4.19-stable review patch. If anyone has any objections, please let me know.
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From: Christophe Leroy christophe.leroy@c-s.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@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
--- 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 @@ -1545,8 +1545,8 @@ 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");