BUG: stack guard page was hit at ffffc90000967fd8 (stack is ffffc90000968000..ffffc9000096ffff)
kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 369 Comm: syz-executor424 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:ffffc90000967fe0 EFLAGS: 00010282
RAX: 82c3d48faf059300 RBX: 1ffff9200012d01a RCX: 0000000000000000
RDX: ffff8881075e8000 RSI: ffffc900009680c0 RDI: ffffffff815bee70
RBP: ffffc90000968070 R08: dffffc0000000000 R09: ffffc900009680c0
R10: fffff5200012d01b R11: 0000000000000000 R12: ffff8881075e8000
R13: ffffffff815bee70 R14: ffffc900009680c0 R15: 0000000000000000
FS: 00007f72ef503700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000967fd8 CR3: 000000011ce82000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
Modules linked in:
---[ end trace 45cbb33dea23b9fd ]---
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:ffffc90000967fe0 EFLAGS: 00010282
RAX: 82c3d48faf059300 RBX: 1ffff9200012d01a RCX: 0000000000000000
RDX: ffff8881075e8000 RSI: ffffc900009680c0 RDI: ffffffff815bee70
RBP: ffffc90000968070 R08: dffffc0000000000 R09: ffffc900009680c0
R10: fffff5200012d01b R11: 0000000000000000 R12: ffff8881075e8000
R13: ffffffff815bee70 R14: ffffc900009680c0 R15: 0000000000000000
FS: 00007f72ef503700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffc90000967fd8 CR3: 000000011ce82000 CR4: 00000000003506b0
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