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[Bug libc/3333] New: localedef crash under PaX kernels
- From: "robert at linuxfromscratch dot org" <sourceware-bugzilla at sourceware dot org>
- To: glibc-bugs at sources dot redhat dot com
- Date: 11 Oct 2006 08:12:19 -0000
- Subject: [Bug libc/3333] New: localedef crash under PaX kernels
- Reply-to: sourceware-bugzilla at sourceware dot org
localdef crashes when run on kernels with PaX, and some non-x86 architectures.
This patch fixes the issue:
diff -Naur glibc-2.5.orig/locale/programs/3level.h
glibc-2.5/locale/programs/3level.h
--- glibc-2.5.orig/locale/programs/3level.h 2005-12-07 05:47:27.000000000
+0000
+++ glibc-2.5/locale/programs/3level.h 2006-10-11 08:05:00.000000000 +0000
@@ -202,6 +202,42 @@
}
}
}
+
+/* GCC ATM seems to do a poor job with pointers to nested functions passed
+ to inlined functions. Help it a little bit with this hack. */
+#define wchead_table_iterate(tp, fn) \
+do \
+ { \
+ struct wchead_table *t = (tp); \
+ uint32_t index1; \
+ for (index1 = 0; index1 < t->level1_size; index1++)
\
+ {
\
+ uint32_t lookup1 = t->level1[index1]; \
+ if (lookup1 != ((uint32_t) ~0)) \
+ { \
+ uint32_t lookup1_shifted = lookup1 << t->q; \
+ uint32_t index2; \
+ for (index2 = 0; index2 < (1 << t->q); index2++) \
+ { \
+ uint32_t lookup2 = t->level2[index2 + lookup1_shifted]; \
+ if (lookup2 != ((uint32_t) ~0)) \
+ { \
+ uint32_t lookup2_shifted = lookup2 << t->p; \
+ uint32_t index3; \
+ for (index3 = 0; index3 < (1 << t->p); index3++) \
+ { \
+ struct element_t *lookup3 \
+ = t->level3[index3 + lookup2_shifted]; \
+ if (lookup3 != NULL) \
+ fn ((((index1 << t->q) + index2) << t->p) + index3, \
+ lookup3); \
+ } \
+ } \
+ } \
+ } \
+ }
\
+ } while (0)
+
#endif
#ifndef NO_FINALIZE
--
Summary: localedef crash under PaX kernels
Product: glibc
Version: unspecified
Status: NEW
Severity: enhancement
Priority: P2
Component: libc
AssignedTo: drepper at redhat dot com
ReportedBy: robert at linuxfromscratch dot org
CC: glibc-bugs at sources dot redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=3333
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