binfmt ffffffff89d6d3a0 flags cd core_state ffffc9000abdfbf8 ioctx_table 0000000000000000 owner ffff88805f368100 exe_file ffff8880a28fd540 ------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:469! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 25292 Comm: syz-executor.0 Not tainted 5.8.0-next-20200814-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 e0 bd d2 89 74 2a e8 a5 59 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 92 59 bb ff 48 89 ef e8 1a be e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 7b 59 bb ff 31 c9 ba 01 00 00 00 RSP: 0000:ffffc9000abbfcc0 EFLAGS: 00010286 RAX: 0000000000000367 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88805f368100 RSI: ffffffff815da8f7 RDI: fffff52001577f37 RBP: ffff88809e336f00 R08: 0000000000000367 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 000000000009fb38 R12: ffff8880a97ceb00 R13: ffff88809e336f5c R14: 0000000020000000 R15: ffffc9000abbfdf8 FS: 00000000028b1940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 000000005f17c000 CR4: 00000000001506e0 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:707 create_huge_pmd mm/memory.c:4108 [inline] __handle_mm_fault mm/memory.c:4335 [inline] handle_mm_fault+0x36dd/0x45e0 mm/memory.c:4462 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: 0033:0x4006ec Code: 01 e9 c9 00 00 00 48 8b 44 24 10 48 0b 44 24 28 be 08 00 00 00 48 8b 14 24 75 17 48 8b 7c 24 20 e8 d9 5e 00 00 48 8b 4c 24 08 <48> 89 01 e9 9d 00 00 00 48 8b 44 24 08 48 8b 38 e8 bf 5e 00 00 8a RSP: 002b:00007ffde2abf5c0 EFLAGS: 00010206 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000020000180 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000 RBP: 0000000001190090 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffde2abf6e0 R11: 0000000000000246 R12: 0000000001190098 R13: 000000000014a66b R14: fffffffffffffffe R15: 000000000118cf4c Modules linked in: ---[ end trace ce2a390548827254 ]--- RIP: 0010:__khugepaged_enter+0x306/0x3d0 mm/khugepaged.c:469 Code: e4 49 81 fe e0 bd d2 89 74 2a e8 a5 59 bb ff 44 89 e0 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 92 59 bb ff 48 89 ef e8 1a be e9 ff <0f> 0b 41 bc f4 ff ff ff eb d6 e8 7b 59 bb ff 31 c9 ba 01 00 00 00 RSP: 0000:ffffc9000abbfcc0 EFLAGS: 00010286 RAX: 0000000000000367 RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88805f368100 RSI: ffffffff815da8f7 RDI: fffff52001577f37 RBP: ffff88809e336f00 R08: 0000000000000367 R09: ffff8880ae7318e7 R10: 0000000000000000 R11: 000000000009fb38 R12: ffff8880a97ceb00 R13: ffff88809e336f5c R14: 0000000020000000 R15: ffffc9000abbfdf8 FS: 00000000028b1940(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000180 CR3: 000000005f17c000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400