Toolchain/binutils-gdb
1
0
Fork 0
forked from Imagelibrary/binutils-gdb
Code Pull Requests Activity

Fix seg-fault in readelf when decoding corrupt IA64 unwind information.

Browse Source 
PR binutils/18420
	* ia64-unwind.c (unw_decode): Add end parameter.  Pass parameter
	on to decode functions.
	(unw_devode_p2_p5): Pass end paraemter to UNW_DEC_SPILL_MASK.
	(UNW_DEC_SPILL_MASK): Add end parameter.  Check that unw_rlen does
	not take us beyond the end of the buffer.
	* ia64-unwind.h (unw_decode): Update prototype.
	* readelf.c (dump_ia64_unwind): Pass end pointer to unw_decode.
This commit is contained in:
Nick Clifton
2015-05-18 15:58:46 +01:00
parent 35d7c4317b
commit b4477bc818
4 changed files with 52 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
binutils/unwind-ia64.h
View File

@@ -29,4 +29,4 @@
#define UNW_FLAG_UHANDLER(x) ((x) & 0x0000000200000000LL)
#define UNW_LENGTH(x) ((x) & 0x00000000ffffffffLL)
extern const unsigned char *unw_decode (const unsigned char *, int, void *);
extern const unsigned char *unw_decode (const unsigned char *, int, void *, const unsigned char *);