Blame SOURCES/glibc-upstream-2.34-274.patch
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commit 4b246b2bbd1d5a77035bb990d6097b7337c34bbb
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Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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Date: Thu Jun 30 09:08:31 2022 -0300
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linux: Fix mq_timereceive check for 32 bit fallback code (BZ 29304)
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On success, mq_receive() and mq_timedreceive() return the number of
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bytes in the received message, so it requires to check if the value
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is larger than 0.
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Checked on i686-linux-gnu.
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(cherry picked from commit 71d87d85bf54f6522813aec97c19bdd24997341e)
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diff --git a/sysdeps/unix/sysv/linux/mq_timedreceive.c b/sysdeps/unix/sysv/linux/mq_timedreceive.c
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index 7f3a112d7f2cbbe7..1fc98752e7d6d506 100644
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--- a/sysdeps/unix/sysv/linux/mq_timedreceive.c
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+++ b/sysdeps/unix/sysv/linux/mq_timedreceive.c
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@@ -41,7 +41,7 @@ ___mq_timedreceive_time64 (mqd_t mqdes, char *__restrict msg_ptr, size_t msg_len
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{
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int r = SYSCALL_CANCEL (mq_timedreceive_time64, mqdes, msg_ptr, msg_len,
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msg_prio, abs_timeout);
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- if (r == 0 || errno != ENOSYS)
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+ if (r >= 0 || errno != ENOSYS)
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return r;
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__set_errno (EOVERFLOW);
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return -1;
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