BUG: TASK stack guard page was hit at ffffc9000005fff8 (stack is ffffc90000060000..ffffc90000068000) Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 1 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.11.0-syzkaller-05223-g9f39757957c1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:error_entry+0xd/0x140 arch/x86/entry/entry_64.S:1007 Code: fd ff ff 85 db 0f 85 8e fd ff ff 0f 01 f8 e9 86 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 56 48 8b 74 24 08 48 89 7c 24 08 52 51 <50> 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 f6 RSP: 0018:ffffc90000060000 EFLAGS: 00010046 RAX: 0000000000000002 RBX: ffffc90000060088 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b20128d RDI: ffffffff8bb12060 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000005fff8 CR3: 000000000db7c000 CR4: 0000000000350ef0 Call Trace: <#DF> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:error_entry+0xd/0x140 arch/x86/entry/entry_64.S:1007 Code: fd ff ff 85 db 0f 85 8e fd ff ff 0f 01 f8 e9 86 fd ff ff 66 2e 0f 1f 84 00 00 00 00 00 56 48 8b 74 24 08 48 89 7c 24 08 52 51 <50> 41 50 41 51 41 52 41 53 53 55 41 54 41 55 41 56 41 57 56 31 f6 RSP: 0018:ffffc90000060000 EFLAGS: 00010046 RAX: 0000000000000002 RBX: ffffc90000060088 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff8b20128d RDI: ffffffff8bb12060 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b8900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000005fff8 CR3: 000000000db7c000 CR4: 0000000000350ef0 ---------------- Code disassembly (best guess), 3 bytes skipped: 0: 85 db test %ebx,%ebx 2: 0f 85 8e fd ff ff jne 0xfffffd96 8: 0f 01 f8 swapgs b: e9 86 fd ff ff jmp 0xfffffd96 10: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 17: 00 00 00 1a: 56 push %rsi 1b: 48 8b 74 24 08 mov 0x8(%rsp),%rsi 20: 48 89 7c 24 08 mov %rdi,0x8(%rsp) 25: 52 push %rdx 26: 51 push %rcx * 27: 50 push %rax <-- trapping instruction 28: 41 50 push %r8 2a: 41 51 push %r9 2c: 41 52 push %r10 2e: 41 53 push %r11 30: 53 push %rbx 31: 55 push %rbp 32: 41 54 push %r12 34: 41 55 push %r13 36: 41 56 push %r14 38: 41 57 push %r15 3a: 56 push %rsi 3b: 31 f6 xor %esi,%esi