Thanks. I believe I undestand now: the buffer reserved for the cmsg
is itself unaligned because it's a char array. It should be an array
of size_t, which will have the required alignment.
When you have time, can you please try out this patch? The old patch
shouldn't be needed. If it still breaks, then please send a new
backtrace with debug information, since it may be a different problem.
Thanks,
Miklos
Index: lib/mount.c
===================================================================
RCS file: /cvsroot/fuse/fuse/lib/mount.c,v
retrieving revision 1.33
diff -u -r1.33 mount.c
--- lib/mount.c 4 Dec 2006 12:45:19 -0000 1.33
+++ lib/mount.c 30 Dec 2006 13:52:43 -0000
@@ -151,7 +151,7 @@
struct iovec iov;
char buf[1];
int rv;
- char ccmsg[CMSG_SPACE(sizeof(int))];
+ size_t ccmsg[CMSG_SPACE(sizeof(int))/sizeof(size_t)];
struct cmsghdr *cmsg;
iov.iov_base = buf;
--
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