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kernel BUG at mm/khugepaged.c:469!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 14400 Comm: syz-executor.0 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:ffffc90004f67cc0 EFLAGS: 00010286
RAX: 000000000000036a RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888055044100 RSI: ffffffff815dafc7 RDI: fffff520009ecf37
RBP: ffff88804e2c3640 R08: 000000000000036a R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 000000000011bc98 R12: ffff888087167c60
R13: ffff88804e2c369c R14: 0000000020000000 R15: ffffc90004f67df8
FS:  00000000029cf940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005592aeda8a28 CR3: 000000009905d000 CR4: 00000000001526f0
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:4330 [inline]
 handle_mm_fault+0x369d/0x4590 mm/memory.c:4457
 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: 0033:0x444721
Code: 8d 15 63 99 0d 00 8b 0c 8a 8b 04 82 29 c8 c3 66 2e 0f 1f 84 00 00 00 00 00 48 83 fa 20 48 89 f8 73 77 f6 c2 01 74 0b 0f b6 0e <88> 0f 48 ff c6 48 ff c7 f6 c2 02 74 12 0f b7 0e 66 89 0f 48 83 c6
RSP: 002b:00007ffcc7f87f28 EFLAGS: 00010202
RAX: 0000000020000100 RBX: 0000000000000000 RCX: 0000000000000064
RDX: 000000000000000d RSI: 00000000011900b0 RDI: 0000000020000100
RBP: 0000000001190090 R08: ffffffff812aea85 R09: 000000005c0d5a74
R10: 00007ffcc7f88010 R11: 0000000000000246 R12: 0000000001190098
R13: 000000000005db17 R14: fffffffffffffffe R15: 000000000118cf4c
Modules linked in:
---[ end trace af0b0d7466187f44 ]---
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:ffffc90004f67cc0 EFLAGS: 00010286
RAX: 000000000000036a RBX: 0000000000000002 RCX: 0000000000000000
RDX: ffff888055044100 RSI: ffffffff815dafc7 RDI: fffff520009ecf37
RBP: ffff88804e2c3640 R08: 000000000000036a R09: ffff8880ae6318e7
R10: 0000000000000000 R11: 000000000011bc98 R12: ffff888087167c60
R13: ffff88804e2c369c R14: 0000000020000000 R15: ffffc90004f67df8
FS:  00000000029cf940(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005592aedccf08 CR3: 000000009905d000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400