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Fix out-of-bounds access in IBM-1390 converter (bug 23448)

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The IBM-1390 converter can consume/produce two UCS4 characters in each
loop.
This commit is contained in:
Andreas Schwab 2018-07-24 14:08:34 +02:00
parent 3650e1d928
commit 21526a507d
2 changed files with 8 additions and 0 deletions
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ChangeLog
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@ -1,3 +1,9 @@
2018-07-24 Andreas Schwab <schwab@suse.de>
[BZ #23448]
* iconvdata/ibm1364.c (MAX_NEEDED_OUTPUT) [FROM_LOOP]: Define.
(MAX_NEEDED_INPUT) [TO_LOOP]: Define.
2018-07-24 H.J. Lu <hongjiu.lu@intel.com>
* sysdeps/unix/sysv/linux/i386/vfork.S (SYSCALL_ERROR_HANDLER):

2
iconvdata/ibm1364.c
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@ -150,6 +150,7 @@ enum
#define MIN_NEEDED_INPUT MIN_NEEDED_FROM
#define MAX_NEEDED_INPUT MAX_NEEDED_FROM
#define MIN_NEEDED_OUTPUT MIN_NEEDED_TO
#define MAX_NEEDED_OUTPUT MAX_NEEDED_TO
#define LOOPFCT FROM_LOOP
#define BODY \
{ \
@ -296,6 +297,7 @@ enum
/* Next, define the other direction. */
#define MIN_NEEDED_INPUT MIN_NEEDED_TO
#define MAX_NEEDED_INPUT MAX_NEEDED_TO
#define MIN_NEEDED_OUTPUT MIN_NEEDED_FROM
#define MAX_NEEDED_OUTPUT MAX_NEEDED_FROM
#define LOOPFCT TO_LOOP