From 90c88731bd036e5698b281fbc0a5f3aa4c9983ac Mon Sep 17 00:00:00 2001 From: V3n3RiX Date: Mon, 29 Jun 2020 11:38:31 +0100 Subject: gentoo resync : 29.06.2020 --- .../files/libmilter-musl-disable-cdefs.patch | 11 ++++++ .../files/libmilter-musl-stack-size.patch | 42 ++++++++++++++++++++++ 2 files changed, 53 insertions(+) create mode 100644 mail-filter/libmilter/files/libmilter-musl-disable-cdefs.patch create mode 100644 mail-filter/libmilter/files/libmilter-musl-stack-size.patch (limited to 'mail-filter/libmilter/files') diff --git a/mail-filter/libmilter/files/libmilter-musl-disable-cdefs.patch b/mail-filter/libmilter/files/libmilter-musl-disable-cdefs.patch new file mode 100644 index 000000000000..6dc4ac63105e --- /dev/null +++ b/mail-filter/libmilter/files/libmilter-musl-disable-cdefs.patch @@ -0,0 +1,11 @@ +--- a/include/sm/os/sm_os_linux.h 2020-06-09 11:57:46.789786561 +0200 ++++ b/include/sm/os/sm_os_linux.h 2020-06-09 11:57:49.174781812 +0200 +@@ -33,7 +33,7 @@ + # endif /* LINUX_VERSION_CODE */ + #endif /* SM_CONF_SHM */ + +-#define SM_CONF_SYS_CDEFS_H 1 ++#define SM_CONF_SYS_CDEFS_H 0 + #ifndef SM_CONF_SEM + # define SM_CONF_SEM 2 + #endif /* SM_CONF_SEM */ diff --git a/mail-filter/libmilter/files/libmilter-musl-stack-size.patch b/mail-filter/libmilter/files/libmilter-musl-stack-size.patch new file mode 100644 index 000000000000..9993adfece34 --- /dev/null +++ b/mail-filter/libmilter/files/libmilter-musl-stack-size.patch @@ -0,0 +1,42 @@ +Set default pthread stack size to 256 KB + +This patch tries to fix various crashes for applications depending on libmilter +by setting the stack size for pthreads to 256 KB. The default stack size for +musl libc is set to 80 KB whereas glibc has it set to 8 MB. This causes problems +when a large amount of memory is allocated on the stack. + +For example, opendkim allocates blocks of 64 KB multiple times, which causes +libmilter (and therefore opendkim) to crash. For now, a stack size of 256 KB +looks sufficient and makes opendkim stop crashing. + +Fixes https://bugs.alpinelinux.org/issues/6360 + +--- a/libmilter/libmilter.h ++++ b/libmilter/libmilter.h +@@ -127,10 +127,10 @@ + # define MI_SOCK_READ(s, b, l) read(s, b, l) + # define MI_SOCK_READ_FAIL(x) ((x) < 0) + # define MI_SOCK_WRITE(s, b, l) write(s, b, l) +- +-# define thread_create(ptid,wr,arg) pthread_create(ptid, NULL, wr, arg) + # define sthread_get_id() pthread_self() + ++extern int thread_create(pthread_t *ptid, void *(*wr) (void *), void *arg); ++ + typedef pthread_mutex_t smutex_t; + # define smutex_init(mp) (pthread_mutex_init(mp, NULL) == 0) + # define smutex_destroy(mp) (pthread_mutex_destroy(mp) == 0) +--- a/libmilter/main.c ++++ b/libmilter/main.c +@@ -16,6 +16,12 @@ + #include + #include + ++int thread_create(pthread_t *ptid, void *(*wr) (void *), void *arg) { ++ pthread_attr_t attr; ++ pthread_attr_init(&attr); ++ pthread_attr_setstacksize(&attr,256*1024); ++ return pthread_create(ptid, &attr, wr, arg); ++} + + static smfiDesc_ptr smfi = NULL; -- cgit v1.2.3