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SubjectRe: [PATCH 0/5 v2] [GIT PULL] x86/jump label: Paranoid checks and 2 or 5 byte nops

* Steven Rostedt <rostedt@goodmis.org> wrote:

>
> Ingo,
>
> This is the second round with the suggestions made by Peter
> and Andrew incorporated (and tested).

they are crashing my testbox:

Policy zone: DMA32
Kernel command line: root=/dev/sda6 earlyprintk=ttyS0,115200
console=ttyS0,115200 debug initcall_de
bug sysrq_always_enabled ignore_loglevel selinux=0
nmi_watchdog=1 panic=1 3
sysrq: sysrq always enabled.
PANIC: early exception 06 rip 10:ffffffff8101546d error 0 cr2
f06f53
Pid: 0, comm: swapper Not tainted
3.3.0-rc1-tip-02083-ga5066f8-dirty #170372
Call Trace:
[<ffffffff8101546d>] ? __jump_label_transform+0x81/0x14e
[<ffffffff81063ee4>] ? try_to_wake_up+0x1f8/0x2cc
[<ffffffff8184d19e>] early_idt_handler+0x5e/0x71
[<ffffffff8101546d>] ? __jump_label_transform+0x81/0x14e
[<ffffffff81015457>] ? __jump_label_transform+0x6b/0x14e
[<ffffffff810155f8>] arch_jump_label_transform_static+0x6f/0x77
[<ffffffff81865162>] jump_label_init+0x68/0x98
[<ffffffff8184d98b>] start_kernel+0x182/0x3b8
[<ffffffff8184d2c3>] x86_64_start_reservations+0xae/0xb2
[<ffffffff8184d40d>] x86_64_start_kernel+0x146/0x153
RIP __jump_label_transform+0x81/0x14e

Do you need the config or is the bug obvious at first sight?

Thanks,

Ingo


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