binfmt ffffffff89544cc0 flags cd core_state ffffc90003627c58 ioctx_table 0000000000000000 owner ffff888096110140 exe_file ffff88809fa0d540 ------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:469! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 14217 Comm: syz-executor.0 Not tainted 5.8.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__khugepaged_enter+0x316/0x320 mm/khugepaged.c:469 Code: 03 38 c1 0f 8c 7e fd ff ff 48 89 df e8 93 bc fc ff e9 71 fd ff ff e8 b9 16 bd ff eb 05 e8 b2 16 bd ff 4c 89 f7 e8 aa e2 eb ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 49 89 RSP: 0000:ffffc90003647c78 EFLAGS: 00010292 RAX: 0000000000000367 RBX: ffff8880a1182840 RCX: 3c2db40a183b2e00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff815e1cd9 R09: ffffed1015d062c0 R10: ffffed1015d062c0 R11: 0000000000000000 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880a1182300 R15: ffff88809641ee70 FS: 00000000032bd940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000100 CR3: 0000000097cbe000 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+0x358/0xd40 mm/huge_memory.c:727 create_huge_pmd mm/memory.c:4110 [inline] __handle_mm_fault mm/memory.c:4331 [inline] handle_mm_fault+0x1c54/0x2880 mm/memory.c:4397 do_user_addr_fault+0x52b/0xba0 arch/x86/mm/fault.c:1294 handle_page_fault arch/x86/mm/fault.c:1364 [inline] exc_page_fault+0x124/0x1f0 arch/x86/mm/fault.c:1417 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:538 RIP: 0033:0x400604 Code: 06 e9 49 01 00 00 48 8b 44 24 10 48 0b 44 24 28 75 1f 48 8b 14 24 48 8b 7c 24 20 be 04 00 00 00 e8 a1 5d 00 00 48 8b 74 24 08 <89> 06 e9 1e 01 00 00 48 8b 44 24 08 48 8b 14 24 be 04 00 00 00 8b RSP: 002b:00007ffe645b99a0 EFLAGS: 00010202 RAX: ffffffffffffffff RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000020000100 RDI: ffffffffffffffff RBP: 0000000001190090 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffe645b9ac0 R11: 0000000000000246 R12: 0000000001190098 R13: 0000000000106b2a R14: fffffffffffffffe R15: 000000000118bf2c Modules linked in: ---[ end trace 2a2f71d306460d33 ]--- RIP: 0010:__khugepaged_enter+0x316/0x320 mm/khugepaged.c:469 Code: 03 38 c1 0f 8c 7e fd ff ff 48 89 df e8 93 bc fc ff e9 71 fd ff ff e8 b9 16 bd ff eb 05 e8 b2 16 bd ff 4c 89 f7 e8 aa e2 eb ff <0f> 0b 0f 1f 84 00 00 00 00 00 55 41 57 41 56 41 55 41 54 53 49 89 RSP: 0000:ffffc90003647c78 EFLAGS: 00010292 RAX: 0000000000000367 RBX: ffff8880a1182840 RCX: 3c2db40a183b2e00 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffff815e1cd9 R09: ffffed1015d062c0 R10: ffffed1015d062c0 R11: 0000000000000000 R12: dffffc0000000000 R13: dffffc0000000000 R14: ffff8880a1182300 R15: ffff88809641ee70 FS: 00000000032bd940(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f365f4ef008 CR3: 0000000097cbe000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400