BUG: TASK stack guard page was hit at ffffc90010c7ffb8 (stack is ffffc90010c80000..ffffc90010c88000)
Oops: stack guard page: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 3622 Comm: syz.0.1043 Not tainted syzkaller #0 bfede744b46277b76d69ebe6cb8c22209d769bcb
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_stack_walk+0x54/0x170 arch/x86/kernel/stacktrace.c:18
Code: 45 d8 48 c7 45 d0 00 00 00 00 48 c7 45 c8 00 00 00 00 48 c7 45 c0 00 00 00 00 48 c7 45 b8 00 00 00 00 48 c7 45 b0 00 00 00 00 <48> c7 45 a8 00 00 00 00 48 c7 45 a0 00 00 00 00 48 c7 45 98 00 00
RSP: 0018:ffffc90010c7ffc8 EFLAGS: 00010292
RAX: ac2655e13dfe6100 RBX: ffffc90010c80080 RCX: 0000000000000000
RDX: ffff888115f31300 RSI: ffffc90010c80080 RDI: ffffffff8175b560
RBP: ffffc90010c80050 R08: ffffc90010c801bf R09: 0000000000000000
R10: ffffc90010c80140 R11: fffff52002190038 R12: ffff888115f31300
R13: 1ffff11022be6320 R14: ffffffff8175b560 R15: 0000000000000000
FS:  00007f9d92ed86c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90010c7ffb8 CR3: 000000013463e000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_stack_walk+0x54/0x170 arch/x86/kernel/stacktrace.c:18
Code: 45 d8 48 c7 45 d0 00 00 00 00 48 c7 45 c8 00 00 00 00 48 c7 45 c0 00 00 00 00 48 c7 45 b8 00 00 00 00 48 c7 45 b0 00 00 00 00 <48> c7 45 a8 00 00 00 00 48 c7 45 a0 00 00 00 00 48 c7 45 98 00 00
RSP: 0018:ffffc90010c7ffc8 EFLAGS: 00010292
RAX: ac2655e13dfe6100 RBX: ffffc90010c80080 RCX: 0000000000000000
RDX: ffff888115f31300 RSI: ffffc90010c80080 RDI: ffffffff8175b560
RBP: ffffc90010c80050 R08: ffffc90010c801bf R09: 0000000000000000
R10: ffffc90010c80140 R11: fffff52002190038 R12: ffff888115f31300
R13: 1ffff11022be6320 R14: ffffffff8175b560 R15: 0000000000000000
FS:  00007f9d92ed86c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90010c7ffb8 CR3: 000000013463e000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	45 d8 48 c7          	rex.RB fmuls -0x39(%r8)
   4:	45 d0 00             	rex.RB rolb $1,(%r8)
   7:	00 00                	add    %al,(%rax)
   9:	00 48 c7             	add    %cl,-0x39(%rax)
   c:	45 c8 00 00 00       	rex.RB enter $0x0,$0x0
  11:	00 48 c7             	add    %cl,-0x39(%rax)
  14:	45 c0 00 00          	rex.RB rolb $0x0,(%r8)
  18:	00 00                	add    %al,(%rax)
  1a:	48 c7 45 b8 00 00 00 	movq   $0x0,-0x48(%rbp)
  21:	00
  22:	48 c7 45 b0 00 00 00 	movq   $0x0,-0x50(%rbp)
  29:	00
* 2a:	48 c7 45 a8 00 00 00 	movq   $0x0,-0x58(%rbp) <-- trapping instruction
  31:	00
  32:	48 c7 45 a0 00 00 00 	movq   $0x0,-0x60(%rbp)
  39:	00
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	45 98                	rex.RB cwtl