This testcase crashed in about 1/200 of runs on s390x system with 2 CPUs:
Core was generated by `./7-1.run-test'.
Program terminated with signal 11, Segmentation fault.
#0 _dl_fini () at dl-fini.c:228
228 if (l->l_init_called)
(gdb) bt
#0 _dl_fini () at dl-fini.c:228
#1 0x000003fffd345c62 in __run_exit_handlers (status=<optimized out>,
listp=0x3fffd4b4a78 <__exit_funcs>,
run_list_atexit=run_list_atexit@entry=true) at exit.c:77
#2 0x000003fffd345ca4 in __GI_exit (status=<optimized out>) at exit.c:99
#3 0x000003fffd3294e6 in __libc_start_main (main=0x80000b18 <main>,
argc=<optimized out>, ubp_av=0x3ffff970108,
init=<optimized out>, fini=0x80000d4c <__libc_csu_fini>,
rtld_fini=0x3fffd50821c <_dl_fini>, stack_end=0x3ffff970050)
at libc-start.c:257
#4 0x0000000080000a26 in _start ()
(gdb) x/1x l
0x9fd4f2918: Cannot access memory at address 0x9fd4f2918
The crash was presumably caused by race, where variable defined in main()
got out of scope before operation started by aio_read() completed.
Patched version succesfully made 100000 iterations.
Signed-off-by: Jan Stancek <[email protected]>
---
.../conformance/interfaces/aio_read/7-1.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git
a/testcases/open_posix_testsuite/conformance/interfaces/aio_read/7-1.c
b/testcases/open_posix_testsuite/conformance/interfaces/aio_read/7-1.c
index 2d13565..1227db4 100644
--- a/testcases/open_posix_testsuite/conformance/interfaces/aio_read/7-1.c
+++ b/testcases/open_posix_testsuite/conformance/interfaces/aio_read/7-1.c
@@ -70,6 +70,9 @@ int main()
exit(PTS_FAIL);
}
+ while (aio_error(&aiocb) == EINPROGRESS)
+ ;
+
close(fd);
printf("Test PASSED\n");
return PTS_PASS;
--
1.7.1
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