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authorJakub Jelinek <jakub@redhat.com>2009-05-15 21:17:08 -0700
committerUlrich Drepper <drepper@redhat.com>2009-05-15 21:17:08 -0700
commitcfe1fc1013d0e7e4863c974fa0e78891cc0a2ed2 (patch)
tree77134fa880e4dd6db41a701034607e67a4dd9be1 /ChangeLog
parent3b1b533bc3239ef6df1e40e0088e7270ac060be6 (diff)
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Robustify libc-side nscd database reader.
The nscd database mapped in processes can change at any time.  We
have to be more vigilant when it comes to using that memory.  Test
the data entries are valid in their entire size, don't read data
again from memory once we verified it, and make sure the trailing
pointer is not going off the deep end.
Diffstat (limited to 'ChangeLog')
-rw-r--r--ChangeLog27
1 files changed, 19 insertions, 8 deletions
diff --git a/ChangeLog b/ChangeLog
index 26ebd219a1..aa415cbac2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,11 +1,18 @@
-2009-05-12  Jakub Jelinek  <jakub@redhat.com>
-
-	* include/atomic.h: Formatting.
-	(catomic_compare_and_exchange_val_acq): Don't define if already
-	defined by bits/atomic.h.
-
 2009-05-14  Jakub Jelinek  <jakub@redhat.com>
 
+	* nscd/nscd_helper.c: Include stddef.h.
+	(__nscd_cache_search): Add datalen argument.  Use atomic_forced_read
+	in a couple of places.  Return NULL if trail is not less than
+	datasize, don't consider dataheads with length smaller than
+	offsetof (struct datahead, data) + datalen.
+	* nscd/nscd_client.h (__nscd_cache_search): Adjust prototype.
+	* nscd/nscd_gethst_r.c (nscd_gethst_r): Adjust callers.
+	* nscd/nscd_getpw_r.c (nscd_getpw_r): Likewise.
+	* nscd/nscd_getgr_r.c (nscd_getgr_r): Likewise.
+	* nscd/nscd_getai.c (__nscd_getai): Likewise.
+	* nscd/nscd_initgroups.c (__nscd_getgrouplist): Likewise.
+	* nscd/nscd_getserv_r.c (nscd_getserv_r): Likewise.
+
 	* sysdeps/unix/sysv/linux/i386/fallocate64.c (__fallocate64_l64):
 	Rename ...
 	(fallocate64): ... to this.
@@ -22,13 +29,17 @@
 	* sysdeps/unix/sysv/linux/sparc/sparc32/Versions (libc): Likewise.
 	* sysdeps/unix/sysv/linux/sh/Versions (libc): Likewise.
 
-2009-05-14  Jakub Jelinek  <jakub@redhat.com>
-
 	* nscd/selinux.c (nscd_avc_destroy): Removed.
 	* nscd/selinux.h (nscd_avc_destroy): Likewise.
 	* nscd/nscd.c (termination_handler): Don't call
 	nscd_avc_destroy.
 
+2009-05-12  Jakub Jelinek  <jakub@redhat.com>
+
+	* include/atomic.h: Formatting.
+	(catomic_compare_and_exchange_val_acq): Don't define if already
+	defined by bits/atomic.h.
+
 2009-05-15  Ulrich Drepper  <drepper@redhat.com>
 
 	* math/libm-test.inc (expm1_test): Add test for range error.