On Sat, Sep 22, 2007 at 12:39:55PM +0800, lepton wrote:
> There is a bug in os_free_irq_by_cb, when the first element
> of active_fds list is free, the value of active_fds is not
> updated, just value in stack is updated.
Man, that sucks.
Nice spotting.
>
> The intresting thing is that without this patch, a poweroff
> in user mode linux guest will halt the host linux system.It
> seems that after the tracing thread is dead, the syscall to
> sys_reboot of the traced thread is executed by host. I don't
> know if it is another bug.
I would say that you shouldn't be running UMLs as root. However, a
sys_reboot shouldn't escape being ptraced either. This is a bug, but
I don't see any connection between it and ptrace missing a final
system call.
Jeff
--
Work email - jdike at linux dot intel dot com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
