binfmt ffffffff89cdcb80 flags cd core_state ffffc9000a68fbd0 ioctx_table 0000000000000000 owner ffff88809bbcc080 exe_file ffff8880a7202840 ------------[ cut here ]------------ kernel BUG at mm/khugepaged.c:469! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 15705 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: 0000:ffffc9000a3cfcc0 EFLAGS: 00010286 RAX: 000000000000034d RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88809bbcc080 RSI: ffffffff815dafc7 RDI: fffff52001479f37 RBP: ffff88809dea48c0 R08: 000000000000034d R09: ffff8880ae6318e7 R10: 0000000000000000 R11: 00000000000a0938 R12: ffff8880937f8840 R13: ffff88809dea491c R14: 0000000020000000 R15: ffffc9000a3cfdf8 FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:000000000aa16900 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000000a126a000 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: 0023:0x80486d2 Code: 24 28 0b 54 24 2c 09 c2 75 27 ff 74 24 14 ff 74 24 14 6a 00 6a 04 8b 44 24 40 8b 54 24 44 e8 75 5a 00 00 83 c4 10 8b 7c 24 1c <89> 07 e9 c8 01 00 00 8b 44 24 1c 31 d2 8b 00 ff 74 24 14 ff 74 24 RSP: 002b:00000000ff958540 EFLAGS: 00010282 RAX: 00000000ffffffff RBX: 0000000000000001 RCX: 00000000ffffffff RDX: 00000000ffffffff RSI: 0000000000000000 RDI: 0000000020000100 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 7622ff40472192a6 ]--- 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: 0000:ffffc9000a3cfcc0 EFLAGS: 00010286 RAX: 000000000000034d RBX: 0000000000000002 RCX: 0000000000000000 RDX: ffff88809bbcc080 RSI: ffffffff815dafc7 RDI: fffff52001479f37 RBP: ffff88809dea48c0 R08: 000000000000034d R09: ffff8880ae6318e7 R10: 0000000000000000 R11: 00000000000a0938 R12: ffff8880937f8840 R13: ffff88809dea491c R14: 0000000020000000 R15: ffffc9000a3cfdf8 FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:000000000aa16900 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 0000000020000100 CR3: 00000000a126a000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400