From: Lukasz Majewski Date: Thu, 12 Nov 2020 11:24:04 +0000 (+0100) Subject: nanosleep: Pass NULL when rem == NULL on ports with __TIMESIZE != 64 X-Git-Tag: glibc-2.33~290 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7ed2b6921feb51d3fecdd0b72e8ab7a7f37ba4ae;p=thirdparty%2Fglibc.git nanosleep: Pass NULL when rem == NULL on ports with __TIMESIZE != 64 On ports with __TIMESIZE != 64 the remaining time argument always receives pointer to struct __timespec64 instance. This is the different behavior when compared to 64 bit versions of clock_nanosleep and nanosleep functions, which receive NULL. To avoid any potential issues, we also pass NULL when *rem pointer is NULL. Reported-by: Andreas Schwab Reviewed-by: Alistair Francis --- diff --git a/sysdeps/unix/sysv/linux/clock_nanosleep.c b/sysdeps/unix/sysv/linux/clock_nanosleep.c index 6ad3321435a..82cd11a564c 100644 --- a/sysdeps/unix/sysv/linux/clock_nanosleep.c +++ b/sysdeps/unix/sysv/linux/clock_nanosleep.c @@ -78,7 +78,8 @@ __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, struct __timespec64 treq64, trem64; treq64 = valid_timespec_to_timespec64 (*req); - r = __clock_nanosleep_time64 (clock_id, flags, &treq64, &trem64); + r = __clock_nanosleep_time64 (clock_id, flags, &treq64, + rem != NULL ? &trem64 : NULL); if (r == EINTR && rem != NULL && (flags & TIMER_ABSTIME) == 0) *rem = valid_timespec64_to_timespec (trem64); diff --git a/sysdeps/unix/sysv/linux/nanosleep.c b/sysdeps/unix/sysv/linux/nanosleep.c index 8f4ee0f7440..e58815c4d0a 100644 --- a/sysdeps/unix/sysv/linux/nanosleep.c +++ b/sysdeps/unix/sysv/linux/nanosleep.c @@ -39,7 +39,7 @@ __nanosleep (const struct timespec *req, struct timespec *rem) struct __timespec64 treq64, trem64; treq64 = valid_timespec_to_timespec64 (*req); - int ret = __nanosleep64 (&treq64, &trem64); + int ret = __nanosleep64 (&treq64, rem != NULL ? &trem64 : NULL); if (ret != 0 && errno == EINTR && rem != NULL) *rem = valid_timespec64_to_timespec (trem64);