The patch titled
uml: print coredump limits
has been added to the -mm tree. Its filename is
uml-print-coredump-limits.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: uml: print coredump limits
From: Jeff Dike <jdike@xxxxxxxxxxx>
Print out core dump limits at boot time. This is to allow core dumps
to be collected if something goes very wrong and to tell if a core
dump isn't going to happen because of a resource limit.
Signed-off-by: Jeff Dike <jdike@xxxxxxxxxxxxxxx>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/um/os-Linux/start_up.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+)
diff -puN arch/um/os-Linux/start_up.c~uml-print-coredump-limits arch/um/os-Linux/start_up.c
--- a/arch/um/os-Linux/start_up.c~uml-print-coredump-limits
+++ a/arch/um/os-Linux/start_up.c
@@ -17,6 +17,7 @@
#include <sys/time.h>
#include <sys/wait.h>
#include <sys/mman.h>
+#include <sys/resource.h>
#include <asm/unistd.h>
#include <asm/page.h>
#include <sys/types.h>
@@ -329,8 +330,32 @@ static void __init check_ptrace(void)
extern void check_tmpexec(void);
+static void check_coredump_limit(void)
+{
+ struct rlimit lim;
+ int err = getrlimit(RLIMIT_CORE, &lim);
+
+ if(err){
+ perror("Getting core dump limit");
+ return;
+ }
+
+ printf("Core dump limits :\n\tsoft - ");
+ if(lim.rlim_cur == RLIM_INFINITY)
+ printf("NONE\n");
+ else printf("%lu\n", lim.rlim_cur);
+
+ printf("\thard - ");
+ if(lim.rlim_max == RLIM_INFINITY)
+ printf("NONE\n");
+ else printf("%lu\n", lim.rlim_max);
+}
+
void os_early_checks(void)
{
+ /* Print out the core dump limits early */
+ check_coredump_limit();
+
check_ptrace();
/* Need to check this early because mmapping happens before the
_
Patches currently in -mm which might be from jdike@xxxxxxxxxxx are
origin.patch
linux-audith-needs-linux-typesh.patch
uml-fix-formatting-violations-in-signal-delivery-code.patch
uml-add-a-debugging-message.patch
uml-comment-the-initialization-of-a-global.patch
uml-hostfs-fix-double-free.patch
uml-hostfs-make-hostfs=-option-work-as-a-jail-as-intended.patch
uml-fix-a-memory-leak-in-the-multicast-driver.patch
uml-remove-dead-code-about-os_usr1_signal-and-os_usr1_process.patch
uml-mark-both-consoles-as-con_anytime.patch
uml-fix-confusion-irq-early-reenabling.patch
uml-activate_fd-return-enomem-only-when-appropriate.patch
uml-fix-errno-usage.patch
div64_64-common-code.patch
remove-hardcoding-of-hard_smp_processor_id-on-up.patch
uml-delete-unused-code.patch
uml-formatting-fixes.patch
uml-host_info-tidying.patch
uml-mark-tt-mode-code-for-future-removal.patch
uml-print-coredump-limits.patch
uml-handle-block-device-hotplug-errors.patch
uml-driver-formatting-fixes.patch
uml-driver-formatting-fixes-fix.patch
uml-fix-prototypes.patch
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