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Message-ID: <20200716083021.GG3874@shao2-debian>
Date: Thu, 16 Jul 2020 16:30:21 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Axtens <dja@...ens.net>
Cc: Andrey Ryabinin <aryabinin@...tuozzo.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Linux Memory Management List <linux-mm@...ck.org>,
linux-kernel@...r.kernel.org, kasan-dev@...glegroups.com,
LKP <lkp@...ts.01.org>
Subject: 0609ae011d ("x86/kasan: support KASAN_VMALLOC"): [ 22.842515] BUG:
stack guard page was hit at (____ptrval____) (stack is
(____ptrval____)..(____ptrval____))
Greetings,
0day kernel testing robot got the below dmesg and the first bad commit is
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
commit 0609ae011deb41c9629b7f5fd626dfa1ac9d16b0
Author: Daniel Axtens <dja@...ens.net>
AuthorDate: Sat Nov 30 17:55:00 2019 -0800
Commit: Linus Torvalds <torvalds@...ux-foundation.org>
CommitDate: Sun Dec 1 12:59:06 2019 -0800
x86/kasan: support KASAN_VMALLOC
In the case where KASAN directly allocates memory to back vmalloc space,
don't map the early shadow page over it.
We prepopulate pgds/p4ds for the range that would otherwise be empty.
This is required to get it synced to hardware on boot, allowing the
lower levels of the page tables to be filled dynamically.
Link: http://lkml.kernel.org/r/20191031093909.9228-5-dja@axtens.net
Signed-off-by: Daniel Axtens <dja@...ens.net>
Acked-by: Dmitry Vyukov <dvyukov@...gle.com>
Reviewed-by: Andrey Ryabinin <aryabinin@...tuozzo.com>
Cc: Alexander Potapenko <glider@...gle.com>
Cc: Christophe Leroy <christophe.leroy@....fr>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Vasily Gorbik <gor@...ux.ibm.com>
Signed-off-by: Andrew Morton <akpm@...ux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@...ux-foundation.org>
eafb149ed7 fork: support VMAP_STACK with KASAN_VMALLOC
0609ae011d x86/kasan: support KASAN_VMALLOC
+--------------------------------------------------------------------------------------------------------+------------+------------+
| | eafb149ed7 | 0609ae011d |
+--------------------------------------------------------------------------------------------------------+------------+------------+
| boot_successes | 42 | 0 |
| boot_failures | 72 | 30 |
| PANIC:double_fault | 66 | 13 |
| RIP:do_async_page_fault | 6 | 2 |
| Kernel_panic-not_syncing:Machine_halted | 66 | 13 |
| WARNING:at_kernel/locking/mutex.c:#mutex_trylock | 66 | 13 |
| RIP:mutex_trylock | 66 | 13 |
| WARNING:at_kernel/locking/mutex.c:#mutex_unlock | 66 | 13 |
| RIP:mutex_unlock | 66 | 13 |
| RIP:error_entry | 60 | 28 |
| BUG:kernel_reboot-without-warning_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok | 5 | |
| BUG:kernel_hang_in_early-boot_stage,last_printk:Probing_EDD(edd=off_to_disable)...ok | 1 | |
| BUG:stack_guard_page_was_hit_at(____ptrval____)(stack_is(____ptrval____)..(____ptrval____)) | 0 | 17 |
| RIP:free_reserved_area | 0 | 1 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 17 |
| RIP:memset_erms | 0 | 1 |
+--------------------------------------------------------------------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <lkp@...el.com>
[ 22.738580] kmemleak: Kernel memory leak detector initialized (mem pool available: 13997)
[ 22.741160] kmemleak: Automatic memory scanning thread started
[ 22.828498] Freeing unused decrypted memory: 2040K
[ 22.839286] Freeing unused kernel image (initmem) memory: 1412K
[ 22.840468] Write protecting the kernel read-only data: 45056k
[ 22.842515] BUG: stack guard page was hit at (____ptrval____) (stack is (____ptrval____)..(____ptrval____))
[ 22.844311] kernel stack overflow (double-fault): 0000 [#1] KASAN PTI
[ 22.845514] CPU: 0 PID: 1 Comm: swapper Not tainted 5.4.0-09149-g0609ae011deb4 #1
[ 22.848662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
[ 22.850781] RIP: 0010:do_async_page_fault+0x0/0x40
[ 22.851668] Code: 05 f5 cf a0 02 85 c0 74 11 8b 05 ab cf a0 02 c7 05 a1 cf a0 02 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 <e8> cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 c7
[ 22.855042] RSP: 0000:ffffc90000018000 EFLAGS: 00010046
[ 22.856364] RAX: 0000000082c00ab0 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.857650] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018008
[ 22.858917] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.860063] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.861244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.862505] FS: 0000000000000000(0000) GS:ffffffff83c6f000(0000) knlGS:0000000000000000
[ 22.863928] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 22.864971] CR2: ffffc90000017ff8 CR3: 0000000003c36001 CR4: 00000000000606f0
[ 22.866465] Call Trace:
[ 22.867852] async_page_fault+0x2c/0x40
[ 22.868637] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.869426] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.872742] RSP: 0000:ffffc900000180b0 EFLAGS: 00010002
[ 22.873651] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.874930] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000180b8
[ 22.876228] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.877517] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.878832] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.880404] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.881405] async_page_fault+0x2c/0x40
[ 22.882137] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.882986] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.886666] RSP: 0000:ffffc90000018160 EFLAGS: 00010002
[ 22.887660] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.888960] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018168
[ 22.890255] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.891858] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.893549] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.895452] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.896716] async_page_fault+0x2c/0x40
[ 22.897448] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.898685] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.902622] RSP: 0000:ffffc90000018210 EFLAGS: 00010002
[ 22.903910] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.905511] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018218
[ 22.907311] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.909055] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.910453] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.912034] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.913034] async_page_fault+0x2c/0x40
[ 22.913961] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.915074] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.919044] RSP: 0000:ffffc900000182c0 EFLAGS: 00010002
[ 22.920394] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.921863] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000182c8
[ 22.923594] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.924996] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.926596] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.928007] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.929077] async_page_fault+0x2c/0x40
[ 22.929978] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.931235] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.934922] RSP: 0000:ffffc90000018370 EFLAGS: 00010002
[ 22.935946] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.937329] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018378
[ 22.938909] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.940069] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.941222] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.942631] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.944098] async_page_fault+0x2c/0x40
[ 22.944858] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.945708] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.950049] RSP: 0000:ffffc90000018420 EFLAGS: 00010002
[ 22.951335] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.952790] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018428
[ 22.954565] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.956136] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.957795] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.959533] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.960695] async_page_fault+0x2c/0x40
[ 22.961847] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.965206] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.969159] RSP: 0000:ffffc900000184d0 EFLAGS: 00010002
[ 22.970477] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.972162] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000184d8
[ 22.973592] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.975083] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.976719] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.978443] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.979694] async_page_fault+0x2c/0x40
[ 22.980808] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.982063] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 22.986407] RSP: 0000:ffffc90000018580 EFLAGS: 00010002
[ 22.987516] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 22.988771] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018588
[ 22.990183] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 22.992038] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 22.993940] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 22.995835] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 22.997002] async_page_fault+0x2c/0x40
[ 22.997993] RIP: 0010:do_async_page_fault+0x15/0x40
[ 22.999165] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.003117] RSP: 0000:ffffc90000018630 EFLAGS: 00010002
[ 23.004212] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.005569] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018638
[ 23.007575] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.008857] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.010439] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.012293] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.013672] async_page_fault+0x2c/0x40
[ 23.014726] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.015910] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.020420] RSP: 0000:ffffc900000186e0 EFLAGS: 00010002
[ 23.021668] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.023181] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000186e8
[ 23.024797] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.026184] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.027809] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.029340] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.030578] async_page_fault+0x2c/0x40
[ 23.031400] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.032537] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.036502] RSP: 0000:ffffc90000018790 EFLAGS: 00010002
[ 23.037403] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.038847] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018798
[ 23.040090] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.041462] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.045835] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.047135] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.048256] async_page_fault+0x2c/0x40
[ 23.049096] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.050025] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.053505] RSP: 0000:ffffc90000018840 EFLAGS: 00010002
[ 23.054424] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.055677] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018848
[ 23.057083] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.058433] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.059762] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.061467] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.062836] async_page_fault+0x2c/0x40
[ 23.063527] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.064457] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.068286] RSP: 0000:ffffc900000188f0 EFLAGS: 00010002
[ 23.069300] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.070446] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000188f8
[ 23.071636] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.072839] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.074006] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.075312] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.076288] async_page_fault+0x2c/0x40
[ 23.076939] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.077789] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.080999] RSP: 0000:ffffc900000189a0 EFLAGS: 00010002
[ 23.081903] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.083168] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc900000189a8
[ 23.084333] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.085654] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.086958] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.088157] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.089089] async_page_fault+0x2c/0x40
[ 23.089775] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.090571] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.093806] RSP: 0000:ffffc90000018a50 EFLAGS: 00010002
[ 23.094913] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.096109] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018a58
[ 23.097482] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.100820] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.102051] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.103241] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.104372] async_page_fault+0x2c/0x40
[ 23.105002] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.105904] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.109210] RSP: 0000:ffffc90000018b00 EFLAGS: 00010002
[ 23.110113] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.111577] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018b08
[ 23.112800] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.113965] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.115392] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.116591] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.117634] async_page_fault+0x2c/0x40
[ 23.118433] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.119439] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.122680] RSP: 0000:ffffc90000018bb0 EFLAGS: 00010002
[ 23.123751] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.124974] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018bb8
[ 23.126372] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.127524] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.128732] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.130228] ? restore_regs_and_return_to_kernel+0x2c/0x2c
[ 23.131140] async_page_fault+0x2c/0x40
[ 23.131948] RIP: 0010:do_async_page_fault+0x15/0x40
[ 23.132886] Code: 00 00 00 00 c3 31 c0 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 e8 cb 43 b4 01 8b 05 c5 cf a0 02 85 c0 74 21 8b 05 7b cf a0 02 <c7> 05 71 cf a0 02 00 00 00 00 83 f8 01 74 11 83 f8 02 75 07 89 d7
[ 23.136283] RSP: 0000:ffffc90000018c60 EFLAGS: 00010002
[ 23.137285] RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff82c00ab0
[ 23.138495] RDX: ffffffff83aca100 RSI: 0000000000000003 RDI: ffffc90000018c68
[ 23.139723] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
[ 23.140805] R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff83aca100
[ 23.142024] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 23.143135] ? restore_regs_and_return_to_kernel+0x2c/0x2c
# HH:MM RESULT GOOD BAD GOOD_BUT_DIRTY DIRTY_NOT_BAD
git bisect start v5.5 v5.4 --
git bisect bad ae4b064e2a616b545acf02b8f50cc513b32c7522 # 15:32 B 3 1 3 3 Merge tag 'afs-fixes-20191211' of git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs
git bisect good 0da522107e5d9c000a4871d52e570912aa1225a2 # 16:44 G 19 0 8 8 Merge tag 'compat-ioctl-5.5' of git://git.kernel.org:/pub/scm/linux/kernel/git/arnd/playground
git bisect bad aedc0650f9135f3b92b39cbed1a8fe98d8088825 # 17:13 B 1 3 1 1 Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
git bisect bad 937d6eefc716a9071f0e3bada19200de1bb9d048 # 19:31 B 3 1 3 3 Merge tag 'docs-5.5a' of git://git.lwn.net/linux
git bisect good 5e3b06d3bbdfb875ec6ad5e5fa5d86b0e79ea065 # 21:17 G 18 0 11 11 Merge tag 'rproc-v5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/andersson/remoteproc
git bisect good e5b3fc125d768eacd73bb4dc5019f0ce95635af4 # 22:26 G 18 0 14 14 Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
git bisect bad a5255bc31673c72e264d837cd13cd3085d72cb58 # 23:13 B 1 2 1 1 Merge tag 'dmaengine-5.5-rc1' of git://git.infradead.org/users/vkoul/slave-dma
git bisect good c3bfc5dd73c6f519ff0636d4e709515f06edef78 # 00:19 G 18 0 12 12 Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
git bisect bad 596cf45cbf6e4fa7bcb0df33e373a7d062b644b5 # 00:44 B 4 5 4 4 Merge branch 'akpm' (patches from Andrew)
git bisect good 746dd4012d215b53152f0001a48856e41ea31730 # 01:45 G 18 0 9 9 selftests: vm: add fragment CONFIG_TEST_VMALLOC
git bisect bad 997cdcb068eb58d37f9f9b1d219368000066d272 # 02:14 B 1 5 1 1 powerpc/mm: remove pmd_huge/pud_huge stubs and include hugetlb.h
git bisect bad d2af339706be318dadcbe14c8935426ff401d7b1 # 02:44 B 9 3 9 9 mm: vmscan: replace shrink_node() loop with a retry jump
git bisect good eafb149ed73a8bb8359c0ce027b98acd4e95b070 # 04:33 G 28 0 23 23 fork: support VMAP_STACK with KASAN_VMALLOC
git bisect bad 5e27a2df03b8933aa7c1579816ecb6a071bb0e0d # 05:37 B 2 1 2 2 mm/page_alloc: add alloc_contig_pages()
git bisect bad 0609ae011deb41c9629b7f5fd626dfa1ac9d16b0 # 06:33 B 3 2 3 3 x86/kasan: support KASAN_VMALLOC
# first bad commit: [0609ae011deb41c9629b7f5fd626dfa1ac9d16b0] x86/kasan: support KASAN_VMALLOC
git bisect good eafb149ed73a8bb8359c0ce027b98acd4e95b070 # 07:11 G 84 0 49 72 fork: support VMAP_STACK with KASAN_VMALLOC
# extra tests with debug options
# extra tests on head commit of linus/master
# 119: [994e99a96c9b502b3f6ee411457007cd52051cf5] Merge tag 'platform-drivers-x86-v5.8-2' of git://git.infradead.org/linux-platform-drivers-x86 into master
# extra tests on linus/master
# duplicated: [994e99a96c9b502b3f6ee411457007cd52051cf5] Merge tag 'platform-drivers-x86-v5.8-2' of git://git.infradead.org/linux-platform-drivers-x86 into master
# extra tests on linux-next/master
# 119: [ca0e494af5edb59002665bf12871e94b4163a257] Add linux-next specific files for 20200715
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/lkp@lists.01.org
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