At least some UML versions run into this and need vsyscall=native for now. Signed-off-by: Adrian Bunk --- arch/x86/kernel/vsyscall_64.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 18ae83d..4ab7e32 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -206,7 +206,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address) * vsyscalls harder, generate SIGSEGV here as well. */ warn_bad_vsyscall(KERN_INFO, regs, - "vsyscall fault (exploit attempt?)"); + "vsyscall fault (exploit attempt?) - if this is a legitimate program boot with vsyscall=native (read kernel-parameters.txt for the security implications)"); goto sigsegv; }