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Message-ID: <20190511185942.k2y7keqnaypf4rfg@inn2.lkp.intel.com>
Date: Sun, 12 May 2019 02:59:43 +0800
From: kernel test robot <lkp@...el.com>
To: YueHaibing <yuehaibing@...wei.com>
Cc: "David S. Miller" <davem@...emloft.net>,
Hulk Robot <hulkci@...wei.com>,
LKML <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>, lkp@...org
Subject: [appletalk] 6377f787ae: INFO:trying_to_register_non-static_key
FYI, we noticed the following commit (built with gcc-7):
commit: 6377f787aeb945cae7abbb6474798de129e1f3ac ("appletalk: Fix use-after-free in atalk_proc_exit")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: trinity
with following parameters:
runtime: 300s
test-description: Trinity is a linux system call fuzz tester.
test-url: http://codemonkey.org.uk/projects/trinity/
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 2G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+-----------------------------------------------------+------------+------------+
| | e2bcd8b0ce | 6377f787ae |
+-----------------------------------------------------+------------+------------+
| boot_successes | 251 | 172 |
| boot_failures | 0 | 80 |
| INFO:trying_to_register_non-static_key | 0 | 14 |
| BUG:unable_to_handle_kernel | 0 | 77 |
| Oops:#[##] | 0 | 77 |
| RIP:__sock_release | 0 | 74 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 77 |
| WARNING:at_kernel/locking/lockdep.c:#lock_downgrade | 0 | 7 |
| RIP:lock_downgrade | 0 | 7 |
+-----------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
[ 258.830340] INFO: trying to register non-static key.
[ 258.831833] the code is fine but needs lockdep annotation.
[ 258.833361] turning off the locking correctness validator.
[ 258.834982] CPU: 1 PID: 1295 Comm: trinity-c4 Tainted: G T 5.0.0-rc8-00103-g6377f78 #1
[ 258.837622] Call Trace:
[ 258.838363] ? dump_stack+0x46/0x59
[ 258.839447] ? register_lock_class+0x22b/0x424
[ 258.840759] ? __lock_acquire+0x56/0x70c
[ 258.842067] ? lock_acquire+0x3d/0x50
[ 258.843119] ? _raw_write_lock_bh+0x2e/0x5f
[ 258.844406] ? __sock_release+0x2d/0x86
[ 258.845544] ? sock_close+0xc/0xf
[ 258.846521] ? __fput+0x10b/0x1a6
[ 258.847516] ? task_work_run+0x7d/0x9f
[ 258.848637] ? do_exit+0x408/0x9f5
[ 258.849686] ? do_group_exit+0xa4/0xa4
[ 258.850803] ? __x64_sys_exit_group+0xf/0xf
[ 258.852024] ? do_syscall_64+0x1ae/0x25e
[ 258.853243] ? async_page_fault+0x8/0x30
[ 258.854440] ? perf_swevent_put_recursion_context+0x10/0x2a
[ 258.856167] ? __perf_sw_event+0x47/0x5b
[ 258.857328] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 258.914951] [main] 65475 iterations. [F:43837 S:21614 HI:3023]
[ 258.914956]
[ 258.939181] BUG: unable to handle kernel paging request at ffffffffc030f0b0
[ 258.941309] #PF error: [normal kernel read fault]
[ 258.942761] PGD 42619067 P4D 42619067 PUD 4261b067 PMD 4e10e067 PTE 0
[ 258.944794] Oops: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC
[ 258.946411] CPU: 1 PID: 1249 Comm: trinity-c7 Tainted: G T 5.0.0-rc8-00103-g6377f78 #1
[ 258.949001] RIP: 0010:__sock_release+0x24/0x86
[ 258.950218] Code: ff 89 e8 5b 5d c3 55 53 48 89 fb 48 83 7f 28 00 74 3f 48 85 f6 48 89 f5 74 09 48 8d 7e 58 e8 8f a2 19 00 48 8b 43 28 48 89 df <48> 8b 40 10 e8 0b 8a 3e 00 48 85 ed 48 c7 43 20 00 00 00 00 74 09
[ 258.955449] RSP: 0018:ffffa5774082fdb8 EFLAGS: 00010246
[ 258.957106] RAX: ffffffffc030f0a0 RBX: ffff8eadfa36bb80 RCX: 0000000000000000
[ 258.959093] RDX: ffffffffb46181d5 RSI: ffffffffb46181d5 RDI: ffff8eadfa36bb80
[ 258.961122] RBP: ffff8eadfa36bbb0 R08: 0000000000000000 R09: 0000000000000000
[ 258.963145] R10: ffff8eadfa36bbb0 R11: ffffffffffffffff R12: ffff8eadfa36bbb0
[ 258.965162] R13: ffff8eadcf4fef28 R14: ffff8eaded3a2ed8 R15: ffff8eadfa36bbb0
[ 258.967275] FS: 00007fec54927b40(0000) GS:ffff8eae36400000(0000) knlGS:0000000000000000
[ 258.969657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 258.971343] CR2: ffffffffc030f0b0 CR3: 00000000280d3000 CR4: 00000000000006e0
[ 258.973384] Call Trace:
[ 258.974148] ? sock_close+0xc/0xf
[ 258.975181] ? __fput+0x10b/0x1a6
[ 258.976250] ? task_work_run+0x7d/0x9f
[ 258.977462] ? do_exit+0x408/0x9f5
[ 258.978463] ? do_group_exit+0xa4/0xa4
[ 258.979578] ? __x64_sys_exit_group+0xf/0xf
[ 258.980780] ? do_syscall_64+0x1ae/0x25e
[ 258.981926] ? async_page_fault+0x8/0x30
[ 258.983101] ? perf_swevent_put_recursion_context+0x10/0x2a
[ 258.984782] ? __perf_sw_event+0x47/0x5b
[ 258.986089] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 258.987634] Modules linked in: ieee802154_socket caif_socket caif hidp hid can_raw can af_packet dn_rtmsg cn decnet crct10dif_pclmul crct10dif_common ghash_clmulni_intel aesni_intel aes_x86_64 input_leds led_class serio_raw rtc_cmos qemu_fw_cfg button
[ 258.993831] CR2: ffffffffc030f0b0
[ 258.994762] ---[ end trace 033ec3faa0079cf9 ]---
To reproduce:
# build kernel
cd linux
cp config-5.0.0-rc8-00103-g6377f78 .config
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 prepare
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 modules_prepare
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 SHELL=/bin/bash
make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 bzImage
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email
Thanks,
lkp
View attachment "config-5.0.0-rc8-00103-g6377f78" of type "text/plain" (120539 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (15876 bytes)
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