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erlang
0478-SELinux-is-another-cause-of-MSG_CTRUNC.patch
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File 0478-SELinux-is-another-cause-of-MSG_CTRUNC.patch of Package erlang
From f29c1d4bc5ac7cb578206a1193867c9037741bd3 Mon Sep 17 00:00:00 2001 From: Alexander Clouter <alex@digriz.org.uk> Date: Thu, 27 Sep 2018 15:17:29 +0100 Subject: [PATCH 1/2] SELinux is another cause of MSG_CTRUNC https://github.com/termux/termux-packages/issues/2882 --- erts/emulator/sys/unix/sys_uds.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/erts/emulator/sys/unix/sys_uds.c b/erts/emulator/sys/unix/sys_uds.c index 39a4866065..c9f73622ba 100644 --- a/erts/emulator/sys/unix/sys_uds.c +++ b/erts/emulator/sys/unix/sys_uds.c @@ -88,8 +88,9 @@ sys_uds_readv(int fd, struct iovec *iov, size_t iov_len, if((msg.msg_flags & MSG_CTRUNC) == MSG_CTRUNC) { /* We assume that we have given enough space for any header - that are sent to us. So the only remaining reason to get - this flag set is if the caller has run out of file descriptors. + that are sent to us. So the only remaining reasons to get + this flag set is if the caller has run out of file descriptors + or an SELinux policy prunes the response (eg. O_APPEND on STDERR). */ errno = EMFILE; return -1; -- 2.16.4
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