From: David Miller <davem@davemloft.net>
To: matorola@gmail.com
Cc: mikpelinux@gmail.com, sparclinux@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: strace-4.18 test suite oopses sparc64 4.12 and 4.13-rc kernels
Date: Mon, 31 Jul 2017 14:51:51 -0700 (PDT) [thread overview]
Message-ID: <20170731.145151.571917275997786929.davem@davemloft.net> (raw)
In-Reply-To: <CADxRZqzkUqWsHgw8eNHF4E_wi5a6d=hJnmEtm5omsw42tHAw+Q@mail.gmail.com>
From: Anatoly Pugachev <matorola@gmail.com>
Date: Tue, 1 Aug 2017 00:48:07 +0300
> Aug 01 00:35:11 v215 kernel: sched_xetattr(1527): Oops [#1]
> Aug 01 00:35:11 v215 kernel: CPU: 1 PID: 1527 Comm: sched_xetattr Not
> tainted 4.12.0 #365
> Aug 01 00:35:11 v215 kernel: task: fff0001231d41340 task.stack: fff000123dfc4000
> Aug 01 00:35:11 v215 kernel: TSTATE: 0000004411001604 TPC:
> 0000000000a121fc TNPC: 0000000000a12210 Y: 00000000 Not tainted
> Aug 01 00:35:11 v215 kernel: TPC: <__bzero+0x20/0xc0>
> Aug 01 00:35:11 v215 kernel: g0: fff000123dfc7d20 g1: 0000000000000000
> g2: 0000003000000000 g3: 0000000000000000
> Aug 01 00:35:11 v215 kernel: g4: fff0001231d41340 g5: fff000123ed08000
> g6: fff000123dfc4000 g7: 0000000000000030
> Aug 01 00:35:11 v215 kernel: o0: 0000000000000030 o1: fff000123dfc7e70
> o2: 0000000000000000 o3: 0000000000000030
> Aug 01 00:35:11 v215 kernel: o4: fff000123dfc7e70 o5: 000000000000000a
> sp: fff000123dfc75c1 ret_pc: 000000000049b294
> Aug 01 00:35:11 v215 kernel: RPC: <SyS_sched_setattr+0x174/0x1a0>
Please run gdb on this kernel image and tell it:
(gdb) x/20i 0x49b294 - 16
Thanks.
I think perhaps one of Al Viro's changes in the bisected commit causes
a branch to either have an overflowed offset field, or get mispatched
to the wrong destination.
next prev parent reply other threads:[~2017-07-31 21:51 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-27 19:45 Mikael Pettersson
2017-07-28 5:10 ` David Miller
2017-07-28 8:45 ` Mikael Pettersson
2017-07-28 18:27 ` David Miller
2017-07-28 18:37 ` David Miller
2017-07-29 10:52 ` Anatoly Pugachev
2017-07-29 12:02 ` Mikael Pettersson
2017-07-31 17:14 ` Mikael Pettersson
2017-07-31 21:48 ` Anatoly Pugachev
2017-07-31 21:51 ` David Miller [this message]
2017-07-31 22:01 ` Anatoly Pugachev
2017-07-31 22:06 ` David Miller
2017-08-01 7:29 ` Mikael Pettersson
2017-08-01 20:58 ` Sam Ravnborg
2017-08-02 21:36 ` Sam Ravnborg
2017-08-02 23:27 ` David Miller
2017-08-03 20:02 ` Mikael Pettersson
2017-08-03 21:57 ` David Miller
2017-08-04 5:44 ` Sam Ravnborg
2017-08-04 8:02 ` Mikael Pettersson
2017-08-04 16:48 ` David Miller
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