kernel BUG in __page_table_check

Date	Name	Commit	Repro	Result
2024/09/21	linux-6.1.y (ToT)	e526b12bf916	C	[report] kernel BUG in __page_table_check_zero
2024/09/21	upstream (ToT)	88264981f208	C	Didn't crash

Date

Name

Commit

Repro

Result

2024/09/21

linux-6.1.y (ToT)

e526b12bf916

[report] kernel BUG in __page_table_check_zero

2024/09/21

upstream (ToT)

88264981f208

Didn't crash

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	kernel BUG in __page_table_check_zero (2) mm	C	error		32	21d	31d	0/28	upstream: reported C repro on 2024/10/31 04:54
upstream	kernel BUG in __page_table_check_zero usb	C	error	done	213	72d	560d	28/28	fixed on 2024/10/22 13:24

upstream

kernel BUG in __page_table_check_zero (2) mm

error

21d

31d

0/28

upstream: reported C repro on 2024/10/31 04:54

upstream

kernel BUG in __page_table_check_zero usb

error

done

213

72d

560d

28/28

fixed on 2024/10/22 13:24


Created	Duration	User	Repo	Result
2024/10/05 16:19	2h24m	fix candidate	upstream	OK (0) job log
2024/08/14 23:27	1m	bisect fix	linux-6.1.y	error job log
2024/07/05 05:50	1h16m	bisect fix	linux-6.1.y	OK (0) job log log
2024/05/26 00:28	58m	bisect fix	linux-6.1.y	OK (0) job log log
2024/04/21 06:44	1h24m	bisect fix	linux-6.1.y	OK (0) job log log
2024/03/19 02:58	1h08m	bisect fix	linux-6.1.y	OK (0) job log log
2024/01/07 19:24	1h00m	bisect fix	linux-6.1.y	OK (0) job log log
2023/12/08 15:21	1h02m	bisect fix	linux-6.1.y	OK (0) job log log
2023/11/07 18:36	1h16m	bisect fix	linux-6.1.y	OK (0) job log log
2023/10/05 23:10	1h22m	bisect fix	linux-6.1.y	OK (0) job log log
2023/08/07 10:29	4h57m (2)	bisect fix	linux-6.1.y	OK (0) job log log

el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 ------------[ cut here ]------------ kernel BUG at mm/page_table_check.c:146! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4225 Comm: syz-executor173 Not tainted 6.1.77-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __page_table_check_zero+0x280/0x2bc mm/page_table_check.c:146 lr : __page_table_check_zero+0x280/0x2bc mm/page_table_check.c:146 sp : ffff80001dd175f0 x29: ffff80001dd175f0 x28: ffff800015b0e000 x27: 0000000000000000 x26: dfff800000000000 x25: 0000000000000000 x24: ffff0000c199210c x23: 1ffff00002b61c58 x22: dfff800000000000 x21: 0000000000000001 x20: ffff0000c1992100 x19: 0000000000000001 x18: ffff80001dd16c20 x17: 0000000000000000 x16: ffff800008302f58 x15: 0000000000000000 x14: 1ffff00002b080b0 x13: dfff800000000000 x12: 0000000000000001 x11: 0000000000ff0100 x10: 0000000000000000 x9 : ffff800008a0aa7c x8 : ffff0000d5420000 x7 : ffff800008a0a538 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff800008a0a9a0 x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000001 Call trace: __page_table_check_zero+0x280/0x2bc mm/page_table_check.c:146 page_table_check_free include/linux/page_table_check.h:46 [inline] free_pages_prepare mm/page_alloc.c:1441 [inline] free_pcp_prepare mm/page_alloc.c:1490 [inline] free_unref_page_prepare+0xe8c/0x1070 mm/page_alloc.c:3358 free_unref_page+0x80/0x420 mm/page_alloc.c:3453 free_the_page mm/page_alloc.c:750 [inline] __free_pages+0x1a0/0x1cc mm/page_alloc.c:5634 free_pages+0xa0/0xb8 mm/page_alloc.c:5645 hcd_buffer_free_pages+0xf0/0x15c drivers/usb/core/buffer.c:210 dec_usb_memory_use_count+0x250/0x330 drivers/usb/core/devio.c:198 usbdev_vm_close+0x44/0x54 drivers/usb/core/devio.c:222 mmap_region+0x1110/0x1a98 mm/mmap.c:2889 do_mmap+0xa00/0x1108 mm/mmap.c:1425 vm_mmap_pgoff+0x1a4/0x2b4 mm/util.c:520 ksys_mmap_pgoff+0x3c8/0x5b0 mm/mmap.c:1471 __do_sys_mmap arch/arm64/kernel/sys.c:28 [inline] __se_sys_mmap arch/arm64/kernel/sys.c:21 [inline] __arm64_sys_mmap+0xf8/0x110 arch/arm64/kernel/sys.c:21 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: d4210000 97ebb883 d4210000 97ebb881 (d4210000) ---[ end trace 0000000000000000 ]---

Crashes (3):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/02/16 18:36	linux-6.1.y	f1bb70486c9c	578f7538	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-arm64	kernel BUG in __page_table_check_zero
2023/06/18 21:37	linux-6.1.y	ca87e77a2ef8	f3921d4d	.config	console log	report	syz	C		[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan	kernel BUG in __page_table_check_zero
2024/02/16 15:50	linux-6.1.y	f1bb70486c9c	578f7538	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-linux-6-1-kasan-arm64	kernel BUG in __page_table_check_zero

Crashes (3):

Assets (help?)