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2988c7148a* Convert ```sys-libs/db``` to an optional dependency, controlled by the ```berkdb``` USE flag. * Add ```eai``` USE flag to support optional Email Address Internationalization, like ```mail-mta/postfix```. * Add ```tinycdb``` USE flag to compile with ```dev-db/tinycdb``` and prevent automagic linking with ```dev-db/cdb```. * Add ```_FFR_TLS_USE_CERTIFICATE_CHAIN_FILE```, to fix STARTTLS chain validation when the server's certificate requires intermediate certs. * Add ```mail-filter/maildrop``` as alternative to use maildir-style mailboxes. * Keep ```sys-libs/db``` and ```mail-filter/procmail``` as default dependencies, to allow seamless upgrades from previous versions. * Fix compilation with gcc-15/-std=c23 * Clean up blockers. * Fix some ebuild typos. * Fix building with musl, using patches borrowed from ```mail-filter/libmilter```. It just compiles; needs more tweaking/debugging to make it work. Closes: https://bugs.gentoo.org/830525 Closes: https://bugs.gentoo.org/831999 Closes: https://bugs.gentoo.org/914272 Closes: https://bugs.gentoo.org/921521 Closes: https://bugs.gentoo.org/944822 Closes: https://bugs.gentoo.org/945726 Signed-off-by: Cristian Othón Martínez Vera <cfuga@cfuga.mx> Signed-off-by: Sam James <sam@gentoo.org>
42 lines
1.5 KiB
Diff
42 lines
1.5 KiB
Diff
Set default pthread stack size to 256 KB
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This patch tries to fix various crashes for applications depending on libmilter
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by setting the stack size for pthreads to 256 KB. The default stack size for
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musl libc is set to 80 KB whereas glibc has it set to 8 MB. This causes problems
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when a large amount of memory is allocated on the stack.
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For example, opendkim allocates blocks of 64 KB multiple times, which causes
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libmilter (and therefore opendkim) to crash. For now, a stack size of 256 KB
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looks sufficient and makes opendkim stop crashing.
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Fixes https://bugs.alpinelinux.org/issues/6360
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--- a/libmilter/libmilter.h
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+++ b/libmilter/libmilter.h
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@@ -127,10 +127,10 @@
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# define MI_SOCK_READ(s, b, l) read(s, b, l)
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# define MI_SOCK_READ_FAIL(x) ((x) < 0)
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# define MI_SOCK_WRITE(s, b, l) write(s, b, l)
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-
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-# define thread_create(ptid,wr,arg) pthread_create(ptid, NULL, wr, arg)
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# define sthread_get_id() pthread_self()
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+extern int thread_create(pthread_t *ptid, void *(*wr) (void *), void *arg);
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+
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typedef pthread_mutex_t smutex_t;
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# define smutex_init(mp) (pthread_mutex_init(mp, NULL) == 0)
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# define smutex_destroy(mp) (pthread_mutex_destroy(mp) == 0)
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--- a/libmilter/main.c
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+++ b/libmilter/main.c
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@@ -16,6 +16,12 @@
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#include <fcntl.h>
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#include <sys/stat.h>
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+int thread_create(pthread_t *ptid, void *(*wr) (void *), void *arg) {
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+ pthread_attr_t attr;
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+ pthread_attr_init(&attr);
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+ pthread_attr_setstacksize(&attr,256*1024);
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+ return pthread_create(ptid, &attr, wr, arg);
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+}
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static smfiDesc_ptr smfi = NULL;
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