BUG: Bad page map

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
android-5-10	BUG: Bad page map			1	407d	407d	0/2	auto-obsoleted due to no activity on 2023/06/05 15:46
linux-4.19	BUG: Bad page map (3)			1	639d	639d	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	459d	717d	22/26	fixed on 2023/02/24 13:50
linux-4.19	BUG: Bad page map (2)			10	825d	1006d	0/1	auto-closed as invalid on 2022/05/13 11:22
upstream	BUG: Bad page map (2) mm	syz		127	2051d	2107d	0/26	closed as invalid on 2018/09/05 12:51
android-5-10	BUG: Bad page map (2)			1	189d	189d	0/2	auto-obsoleted due to no activity on 2024/01/10 02:50
upstream	BUG: Bad page map mm			1	2110d	2110d	0/26	closed as invalid on 2018/07/08 13:28
upstream	BUG: Bad page map (3) kernel			4	1921d	2046d	0/26	auto-closed as invalid on 2019/07/13 00:02
linux-4.19	BUG: Bad page map			2	1322d	1381d	0/1	auto-closed as invalid on 2021/01/01 08:20
upstream	BUG: Bad page map (7) mm	C	done	19	199d	221d	25/26	fixed on 2023/12/21 03:45
android-54	BUG: Bad page map (2)			7	188d	306d	0/2	auto-obsoleted due to no activity on 2024/01/10 18:32
upstream	BUG: Bad page map (4) mm			39	867d	1503d	0/26	auto-closed as invalid on 2022/04/02 04:25
linux-4.14	BUG: Bad page map			1	1368d	1368d	0/1	auto-closed as invalid on 2020/11/16 16:05
upstream	BUG: Bad page map (6) mm			1	373d	369d	0/26	auto-obsoleted due to no activity on 2023/07/09 13:20

BUG: Bad page map in process syz-executor.3 pte:ffff8881c4d1f1c0 pmd:1e5467067 addr:00007f216a239000 vm_flags:100400fb anon_vma:0000000000000000 mapping:ffff8881f58462c8 index:1a3 file:kcov fault:0x0 mmap:kcov_mmap readpage:0x0 CPU: 1 PID: 12065 Comm: syz-executor.3 Not tainted 5.4.197-syzkaller-00012-g27e532874a0e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x18e/0x1d5 lib/dump_stack.c:118 print_bad_pte+0x519/0x540 mm/memory.c:559 vm_normal_page+0x135/0x1d0 mm/memory.c:648 zap_pte_range+0x2d3/0x1c10 mm/memory.c:1077 zap_pmd_range mm/memory.c:1221 [inline] zap_pud_range mm/memory.c:1250 [inline] zap_p4d_range mm/memory.c:1271 [inline] unmap_page_range+0x35e/0x450 mm/memory.c:1292 unmap_single_vma mm/memory.c:1337 [inline] unmap_vmas+0x306/0x440 mm/memory.c:1369 exit_mmap+0x286/0x4f0 mm/mmap.c:3166 __mmput+0x34/0x240 kernel/fork.c:1090 exit_mm kernel/exit.c:489 [inline] do_exit+0xb40/0x2b40 kernel/exit.c:799 do_group_exit+0x136/0x300 kernel/exit.c:910 get_signal+0xd99/0x13f0 kernel/signal.c:2735 do_signal+0x3b/0x540 arch/x86/kernel/signal.c:809 exit_to_usermode_loop+0xdd/0x1d0 arch/x86/entry/common.c:159 prepare_exit_to_usermode+0x17c/0x1d0 arch/x86/entry/common.c:194 retint_user+0x8/0x8 RIP: 0033:0x7f216ad1f281 Code: Bad RIP value. RSP: 002b:00002a452cb9d000 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f216ae32050 RCX: 00007f216ad1f279 RDX: 0000000000000000 RSI: 00002a452cb9d000 RDI: 0000000050000000 RBP: 00007f216ad79189 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007ffd24d8040f R14: 00007f2169e74300 R15: 0000000000022000 BUG: Bad rss-counter state mm:ffff8881e3064000 type:MM_FILEPAGES val:1