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SubjectRe: [BUG] linux-next: Tree for April 9 warning on CC_STACKPROTECTOR, followed by kernel panic
Kamalesh Babulal pisze:
> Hi Stephen,
>
> The next-20080409 kernel warns while booting up on a x86_64 machine.
> When compiled the kernel with CONFIG_CC_STACKPROTECTOR=y, the warning
> is followed by the kernel panic.
>
> Testing -fstack-protector-all feature
> No -fstack-protector-stack-frame!
> -fstack-protector-all test failed
> ------------[ cut here ]------------
> WARNING: at kernel/panic.c:365 __stack_chk_test+0x4b/0x50()
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.25-rc8-next-20080409-autotest #1
>
> Call Trace:
> [<ffffffff80231f5e>] warn_on_slowpath+0x51/0x63
> [<ffffffff80232d93>] printk+0x4e/0x56
> [<ffffffff80382fcd>] extract_entropy+0x47/0x90
> [<ffffffff80230000>] dup_mm+0xca/0x3fd
> [<ffffffff80231eba>] __stack_chk_test_func+0x21/0x32
> [<ffffffff80231fbb>] __stack_chk_test+0x4b/0x50
> [<ffffffff808ba8f1>] kernel_init+0x189/0x2f9
> [<ffffffff804ee221>] _spin_unlock_irq+0x9/0xc
> [<ffffffff8020cb88>] child_rip+0xa/0x12
> [<ffffffff808ba768>] kernel_init+0x0/0x2f9
> [<ffffffff8020cb7e>] child_rip+0x0/0x12
>
> ---[ end trace d88d2f3a71e3b32c ]---

Hi,

what version of GCC are you using?

-Jacek


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