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kernel BUG at mm/khugepaged.c:469!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 11269 Comm: syz-executor642 Not tainted 5.9.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__khugepaged_enter+0x306/0x3d0 mm/khugepaged.c:469
Code: e4 49 81 fe c0 b3 c9 89 74 2a e8 c5 75 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b2 75 bb ff 48 89 ef e8 ea d5 e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 9b 75 bb ff 31 c9 ba 01 00 00 00
RSP: 0018:ffffc9000f5afcc0 EFLAGS: 00010286
RAX: 0000000000000365 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff88821434a2c0 RSI: ffffffff815dafc7 RDI: fffff52001eb5f37
RBP: ffff888099911640 R08: 0000000000000365 R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 00000000000817c8 R12: ffff888090c2e790
R13: ffff88809991169c R14: 0000000020000000 R15: ffffc9000f5afdf8
FS:  00007ff16bf0c700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000047b090 CR3: 000000021b1fa000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 khugepaged_enter include/linux/khugepaged.h:62 [inline]
 do_huge_pmd_anonymous_page+0xaa1/0x2230 mm/huge_memory.c:706
 create_huge_pmd mm/memory.c:4106 [inline]
 __handle_mm_fault mm/memory.c:4327 [inline]
 handle_mm_fault+0x369d/0x4590 mm/memory.c:4454
 do_user_addr_fault+0x598/0xbf0 arch/x86/mm/fault.c:1294
 handle_page_fault arch/x86/mm/fault.c:1351 [inline]
 exc_page_fault+0xa8/0x160 arch/x86/mm/fault.c:1404
 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538
RIP: 0033:0x4045c1
Code: c0 e8 b3 5b 04 00 e9 4e ff ff ff 31 c9 31 d2 be ff ff ff ff bf 31 00 00 00 31 c0 e8 99 5b 04 00 e9 34 ff ff ff b8 1f 00 00 00 <c6> 04 25 82 01 00 20 ff c6 04 25 83 01 00 20 ff 66 89 04 25 80 01
RSP: 002b:00007ff16bf0bd90 EFLAGS: 00010246
RAX: 000000000000001f RBX: 00000000006dfc28 RCX: 000000000044a169
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00000000006dfc2c
RBP: 00000000006dfc20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006dfc2c
R13: 0000000000000004 R14: 0000000000000003 R15: 00007ff16bf0c6d0
Modules linked in:
---[ end trace b8823019970cd0b2 ]---
RIP: 0010:__khugepaged_enter+0x306/0x3d0 mm/khugepaged.c:469
Code: e4 49 81 fe c0 b3 c9 89 74 2a e8 c5 75 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 b2 75 bb ff 48 89 ef e8 ea d5 e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 9b 75 bb ff 31 c9 ba 01 00 00 00
RSP: 0018:ffffc9000f5afcc0 EFLAGS: 00010286
RAX: 0000000000000365 RBX: 0000000000000003 RCX: 0000000000000000
RDX: ffff88821434a2c0 RSI: ffffffff815dafc7 RDI: fffff52001eb5f37
RBP: ffff888099911640 R08: 0000000000000365 R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 00000000000817c8 R12: ffff888090c2e790
R13: ffff88809991169c R14: 0000000020000000 R15: ffffc9000f5afdf8
FS:  00007ff16bf0c700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff16bf0be78 CR3: 000000021b1fa000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400