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iscsi-target: Fix tfc_tpg_nacl_auth_cit configfs length overflow
This patch fixes a potential buffer overflow while processing iscsi_node_auth input for configfs attributes within NodeACL tfc_tpg_nacl_auth_cit context. Signed-off-by: Joern Engel <joern@logfs.org> Cc: stable@vger.kernel.org Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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@ -473,7 +473,7 @@ static ssize_t __iscsi_##prefix##_store_##name( \
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if (!capable(CAP_SYS_ADMIN)) \
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return -EPERM; \
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\
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snprintf(auth->name, PAGE_SIZE, "%s", page); \
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snprintf(auth->name, sizeof(auth->name), "%s", page); \
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if (!strncmp("NULL", auth->name, 4)) \
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auth->naf_flags &= ~flags; \
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else \
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