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gnu: samba: Fix fcntl hint detection in configure script.

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The configure script generates a C program to detect support for
lifetime hints on files.  But this program could crash, potentially
leaving a stale unreadable file behind which could cause the
patch-generated-file-shebang phase to fail.

Reported upstream <https://bugzilla.samba.org/show_bug.cgi?id=14503>.

* gnu/packages/patches/patches/samba-fix-fcntl-hint-detection.patch: New
file.
* gnu/packages/samba.scm (samba)[origin]: Add patch.
* gnu/local.mk (dist_patch_DATA): Register patch.
This commit is contained in:
Pierre Langlois 2020-09-19 23:57:41 +01:00
parent a2c0dbb84a
commit d3456739c5
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GPG key ID: A8FC9E447F4F7D54
3 changed files with 58 additions and 0 deletions
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55
gnu/packages/patches/samba-fix-fcntl-hint-detection.patch Normal file
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@ -0,0 +1,55 @@
From 454ccd986b61799908a6898a55d0480911f15306 Mon Sep 17 00:00:00 2001
From: Ralph Boehme <slow@samba.org>
Date: Mon, 21 Sep 2020 07:48:43 +0200
Subject: [PATCH] s3: fix fcntl waf configure check
RN: Fix fcntl waf configure check
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14503
Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Autobuild-User(master): Volker Lendecke <vl@samba.org>
Autobuild-Date(master): Mon Sep 21 07:26:54 UTC 2020 on sn-devel-184
---
source3/wscript | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/source3/wscript b/source3/wscript
index 840ed430c0f..d3ef346eecd 100644
--- a/source3/wscript
+++ b/source3/wscript
@@ -1244,7 +1244,7 @@ err:
int main(void)
{
- uint64_t *hint, get_hint;
+ uint64_t hint, get_hint;
int fd;
fd = open(DATA, O_RDONLY | O_CREAT | O_EXCL);
@@ -1252,8 +1252,8 @@ int main(void)
goto err;
}
- *hint = RWH_WRITE_LIFE_SHORT;
- int ret = fcntl(fd, F_SET_RW_HINT, hint);
+ hint = RWH_WRITE_LIFE_SHORT;
+ int ret = fcntl(fd, F_SET_RW_HINT, &hint);
if (ret == -1) {
goto err;
}
@@ -1267,8 +1267,8 @@ int main(void)
goto err;
}
- *hint = RWH_WRITE_LIFE_EXTREME;
- ret = fcntl(fd, F_SET_FILE_RW_HINT, hint);
+ hint = RWH_WRITE_LIFE_EXTREME;
+ ret = fcntl(fd, F_SET_FILE_RW_HINT, &hint);
if (ret == -1) {
goto err;
}
--
2.28.0