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powerpc/traps: Fix the message printed when stack overflows

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commit 9bf3d3c4e4 upstream.

Today's message is useless:

  [   42.253267] Kernel stack overflow in process (ptrval), r1=c65500b0

This patch fixes it:

  [   66.905235] Kernel stack overflow in process sh[356], r1=c65560b0

Fixes: ad67b74d24 ("printk: hash addresses printed with %p")
Cc: stable@vger.kernel.org # v4.15+
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
[mpe: Use task_pid_nr()]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe Leroy 2019-01-29 16:37:55 +00:00 committed by Greg Kroah-Hartman
parent 461a52a448
commit d6d004b3dd
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/traps.c
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@ -1545,8 +1545,8 @@ void alignment_exception(struct pt_regs *regs)
void StackOverflow(struct pt_regs *regs)
{
printk(KERN_CRIT "Kernel stack overflow in process %p, r1=%lx\n",
current, regs->gpr[1]);
pr_crit("Kernel stack overflow in process %s[%d], r1=%lx\n",
current->comm, task_pid_nr(current), regs->gpr[1]);
debugger(regs);
show_regs(regs);
panic("kernel stack overflow");