owner 0000000000000000 exe_file ffff888033488000
notifier_subscriptions 0000000000000000
numa_next_scan 4294959279 numa_scan_offset 0 numa_scan_seq 0
tlb_flush_pending 1
def_flags: 0x0()
------------[ cut here ]------------
kernel BUG at mm/khugepaged.c:438!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 8650 Comm: syz.0.847 Tainted: G     U  W    L XTNJ syzkaller #0 PREEMPT(full) 
Tainted: [U]=USER, [W]=WARN, [L]=SOFTLOCKUP, [X]=AUX, [T]=RANDSTRUCT, [N]=TEST, [J]=FWCTL
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:__khugepaged_enter+0x30a/0x380 mm/khugepaged.c:438
Code: 64 7e 8e e8 a8 dc 66 ff e8 93 e6 8d ff 5b 5d 41 5c 41 5d 41 5e 41 5f e9 04 6c 04 09 e8 7f e6 8d ff 48 89 df e8 17 33 d9 ff 90 <0f> 0b 48 89 ef e8 dc 51 f8 ff e9 3b fd ff ff e8 f2 52 f8 ff e9 e1
RSP: 0018:ffffc9001869fba8 EFLAGS: 00010292
RAX: 000000000000031f RBX: ffff888031e54980 RCX: 0000000000000000
RDX: 000000000000031f RSI: ffffffff81e5b2c9 RDI: fffff520030d3f1c
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000008100177
R13: ffff888075a9ab50 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f808e7ee6c0(0000) GS:ffff8881245b1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb3971eb5a0 CR3: 00000000299d2000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 khugepaged_enter_vma mm/khugepaged.c:467 [inline]
 khugepaged_enter_vma+0x137/0x2c0 mm/khugepaged.c:461
 do_huge_pmd_anonymous_page+0x1c8/0x1c00 mm/huge_memory.c:1469
 create_huge_pmd mm/memory.c:6102 [inline]
 __handle_mm_fault+0x1e96/0x2b50 mm/memory.c:6376
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f809059bf81
Code: Unable to access opcode bytes at 0x7f809059bf57.
RSP: 002b:0000000000000006 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f8090815fa0 RCX: 00007f809059bf79
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0002000020003b4a
RBP: 00007f80906327e0 R08: 0000000000000103 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8090816038 R14: 00007f8090815fa0 R15: 00007ffeeb852498
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__khugepaged_enter+0x30a/0x380 mm/khugepaged.c:438
Code: 64 7e 8e e8 a8 dc 66 ff e8 93 e6 8d ff 5b 5d 41 5c 41 5d 41 5e 41 5f e9 04 6c 04 09 e8 7f e6 8d ff 48 89 df e8 17 33 d9 ff 90 <0f> 0b 48 89 ef e8 dc 51 f8 ff e9 3b fd ff ff e8 f2 52 f8 ff e9 e1
RSP: 0018:ffffc9001869fba8 EFLAGS: 00010292
RAX: 000000000000031f RBX: ffff888031e54980 RCX: 0000000000000000
RDX: 000000000000031f RSI: ffffffff81e5b2c9 RDI: fffff520030d3f1c
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000000 R11: 0000000000000001 R12: 0000000008100177
R13: ffff888075a9ab50 R14: 0000000000000000 R15: 0000000000000000
FS:  00007f808e7ee6c0(0000) GS:ffff8881245b1000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30c0eff8 CR3: 00000000299d2000 CR4: 00000000003526f0