Message-ID: <87ege6vzev.fsf@yhuang-dev.intel.com>
Date:	Tue, 29 Dec 2015 09:03:52 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Donald Buczek <buczek@...gen.mpg.de>
CC:	0day robot <fengguang.wu@...el.com>
Subject: [lkp] [nfs] 1a486a5117: BUG: sleeping function called from invalid
 context at mm/slub.c:1287

FYI, we noticed the below changes on

https://github.com/0day-ci/linux Donald-Buczek/nfs-revalidate-inode-before-access-checks/20151229-034212
commit 1a486a5117431d2f95f72d14839e14cef3c55559 ("nfs: revalidate inode before access checks")


+------------------------------------------------------------------+----------+------------+
|                                                                  | v4.4-rc7 | 1a486a5117 |
+------------------------------------------------------------------+----------+------------+
| boot_successes                                                   | 118      | 0          |
| boot_failures                                                    | 3        | 9          |
| invoked_oom-killer:gfp_mask=0x                                   | 2        |            |
| Mem-Info                                                         | 2        |            |
| Kernel_panic-not_syncing:Out_of_memory_and_no_killable_processes | 2        |            |
| backtrace:vfs_write                                              | 2        |            |
| backtrace:SyS_write                                              | 2        |            |
| backtrace:populate_rootfs                                        | 2        |            |
| backtrace:kernel_init_freeable                                   | 2        |            |
| BUG:kernel_test_oversize                                         | 1        |            |
| BUG:sleeping_function_called_from_invalid_context_at_mm/slub.c   | 0        | 9          |
| BUG:scheduling_while_atomic                                      | 0        | 9          |
| WARNING:at_kernel/softirq.c:#__local_bh_disable_ip()             | 0        | 9          |
| WARNING:at_kernel/time/timer.c:#del_timer_sync()                 | 0        | 9          |
| Kernel_panic-not_syncing:Aiee,killing_interrupt_handler          | 0        | 7          |
| backtrace:do_sys_open                                            | 0        | 9          |
| backtrace:SyS_open                                               | 0        | 9          |
| backtrace:vfs_stat                                               | 0        | 9          |
| backtrace:SyS_newstat                                            | 0        | 9          |
| backtrace:vfs_lstat                                              | 0        | 9          |
| backtrace:SyS_newlstat                                           | 0        | 9          |
+------------------------------------------------------------------+----------+------------+



[    9.128702] systemd-journald[1418]: Vacuuming done, freed 0 bytes

LKP: HOSTNAME vm-lkp-wsx03-4G-6, MAC 52:54:00:12:34:56, kernel 4.4.0-rc7-00001-g1a486a5 1, serial console /dev/ttyS0
[   15.759910] BUG: sleeping function called from invalid context at mm/slub.c:1287
[   15.761348] in_atomic(): 1, irqs_disabled(): 0, pid: 2272, name: wrapper
[   15.762391] CPU: 0 PID: 2272 Comm: wrapper Not tainted 4.4.0-rc7-00001-g1a486a5 #1
[   15.764659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   15.767105]  0000000000000000 ffff88007f5bbb60 ffffffff814be85c ffffffff81ed1a5a
[   15.769660]  ffff88007f5bbb70 ffffffff8111b3c4 ffff88007f5bbb98 ffffffff8111b465
[   15.772230]  0000000002400040 ffff88013b001700 0000000002400040 ffff88007f5bbbe0
[   15.774759] Call Trace:
[   15.775813]  [<ffffffff814be85c>] dump_stack+0x4b/0x63
[   15.777195]  [<ffffffff8111b3c4>] ___might_sleep+0x133/0x135
[   15.778628]  [<ffffffff8111b465>] __might_sleep+0x9f/0xa6
[   15.780056]  [<ffffffff81204a71>] kmem_cache_alloc_trace+0x4b/0x1b3
[   15.781600]  [<ffffffff8131f184>] ? nfs_alloc_fattr+0x20/0x37
[   15.783062]  [<ffffffff8131f184>] nfs_alloc_fattr+0x20/0x37
[   15.784489]  [<ffffffff813204db>] __nfs_revalidate_inode+0x59/0x171
[   15.785981]  [<ffffffff813208fb>] nfs_revalidate_inode+0x47/0x4b
[   15.787497]  [<ffffffff8131c4d3>] nfs_permission+0x3d/0x155
[   15.788920]  [<ffffffff812252c8>] __inode_permission+0x3b/0x9b
[   15.790353]  [<ffffffff81225368>] inode_permission+0x40/0x42
[   15.791847]  [<ffffffff8122719e>] link_path_walk+0x48/0x46e
[   15.793237]  [<ffffffff8122591c>] ? path_init+0x11b/0x2e8
[   15.794605]  [<ffffffff81227b48>] path_openat+0x1db/0xcbb
[   15.796030]  [<ffffffff811eb71b>] ? page_add_file_rmap+0x47/0x4c
[   15.797533]  [<ffffffff811b7e92>] ? unlock_page+0x23/0x26
[   15.798898]  [<ffffffff811b82bf>] ? filemap_map_pages+0x17a/0x1f2
[   15.800398]  [<ffffffff81229615>] do_filp_open+0x4d/0xa3
[   15.801776]  [<ffffffff812048c5>] ? kmem_cache_alloc+0x49/0x1aa
[   15.803236]  [<ffffffff81228b20>] ? getname_flags+0x2d/0x160
[   15.804661]  [<ffffffff8121bb3c>] do_sys_open+0x14b/0x1da
[   15.806020]  [<ffffffff8121bb3c>] ? do_sys_open+0x14b/0x1da
[   15.807431]  [<ffffffff8121bbe9>] SyS_open+0x1e/0x20
[   15.808779]  [<ffffffff81a51032>] entry_SYSCALL_64_fastpath+0x12/0x71
[   15.810425] BUG: scheduling while atomic: wrapper/2272/0x00000002
[   15.812593] Modules linked in: acpi_cpufreq processor
[   15.814197] CPU: 0 PID: 2272 Comm: wrapper Not tainted 4.4.0-rc7-00001-g1a486a5 #1
[   15.816465] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   15.818869]  0000000000000000 ffff88007f5bb860 ffffffff814be85c ffff880133970c00
[   15.821456]  ffff88007f5bb878 ffffffff8111adb6 ffff88013fc15680 ffff88007f5bb8c8
[   15.824026]  ffffffff81a4d1c9 00ff88007f5bb8d0 ffffffff8114f6fc ffff880133970c00
[   15.826553] Call Trace:
[   15.827565]  [<ffffffff814be85c>] dump_stack+0x4b/0x63
[   15.828913]  [<ffffffff8111adb6>] __schedule_bug+0x5c/0x6b
[   15.830288]  [<ffffffff81a4d1c9>] __schedule+0x6e/0x8bf
[   15.831685]  [<ffffffff8114f6fc>] ? mod_timer+0x12f/0x17c
[   15.833095]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.834703]  [<ffffffff81a4da96>] schedule+0x7c/0x91
[   15.836037]  [<ffffffff819dc169>] rpc_wait_bit_killable+0x21/0xb3
[   15.839547]  [<ffffffff81a4de17>] __wait_on_bit+0x4e/0x80
[   15.840938]  [<ffffffff819d3267>] ? call_decode+0x334/0x334
[   15.842333]  [<ffffffff819d3267>] ? call_decode+0x334/0x334
[   15.843797]  [<ffffffff81a4deba>] out_of_line_wait_on_bit+0x71/0x7c
[   15.845305]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.846930]  [<ffffffff81130663>] ? autoremove_wake_function+0x34/0x34
[   15.848517]  [<ffffffff819dcda7>] __rpc_execute+0xfb/0x2d6
[   15.849894]  [<ffffffff819dd1f1>] rpc_execute+0x66/0xa0
[   15.851281]  [<ffffffff819d4478>] rpc_run_task+0x78/0x80
[   15.852689]  [<ffffffff813332a6>] nfs4_call_sync_sequence+0x55/0x76
[   15.854196]  [<ffffffff8133918b>] nfs4_call_sync+0x2d/0x2f
[   15.855653]  [<ffffffff8133b657>] _nfs4_proc_getattr+0xb3/0xc5
[   15.857185]  [<ffffffff8133b6a9>] nfs4_proc_getattr+0x40/0xab
[   15.858637]  [<ffffffff8133b6a9>] ? nfs4_proc_getattr+0x40/0xab
[   15.860126]  [<ffffffff81320525>] __nfs_revalidate_inode+0xa3/0x171
[   15.861632]  [<ffffffff813208fb>] nfs_revalidate_inode+0x47/0x4b
[   15.863122]  [<ffffffff8131c4d3>] nfs_permission+0x3d/0x155
[   15.864544]  [<ffffffff812252c8>] __inode_permission+0x3b/0x9b
[   15.865967]  [<ffffffff81225368>] inode_permission+0x40/0x42
[   15.867400]  [<ffffffff8122719e>] link_path_walk+0x48/0x46e
[   15.868836]  [<ffffffff8122591c>] ? path_init+0x11b/0x2e8
[   15.870218]  [<ffffffff81227b48>] path_openat+0x1db/0xcbb
[   15.871653]  [<ffffffff811eb71b>] ? page_add_file_rmap+0x47/0x4c
[   15.873119]  [<ffffffff811b7e92>] ? unlock_page+0x23/0x26
[   15.874504]  [<ffffffff811b82bf>] ? filemap_map_pages+0x17a/0x1f2
[   15.876004]  [<ffffffff81229615>] do_filp_open+0x4d/0xa3
[   15.877377]  [<ffffffff812048c5>] ? kmem_cache_alloc+0x49/0x1aa
[   15.878866]  [<ffffffff81228b20>] ? getname_flags+0x2d/0x160
[   15.880319]  [<ffffffff8121bb3c>] do_sys_open+0x14b/0x1da
[   15.881718]  [<ffffffff8121bb3c>] ? do_sys_open+0x14b/0x1da
[   15.883144]  [<ffffffff8121bbe9>] SyS_open+0x1e/0x20
[   15.884473]  [<ffffffff81a51032>] entry_SYSCALL_64_fastpath+0x12/0x71
[   15.886209] BUG: scheduling while atomic: wrapper/2272/0x00000000
[   15.887789] Modules linked in: acpi_cpufreq processor
[   15.889401] CPU: 1 PID: 2272 Comm: wrapper Tainted: G        W       4.4.0-rc7-00001-g1a486a5 #1
[   15.891845] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   15.894243]  0000000000000000 ffff88007f5bb938 ffffffff814be85c ffff880133970c00
[   15.896830]  ffff88007f5bb950 ffffffff8111adb6 ffff88013fd15680 ffff88007f5bb9a0
[   15.899415]  ffffffff81a4d1c9 00ff88013fd152c0 ffff88013fd152d8 ffff880133970c00
[   15.901965] Call Trace:
[   15.902958]  [<ffffffff814be85c>] dump_stack+0x4b/0x63
[   15.904309]  [<ffffffff8111adb6>] __schedule_bug+0x5c/0x6b
[   15.905718]  [<ffffffff81a4d1c9>] __schedule+0x6e/0x8bf
[   15.907124]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.908772]  [<ffffffff81a4da96>] schedule+0x7c/0x91
[   15.910088]  [<ffffffff819dc169>] rpc_wait_bit_killable+0x21/0xb3
[   15.911605]  [<ffffffff81a4de17>] __wait_on_bit+0x4e/0x80
[   15.912998]  [<ffffffff81a4deba>] out_of_line_wait_on_bit+0x71/0x7c
[   15.914508]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.916153]  [<ffffffff81130663>] ? autoremove_wake_function+0x34/0x34
[   15.917718]  [<ffffffff819dc146>] __rpc_wait_for_completion_task+0x2d/0x2f
[   15.919343]  [<ffffffff813337dd>] nfs4_wait_for_completion_rpc_task+0x10/0x12
[   15.920990]  [<ffffffff81333912>] nfs4_run_open_task+0x133/0x163
[   15.922466]  [<ffffffff8133b782>] _nfs4_open_and_get_state+0x6e/0x313
[   15.924023]  [<ffffffff8131e7ab>] ? nfs_fattr_init+0x26/0x46
[   15.925453]  [<ffffffff8133851f>] ? nfs4_opendata_alloc+0x2b4/0x2e2
[   15.927091]  [<ffffffff8133c673>] nfs4_do_open+0x177/0x3d4
[   15.928684]  [<ffffffff8133c955>] nfs4_atomic_open+0xe/0x20
[   15.930093]  [<ffffffff8131cb01>] nfs_atomic_open+0x14c/0x315
[   15.931572]  [<ffffffff81227e4f>] path_openat+0x4e2/0xcbb
[   15.932968]  [<ffffffff811b7e92>] ? unlock_page+0x23/0x26
[   15.934353]  [<ffffffff811b82bf>] ? filemap_map_pages+0x17a/0x1f2
[   15.935882]  [<ffffffff81229615>] do_filp_open+0x4d/0xa3
[   15.937263]  [<ffffffff812048c5>] ? kmem_cache_alloc+0x49/0x1aa
[   15.938746]  [<ffffffff81228b20>] ? getname_flags+0x2d/0x160
[   15.940210]  [<ffffffff8121bb3c>] do_sys_open+0x14b/0x1da
[   15.941612]  [<ffffffff8121bb3c>] ? do_sys_open+0x14b/0x1da
[   15.943052]  [<ffffffff8121bbe9>] SyS_open+0x1e/0x20
[   15.944381]  [<ffffffff81a51032>] entry_SYSCALL_64_fastpath+0x12/0x71
[   15.961556] BUG: scheduling while atomic: wrapper/2296/0x00000002
[   15.963372] Modules linked in: acpi_cpufreq processor
[   15.964996] CPU: 0 PID: 2296 Comm: wrapper Tainted: G        W       4.4.0-rc7-00001-g1a486a5 #1
[   15.967395] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   15.969832]  0000000000000000 ffff88013387f860 ffffffff814be85c ffff88013a511800
[   15.972400]  ffff88013387f878 ffffffff8111adb6 ffff88013fc15680 ffff88013387f8c8
[   15.974968]  ffffffff81a4d1c9 00ff88013387f8d0 ffffffff8114f6fc ffff88013a511800
[   15.977520] Call Trace:
[   15.978486]  [<ffffffff814be85c>] dump_stack+0x4b/0x63
[   15.979858]  [<ffffffff8111adb6>] __schedule_bug+0x5c/0x6b
[   15.981251]  [<ffffffff81a4d1c9>] __schedule+0x6e/0x8bf
[   15.982609]  [<ffffffff8114f6fc>] ? mod_timer+0x12f/0x17c
[   15.984013]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.985627]  [<ffffffff81a4da96>] schedule+0x7c/0x91
[   15.986960]  [<ffffffff819dc169>] rpc_wait_bit_killable+0x21/0xb3
[   15.988446]  [<ffffffff81a4de17>] __wait_on_bit+0x4e/0x80
[   15.989817]  [<ffffffff819d3267>] ? call_decode+0x334/0x334
[   15.991250]  [<ffffffff819d3267>] ? call_decode+0x334/0x334
[   15.992659]  [<ffffffff81a4deba>] out_of_line_wait_on_bit+0x71/0x7c
[   15.994152]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   15.995811]  [<ffffffff81130663>] ? autoremove_wake_function+0x34/0x34
[   15.997344]  [<ffffffff819dcda7>] __rpc_execute+0xfb/0x2d6
[   15.998752]  [<ffffffff819dd1f1>] rpc_execute+0x66/0xa0
[   16.000351]  [<ffffffff819d4478>] rpc_run_task+0x78/0x80
[   16.001720]  [<ffffffff813332a6>] nfs4_call_sync_sequence+0x55/0x76
[   16.003235]  [<ffffffff8133918b>] nfs4_call_sync+0x2d/0x2f
[   16.004640]  [<ffffffff8133b657>] _nfs4_proc_getattr+0xb3/0xc5
[   16.006076]  [<ffffffff8133b6a9>] nfs4_proc_getattr+0x40/0xab
[   16.007544]  [<ffffffff8133b6a9>] ? nfs4_proc_getattr+0x40/0xab
[   16.008993]  [<ffffffff81320525>] __nfs_revalidate_inode+0xa3/0x171
[   16.010493]  [<ffffffff813208fb>] nfs_revalidate_inode+0x47/0x4b
[   16.011983]  [<ffffffff8131c4d3>] nfs_permission+0x3d/0x155
[   16.013393]  [<ffffffff812252c8>] __inode_permission+0x3b/0x9b
[   16.014843]  [<ffffffff81225368>] inode_permission+0x40/0x42
[   16.016296]  [<ffffffff8122719e>] link_path_walk+0x48/0x46e
[   16.017725]  [<ffffffff8122591c>] ? path_init+0x11b/0x2e8
[   16.019143]  [<ffffffff81227b48>] path_openat+0x1db/0xcbb
[   16.020539]  [<ffffffff811eb71b>] ? page_add_file_rmap+0x47/0x4c
[   16.022007]  [<ffffffff811b7e92>] ? unlock_page+0x23/0x26
[   16.023417]  [<ffffffff811b82bf>] ? filemap_map_pages+0x17a/0x1f2
[   16.024899]  [<ffffffff81229615>] do_filp_open+0x4d/0xa3
[   16.026258]  [<ffffffff812048c5>] ? kmem_cache_alloc+0x49/0x1aa
[   16.027764]  [<ffffffff81228b20>] ? getname_flags+0x2d/0x160
[   16.029178]  [<ffffffff8121bb3c>] do_sys_open+0x14b/0x1da
[   16.030562]  [<ffffffff8121bb3c>] ? do_sys_open+0x14b/0x1da
[   16.031992]  [<ffffffff8121bbe9>] SyS_open+0x1e/0x20
[   16.047321]  [<ffffffff81a51032>] entry_SYSCALL_64_fastpath+0x12/0x71
[   16.048898] BUG: scheduling while atomic: wrapper/2296/0x00000000
[   16.050357] Modules linked in: acpi_cpufreq processor
[   16.052001] CPU: 0 PID: 2296 Comm: wrapper Tainted: G        W       4.4.0-rc7-00001-g1a486a5 #1
[   16.054431] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Debian-1.8.2-1 04/01/2014
[   16.056992]  0000000000000000 ffff88013387f938 ffffffff814be85c ffff88013a511800
[   16.059580]  ffff88013387f950 ffffffff8111adb6 ffff88013fc15680 ffff88013387f9a0
[   16.062115]  ffffffff81a4d1c9 00ff88013fc152c0 ffff88013fc152d8 ffff88013a511800
[   16.064764] Call Trace:
[   16.065723]  [<ffffffff814be85c>] dump_stack+0x4b/0x63
[   16.067190]  [<ffffffff8111adb6>] __schedule_bug+0x5c/0x6b
[   16.068608]  [<ffffffff81a4d1c9>] __schedule+0x6e/0x8bf
[   16.069950]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   16.071657]  [<ffffffff81a4da96>] schedule+0x7c/0x91
[   16.072975]  [<ffffffff819dc169>] rpc_wait_bit_killable+0x21/0xb3
[   16.074447]  [<ffffffff81a4de17>] __wait_on_bit+0x4e/0x80
[   16.075889]  [<ffffffff81a4deba>] out_of_line_wait_on_bit+0x71/0x7c
[   16.077528]  [<ffffffff819dc148>] ? __rpc_wait_for_completion_task+0x2f/0x2f
[   16.079162]  [<ffffffff81130663>] ? autoremove_wake_function+0x34/0x34
[   16.080808]  [<ffffffff819dc146>] __rpc_wait_for_completion_task+0x2d/0x2f
[   16.082400]  [<ffffffff813337dd>] nfs4_wait_for_completion_rpc_task+0x10/0x12
[   16.084110]  [<ffffffff81333912>] nfs4_run_open_task+0x133/0x163
[   16.085588]  [<ffffffff8133b782>] _nfs4_open_and_get_state+0x6e/0x313
[   16.087143]  [<ffffffff8131e7ab>] ? nfs_fattr_init+0x26/0x46
[   16.088746]  [<ffffffff8133851f>] ? nfs4_opendata_alloc+0x2b4/0x2e2
[   16.090339]  [<ffffffff8133c673>] nfs4_do_open+0x177/0x3d4
[   16.092021]  [<ffffffff8133c955>] nfs4_atomic_open+0xe/0x20
[   16.093562]  [<ffffffff8131cb01>] nfs_atomic_open+0x14c/0x315
[   16.095011]  [<ffffffff81227e4f>] path_openat+0x4e2/0xcbb
[   16.096401]  [<ffffffff811b7e92>] ? unlock_page+0x23/0x26
[   16.097812]  [<ffffffff811b82bf>] ? filemap_map_pages+0x17a/0x1f2
[   16.099315]  [<ffffffff81229615>] do_filp_open+0x4d/0xa3
[   16.100755]  [<ffffffff812048c5>] ? kmem_cache_alloc+0x49/0x1aa
[   16.102204]  [<ffffffff81228b20>] ? getname_flags+0x2d/0x160
[   16.103722]  [<ffffffff8121bb3c>] do_sys_open+0x14b/0x1da
[   16.105102]  [<ffffffff8121bb3c>] ? do_sys_open+0x14b/0x1da





Thanks,
Kernel Test Robot

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