From b7868e74103541f3271a170fe3bc2b19a00cc8cf Mon Sep 17 00:00:00 2001 From: Jon Turney Date: Tue, 9 Jan 2024 14:12:31 +0000 Subject: Cygwin: Disable writing core dumps by default. Change the default core limit from unlimited to 0 (disabled) --- winsup/cygwin/mm/cygheap.cc | 2 +- winsup/cygwin/release/3.5.0 | 3 +++ winsup/doc/new-features.xml | 6 ++++++ 3 files changed, 10 insertions(+), 1 deletion(-) (limited to 'winsup') diff --git a/winsup/cygwin/mm/cygheap.cc b/winsup/cygwin/mm/cygheap.cc index a20ee5972..3dc0c011f 100644 --- a/winsup/cygwin/mm/cygheap.cc +++ b/winsup/cygwin/mm/cygheap.cc @@ -294,7 +294,7 @@ cygheap_init () cygheap->locale.mbtowc = __utf8_mbtowc; /* Set umask to a sane default. */ cygheap->umask = 022; - cygheap->rlim_core = RLIM_INFINITY; + cygheap->rlim_core = 0; } if (!cygheap->fdtab) cygheap->fdtab.init (); diff --git a/winsup/cygwin/release/3.5.0 b/winsup/cygwin/release/3.5.0 index 1e62316a0..5940d8054 100644 --- a/winsup/cygwin/release/3.5.0 +++ b/winsup/cygwin/release/3.5.0 @@ -64,3 +64,6 @@ What changed: - When RLIMIT_CORE is more than 1MB, a core dump file which can be loaded by gdb is now written on a fatal error. Otherwise, if it's greater than zero, a text format .stackdump file is written, as previously. + +- The default RLIMIT_CORE is now 0, disabling the generation of core dump or + stackdump files. diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml index f8e38f5c4..17c688f89 100644 --- a/winsup/doc/new-features.xml +++ b/winsup/doc/new-features.xml @@ -103,6 +103,12 @@ is now written on a fatal error. Otherwise, if it's greater than zero, a text format .stackdump file is written, as previously. + +The default RLIMIT_CORE is now 0, disabling the generation of core dump or +stackdump files. Use e.g. ulimit -c unlimited or ulimit -c +1024 to enable them again. + + -- cgit v1.2.3