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| author | Andreas Schwab <schwab@suse.de> | 2018-09-27 11:12:13 +0200 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2018-09-27 12:31:03 +0200 |
| commit | f841c97e515a1673485a2b12b3c280073d737890 (patch) | |
| tree | 67decd1b815cb83bcee1fd064fe298a8e9b99c77 | |
| parent | 6ca8284e7a522ce3cdc9fdd2e73795c753890634 (diff) | |
| download | glibc-f841c97e515a1673485a2b12b3c280073d737890.zip glibc-f841c97e515a1673485a2b12b3c280073d737890.tar.gz glibc-f841c97e515a1673485a2b12b3c280073d737890.tar.bz2 | |
Fix stack overflow in tst-setcontext9 (bug 23717)
The function f1a, executed on a stack of size 32k, allocates an object of
size 32k on the stack. Make the stack variables static to reduce
excessive stack usage.
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | stdlib/tst-setcontext9.c | 4 |
2 files changed, 8 insertions, 2 deletions
@@ -1,3 +1,9 @@ +2018-09-27 Andreas Schwab <schwab@suse.de> + + [BZ #23717] + * stdlib/tst-setcontext9.c (f1a): Make st2 static. + (do_test): Make st1 static. + 2018-09-26 Andreas Schwab <schwab@suse.de> [BZ #23707] diff --git a/stdlib/tst-setcontext9.c b/stdlib/tst-setcontext9.c index db83557..0099282 100644 --- a/stdlib/tst-setcontext9.c +++ b/stdlib/tst-setcontext9.c @@ -58,7 +58,7 @@ f1b (void) static void f1a (void) { - char st2[32768]; + static char st2[32768]; puts ("start f1a"); if (getcontext (&ctx[2]) != 0) { @@ -93,7 +93,7 @@ f1a (void) static int do_test (void) { - char st1[32768]; + static char st1[32768]; puts ("making contexts"); if (getcontext (&ctx[0]) != 0) { |