From ae4d44b1d501421ad9a3af95279b8f4d1546f1ce Mon Sep 17 00:00:00 2001 From: Siddhesh Poyarekar Date: Tue, 3 Sep 2024 14:58:33 -0400 Subject: [PATCH] libio: Attempt wide backup free only for non-legacy code _wide_data and _mode are not available in legacy code, so do not attempt to free the wide backup buffer in legacy code. Resolves: BZ #32137 and BZ #27821 Signed-off-by: Siddhesh Poyarekar Reviewed-by: Florian Weimer --- libio/genops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libio/genops.c b/libio/genops.c index 35d8b30710..6f20d49669 100644 --- a/libio/genops.c +++ b/libio/genops.c @@ -819,7 +819,7 @@ _IO_unbuffer_all (void) /* Free up the backup area if it was ever allocated. */ if (_IO_have_backup (fp)) _IO_free_backup_area (fp); - if (fp->_mode > 0 && _IO_have_wbackup (fp)) + if (!legacy && fp->_mode > 0 && _IO_have_wbackup (fp)) _IO_free_wbackup_area (fp); if (! (fp->_flags & _IO_UNBUFFERED)