kernel BUG in collapse_huge

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	kernel BUG in collapse_file mm				1	973d	968d	0/26	auto-closed as invalid on 2021/12/17 12:02
upstream	kernel BUG at mm/khugepaged.c:LINE! mm	C	done		30	1337d	1348d	15/26	fixed on 2020/09/16 22:51

------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:1167! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29 Comm: khugepaged Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:collapse_huge_page+0x1424/0x1430 mm/khugepaged.c:1167 Code: ff 84 db 75 0a e8 cc 45 c3 ff e9 8c f0 ff ff e8 c2 45 c3 ff e8 dc e8 56 ff e9 7d f0 ff ff e8 b3 45 c3 ff 0f 0b e8 ac 45 c3 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 RSP: 0018:ffffc900001ef8e0 EFLAGS: 00010293 RAX: ffffffff81a96b14 RBX: 0000000131ac2007 RCX: ffff8881067de2c0 RDX: 0000000000000000 RSI: 0000000131ac2007 RDI: 0000000000000000 RBP: ffffc900001efae8 R08: ffffffff81a967d6 R09: 0000000000000003 R10: fffff5200003df0d R11: 1ffff9200003df0c R12: 0000000000000000 R13: 1ffff1103ee6d9ed R14: ffffea000473b0a8 R15: ffffffff7fffffff FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201a7010 CR3: 0000000128533000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: khugepaged_scan_pmd+0xacb/0xc20 mm/khugepaged.c:1380 khugepaged_scan_mm_slot mm/khugepaged.c:2157 [inline] khugepaged_do_scan+0x6ef/0x1800 mm/khugepaged.c:2240 khugepaged+0x105/0x790 mm/khugepaged.c:2285 kthread+0x349/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:296 Modules linked in: ---[ end trace ba605d64e86ddb14 ]--- RIP: 0010:collapse_huge_page+0x1424/0x1430 mm/khugepaged.c:1167 Code: ff 84 db 75 0a e8 cc 45 c3 ff e9 8c f0 ff ff e8 c2 45 c3 ff e8 dc e8 56 ff e9 7d f0 ff ff e8 b3 45 c3 ff 0f 0b e8 ac 45 c3 ff <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 RSP: 0018:ffffc900001ef8e0 EFLAGS: 00010293 RAX: ffffffff81a96b14 RBX: 0000000131ac2007 RCX: ffff8881067de2c0 RDX: 0000000000000000 RSI: 0000000131ac2007 RDI: 0000000000000000 RBP: ffffc900001efae8 R08: ffffffff81a967d6 R09: 0000000000000003 R10: fffff5200003df0d R11: 1ffff9200003df0c R12: 0000000000000000 R13: 1ffff1103ee6d9ed R14: ffffea000473b0a8 R15: ffffffff7fffffff FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000201a7010 CR3: 0000000128533000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400