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| author | Andrea Righi <righiandr@users.sourceforge.net> | 2007-05-23 21:14:52 (GMT) |
|---|---|---|
| committer | Haavard Skinnemoen <hskinnemoen@atmel.com> | 2007-06-14 16:30:49 (GMT) |
| commit | 126187f1e00048abec4d4a2eb3eeae396fbaa944 (patch) | |
| tree | 29819132d3757ad9300e8596267614c900f78d16 | |
| parent | eedab661a51966c454e38c17266a531aa58b4a98 (diff) | |
| download | linux-126187f1e00048abec4d4a2eb3eeae396fbaa944.tar.xz | |
[AVR32] ratelimit segfault reporting rate
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@cineca.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
| -rw-r--r-- | arch/avr32/mm/fault.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/avr32/mm/fault.c b/arch/avr32/mm/fault.c index e011f1c..4b24952 100644 --- a/arch/avr32/mm/fault.c +++ b/arch/avr32/mm/fault.c @@ -158,7 +158,7 @@ bad_area: up_read(&mm->mmap_sem); if (user_mode(regs)) { - if (exception_trace) + if (exception_trace && printk_ratelimit()) printk("%s%s[%d]: segfault at %08lx pc %08lx " "sp %08lx ecr %lu\n", is_init(tsk) ? KERN_EMERG : KERN_INFO, |