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Date: Fri, 22 Mar 2019 12:16:28 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Christophe Leroy <christophe.leroy@....fr>, Michael Ellerman <mpe@...erman.id.au> Subject: [PATCH 5.0 169/238] powerpc/traps: Fix the message printed when stack overflows 5.0-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe Leroy <christophe.leroy@....fr> commit 9bf3d3c4e4fd82c7174f4856df372ab2a71005b9 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: ad67b74d2469 ("printk: hash addresses printed with %p") Cc: stable@...r.kernel.org # v4.15+ Signed-off-by: Christophe Leroy <christophe.leroy@....fr> [mpe: Use task_pid_nr()] Signed-off-by: Michael Ellerman <mpe@...erman.id.au> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org> --- arch/powerpc/kernel/traps.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/arch/powerpc/kernel/traps.c +++ b/arch/powerpc/kernel/traps.c @@ -1542,8 +1542,8 @@ bail: 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");
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