BUG: stack guard page was hit at ffffc90000c0ffd8 (stack is ffffc90000c10000..ffffc90000c17fff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 378 Comm: syz-executor156 Not tainted 5.10.102-syzkaller-00171-ge1b86e7f5cbb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_stack_walk+0x6a/0x140 arch/x86/kernel/stacktrace.c:18
Code: 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 00 00 48 c7 45 90 00 00 00 00 <48> c7 45 88 00 00 00 00 48 c7 45 80 00 00 00 00 48 c7 85 78 ff ff
RSP: 0018:ffffc90000c0ffe0 EFLAGS: 00010282
RAX: 11b8775d7cc49700 RBX: 1ffff9200018201a RCX: 0000000000000000
RDX: ffff8881067d93c0 RSI: ffffc90000c100c0 RDI: ffffffff815bee70
RBP: ffffc90000c10070 R08: dffffc0000000000 R09: ffffc90000c100c0
R10: fffff5200018201b R11: 0000000000000000 R12: ffff8881067d93c0
R13: ffffffff815bee70 R14: ffffc90000c100c0 R15: 0000000000000000
FS:  00007f9ddbaed700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c0ffd8 CR3: 000000011d382000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 1d3e9d042063b74a ]---
RIP: 0010:arch_stack_walk+0x6a/0x140 arch/x86/kernel/stacktrace.c:18
Code: 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 00 00 48 c7 45 90 00 00 00 00 <48> c7 45 88 00 00 00 00 48 c7 45 80 00 00 00 00 48 c7 85 78 ff ff
RSP: 0018:ffffc90000c0ffe0 EFLAGS: 00010282
RAX: 11b8775d7cc49700 RBX: 1ffff9200018201a RCX: 0000000000000000
RDX: ffff8881067d93c0 RSI: ffffc90000c100c0 RDI: ffffffff815bee70
RBP: ffffc90000c10070 R08: dffffc0000000000 R09: ffffc90000c100c0
R10: fffff5200018201b R11: 0000000000000000 R12: ffff8881067d93c0
R13: ffffffff815bee70 R14: ffffc90000c100c0 R15: 0000000000000000
FS:  00007f9ddbaed700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000c0ffd8 CR3: 000000011d382000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	48 c7 45 b0 00 00 00 	movq   $0x0,-0x50(%rbp)
   9:	00
   a:	48 c7 45 a8 00 00 00 	movq   $0x0,-0x58(%rbp)
  11:	00
  12:	48 c7 45 a0 00 00 00 	movq   $0x0,-0x60(%rbp)
  19:	00
  1a:	48 c7 45 98 00 00 00 	movq   $0x0,-0x68(%rbp)
  21:	00
  22:	48 c7 45 90 00 00 00 	movq   $0x0,-0x70(%rbp)
  29:	00
* 2a:	48 c7 45 88 00 00 00 	movq   $0x0,-0x78(%rbp) <-- trapping instruction
  31:	00
  32:	48 c7 45 80 00 00 00 	movq   $0x0,-0x80(%rbp)
  39:	00
  3a:	48                   	rex.W
  3b:	c7                   	.byte 0xc7
  3c:	85 78 ff             	test   %edi,-0x1(%rax)
  3f:	ff                   	.byte 0xff