Greetings, 0day kernel testing robot got the below dmesg and the first bad commit is git://internal_merge_and_test_tree devel-spot-201706301235 commit 560a5aede4068580f7caaba00f997cb040b8b2e6 Merge: 4c14c2f444891 157d3da018940 Author: 0day robot <fengguang.wu(a)intel.com&gt; AuthorDate: Fri Jun 30 12:38:41 2017 +0800 Commit: 0day robot <fengguang.wu(a)intel.com&gt; CommitDate: Fri Jun 30 12:38:41 2017 +0800 Merge 'kees/kspp/usercopy-whitelist/20170619' into devel-spot-201706301235 4c14c2f444 Merge 'regulator/for-next' into devel-spot-201706301235 157d3da018 xfs: define usercopy region in xfs_inode slab cache 560a5aede4 Merge 'kees/kspp/usercopy-whitelist/20170619' into devel-spot-201706301235 c98fcf387b 0day head guard for 'devel-spot-201706301235' +------------------------------------------+------------+------------+------------+------------+ | | 4c14c2f444 | 157d3da018 | 560a5aede4 | c98fcf387b | +------------------------------------------+------------+------------+------------+------------+ | boot_successes | 35 | 35 | 4 | 14 | | boot_failures | 0 | 0 | 11 | 25 | | kernel_BUG_at_mm/usercopy.c | 0 | 0 | 11 | 25 | | invalid_opcode:#[##] | 0 | 0 | 11 | 25 | | EIP:__check_object_size | 0 | 0 | 11 | 25 | | Kernel_panic-not_syncing:Fatal_exception | 0 | 0 | 11 | 25 | +------------------------------------------+------------+------------+------------+------------+ [ 6.913189] Loading compiled-in X.509 certificates [ 6.914081] rtc_cmos 00:00: setting system clock to 2017-06-30 17:57:23 UTC (1498845443) [ 6.915661] sir_ir sir_ir.0: Trapped in interrupt [ 6.916062] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.916592] CPU: 0 PID: 1 Comm: swapper Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.917129] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.917850] Call Trace: [ 6.918030] dump_stack+0x16/0x1c [ 6.918266] __setup_irq+0x42b/0x590 [ 6.918529] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.918839] request_threaded_irq+0xec/0x150 [ 6.919142] univ8250_setup_irq+0x1cf/0x210 [ 6.919436] serial8250_do_startup+0x41a/0x600 [ 6.919774] serial8250_startup+0x15/0x20 [ 6.920058] uart_port_startup+0xab/0x170 [ 6.920343] uart_port_activate+0x78/0xa0 [ 6.920627] tty_port_open+0x6c/0xb0 [ 6.920903] uart_open+0x33/0x50 [ 6.921133] tty_open+0x2e6/0x3f0 [ 6.921370] chrdev_open+0x127/0x180 [ 6.921624] do_dentry_open+0x169/0x290 [ 6.921961] ? exact_lock+0x20/0x20 [ 6.922209] vfs_open+0x4e/0x60 [ 6.922435] path_openat+0xc8d/0x1000 [ 6.922696] ? ret_from_fork+0x19/0x24 [ 6.922989] ? find_held_lock+0x2d/0xa0 [ 6.923261] ? __lock_is_held+0x4a/0x90 [ 6.923533] do_filp_open+0x75/0xd0 [ 6.923803] ? _raw_spin_unlock+0x1d/0x30 [ 6.924087] ? __alloc_fd+0x192/0x1a0 [ 6.924347] ? regulator_late_cleanup+0x132/0x132 [ 6.924679] do_sys_open+0x149/0x1d0 [ 6.924951] SyS_open+0x1d/0x20 [ 6.925187] kernel_init_freeable+0x19a/0x1f9 [ 6.925495] ? rest_init+0x110/0x110 [ 6.925767] kernel_init+0xb/0x100 [ 6.926010] ? schedule_tail_wrapper+0x9/0xc [ 6.926310] ret_from_fork+0x19/0x24 [ 6.926882] Freeing unused kernel memory: 468K [ 6.927248] Write protecting the kernel text: 4240k [ 6.927682] Write protecting the kernel read-only data: 1552k [ 6.929442] sir_ir sir_ir.0: Trapped in interrupt [ 6.929835] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.930355] CPU: 0 PID: 1 Comm: init Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.930878] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.931576] Call Trace: [ 6.931778] dump_stack+0x16/0x1c [ 6.932015] __setup_irq+0x42b/0x590 [ 6.932271] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.932559] request_threaded_irq+0xec/0x150 [ 6.932886] univ8250_setup_irq+0x1cf/0x210 [ 6.933182] serial8250_do_startup+0x41a/0x600 [ 6.933495] serial8250_startup+0x15/0x20 [ 6.933807] uart_port_startup+0xab/0x170 [ 6.934091] uart_port_activate+0x78/0xa0 [ 6.934372] tty_port_open+0x6c/0xb0 [ 6.934626] uart_open+0x33/0x50 [ 6.934872] tty_open+0x2e6/0x3f0 [ 6.935108] chrdev_open+0x127/0x180 [ 6.935363] do_dentry_open+0x169/0x290 [ 6.935674] ? exact_lock+0x20/0x20 [ 6.935948] vfs_open+0x4e/0x60 [ 6.936172] path_openat+0xc8d/0x1000 [ 6.936432] ? find_held_lock+0x2d/0xa0 [ 6.936703] ? __lock_is_held+0x4a/0x90 [ 6.937002] do_filp_open+0x75/0xd0 [ 6.937252] ? _raw_spin_unlock+0x1d/0x30 [ 6.937535] ? __alloc_fd+0x192/0x1a0 [ 6.937819] do_sys_open+0x149/0x1d0 [ 6.938074] SyS_open+0x1d/0x20 [ 6.938298] do_int80_syscall_32+0x6d/0x120 [ 6.938600] entry_INT80_32+0x2f/0x2f [ 6.938884] EIP: 0x47f3655e [ 6.939089] EFLAGS: 00000246 CPU: 0 [ 6.939337] EAX: ffffffda EBX: 0804df90 ECX: 00000800 EDX: 00000000 [ 6.939800] ESI: 00000000 EDI: 7f8a3dc1 EBP: 7f8a2188 ESP: 7f8a1c88 [ 6.940237] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 6.941686] sir_ir sir_ir.0: Trapped in interrupt [ 6.942069] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.942591] CPU: 0 PID: 1 Comm: init Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.943117] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.943844] Call Trace: [ 6.944021] dump_stack+0x16/0x1c [ 6.944258] __setup_irq+0x42b/0x590 [ 6.944512] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.944827] request_threaded_irq+0xec/0x150 [ 6.945129] univ8250_setup_irq+0x1cf/0x210 [ 6.945424] serial8250_do_startup+0x41a/0x600 [ 6.945753] serial8250_startup+0x15/0x20 [ 6.946037] uart_port_startup+0xab/0x170 [ 6.946320] uart_port_activate+0x78/0xa0 [ 6.946603] tty_port_open+0x6c/0xb0 [ 6.946878] uart_open+0x33/0x50 [ 6.947107] tty_open+0x2e6/0x3f0 [ 6.947343] chrdev_open+0x127/0x180 [ 6.947597] do_dentry_open+0x169/0x290 [ 6.947932] ? exact_lock+0x20/0x20 [ 6.948180] vfs_open+0x4e/0x60 [ 6.948411] path_openat+0xc8d/0x1000 [ 6.948670] ? __lock_is_held+0x4a/0x90 [ 6.948964] do_filp_open+0x75/0xd0 [ 6.949214] ? _raw_spin_unlock+0x1d/0x30 [ 6.949496] ? __alloc_fd+0x192/0x1a0 [ 6.949779] do_sys_open+0x149/0x1d0 [ 6.950033] ? preempt_schedule_common+0x1a/0x30 [ 6.950358] SyS_open+0x1d/0x20 [ 6.950587] do_int80_syscall_32+0x6d/0x120 [ 6.950905] entry_INT80_32+0x2f/0x2f [ 6.951165] EIP: 0x47f3655e [ 6.951365] EFLAGS: 00000246 CPU: 0 [ 6.951611] EAX: ffffffda EBX: 0804df90 ECX: 00000902 EDX: 00000000 [ 6.952072] ESI: 7f8a1cdc EDI: 00000902 EBP: 00000102 ESP: 7f8a1c18 [ 6.952509] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 6.954034] sir_ir sir_ir.0: Trapped in interrupt [ 6.954390] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.954932] CPU: 0 PID: 1 Comm: init Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.955424] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.956148] Call Trace: [ 6.956327] dump_stack+0x16/0x1c [ 6.956564] __setup_irq+0x42b/0x590 [ 6.956840] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.957130] request_threaded_irq+0xec/0x150 [ 6.957432] univ8250_setup_irq+0x1cf/0x210 [ 6.957751] serial8250_do_startup+0x41a/0x600 [ 6.958067] serial8250_startup+0x15/0x20 [ 6.958354] uart_port_startup+0xab/0x170 [ 6.958637] uart_port_activate+0x78/0xa0 [ 6.958946] tty_port_open+0x6c/0xb0 [ 6.959199] uart_open+0x33/0x50 [ 6.959429] tty_open+0x2e6/0x3f0 [ 6.959665] chrdev_open+0x127/0x180 [ 6.959942] do_dentry_open+0x169/0x290 [ 6.960253] ? exact_lock+0x20/0x20 [ 6.960501] vfs_open+0x4e/0x60 [ 6.960725] path_openat+0xc8d/0x1000 [ 6.961006] ? __lock_is_held+0x4a/0x90 [ 6.961277] do_filp_open+0x75/0xd0 [ 6.961526] ? _raw_spin_unlock+0x1d/0x30 [ 6.961834] ? __alloc_fd+0x192/0x1a0 [ 6.962093] do_sys_open+0x149/0x1d0 [ 6.962348] ? up_read+0x16/0x30 [ 6.962578] SyS_open+0x1d/0x20 [ 6.962822] do_int80_syscall_32+0x6d/0x120 [ 6.963118] entry_INT80_32+0x2f/0x2f [ 6.963377] EIP: 0x47f3655e [ 6.963577] EFLAGS: 00000246 CPU: 0 [ 6.963848] EAX: ffffffda EBX: 0804df90 ECX: 00000901 EDX: 47e77ff4 [ 6.964286] ESI: 0804dfb9 EDI: 00000901 EBP: 00000901 ESP: 7f8a1a28 [ 6.964737] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 6.966119] sir_ir sir_ir.0: Trapped in interrupt [ 6.966475] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.967017] CPU: 0 PID: 1 Comm: init Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.967510] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.968238] Call Trace: [ 6.968423] dump_stack+0x16/0x1c [ 6.968661] __setup_irq+0x42b/0x590 [ 6.968946] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.969234] request_threaded_irq+0xec/0x150 [ 6.969537] univ8250_setup_irq+0x1cf/0x210 [ 6.969857] serial8250_do_startup+0x41a/0x600 [ 6.970168] serial8250_startup+0x15/0x20 [ 6.970453] uart_port_startup+0xab/0x170 [ 6.970760] uart_port_activate+0x78/0xa0 [ 6.971044] tty_port_open+0x6c/0xb0 [ 6.971299] uart_open+0x33/0x50 [ 6.971529] tty_open+0x2e6/0x3f0 [ 6.971804] chrdev_open+0x127/0x180 [ 6.972059] do_dentry_open+0x169/0x290 [ 6.972372] ? exact_lock+0x20/0x20 [ 6.972621] vfs_open+0x4e/0x60 [ 6.972868] path_openat+0xc8d/0x1000 [ 6.973129] ? __lock_is_held+0x4a/0x90 [ 6.973401] do_filp_open+0x75/0xd0 [ 6.973651] ? _raw_spin_unlock+0x1d/0x30 [ 6.973956] ? __alloc_fd+0x192/0x1a0 [ 6.974216] do_sys_open+0x149/0x1d0 [ 6.974472] ? preempt_schedule_common+0x1a/0x30 [ 6.974822] SyS_open+0x1d/0x20 [ 6.975047] do_int80_syscall_32+0x6d/0x120 [ 6.975343] entry_INT80_32+0x2f/0x2f [ 6.975603] EIP: 0x47f3655e [ 6.975833] EFLAGS: 00000246 CPU: 0 [ 6.976081] EAX: ffffffda EBX: 0804df90 ECX: 00000901 EDX: 47e77ff4 [ 6.976518] ESI: 7f8a1a90 EDI: 00000901 EBP: 00000901 ESP: 7f8a1a28 [ 6.976972] DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 007b [ 6.978322] sir_ir sir_ir.0: Trapped in interrupt [ 6.978685] genirq: Flags mismatch irq 4. 00000000 (ttyS0) vs. 00000000 (sir_ir) [ 6.979226] CPU: 0 PID: 1 Comm: init Not tainted 4.12.0-rc7-02453-g560a5ae #2 [ 6.979718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.9.3-20161025_171302-gandalf 04/01/2014 [ 6.980446] Call Trace: [ 6.980625] dump_stack+0x16/0x1c [ 6.980884] __setup_irq+0x42b/0x590 [ 6.981138] ? kmem_cache_alloc+0xfb/0x1c0 [ 6.981426] request_threaded_irq+0xec/0x150 [ 6.981754] univ8250_setup_irq+0x1cf/0x210 [ 6.982050] serial8250_do_startup+0x41a/0x600 [ 6.982363] serial8250_startup+0x15/0x20 [ 6.982646] uart_port_startup+0xab/0x170 [ 6.982949] uart_port_activate+0x78/0xa0 [ 6.983231] tty_port_open+0x6c/0xb0 [ 6.983484] uart_open+0x33/0x50 # HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD git bisect start c98fcf387b5593329c00d33c4206cac80a7539cb c0bc126f97fb929b3ae02c1c62322645d70eb408 -- git bisect good 70562391a9cb5e8f3bfaf9c00398c89dc3cc92ce # 16:40 G 11 0 0 0 Merge 'asoc/topic/rt5645' into devel-spot-201706301235 git bisect bad e36ae765c25006ae47ef58e0fe6da9356ee46d5d # 16:52 B 0 11 23 0 Merge 'pci/pci/irq-fixups' into devel-spot-201706301235 git bisect good 9999a332768f8e414a09ae91895addb5e9fc7e80 # 17:10 G 11 0 0 0 Merge 'linux-platform-drivers-x86/testing' into devel-spot-201706301235 git bisect bad 487dfde1281e12f1a1d2049fbd88967789f0684b # 17:20 B 0 11 24 0 Merge 'rockchip/v4.14-armsoc/dts32' into devel-spot-201706301235 git bisect good 4c14c2f444891de21a3605b97d1c06e86f6ab8c8 # 17:43 G 11 0 0 0 Merge 'regulator/for-next' into devel-spot-201706301235 git bisect bad 560a5aede4068580f7caaba00f997cb040b8b2e6 # 17:58 B 0 11 23 0 Merge 'kees/kspp/usercopy-whitelist/20170619' into devel-spot-201706301235 git bisect good 34630ac1e845ac7b5e8982300436029e2c347bf4 # 18:46 G 11 0 0 0 ext4: define usercopy region in ext4_inode_cache slab cache git bisect good dca68148843ad90cd9f2f8ae4175d893af575324 # 19:31 G 11 0 0 0 fork: define usercopy region in thread_stack, task_struct, mm_struct slab caches git bisect good 2fcb1017ce965e5475eaf3aa57e31f200e572c9d # 20:17 G 11 0 0 0 dcache: define usercopy region in dentry_cache slab cache git bisect good 157d3da018940be250dbc3ad395235716ea27274 # 21:02 G 11 0 0 0 xfs: define usercopy region in xfs_inode slab cache # first bad commit: [560a5aede4068580f7caaba00f997cb040b8b2e6] Merge 'kees/kspp/usercopy-whitelist/20170619' into devel-spot-201706301235 git bisect good 4c14c2f444891de21a3605b97d1c06e86f6ab8c8 # 21:04 G 31 0 0 0 Merge 'regulator/for-next' into devel-spot-201706301235 git bisect good 157d3da018940be250dbc3ad395235716ea27274 # 21:40 G 31 0 0 0 xfs: define usercopy region in xfs_inode slab cache # extra tests with CONFIG_DEBUG_INFO_REDUCED git bisect bad 560a5aede4068580f7caaba00f997cb040b8b2e6 # 21:50 B 0 11 23 0 Merge 'kees/kspp/usercopy-whitelist/20170619' into devel-spot-201706301235 # extra tests on HEAD of linux-devel/devel-spot-201706301235 git bisect bad c98fcf387b5593329c00d33c4206cac80a7539cb # 21:50 B 0 25 41 0 0day head guard for 'devel-spot-201706301235' # extra tests on tree/branch linux-devel/devel-spot-201706301235 git bisect bad c98fcf387b5593329c00d33c4206cac80a7539cb # 21:51 B 0 25 41 0 0day head guard for 'devel-spot-201706301235' --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/lkp Intel Corporation