BUG: Bad page map

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
android-5-10	BUG: Bad page map (3)				3	41d	187d	0/2	premoderation: reported on 2024/07/12 00:18
android-5-10	BUG: Bad page map				1	679d	679d	0/2	auto-obsoleted due to no activity on 2023/06/05 15:46
linux-4.19	BUG: Bad page map (3)				1	911d	911d	0/1	auto-obsoleted due to no activity on 2022/11/15 21:40
upstream	BUG: Bad page map (5) mm io-uring	C			35	731d	989d	22/28	fixed on 2023/02/24 13:50
linux-4.19	BUG: Bad page map (2)				10	1097d	1278d	0/1	auto-closed as invalid on 2022/05/13 11:22
android-54	BUG: Bad page map (3)				10	222d	339d	0/2	auto-obsoleted due to no activity on 2024/09/04 10:38
upstream	BUG: Bad page map (2) mm	syz			127	2323d	2379d	0/28	closed as invalid on 2018/09/05 12:51
upstream	BUG: Bad page map (8) mm	C	done	done	9	48d	180d	0/28	upstream: reported C repro on 2024/07/18 22:51
android-5-10	BUG: Bad page map (2)				1	461d	461d	0/2	auto-obsoleted due to no activity on 2024/01/10 02:50
upstream	BUG: Bad page map mm				1	2382d	2382d	0/28	closed as invalid on 2018/07/08 13:28
upstream	BUG: Bad page map (3) kernel				4	2193d	2318d	0/28	auto-closed as invalid on 2019/07/13 00:02
linux-4.19	BUG: Bad page map				2	1594d	1653d	0/1	auto-closed as invalid on 2021/01/01 08:20
upstream	BUG: Bad page map (7) mm	C	done		19	471d	493d	25/28	fixed on 2023/12/21 03:45
android-54	BUG: Bad page map (2)				7	460d	578d	0/2	auto-obsoleted due to no activity on 2024/01/10 18:32
upstream	BUG: Bad page map (4) mm				39	1139d	1775d	0/28	auto-closed as invalid on 2022/04/02 04:25
linux-4.14	BUG: Bad page map				1	1640d	1640d	0/1	auto-closed as invalid on 2020/11/16 16:05
upstream	BUG: Bad page map (6) mm				1	645d	641d	0/28	auto-obsoleted due to no activity on 2023/07/09 13:20
android-54	BUG: Bad page map				1	874d	874d	0/2	auto-obsoleted due to no activity on 2022/12/23 04:05

__swap_info_get: Bad swap file entry 4003ffffff7fffff BUG: Bad page map in process syz.4.194 pte:8000000100000000 pmd:1159e2067 addr:00007f3eef201000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffff888109136e40 index:134 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 858 Comm: syz.4.194 Not tainted 5.15.150-syzkaller-00330-g9044d25b8ff5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106 dump_stack+0x15/0x17 lib/dump_stack.c:113 print_bad_pte+0x575/0x590 mm/memory.c:619 zap_pte_range mm/memory.c:1489 [inline] zap_pmd_range mm/memory.c:1559 [inline] zap_pud_range mm/memory.c:1588 [inline] zap_p4d_range mm/memory.c:1609 [inline] unmap_page_range+0x15f0/0x1ed0 mm/memory.c:1630 unmap_single_vma mm/memory.c:1675 [inline] unmap_vmas+0x389/0x560 mm/memory.c:1707 exit_mmap+0x3e4/0x940 mm/mmap.c:3215 __mmput+0x95/0x310 kernel/fork.c:1179 mmput+0x5b/0x170 kernel/fork.c:1202 exit_mm kernel/exit.c:552 [inline] do_exit+0xb9c/0x2ca0 kernel/exit.c:865 do_group_exit+0x141/0x310 kernel/exit.c:1000 __do_sys_exit_group kernel/exit.c:1011 [inline] __se_sys_exit_group kernel/exit.c:1009 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1009 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f3eefa45bd9 Code: Unable to access opcode bytes at RIP 0x7f3eefa45baf. RSP: 002b:00007ffc853382d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffc853383d0 RCX: 00007f3eefa45bd9 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: 000000098533840f R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 </TASK> BUG: Bad rss-counter state mm:ffff888125e10a80 type:MM_FILEPAGES val:1 BUG: Bad rss-counter state mm:ffff888125e10a80 type:MM_SWAPENTS val:-1

Crashes (1):
Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2024/07/05 11:02	android13-5.15-lts	9044d25b8ff5	2a40360c	.config	console log	report			info	[disk image] [vmlinux] [kernel image]	ci2-android-5-15	BUG: Bad page map

Crashes (1):

Assets (help?)