linux-kernel - [BUG][linux-next][ppc] kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: _

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Message-Id: <1539330331.17569.32.camel@abdul.in.ibm.com>
Date:   Fri, 12 Oct 2018 13:15:31 +0530
From:   Abdul Haleem <abdhalee@...ux.vnet.ibm.com>
To:     linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        linux-next <linux-next@...r.kernel.org>,
        mpe <mpe@...erman.id.au>,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        sachinp <sachinp@...ux.vnet.ibm.com>,
        manvanth <manvanth@...ux.vnet.ibm.com>,
        npiggin <npiggin@...il.com>
Subject: [BUG][linux-next][ppc] kernel panic - not syncing: stack-protector:
 Kernel stack is corrupted in: __schedule+0x978/0xa80

Greeting's

Today's linux-next fails to boot on powerpc bare-metal with this error

POWER8 performance monitor hardware support registered
rcu: Hierarchical SRCU implementation.
smp: Bringing up secondary CPUs ...
Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __schedule+0x978/0xa80
CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.19.0-rc7-next-20181010-autotest-autotest #1
Call Trace:
[c000001fed5b3bf0] [c000000000a0ef3c] dump_stack+0xb0/0xf4 (unreliable)
[c000001fed5b3c30] [c0000000000f9d68] panic+0x140/0x308
[c000001fed5b3cc0] [c0000000000f9844] __stack_chk_fail+0x24/0x30
[c000001fed5b3d20] [c000000000a2c3a8] __schedule+0x978/0xa80
[c000001fed5b3e00] [c000000000a2c9b4] schedule_idle+0x34/0x60
[c000001fed5b3e30] [c00000000013d344] do_idle+0x224/0x3d0
[c000001fed5b3ec0] [c00000000013d6e0] cpu_startup_entry+0x30/0x50
[c000001fed5b3ef0] [c000000000047f34] start_secondary+0x4d4/0x520
[c000001fed5b3f90] [c00000000000b370] start_secondary_prolog+0x10/0x14
Rebooting in 10 seconds..

Machine: Power 8 bare-metal
kernel version: 4.19.0-rc7-next-20181010
gcc version: 4.8.5 20150623
config attach

-- 
Regard's

Abdul Haleem
IBM Linux Technology Centre