41 lines
1.1 KiB
Diff
41 lines
1.1 KiB
Diff
From f5b9e0f2a8ada29cebeb6e51cbcbea396375ab26 Mon Sep 17 00:00:00 2001
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From: huangyu <huangyu106@huawei.com>
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Date: Wed, 7 Dec 2022 14:35:26 +0800
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Subject: [PATCH] fix Segmentation fault in nss module
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Signed-off-by: huangyu <huangyu106@huawei.com>
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---
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nss/nss_module.c | 2 +-
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nss/nsswitch.c | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/nss/nss_module.c b/nss/nss_module.c
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index b28cb94a..bb2807e9 100644
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--- a/nss/nss_module.c
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+++ b/nss/nss_module.c
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@@ -352,7 +352,7 @@ nss_load_all_libraries (enum nss_database service)
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{
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nss_action_list ni = NULL;
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- if (__nss_database_get (service, &ni))
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+ if (__nss_database_get (service, &ni) && ni != NULL)
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while (ni->module != NULL)
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{
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__nss_module_load (ni->module);
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diff --git a/nss/nsswitch.c b/nss/nsswitch.c
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index 6b7d4c78..c9d7e372 100644
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--- a/nss/nsswitch.c
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+++ b/nss/nsswitch.c
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@@ -133,7 +133,7 @@ libc_hidden_def (__nss_next2)
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void *
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__nss_lookup_function (nss_action_list ni, const char *fct_name)
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{
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- if (ni->module == NULL)
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+ if (ni == NULL || ni->module == NULL)
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return NULL;
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return __nss_module_get_function (ni->module, fct_name);
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}
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--
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2.33.0
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