The patch titled
x86_64: ratelimit segfault reporting rate
has been removed from the -mm tree. Its filename was
x86_64-ratelimit-segfault-reporting-rate.patch
This patch was dropped because it was nacked
------------------------------------------------------
Subject: x86_64: ratelimit segfault reporting rate
From: Andrea Righi <righiandr@xxxxxxxxxxxxxxxxxxxxx>
Limit the rate of the kernel logging for the segfaults of user
applications, to avoid potential message floods or denial-of-service
attacks.
Signed-off-by: Andrea Righi <a.righi@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/x86_64/mm/fault.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletion(-)
diff -puN arch/x86_64/mm/fault.c~x86_64-ratelimit-segfault-reporting-rate arch/x86_64/mm/fault.c
--- a/arch/x86_64/mm/fault.c~x86_64-ratelimit-segfault-reporting-rate
+++ a/arch/x86_64/mm/fault.c
@@ -495,7 +495,8 @@ bad_area_nosemaphore:
(address >> 32))
return;
- if (exception_trace && unhandled_signal(tsk, SIGSEGV)) {
+ if (exception_trace && unhandled_signal(tsk, SIGSEGV) &&
+ printk_ratelimit()) {
printk(
"%s%s[%d]: segfault at %016lx rip %016lx rsp %016lx error %lx\n",
tsk->pid > 1 ? KERN_INFO : KERN_EMERG,
_
Patches currently in -mm which might be from righiandr@xxxxxxxxxxxxxxxxxxxxx are
x86_64-ratelimit-segfault-reporting-rate.patch
-
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