BUG: Bad page map

Kernel	Title	Repro	Cause bisect	Count	Last	Reported	Patched	Status
linux-4.19	BUG: Bad page map (3)			1	649d	649d	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	469d	727d	22/26	fixed on 2023/02/24 13:50
linux-4.19	BUG: Bad page map (2)			10	835d	1016d	0/1	auto-closed as invalid on 2022/05/13 11:22
upstream	BUG: Bad page map (2) mm	syz		127	2061d	2117d	0/26	closed as invalid on 2018/09/05 12:51
android-5-10	BUG: Bad page map (2)			1	199d	199d	0/2	auto-obsoleted due to no activity on 2024/01/10 02:50
upstream	BUG: Bad page map mm			1	2120d	2120d	0/26	closed as invalid on 2018/07/08 13:28
upstream	BUG: Bad page map (3) kernel			4	1931d	2056d	0/26	auto-closed as invalid on 2019/07/13 00:02
linux-4.19	BUG: Bad page map			2	1333d	1391d	0/1	auto-closed as invalid on 2021/01/01 08:20
upstream	BUG: Bad page map (7) mm	C	done	19	209d	231d	25/26	fixed on 2023/12/21 03:45
android-54	BUG: Bad page map (2)			7	198d	316d	0/2	auto-obsoleted due to no activity on 2024/01/10 18:32
upstream	BUG: Bad page map (4) mm			39	877d	1513d	0/26	auto-closed as invalid on 2022/04/02 04:25
linux-4.14	BUG: Bad page map			1	1378d	1378d	0/1	auto-closed as invalid on 2020/11/16 16:05
upstream	BUG: Bad page map (6) mm			1	383d	379d	0/26	auto-obsoleted due to no activity on 2023/07/09 13:20
android-54	BUG: Bad page map			1	612d	612d	0/2	auto-obsoleted due to no activity on 2022/12/23 04:05

swap_info_get: Bad swap file entry 3ffffff7fffff BUG: Bad page map in process syz-executor.4 pte:100000000 pmd:130c70067 addr:0000000020201000 vm_flags:00100077 anon_vma:ffff888111fd60a8 mapping:0000000000000000 index:20201 file:(null) fault:0x0 mmap:0x0 readpage:0x0 CPU: 0 PID: 29749 Comm: syz-executor.4 Not tainted 5.10.161-syzkaller-00019-g416c4356f372 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118 dump_stack+0x15/0x17 lib/dump_stack.c:135 print_bad_pte+0x57f/0x5a0 mm/memory.c:582 zap_pte_range mm/memory.c:1375 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0x17d7/0x2070 mm/memory.c:1516 unmap_single_vma mm/memory.c:1562 [inline] unmap_vmas+0x3d4/0x5b0 mm/memory.c:1594 exit_mmap+0x2f9/0x5c0 mm/mmap.c:3341 __mmput+0x95/0x2c0 kernel/fork.c:1133 mmput+0x4b/0x50 kernel/fork.c:1154 exit_mm+0x5cd/0x790 kernel/exit.c:489 do_exit+0x5f2/0x2340 kernel/exit.c:800 do_group_exit+0x13a/0x300 kernel/exit.c:910 get_signal+0xe17/0x1440 kernel/signal.c:2780 arch_do_signal+0x8e/0x650 arch/x86/kernel/signal.c:805 exit_to_user_mode_loop+0xa3/0xe0 kernel/entry/common.c:161 exit_to_user_mode_prepare kernel/entry/common.c:191 [inline] syscall_exit_to_user_mode+0x77/0xa0 kernel/entry/common.c:266 do_syscall_64+0x40/0x70 arch/x86/entry/common.c:56 entry_SYSCALL_64_after_hwframe+0x61/0xc6 RIP: 0033:0x7f65610d00f9 Code: Unable to access opcode bytes at RIP 0x7f65610d00cf. RSP: 002b:00007f655fe22218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f65611f0058 RCX: 00007f65610d00f9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f65611f0058 RBP: 00007f65611f0050 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f65611f005c R13: 00007ffeb33390ef R14: 00007f655fe22300 R15: 0000000000022000