [BZ #27416] 2021-03-09 14:34:50 -05:00
tst-nss-db-endgrent.root/etc nss_db: fix endent wrt NULL mappings [BZ #24695] [BZ #24696] 2019-07-10 14:51:18 -04:00
tst-nss-db-endpwent.root nss_db: fix endent wrt NULL mappings [BZ #24695] [BZ #24696] 2019-07-10 14:51:18 -04:00
tst-nss-files-hosts-long.root/etc Fix failing nss/tst-nss-files-hosts-long with local resolver 2021-09-07 21:41:38 +02:00
tst-nss-test3.root Add test-in-container infrastructure. 2018-08-22 21:20:37 -04:00
tst-reload1.root Fix failing nss/tst-nss-files-hosts-long. 2021-07-12 11:59:04 +02:00
tst-reload2.root nss: Re-enable NSS module loading after chroot [BZ #27389] 2021-03-02 16:14:18 -05:00
alias-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
bug17079.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
bug-erange.c
compat-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
databases.def Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
db-Makefile Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
Depend
digits_dots.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ethers-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
function.def Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getent.c Update copyright dates not handled by scripts/update-copyrights. 2022-01-01 11:42:26 -08:00
getnssent_r.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getnssent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getXXbyYY_r.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getXXbyYY.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getXXent_r.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
getXXent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
grp-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
hosts-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
key-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
makedb.c Update copyright dates not handled by scripts/update-copyrights. 2022-01-01 11:42:26 -08:00
Makefile nss: Protect against errno changes in function lookup (bug 28953) 2022-03-11 10:17:55 +01:00
netgrp-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
network-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_action_parse.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_action.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_action.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_database.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_database.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_fgetent_r.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_files_data.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_files_fopen.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_files_functions.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_hash.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_module.c nss: Protect against errno changes in function lookup (bug 28953) 2022-03-11 10:17:55 +01:00
nss_module.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_parse_line_result.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_readline.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_test1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_test2.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_test_errno.c nss: Protect against errno changes in function lookup (bug 28953) 2022-03-11 10:17:55 +01:00
nss_test.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nss_test.ver Extend NSS test suite 2017-07-17 15:52:44 -04:00
nss.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nsswitch.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nsswitch.conf Remove --enable-obsolete-nsl configure flag 2020-07-08 17:25:57 +02:00
nsswitch.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
proto-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
pwd-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
rewrite_field.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
rpc-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
service-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
sgrp-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
spwd-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
test-digits-dots.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
test-netdb.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-cancel-getpwuid_r.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-field.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-compat1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-db-endgrent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-db-endpwent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-alias-leak.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-alias-truncated.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-hosts-erange.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-hosts-getent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-hosts-long.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-files-hosts-multi.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-getpwent.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-static.c Update nss tests to new skeleton 2017-08-17 18:00:51 -04:00
tst-nss-test1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-test2.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-test3.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-test4.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-test5.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-nss-test_errno.c nss: Protect against errno changes in function lookup (bug 28953) 2022-03-11 10:17:55 +01:00
tst-reload1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-reload2.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
valid_field.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
valid_list_field.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
Versions nss_files: Move into libc 2021-07-07 18:33:52 +02:00
XXX-lookup.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00